Ilyushin Il-62M
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The Ilyushin Il-62 (russian: Илью́шин Ил-62; NATO reporting name: Classic) is a
Soviet The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen nation ...
long-range
narrow-body A narrow-body aircraft or single-aisle aircraft is an airliner arranged along a single aisle, permitting up to 6-abreast seating in a cabin less than in width. In contrast, a wide-body aircraft is a larger airliner usually configured with mu ...
jetliner A jet airliner or jetliner is an airliner powered by jet engines (passenger jet aircraft). Airliners usually have two or four jet engines; three-engined designs were popular in the 1970s but are less common today. Airliners are commonly clas ...
conceived in 1960 by Ilyushin. As successor to the popular turboprop Il-18 and with capacity for almost 200 passengers and crew, the Il-62 was the world's largest jet airliner when first flown in 1963. One of four pioneering long-range designs (the others being Boeing 707,
Douglas DC-8 The Douglas DC-8 (sometimes McDonnell Douglas DC-8) is a long-range narrow-body airliner built by the American Douglas Aircraft Company. After losing the May 1954 US Air Force tanker competition to the Boeing KC-135, Douglas announced in July ...
, and
Vickers VC10 The Vickers VC10 is a mid-sized, narrow-body long-range British jet airliner designed and built by Vickers-Armstrongs (Aircraft) Ltd and first flown at Brooklands, Surrey, in 1962. The airliner was designed to operate on long-distance route ...
), it was the first such type to be operated by the Soviet Union and a number of allied nations. The Il-62 entered Aeroflot civilian service on 15 September 1967 with an inaugural passenger flight from
Moscow Moscow ( , US chiefly ; rus, links=no, Москва, r=Moskva, p=mɐskˈva, a=Москва.ogg) is the capital and largest city of Russia. The city stands on the Moskva River in Central Russia, with a population estimated at 13.0 millio ...
to
Montreal Montreal ( ; officially Montréal, ) is the second-most populous city in Canada and most populous city in the Canadian province of Quebec. Founded in 1642 as '' Ville-Marie'', or "City of Mary", it is named after Mount Royal, the triple ...
, and remained the standard long-range airliner for the Soviet Union (and later, Russia) for several decades. It was the first Soviet pressurised aircraft with non-circular cross-section
fuselage The fuselage (; from the French ''fuselé'' "spindle-shaped") is an aircraft's main body section. It holds crew, passengers, or cargo. In single-engine aircraft, it will usually contain an engine as well, although in some amphibious aircraf ...
and ergonomic passenger doors, and the first Soviet jet with six-abreast seating (the turboprop Tu-114 shared this arrangement) and international-standard
position lights A navigation light, also known as a running or position light, is a source of illumination on a watercraft, aircraft or spacecraft, meant to give information on the craft's position, heading Heading can refer to: * Heading (metalworking), a ...
. Over 30 nations operated the Il-62 with over 80 examples exported and others having been leased by Soviet-sphere and several Western airlines. The Il-62M variant became the longest-serving model in its airliner class (average age of examples in service as of 2016 is over 32 years). Special VIP (salon) and other conversions were also developed and used as head-of-state transport by some 14 countries. However, because it is expensive to operate compared to newer generation airliners, the number in service was greatly reduced after the 2008
Great Recession The Great Recession was a period of marked general decline, i.e. a recession, observed in national economies globally that occurred from late 2007 into 2009. The scale and timing of the recession varied from country to country (see map). At ...
. The Il-62's successors include the wide-bodied
Il-86 The Ilyushin Il-86 (russian: Илью́шин Ил-86; NATO reporting name: Camber) is a short- to medium- range wide-body jet airliner that served as the USSR's first wide-bodied aircraft. Designed and tested by the Ilyushin design bureau in ...
and
Il-96 The Ilyushin Il-96 (russian: Илью́шин Ил-96) is a Russian quadjet long-haul wide-body airliner designed by Ilyushin in the former Soviet Union and manufactured by the Voronezh Aircraft Production Association in Russia. It is powered b ...
, both of which were made in much smaller numbers and neither of which was widely exported.


