Embraer EMB-312 Tucano
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The Embraer EMB 312 Tucano (English: ''
Toucan Toucans (, ) are members of the Neotropical near passerine bird family Ramphastidae. The Ramphastidae are most closely related to the American barbets. They are brightly marked and have large, often colorful bills. The family includes five ge ...
'') is a
low-wing A monoplane is a fixed-wing aircraft configuration with a single mainplane, in contrast to a biplane or other types of multiplanes, which have multiple planes. A monoplane has inherently the highest efficiency and lowest drag of any wing confi ...
,
tandem Tandem, or in tandem, is an arrangement in which a team of machines, animals or people are lined up one behind another, all facing in the same direction. The original use of the term in English was in ''tandem harness'', which is used for two ...
-seat, single-
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. Fuel ...
, basic trainer with
counter-insurgency Counterinsurgency (COIN) is "the totality of actions aimed at defeating irregular forces". The Oxford English Dictionary defines counterinsurgency as any "military or political action taken against the activities of guerrillas or revolutionar ...
capability that was developed in
Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...
. The
Brazilian Air Force "Wings that protect the country" , colours = , colours_label = , march = Hino dos Aviadores , mascot = , anniversaries = 22 May (anniver ...
sponsored the EMB-312 project at the end of 1978. Design and development work began in 1979 on a low-cost, relatively simple new basic trainer with innovative features which eventually became the international standard for basic training aircraft. The
prototype A prototype is an early sample, model, or release of a product built to test a concept or process. It is a term used in a variety of contexts, including semantics, design, electronics, and Software prototyping, software programming. A prototyp ...
first flew in 1980, and initial production units were delivered in 1983. Production was initially supported by a local order for 118 aircraft, with options for an additional 50 units in October 1980. It was later matched by an Egyptian licence-produced purchase in 1993 and subsequently by an improved variant known as the
Short Tucano The Short Tucano is a two-seat turboprop basic trainer built by Short Brothers in Belfast, Northern Ireland. It is a licence-built version of the Brazilian Embraer EMB 312 Tucano. On 14 February 1986, the prototype conducted its maiden flig ...
, which was licence-produced in the
United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and North ...
. The Tucano made inroads into the military trainer arena and became one of Embraer's first international marketing successes. A total of 664 units were produced (504 by Embraer and 160 by Short Brothers), flying in 16 air forces over five continents.


Development


Background

The
Brazilian military government The military dictatorship in Brazil ( pt, ditadura militar) was established on 1 April 1964, after a coup d'état by the Brazilian Armed Forces, with support from the United States government, against President João Goulart. The Brazilian dicta ...
considered aircraft strategic equipment, and in an effort to reduce dependency from foreign companies, the state-owned Embraer was established in 1969. A production license to assemble the MB.326 was acquired in 1970 to familiarize the company with military design, and in 1973, the
Embraer EMB 110 Bandeirante The Embraer EMB 110 Bandeirante (English: ''pioneer'') is a Brazilian general purpose 15–21 passenger twin-turboprop light transport aircraft designed by Embraer for military and civil use. The EMB 110 was designed by the French engineer Max Ho ...
was introduced with two Pratt & Whitney PT6A engines. After all-jet training program trials during the 1950s, a variety of propeller-driven aircraft were used for pilot training during the 1960s and 1970s. In the 1970s, oil prices rapidly increased with the price of a crude oil barrel having risen from $3 in 1973 to $36 by 1980, deflating the Brazilian economy. At that time, the Brazilian Air Force operated the J69-powerered Cessna T-37C, which was a 1950s design and following the
1970s energy crisis The 1970s energy crisis occurred when the Western world, particularly the United States, Canada, Western Europe, Australia, and New Zealand, faced substantial petroleum shortages as well as elevated prices. The two worst crises of this period wer ...
, became expensive to operate. In 1977, the Brazilian Air Force expressed a desire to replace the T-37, specifying that the replacement would need to be cheap to operate, designed to closely imitate the characteristics of jet aircraft and should have ejection seats. During the 1970s the Brazilian Air Force operated over 100 piston-powered
Neiva Universal The Neiva N621 Universal is a Brazilian propeller-driven basic trainer and ground attack aircraft manufactured by Indústria Aeronáutica Neiva. It is a cantilever, low-wing monoplane of all-metal construction, with retractable undercarriage an ...
basic trainers. Encouraged to undertake a follow-on project known as "Universal II",
Indústria Aeronáutica Neiva Indústria Aeronáutica Neiva is a subsidiary of Embraer which produces airplanes and aircraft components. Its main product is the Embraer EMB 202 Ipanema, the most employed agricultural aircraft in Brazil and the first alcohol-powered airplane. ...
rolled out the prototype N621A (YT-25A) in 1975 with an extended body, four hard points, and the more powerful 400 hp Lycoming IO-720-A1A engine which drove a three-bladed Hartzell propeller. The YT-25B prototype, a further modified version with six hard points, flew on 22 October 1978, but it did not meet requirements since the type was slower and smaller, and had side-by-side seats and a rear jump seat.Warwick and Gaines (1983), p 31–32 Two years later, the company was acquired by Embraer. In 1973, designer Joseph Kovács moved from Neiva to Embraer, bringing with him a number of studies based on the Neiva Universal, including a development of the tandem-seat, turboprop Carajá.Swanborough (1980), p. 290–291