Development

The Ilyushin
OKB OKB is a transliteration of the Russian initials of "" – , meaning 'experiment and design bureau'. During the Soviet era, OKBs were closed institutions working on design and prototyping of advanced technology, usually for military applications. ...
presented a proposal for a four-engined long-range jet airliner in February 1960, receiving the go-ahead from the Soviet Council of Ministers on 18 June 1960, with the
Kuznetsov Design Bureau The Kuznetsov Design Bureau (russian: СНТК им. Н. Д. Кузнецова, also known as OKB-276) was a Russian design bureau for aircraft engines, administrated in Soviet times by Nikolai Dmitriyevich Kuznetsov. It was also known as (G)N ...
being instructed at the same time to develop the NK-8
turbofan The turbofan or fanjet is a type of airbreathing jet engine that is widely used in aircraft propulsion. The word "turbofan" is a portmanteau of "turbine" and "fan": the ''turbo'' portion refers to a gas turbine engine which achieves mechanic ...
to power the new airliner. The official specification required that the airliner, designated Il-62, must carry 165 economy-class passengers over a distance of 4,500 km (2,800 mi) or 100 first class passengers over 6,700 km (4,200 mi).Dawes 2004, p. 30. The Il-62 replaced the fast
turboprop A turboprop is a turbine engine that drives an aircraft propeller. A turboprop consists of an intake, reduction gearbox, compressor, combustor, turbine, and a propelling nozzle. Air enters the intake and is compressed by the compressor. ...
Tu-114 on long range routes. As the Tu-114 was just entering service when the Il-62 was on the drawing board, Ilyushin had time for an unhurried design, test, and development programme. This was useful, since the Il-62 did call for significant development. The Il-62 and the British
Vickers VC10 The Vickers VC10 is a mid-sized, narrow-body long-range British jet airliner designed and built by Vickers-Armstrongs (Aircraft) Ltd and first flown at Brooklands, Surrey, in 1962. The airliner was designed to operate on long-distance route ...
are the only commercial airliners with four engines fitted in twinned/paired nacelles by the sides of, and beneath, a "T" shaped
empennage The empennage ( or ), also known as the tail or tail assembly, is a structure at the rear of an aircraft that provides stability during flight, in a way similar to the feathers on an arrow.Crane, Dale: ''Dictionary of Aeronautical Terms, third e ...
(
T-tail A T-tail is an empennage configuration in which the tailplane is mounted to the top of the fin. The arrangement looks like the capital letter T, hence the name. The T-tail differs from the standard configuration in which the tailplane ...
). In the case of Ilyushin, the configuration was dictated by
TsAGI The Central Aerohydrodynamic Institute (also (Zhukovsky) Central Institute of Aerodynamics, russian: Центра́льный аэрогидродинами́ческий институ́т, ЦАГИ, Tsentral'nyy Aerogidrodinamicheskiy Institut, ...
, the Soviet Union's aerospace agency, since Ilyushin's design bureau lacked the resources to engage in configuration studies. This layout allowed the wing design to be optimised for aerodynamic efficiency, without being cluttered by having to carry engines. In addition, the rear-mounted engines reduced engine noise in the cabin and allowed smaller vertical tail surfaces (as the yawing moment in the event of an engine failure was reduced compared to wing mounted engines). These advantages are balanced by a number of drawbacks. The wing structure, lacking the weight of heavy engines to pull down against the wing bending moment, needed to be heavier, as did the rear fuselage structure, which had to carry the engines. In addition, aerodynamic wash (shadow) from the wing blankets the tail when the nose is pitched up (high angle of attack) leading the aircraft into a condition known as deep stall. This called for complex and (in the 1960s) unreliable automatic stall warning systems such as
stick shaker A stick shaker is a mechanical device designed to rapidly and noisily vibrate the control yoke (the "stick") of an aircraft, warning the flight crew that an imminent aerodynamic stall has been detected. It is typically present on the majority of ...
s and stick pushers to prevent the aircraft from stalling, although the Il-62's wing was designed to prevent deep stall.Gordon, Komissarov and Komissarov 2004, pp. 252, 254. Early aircraft (prototypes, pre-production and initial production aircraft) display an evolution from thin or thick kinked leading inboard edges to the ultimate thick and straight 1966 shape. The characteristic "
dog-tooth In architecture, a dog-tooth or dogtooth pattern is an ornament found in the mouldings of medieval work of the commencement of the 12th century, which is thought to have been introduced by the Crusaders. The earliest example is found in the hal ...
" also moved until fixed before production began. The engine installation also evolved, with the engines' longitudinal axes canted by 3 degrees from the horizontal, addition of thrust reversers to the outer engines, and slimming down of the entire installation as production began. The prototype was grossly underpowered as its intended NK-8 engines were not ready, and small
Lyulka AL-7 The Lyulka AL-7 was a turbojet designed by Arkhip Mikhailovich Lyulka and produced by his Lyulka design bureau. The engine was produced between 1954 and 1970.Gunston 1989, p.100. Design and development The AL-7 had supersonic airflow through th ...
turbojet engines had to be installed temporarily. The prototype with AL-7PB engines ( registered СССР-06156) first flew on 3 January 1963, but crashed after clipping a perimeter fence during a maximum weight testing flight of the development program. The production Il-62 was powered by the originally intended rear-mounted Kuznetsov NK-8-4 engines. The first Il-62 powered with NK-8 engines (registered СССР-06153) first flew in 1964. The Il-62M variant (first flight in 1971, introduced in 1973) has more powerful, more efficient, and quieter
Soloviev D-30 The Soloviev D-30 (now the Aviadvigatel PS-30) is a Soviet two-shaft low-bypass turbofan engine, officially referred to as a "bypass turbojet". It is probably the single most important turbofan engine developed in the Soviet Union. Development o ...
KU engines and a fin fuel tank. Beneath the skin, the Il-62M has simpler and lighter single-slotted flaps and incremental aerodynamic improvements. Most important of these was the addition of spoilerons (spoilers or wing-mounted lift-disruptors which can act in the same capacity as
ailerons An aileron (French for "little wing" or "fin") is a hinged flight control surface usually forming part of the trailing edge of each wing of a fixed-wing aircraft. Ailerons are used in pairs to control the aircraft in roll (or movement around ...
by differential deployment in cruising flight), or in concert to kill lift on landing, and the ability to use idle reverse thrust in flight during the final approach so as to shorten the landing run. All but one example in service today are Il-62M. In 1978, the Il-62MK was further developed to seat up to 198 passengers and carry some two tonnes (4,400 lb) more payload and/or fuel than the Il-62M. Other versions were also planned, including a stretched version to seat up to 250 passengers and a shrunk version to suit smaller airfields. The Il-62 has tricycle landing gear with an additional lightweight gear strut at the rear of the fuselage which extends when the aircraft reaches its parking position. Aircraft with rear-mounted engines are usually tail-heavy when sitting empty on the ground, and to prevent the aircraft from tipping up on its tail, various devices are used for supporting the tail – from simple "pogo stick" fixed struts on small aircraft, to light-weight extendable struts (Il-62). Aircraft like
DC-9 The McDonnell Douglas DC-9 is an American five-abreast single-aisle aircraft designed by the Douglas Aircraft Company. It was initially produced by the developer company as the Douglas DC-9 until August 1967 and then by McDonnell Douglas. After ...
or
Boeing 727 The Boeing 727 is an American narrow-body airliner that was developed and produced by Boeing Commercial Airplanes. After the heavy 707 quad-jet was introduced in 1958, Boeing addressed the demand for shorter flight lengths from smaller airpo ...
use an airstair door under their tail which serves the dual purpose of a tail support as well as an extra door for passenger loading. The Il-62 is the largest airliner ever built with all-manual flight controls, using steel cables, rods, pulleys, aerodynamic and weight balances, and trim tabs. The Il-62 also has a forward-mounted tank serving as a water ballast. This may be used when the aircraft flies empty or lightly loaded. If this is a fact, it would rank the Il-62 alongside other airliners that use ballast, notably the French Caravelle and the Soviet
Tu-154 The Tupolev Tu-154 (russian: Tyполев Ту-154; NATO reporting name: "Careless") is a three-engined, medium-range, narrow-body airliner designed in the mid-1960s and manufactured by Tupolev. A workhorse of Soviet and (subsequently) Russian ...
. Due to the rear-mounted powerplants, the wings are aerodynamically clean, and takeoff and landing aids are employed without the disturbing effect of engine nacelles, resulting in free airflow over the dorsal wing surface. This allows the aircraft to fly through
air turbulence Turbulence is a phenomenon involving the irregular motion of air and fluids, studied in fluid dynamics. Turbulence may also refer to: Physics and technology *Clear-air turbulence, a high-altitude aviation hazard *Wake turbulence, forms behind an ...
of 16–18 m/s without affecting its stability.Thiel 2001 Another key Il-62 trademark is the "saw tooth" ("
dog-tooth In architecture, a dog-tooth or dogtooth pattern is an ornament found in the mouldings of medieval work of the commencement of the 12th century, which is thought to have been introduced by the Crusaders. The earliest example is found in the hal ...
") on the wing leading edge. This prominent feature acts as an aerodynamic fence
vortex generator A vortex generator (VG) is an aerodynamic device, consisting of a small vane usually attached to a lifting surface (or airfoil, such as an aircraft wing) or a rotor blade of a wind turbine.
(without which the wings would be almost vortex-free), and fixed leading edge droop/slat/flap. It ensures vice-free behaviour at high angles of attack and assists efficient long-range cruise. The saw tooth removes the need for hydraulic controls, stick shakers, and stick pushers. Later models of the
VC10 The Vickers VC10 is a mid-sized, narrow-body long-range British jet airliner designed and built by Vickers-Armstrongs (Aircraft) Ltd and first flown at Brooklands, Surrey, in 1962. The airliner was designed to operate on long-distance route ...
(for
British United Airways British United Airways (BUA) was a private, independentindependent from government-owned corporations British airline formed as a result of the merger of Airwork Services and Hunting-Clan Air Transport in July 1960, making it the largest whol ...
and
Ghana Airways Ghana Airways Limited was the flag carrier of Ghana, with its main base of operation and hub at Kotoka International Airport in Accra. The airline ceased operations in 2004, although plans were discussed to revive it in 2020 in partnership wit ...
) also adopted this feature, in their case closer to the wing tips. Early NK-8-4-engined Il-62s suffered from performance problems including fatigue and overheating issues with the engines, sometimes leading to false fire alarms which could possibly cause the crew to accidentally shut down paired engines to prevent contiguous engine and fuselage damage. Flying with only two paired engines on the same side would, however, render the aircraft unbalanced and difficult to control. Subsequent modifications to the Il-62 and the VC10 (which had a similar engine arrangement) largely rectified this problem. There were two fatal Il-62 losses involving engine failure, both occurring with aircraft owned by LOT Polish Airlines, which had also leased a number of Il-62s from Aeroflot and Tarom. The higher fatality accident (183) was a fully laden Il-62M Flight 5055 on 9 May 1987 which experienced a rear fuselage fire that possibly went unnoticed by the crew, hence their decision not to land at one of two nearby airports. Control of the plane was eventually lost on the return flight to Warsaw, most likely due to one of the auxiliary fuel tanks fitted to some LOT Il-62s having ignited. The other was an unmodified (early version) NK-8-4-powered Il-62 Flight 007 which crashed on 14 March 1980 with 87 fatalities after being fitted with an engine that had previously caused vibration problems when used on two other LOT aircraft (the investigation suggested that the turbine disc was damaged before its final installation). Powerplant failure of the type that afflicted the LOT aircraft was extremely rare because bearing wear is generally identified by vibration tests during maintenance. At the time, however, LOT did not have equipment to test or fault-diagnose engines of the size used in the Il-62. Unfortunately this meant that any potential problem might not be identified between overhauls. There were other known instances of engine failure, but these did not result in loss of control. The LOT accidents involving different engine types (but same engine position) was a fatal crash-rate 30 times higher than the Il-62 average (2.8% vs 0.092%). At least one other LOT
Soloviev D-30 The Soloviev D-30 (now the Aviadvigatel PS-30) is a Soviet two-shaft low-bypass turbofan engine, officially referred to as a "bypass turbojet". It is probably the single most important turbofan engine developed in the Soviet Union. Development o ...
-equipped aircraft (
Tu-154 The Tupolev Tu-154 (russian: Tyполев Ту-154; NATO reporting name: "Careless") is a three-engined, medium-range, narrow-body airliner designed in the mid-1960s and manufactured by Tupolev. A workhorse of Soviet and (subsequently) Russian ...
) also suffered a similar engine failure (non-fatal) around this time. After 1987, LOT introduced turbine vibration-detecting equipment and shortened the time between inspections. It also adopted the dual flight control system used on some other Il-62s and deleted the auxiliary engine-pod fuel tanks. These planes were subsequently sold to
Air Ukraine Air Ukraine ( uk, Авіалінії України ''Avialiniyi Ukrayiny'') was a state-owned airline from Ukraine, serving as flag carrier of the country from 1992 to 2002. Headquartered in Kyiv, Air Ukraine operated scheduled passenger and c ...
in 1991/1992 which operated them until the airline closed in 2000. In 2010, 30 years after the loss of Flight 007, an investigation of previously unreleased IPN archives at Instytut Pamięci Narodowej revealed that during the industrial unrest of the 1980s LOT had been instructed by the PRL authorities to effect operational cost savings by over-exploitation of service life of its jet engines (see LOT Flight 007, Causes of disaster).