Responding to requirements

In early 1977, Embraer forwarded two proposals for the Brazilian Air Force trainer requirement: the
Lycoming TIO-541 The Lycoming TIO-541 engine is a turbocharged, fuel-injected, horizontally opposed, six-cylinder aircraft engine featuring three cylinders per side, manufactured by Lycoming Engines. The TIO-541 family of engines includes the TIGO-541 turbocharg ...
-powered EMB-301
basic trainer A trainer is a class of aircraft designed specifically to facilitate flight training of pilots and aircrews. The use of a dedicated trainer aircraft with additional safety features—such as tandem flight controls, forgiving flight characteristi ...
based on the Neiva Universal and the
PT6A The Pratt & Whitney Canada PT6 is a turboprop aircraft engine produced by Pratt & Whitney Canada. Its design was started in 1958, it first ran in February 1960, first flew on 30 May 1961, entered service in 1964 and has been continuously up ...
-powered EMB-311
counter-insurgency aircraft Counter-insurgency aircraft or COIN aircraft are a specialized variety of military light attack aircraft, designed for counter-insurgency operations, armed reconnaissance, air escort of ground forces, and ground support against "low-intensity en ...
based on the Carajá. None of the proposals was acceptable to the Air Force, but interest was expressed in the higher-performance EMB-311. Later on that same year, the Ministry of Aeronautics ( Ministério da Aeronáutica) released a new requirement. Therefore, in January 1978, Embraer's design team, which was led by Guido Fontegalante Pessotti and included Joseph Kovacs, commenced to redesign the EMB-311 to produce the EMB-312. On 6 December 1978, Embraer was officially awarded a contract to produce two prototypes and two
airframe The mechanical structure of an aircraft is known as the airframe. This structure is typically considered to include the fuselage, undercarriage, empennage and wings, and excludes the propulsion system. Airframe design is a field of aerospa ...
s for
fatigue Fatigue describes a state of tiredness that does not resolve with rest or sleep. In general usage, fatigue is synonymous with extreme tiredness or exhaustion that normally follows prolonged physical or mental activity. When it does not resolve ...
tests. The specifications were concluded in February 1979, and the main differences from the EMB-311 were the more powerful PT6A-25C engine, raised rear
cockpit A cockpit or flight deck is the area, usually near the front of an aircraft or spacecraft, from which a Pilot in command, pilot controls the aircraft. The cockpit of an aircraft contains flight instruments on an instrument panel, and the ...
, and the addition of
ejection seats In aircraft, an ejection seat or ejector seat is a system designed to rescue the pilot or other crew of an aircraft (usually military) in an emergency. In most designs, the seat is propelled out of the aircraft by an explosive charge or rocke ...
. Eventually, the original specifications underwent a major modification, including a smaller
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 aircraft t ...
with an upright
cruciform tail __NOTOC__ The cruciform tail is an aircraft empennage configuration which, when viewed from the aircraft's front or rear, looks much like a cross. The usual arrangement is to have the horizontal stabilizer intersect the vertical tail somewhere ...
instead of a swept-back tail; a more
dome A dome () is an architectural element similar to the hollow upper half of a sphere. There is significant overlap with the term cupola, which may also refer to a dome or a structure on top of a dome. The precise definition of a dome has been a m ...
d canopy; extended
elevators An elevator or lift is a cable-assisted, hydraulic cylinder-assisted, or roller-track assisted machine that vertically transports people or freight between floors, levels, or decks of a building, vessel, or other structure. They are ...
; greater distance between the nosewheel and back wheel; reduction of the
wing root The wing root is the part of the wing on a fixed-wing aircraft or winged-spaceship that is closest to the fuselage,Peppler, I.L.: ''From The Ground Up'', page 9. Aviation Publishers Co. Limited, Ottawa Ontario, Twenty Seventh Revised Edition, 1996 ...
; and an increased
wingspan The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the other wingtip. For example, the Boeing 777–200 has a wingspan of , and a wandering albatross (''Diomedea exulans'') caught in 1965 had a wingspan of ...
,
tailplane A tailplane, also known as a horizontal stabiliser, is a small lifting surface located on the tail (empennage) behind the main lifting surfaces of a fixed-wing aircraft as well as other non-fixed-wing aircraft such as helicopters and gyroplane ...