Special Il-62 conversions

Several special conversions were made to the basic Il-62, the main ones being the Il-62 and Il-62M salon VIP versions used by heads of state, and the Il-62M airborne command aircraft (just one example) used by the Russian government.Gordon, Komissarov and Komissarov 2004 Although the Il-62 had been introduced during Khrushchev's time, it was during the Brezhnev era that Ilyushin was asked to develop the salon versions which have been used by Russian leaders ever since right up to the Putin years (during which time both Il-62 and
Il-96 The Ilyushin Il-96 (russian: Илью́шин Ил-96) is a Russian quadjet long-haul wide-body airliner designed by Ilyushin in the former Soviet Union and manufactured by the Voronezh Aircraft Production Association in Russia. It is powered b ...
aircraft were used in combination). The VIP examples were fitted with conference rooms and rest areas, rooms for the retinue, and service personnel and bodyguards, while the secure communication equipment enabled contact with Moscow and other cities from any part of the globe. Examples were also delivered to other countries including Czechoslovakia, Germany, North Korea, Sudan and Ukraine. An airborne command Il-62M (RA-86570) was customised for the emergency response agency
EMERCOM The Ministry of the Russian Federation for Civil Defence, Emergency Situations and Elimination of Consequences of Natural Disasters (russian: Министерство Российской Федерации по делам гражданской ...
to provide evacuation transport for Russian citizens from foreign countries and act as airborne command post for these and other emergency situations.Gordon, Komissarov and Komissarov 2004, pp. 267–268 It operates in conjunction with at least one other Il-62M and a fleet of
Il-76 The Ilyushin Il-76 (russian: Илью́шин Ил-76; NATO reporting name: Candid) is a multi-purpose, fixed-wing, four-engine turbofan strategic airlifter designed by the Soviet Union's Ilyushin design bureau. It was first planned as a comme ...
, Il-76TD waterbombers,
An-72 The Antonov An-72 (NATO reporting name: Coaler) is a Soviet/Ukrainian transport aircraft, developed by Antonov. It was designed as an STOL transport and intended as a replacement for the Antonov An-26, but variants have found success as commer ...
and helicopters which have operated in some 60 countries and is credited with having saved 50,000 lives since the agency was created in 1994. Apart from basic interior changes, RA-86570 features hush-kitted engines and Honeywell electronics with global communication ability via satellite, and an Inmarsat system. The aircraft was used as a command post during the combat of forest fires in the Far East, when dealing with the Chechen terrorist attack in Kaspiysk when an apartment building was blown up, and to bring a Russian Deputy Foreign Minister to Sharjah in 1996 and from there collecting the crew of an
Il-76 The Ilyushin Il-76 (russian: Илью́шин Ил-76; NATO reporting name: Candid) is a multi-purpose, fixed-wing, four-engine turbofan strategic airlifter designed by the Soviet Union's Ilyushin design bureau. It was first planned as a comme ...
freighter who had escaped from the Taliban militia in Afghanistan.


Design

The Il-62 is a conventional all-metal low-wing monoplane of riveted sectional
semi-monocoque The term semi-monocoque or semimonocoque refers to a stressed shell structure that is similar to a true monocoque, but which derives at least some of its strength from conventional reinforcement. Semi-monocoque construction is used for, among ot ...
construction to fail-safe design principles (a structure designed so that failure of one major member does not cause immediate failure of the whole). Its service life was initially set at 30,000 flight hours and subject to extensions and curtailments according to the quality of service procedures, inspection and manufacturer's bulletins. The aircraft features pressurised cabin and freight holds (with fuselage dimensions of 3.8 m width x 4.1 m height), duplex all-mechanical flight controls, though with twin electric motors for tailplane incidence control; hydraulic nosewheel steering, landing gear and tail strut actuation, and wheel brakes. The Il-62M has spoilers and lift dumpers which extend automatically upon landing and are hydraulically operated. Control surfaces include a variable-incidence tailplane with dynamically and weight-compensated elevators with trim tabs, triple-section tabbed ailerons (outermost for low speed and innermost for high speed) which are interlinked with a torsion bar, spoilerons (Il-62M), spoilers and lift dumpers, and pneumatically actuated thrust reversers on the two outboard engines (the reversers are flight-rated on the Il-62M). 27 V AC electrics are used throughout with a TA-6 auxiliary power unit (a turbine generator which supplies electric power and air conditioning on the ground) in the lower tailcone plus backup lead-zinc batteries. The aircraft uses conventional hot air de-icing using engine
bleed air Bleed air is compressed air taken from the compressor stage of a gas turbine upstream of its fuel-burning sections. Automatic air supply and cabin pressure controller (ASCPCs) valves bleed air from high or low stage engine compressor sections. Lo ...
. Its sea level is equivalent to 2,400 m (8,000 ft) above mean sea level and thereafter reducing to the equivalent of 2,400 m (8,000 ft) to cruise altitude. It was originally built with no automatic oxygen masks; emergency supply comprises hatrack-housed oxygen bottles and masks for manual distribution to passengers by cabin crew. Since 1997, most aircraft have been retrofitted with automatic oxygen supply systems with drop-down masks. Its avionics include a Polyot-1 automatic flight control system (a "super autopilot," able to be programmed with a set route which it can fly without human intervention but under constant flight crew monitoring; ICAO Cat. 1 approaches standard, Cat. 2 optional), Doppler navigational radar replaced by triplex INSS (Inertial Navigation System Sets) on Il-62M after 1978 and by
Satellite navigation A satellite navigation or satnav system is a system that uses satellites to provide autonomous geo-spatial positioning. It allows satellite navigation devices to determine their location (longitude, latitude, and altitude/elevation) to high pr ...
sets on many aircraft after 1991, triple VHF and HF flightdeck radios, automatic direction finders, Soviet and Western
instrument landing system In aviation, the instrument landing system (ILS) is a precision radio navigation system that provides short-range guidance to aircraft to allow them to approach a runway at night or in bad weather. In its original form, it allows an aircraft to ...
receivers, vertical omnidirectional radio range and radio beacon receivers, duplex radio altimeters, automatic radio transponders, a full ICAO-standard navigation lights fit, cabin tannoy and intercom systems. Soviet/Russian and Warsaw Pact sovereign examples are additionally fitted with triplex "Odd Rods" (NATO code name) IFF (identification friend or foe) air defence transponders identifiable by three closely spaced short aerials. Emergency evacuation systems include inflatable life rafts and manually extendable canvas evacuation slides. Most aircraft are now retrospectively fitted with emergency floor lighting strips and some aircraft equipped with automatically inflatable evacuation slides. Fire extinguishers are sited in engine nacelles, flightdeck compartment, cabin crew rest areas and toilets. The Il-62 offers accommodation for up to 198 passengers in a single-class layout, seated six-abreast at 84 cm (33 in) seat pitch in two cabins separated by a vestibule, galley/pantry and cabin crew rest area. There are three toilets, forward, midships, and aft. It has a buffet/bar and a further cabin crew rest area in a vestibule forward, with a further optional cabin crew rest area aft. Typical mixed-class accommodation ranges between 128 and 144, seated four or six abreast, and a common single aisle configuration for long distance Aeroflot examples was first class (2-abreast) 3 rows, business class (3-abreast) 4 rows, economy class (3-abreast) 17 rows (Thiel, 2001). In this configuration, the central aisle in business and economy classes is quite narrow. A first class compartment is optionally sited aft of forward entry door or just forward of midships entry door, with an economy compartment further forward in the latter case. "Skycot" fitments are located in hatracks, while later Il-62Ms (1978 onwards) feature enclosed hatracks. Customer-optionable interior fitments. No in-flight entertainment systems are available except a public-address system that may be coupled to an open-reel or audio cassette player. Individual aircraft were experimentally fitted with television sets for Soviet-standard videotape entertainment during the 1970s. Some aircraft were retrospectively fitted with Western in-flight entertainment (solely audio) systems after 1991.


Similarities to VC10

A sideline to the Il-62 story concerns alleged industrial espionage. As the Il-62 was developed at about the same time as the
VC10 The Vickers VC10 is a mid-sized, narrow-body long-range British jet airliner designed and built by Vickers-Armstrongs (Aircraft) Ltd and first flown at Brooklands, Surrey, in 1962. The airliner was designed to operate on long-distance route ...
, to which it bears a marked external resemblance, British Cold War commentators implied that the VC10 design may have been copied by dubbing the Il-62 the "VC10-ski." (Thiel, 2001), but no evidence of this was ever presented. There are significant differences between the Il-62 and the VC10, as the Soviet type is larger, lifts a greater load, and is designed for use exclusively at developed airports whereas the British type can adapt to "up-country" bases. Unlike the VC10, the Il-62 uses conservative technology, such as mechanical control surface linkages, and is an entirely civilian machine, whereas the VC10 was designed to serve as both a civilian airliner and military airlifter and freighter. The Il-62 found more buyers and was built in much larger numbers than the VC10 (292 vs 54), and as of November 2018 many examples are still in service. On the other hand, the VC10 has been retired from that role (in 1966 BOAC described the aircraft as uneconomic and asked for government subsidies to continue operating it, although some VC10s were used by Britain's
Royal Air Force The Royal Air Force (RAF) is the United Kingdom's air and space force. It was formed towards the end of the First World War on 1 April 1918, becoming the first independent air force in the world, by regrouping the Royal Flying Corps (RFC) an ...
in support roles). China and Czechoslovakia were two countries that cancelled orders for the VC10 (for
CAAC The Civil Aviation Administration of China (CAAC; ) is the Chinese civil aviation authority under the Ministry of Transport. It oversees civil aviation and investigates aviation accidents and incidents. As the aviation authority responsible f ...
and Czechoslovak Airlines, respectively) and purchased the Il-62 instead (see
VC10 The Vickers VC10 is a mid-sized, narrow-body long-range British jet airliner designed and built by Vickers-Armstrongs (Aircraft) Ltd and first flown at Brooklands, Surrey, in 1962. The airliner was designed to operate on long-distance route ...
: Sales and airline service).


Operational history

After the introduction of the Il-62M, Aeroflot (the largest operator of the plane) gradually upgraded and later replaced its fleet of NK-8 powered Il-62s with the newer Soloviev D-30 KU-powered Il-62M. Coupled with engine nacelle and other modifications, greatly reduced the chance of contiguous powerplant damage. By mid-1973, the airline was operating 60 Il-62s, and by 1989 this had increased to 165 (Il-62 and Il-62M). The Il-62M had a dispatch rate with Aeroflot of 97% with some examples logging as many as 17 flight hrs/day, and it was described as the most reliable type in the fleet at that time. It set several international records in its class, mostly exemplifying a range capability far in excess of the conservative Aeroflot calculations applied in Soviet times. Some of these records were set by an all-woman crew of five captained by Iraida ("Inna") Vertiprahova. With 10 tonnes of freight, the Il-62M had a maximum range of 10,300 km compared to 9,412 km for the VC10 carrying the same weight. With a 23 tonne payload, the Il-62M range was 8000 km, compared to 6,920 km for a Boeing 707 with maximum payload. Because of its capacity, the plane has historically been used for emergency civilian evacuation flights, one of the most notable being the landing of an Aeroflot-registered Il-62 at Santiago Airport, Chile on the night of 10 September 1973 (the day before the military coup by
Augusto Pinochet Augusto José Ramón Pinochet Ugarte (, , , ; 25 November 1915 – 10 December 2006) was a Chilean general who ruled Chile from 1973 to 1990, first as the leader of the Military Junta of Chile from 1973 to 1981, being declared President of ...
) in order to evacuate 147 Cuban embassy personnel. In April 2015 two EMERCOM IL-62Ms (including RA-86495 of the Russian Federation Air Force) were used to evacuate around 900 foreign nationals and Yemenis from Sanaa during the Saudi-led military operation against Yemen. The Il-62 was said to be well regarded by pilots and passengers alike, especially for its strong directional stability in high turbulence (although landings are sometimes bouncy), smooth cruising ability and very quiet interior in cruise mode due partly to engine placement. Although the original IL-62 was rated for a service life of 23 years and was criticised for heavy fuel consumption, upgraded M versions are sometimes rated for 50 years and have greatly improved operational economics. One of the drawbacks of the original Il-62 design was the lack of a cargo bay roller transfer system, which necessitated manual loading of pre-packaged baggage and cargo thus making preparation of the aircraft rather slow (a cargo/baggage conveyance system is standard on the Il-62M). There is relatively easy access to all serviceable mechanical components including the engines whilst the plane's
thrust reversal Thrust reversal, also called reverse thrust, is the temporary diversion of an aircraft engine's thrust for it to act against the forward travel of the aircraft, providing deceleration. Thrust reverser systems are featured on many jet aircraft t ...
capabilities allows reverse taxiing without the need for tow-vehicles. Powerplant overhaul intervals varied between specifications and maintenance procedures and between the thrust reverse-capable outer engines and the inner ones.
Czech Airlines Czech Airlines j.s.c. (abbreviation: ČSA, cz, České Aerolinie, a.s.) is the flag carrier of the Czech Republic. Its head office is located in the Vokovice area of Prague's 6th district and its hub is Václav Havel Airport Prague. The compa ...
operated an early Il-62 on a proving basis up to 3000 hrs between overhauls, which was well beyond the recommended (and their usual) intervals which were nearer 2000 hrs although
Interflug Interflug GmbH (german: Interflug Gesellschaft für internationalen Flugverkehr m.b.H.; ) was the national airline of the German Democratic Republic from 1963 to 1990. Based in East Berlin, it operated scheduled and chartered flights to Europea ...
were able to designate up to 5000 hrs with their service facilities. Subsequent upgrades to some Il-62Ms provided for 6000 hr overhaul intervals (with total engine life of 18,000–20,000 hrs). Later examples of the Il-62M remain in regular commercial service (as of 2016), and the type also sees continued use as a VIP/head of state transport. Although the plane's safety record does not equal that of later airliners, there were no fatal accidents involving an Il-62 between 1989 and 2009 during which time the highest number of planes were in service. With successive Il-62M upgrades and improved avionics, including triplex inertial navigation systems and enhanced flight controls to cope with poor visibility (IMP, 1997), the plane gained a reputation as a very safe airliner whose record compares favorably with similar airliners, most of which are no longer in civilian use. Its total hull loss rate (7.7%) is lower than those of the Boeing 707 (16.4%) and
DC-8 The Douglas DC-8 (sometimes McDonnell Douglas DC-8) is a long-range narrow-body airliner built by the American Douglas Aircraft Company. After losing the May 1954 US Air Force tanker competition to the Boeing KC-135, Douglas announced in Ju ...
(14.9%), and near that of the
VC10 The Vickers VC10 is a mid-sized, narrow-body long-range British jet airliner designed and built by Vickers-Armstrongs (Aircraft) Ltd and first flown at Brooklands, Surrey, in 1962. The airliner was designed to operate on long-distance route ...
/Super VC10 (= 7.8% if one excludes the three examples destroyed by terrorists) although the VC10 was only in civilian service for 16 years (versus 48 years for the Il-62, as at 2015), and only 40 of 54 airframes were built as airliners (the remaining 14 going to the RAF). Several Il-62/M accidents over the first decades of operation mainly involved runway overruns or aborted takeoffs. The braking system employed the reverse thrust of the outer engines only, and if for some reason one or other failed to engage, the aircraft could become difficult to steer for an unprepared pilot. In seven takeoff or landing accidents there were no fatalities, a testament to the high level of structural integrity, and in two cases with landing-related fatalities CCP-86470 and UP-16208these were due to the aircraft colliding with structures near the runway ower and concrete wall, respectively The Il-62/M fuselage features a strengthened hull with 'ski' keel originally designed to allow for an undercarriage-up emergency landing (in practice the undercarriage and landing gear proved extremely reliable). The trade-off for the reinforced airframe is the relatively high fuel consumption and some airlines such as
Interflug Interflug GmbH (german: Interflug Gesellschaft für internationalen Flugverkehr m.b.H.; ) was the national airline of the German Democratic Republic from 1963 to 1990. Based in East Berlin, it operated scheduled and chartered flights to Europea ...
modified their planes to reduce fuel consumption. Production is said to have continued until 1995, although continuous production ended in 1993. Including prototypes, total production is surmised as being 289. However, the factory states 292 (5 prototypes, 94 Il-62s and 193 Il-62Ms). Four aircraft remained unsold at the factory as of 1997, while the last delivery was reportedly RA-86586 of Magma, built in 1995, but only delivered in 1999 as a result of tariffs imposed on imported western aircraft. The last airframe was built in 2004 for the Sudanese government. The Il-62M variant is still listed as an available option on the product page of Ilyushin's website, which may imply the existence of additional incomplete or unsold airframes. During the Syrian Civil War, Russian Air Force Il-62M were observed flying between Russia and Syria. Starting at the end of 2015, with the
Russian military intervention in the Syrian Civil War {{Infobox military conflict , partof = the foreign involvement in the Syrian civil war, and the military intervention against ISIL , image = , image_size = , border = , caption = To ...
, Russian Air Force Il-62M were frequently reported departing and landing at the Khmeimim Air Base in Latakia, Syria, moving materiel and personnel in and out of Syria.


Variants

;Il-62 : Initial production version, powered by four 23,150-lb (103.0 kN) Kuznetsov NK-8 turbofan engines, accommodation for a crew of five and 186 passengers. ;Il-62M : Improved version, powered by four 24,250-lb (107.9 kN) Soloviev D-30KU turbofan engines, accommodation for a crew of five and 174 passengers, equipped with containerised baggage and freight system, modified wing spoilers and a revised flight deck, plus increased fuel capacity. ;Il-62MK : Medium-range version, powered by four 24,250-lb (107.9 kN) Soloviev D-30KU turbofan engines, accommodation for a crew of five and 195 passengers, equipped with strengthened wings and landing gear for operations at higher gross weights. ;Il-62MGr : Cargo version of Il-62M


Operators


Civil operators

As of July 2017, a total of six Il-62 aircraft remained in passenger or government service (excluding converted freighter versions). Over 30 countries have operated the Il-62 since 1967, although exports did not begin until initial Aeroflot needs had been met (rapid replacement of Tu-114s on international services). First exports were in late 1969 to
CSA Czechoslovak Airlines Czech Airlines j.s.c. (abbreviation: ČSA, cz, České Aerolinie, a.s.) is the flag carrier of the Czech Republic. Its head office is located in the Vokovice area of Prague's 6th district and its hub is Václav Havel Airport Prague. The comp ...
. The pattern was similar with the Il-62M, of which the first export (to Cubana) was delayed until 1977. Among Eastern Bloc nations,
Bulgaria Bulgaria (; bg, България, Bǎlgariya), officially the Republic of Bulgaria,, ) is a country in Southeast Europe. It is situated on the eastern flank of the Balkans, and is bordered by Romania to the north, Serbia and North Macedo ...
and
Hungary Hungary ( hu, Magyarország ) is a landlocked country in Central Europe. Spanning of the Pannonian Basin, Carpathian Basin, it is bordered by Slovakia to the north, Ukraine to the northeast, Romania to the east and southeast, Serbia to the ...
did not operate the Il-62 series, although Hungary briefly leased one example pending Boeing 767 services in 1990. As a curiosity, Malev was the first and only foreign airline to order the IL-62 according to the October 1967 issue of ''Flight International''. In 1968 the new political trend called "New Economic Mechanism" introduced by the Hungarian Council of Ministers led to the deletion of the order, because of financing problems. This was due, among other more important reasons, to heavy anti-Ilyushin lobbying by Tupolev in the former country and to commercial considerations in both countries whose airlines preferred to concentrate on short and medium range routes, that was equal to the low demand for the long-haul service. East Germany, Czechoslovakia and Cuba were amongst the largest foreign customers for the Il-62. The former East German airline
Interflug Interflug GmbH (german: Interflug Gesellschaft für internationalen Flugverkehr m.b.H.; ) was the national airline of the German Democratic Republic from 1963 to 1990. Based in East Berlin, it operated scheduled and chartered flights to Europea ...
owned 24 aircraft: 21 in civilian service and three for airforce and presidential use (later transferred to the united German airforce), including six Il-62s, 16 Il-62Ms and two rare Il-62MKs (after unification, seven Interflug IL-62s were on-sold to Uzbekistan which later also bought the three airforce examples).
Czech Airlines Czech Airlines j.s.c. (abbreviation: ČSA, cz, České Aerolinie, a.s.) is the flag carrier of the Czech Republic. Its head office is located in the Vokovice area of Prague's 6th district and its hub is Václav Havel Airport Prague. The compa ...
(formerly Czechoslovak Airlines) operated 21 planes between 1969 and 1997, including 15 Il-62s and six Il-62Ms, of which 15 were registered under the famous CSA 'OK jet' designation, and six were leased from Aeroflot. Some of these planes were still operational in 2012. Cuba operated 27 different Il-62s, of which 12 were leased either from Aeroflot or Tarom (which operated three Il-62s and two Il-62Ms alongside its Boeing 707s) and 15 were owned by Cubana which became a long-term operator with its first Il-62M purchase in 1977. After 2000, Cubana refurbished its remaining planes for international routes, on which they operated until March 2011. Poland operated 23 Il-62s and Il-62Ms, including aircraft leased from Aeroflot and Tarom. The largest non-state operator of the Il-62 was Russian-based
Domodedovo Airlines JSC "Domodedovo Airlines" (russian: ОАО «Авиакомпания «Домодедовские авиалинии» ''OAO Aviakompaniya Domodedovskiye Avialinii'') was an airline with its head office on the grounds of Domodedovo International ...
which acquired 45 planes from Aeroflot (42 Il-62Ms and 3 Il-62s) that were used for domestic services including continuous operations on the world's longest internal route, Moscow to
Petropavlovsk-Kamchatsky Petropavlovsk-Kamchatsky ( rus, Петропавловск-Камчатский, a=Петропавловск-Камчатский.ogg, p=pʲɪtrɐˈpavləfsk kɐmˈtɕatskʲɪj) is a city and the administrative, industrial, scientific, and cultu ...
, a distance of . From 1970,
Air France Air France (; formally ''Société Air France, S.A.''), stylised as AIRFRANCE, is the flag carrier of France headquartered in Tremblay-en-France. It is a subsidiary of the Air France–KLM Group and a founding member of the SkyTeam global a ...
and
Japan Air Lines , also known as JAL (''Jaru'') or , is an international airline and Japan's flag carrier and largest airline as of 2021 and 2022, headquartered in Shinagawa, Tokyo. Its main hubs are Tokyo's Narita International Airport and Haneda Airport, as w ...
wet-leased a number of Aeroflot Il-62s for long-haul services, and from 1971,
KLM KLM Royal Dutch Airlines, legally ''Koninklijke Luchtvaart Maatschappij N.V.'' (literal translation: Royal Aviation Company Plc.), is the flag carrier airline of the Netherlands. KLM is headquartered in Amstelveen, with its hub at nearby Amste ...
Royal Dutch Airlines operated nine Aeroflot-registered Il-62s for the Moscow-Amsterdam route (these planes wore joint Aeroflot/KLM markings). Due to strained relations between the Soviet Union and the US during the 1980s, in 1984 Aeroflot coordinated with Irish carrier
Aer Lingus Aer Lingus ( ; an anglicisation of the Irish , meaning "air fleet" compare Welsh 'llynges awyr') is the flag carrier of Ireland. Founded by the Irish Government, it was privatised between 2006 and 2015 and it is now a wholly owned subsidiary ...
to use
Shannon airport Shannon Airport ( ga, Aerfort na Sionainne) is an international airport located in County Clare in the Republic of Ireland. It is adjacent to the Shannon Estuary and lies halfway between Ennis and Limerick. The airport is the third busiest ai ...
as a hub for connecting flights from Moscow and Leningrad to link with the Irish carrier's New York routes. Aeroflot was also granted rights to use Shannon for flights to Cuba and South America (Peru). From 1992 Irish tour operators contracted Aeroflot to carry tourists to the eastern US (Miami) and later to the Caribbean, Central America and Mexico, using Il-62Ms. On any given day, Shannon hosted up to eight Il-62s and Il-86s (in addition to Tu-154s and Tu-134s). By 1995/1996, Shannon was handling 2,400 Aeroflot transit flights carrying 250,000 passengers per annum (including government-registered Il-62Ms) with Aeroflot crews being housed near Shannon airport. By 1995, direct flights between Moscow and the US became possible and the use of Shannon as a hub declined. For its US west-coast air links (which began in 1991) Aeroflot Il-62s flew east to Anchorage from Moscow and several cities in the Russian Far East (Khabarovsk, Vladivostok, Magadan, and Yuzhno-Sakhalinsk), often continuing on to San Francisco. Trans-Pacific Il-62 flights between the Russian Far East and Anchorage continued until 2000. Il-62M/MKs remained popular for civilian service in Russia up until the economic recession of 2008. In late 2008, Russian-operated planes were removed from scheduled passenger operations due to a severe economic crisis affecting major operators Interavia Airlines, Dalavia and
Domodedovo Airlines JSC "Domodedovo Airlines" (russian: ОАО «Авиакомпания «Домодедовские авиалинии» ''OAO Aviakompaniya Domodedovskiye Avialinii'') was an airline with its head office on the grounds of Domodedovo International ...
. As a result, Rossiya became the largest operator, but it uses the Il-62 for government service only. By September 2009 a total of 38 Il-62s (all versions) remained in service worldwide (compared with 88 planes in service in 2006), only one of which was the original series aircraft operating with Russian Air Force whilst others were M or MK-series aircraft. In 2011 Cubana retired its last civilian examples 33 years after receiving its first IL-62. Some other airlines and governments also operate small numbers of the type. In 2013
DETA Air D.E.T.A. LLP operating as DETA Air was an airline, with bases in Almaty and Shymkent, Kazakhstan. Their principal airline routes were to Hong Kong and Istanbul. History DETA was founded in 2003. The company performed a variety of passenger an ...
ceased operations of Il-62M. ; *Rada Airlines (2) ; *Air Koryo (4 are operated by Air Koryo; 2 are in commercial service; 2 in VIP livery and configuration and are owned by the North Korean government)


Former operators


Government/military operators

The aircraft has seen military use with the air force of East Germany (DDR [GDR]) and later the united Germany (one Il-62MK and two Il-62Ms) and is believed to have been operated by the air forces of other countries including Cuba, Gambia, Georgia (country), Georgia, Libya, North Korea, Russia, Romania and Ukraine. It is used as an emergency response aircraft by the Russian government (RA-86570 and RA-86495). In addition to military use, it has been used as a personnel or head-of-state transport by Russia (at least eight examples), Ukraine, East Germany, Georgia (country), Georgia (2748552), Uzbekistan (UK-86569), Gambia (C5-RTG), Mozambique, Sudan (ST-PRA), Cuba, North Korea, and Czechoslovakia, the government of which used an Il-62 (OK-BYV) and three Il-62Ms between 1974 and 1996. Some head-of-state examples were produced in VIP interior configuration whilst others were standard civilian versions. In North Korea, two IL-62Ms (operated by Air Koryo) are owned by the Government of North Korea, North Korean government. Both of which have government liveries and VIP interior configurations and are given the call sign "Chammae" (Northern Goshawk, national bird of North Korea). One is coded as "Chammae-1" which transports Kim Jong Un while the other, Chammae-2, provides transport to high level government officials and VIPs. Chammae-2 was seen transporting officials of the high-level DPRK delegation including Kim Yong Nam and Kim Yo Jong to Incheon International Airport in Seoul, South Korea for the 2018 Winter Olympics. Both aircraft are part of Air Koryo's inventory of four IL-62Ms.


Current operators

; *Government of North Korea – Currently owns 2 IL-62Ms (operated by Air Koryo) ; *Government of Sudan ; * Russian Air Force


Former operators


Incidents and accidents

Since its first flight in 1963 there have been 12 fatal accidents during civilian service, namely: nine crashes, two landing overruns and an aborted takeoff (fatalities of the last three resulted from collisions with structures near the runway). The complete list of incidents include eight of Il-62M (a total of 25 incidents/accidents in ASN database, 14 of which were Il-62M, including 24 April 1998 and 20 April 2008). As of July 2012 there had been 23 hull losses from all causes including prototype testing, fires, runway overruns, navigational errors, and non-operational incidents, 48% of which did not involve fatalities, with 1,141 fatalities total. This figure and the list below includes planes that were still operable but were deemed uneconomic to return to service due to their age and/or flight hours (YR-IRD and CU-T1283). Within the group of comparable airliners (Il-62/Il-62M, VC10/Super VC10, Boeing 707, DC8) the Il-62M had the second highest hull loss rate (25) after the DC-8. There were three fatal accidents involving an Il-62 between 1989 and 2009 the most recent one Jul 2009, overall there are thirteen fatal accidents involving a Il-62.


Aircraft on display

As the first long-range jet airliner to be put into service by a number of nations, some retired Il-62s have been converted into museums and other uses in countries such as the Czech Republic, Germany, Austria, Cuba and China. The best known example was the Il-62 "DDR-SEG" from the former East German airline
Interflug Interflug GmbH (german: Interflug Gesellschaft für internationalen Flugverkehr m.b.H.; ) was the national airline of the German Democratic Republic from 1963 to 1990. Based in East Berlin, it operated scheduled and chartered flights to Europea ...
. On 23 October 1989, DDR-SEG was intentionally landed on the short grass Gollenberg#Aviation, Stolln/Rhinow airfield in a famous but potentially dangerous manoeuvre. Fire trucks and ambulance crews were positioned on hand for the landing but were not needed. The jet is used to commemorate the site of the fatal crash of Otto Lilienthal (1848–1896) at the Gollenberg hill. Nicknamed ''Lady Agnes'' after Lilienthal's wife, it is now a museum with the fuselage divided between the Lilienthal collection and a wedding Register office (United Kingdom), registry. In July 1983, another landing of an IL-62 on unimproved ground took place at Monino, Russia, when Ilyushin OKB Chief Test Pilot Stanislav Bliznyuk delivered CCCP-86670 to the Monino outdoor Air Force Museum.


Specifications (Il-62M)


See also


References


Sources

* Dawes, Alan. "Ilyushin Il-62 – A Classic of its Time". ''Air International'', January 2004, Vol 66 No 1. pp. 30–36. ISSN 0306-5634. * Gordon, Yefim. Dmitry Komissarov and Sergey Komissarov. ''OKB Ilyushin: a History of the Design Bureau and its Aircraft''. Hinkley, UK: Midland Publishing, 2004. . * Bill Gunston, Gunston, Bill. ''The Osprey Encyclopedia of Russian Aircraft 1975–1995''. London: Osprey, 1995. . * ''Ilyushin IL-62''. Aircraft of the World, no. 66, group 2. IMP (International Masters Publishers) AB, 1997. * John W. R. Taylor, Taylor, John W. R. ''Jane's All The World's Aircraft 1988–89''. Coulsdon, UK: Jane's Defence Data, 1988. . * Thiel, Jorg: ''Airliner in Service around the World, No. 2: IL-62'' (NARA-Verlag, 2001, ) (text in German and English).


External links


Pictures of Il-62




{{Authority control Ilyushin aircraft, Il-062 1960s Soviet airliners Quadjets T-tail aircraft Low-wing aircraft Aircraft first flown in 1963