, and landing gear. By late 1979, a full-scale
mock-up In manufacturing and design, a mockup, or mock-up, is a scale model, scale or physical model, full-size model of a design or device, used for teaching, demonstration, design evaluation, promotion, and other purposes. A mockup may be a ''protot ...
was built with a cockpit for the evaluation of
flight instruments Flight instruments are the instruments in the cockpit of an aircraft that provide the pilot with data about the flight situation of that aircraft, such as altitude, airspeed, vertical speed, heading and much more other crucial information in fli ...
, and a subscale,
radio-controlled Radio control (often abbreviated to RC) is the use of control signals transmitted by radio to remotely control a device. Examples of simple radio control systems are garage door openers and keyless entry systems for vehicles, in which a smal ...
research model was designed to evaluate the free-flight characteristics before building a full-scale prototype. Within 21 months of the contract having been signed, the first prototype took flight on 16 August 1980, bearing the FAB serial 1300. The second prototype flew for the first time on 10 December 1980, implementing system accessibility enhancements to trim down maintenance overheads. Weapons captive flight trials resulted in the addition of a fin
fillet Fillet may refer to: *Annulet (architecture), part of a column capital, also called a fillet *Fillet (aircraft), a fairing smoothing the airflow at a joint between two components *Fillet (clothing), a headband *Fillet (cut), a piece of meat *Fille ...
to improve lateral stability. In August 1982, the second prototype was lost during clearance trials, in which full
rudder A rudder is a primary control surface used to steer a ship, boat, submarine, hovercraft, aircraft, or other vehicle that moves through a fluid medium (generally aircraft, air or watercraft, water). On an aircraft the rudder is used primarily to ...
was applied when the type exceeded the maximum designed diving speed ( Vd) of by , causing the
leading edge The leading edge of an airfoil surface such as a wing is its foremost edge and is therefore the part which first meets the oncoming air.Crane, Dale: ''Dictionary of Aeronautical Terms, third edition'', page 305. Aviation Supplies & Academics, ...
skin to tear apart, followed by a −30 g dive, resulting in a complete disintegration of the airframe. Both the pilot and co-pilot were able to safely eject. The tailplane leading edge of the first prototype was modified, and requirements were cleared in 1983, after which it achieved a maximum diving speed of . A third prototype YT-27, further modified from the previous two prototypes, received the civilian registration mark PP-ZDK, and flew on 16 August 1982. The following month, the prototype made its international debut at the
Farnborough Airshow The Farnborough Airshow, officially the Farnborough International Airshow, is a trade exhibition for the aerospace and defence industries, where civilian and military aircraft are demonstrated to potential customers and investors. Since its fir ...
, crossing the
Atlantic The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the " Old World" of Africa, Europe an ...
just a few days after its maiden flight. The type was designated by the Brazilian Air Force as the T-27 for training purposes and the AT-27 for ground attack in
counter-insurgency Counterinsurgency (COIN) is "the totality of actions aimed at defeating irregular forces". The Oxford English Dictionary defines counterinsurgency as any "military or political action taken against the activities of guerrillas or revolutionar ...
missions. Inspired by one of the most well-known birds in the
Amazon rainforest The Amazon rainforest, Amazon jungle or ; es, Selva amazónica, , or usually ; french: Forêt amazonienne; nl, Amazoneregenwoud. In English, the names are sometimes capitalized further, as Amazon Rainforest, Amazon Forest, or Amazon Jungle. ...
, a Brazilian Air Force
cadet A cadet is an officer trainee or candidate. The term is frequently used to refer to those training to become an officer in the military, often a person who is a junior trainee. Its meaning may vary between countries which can include youths in ...
suggested the aircraft be named the "Tucano" ( en,
toucan Toucans (, ) are members of the Neotropical near passerine bird family Ramphastidae. The Ramphastidae are most closely related to the American barbets. They are brightly marked and have large, often colorful bills. The family includes five ge ...
), and this was approved on 23 October 1981.Alfonzo (2003), p. 2


Further development


EMB-312S

An agreement was signed in May 1984 between Embraer and
Short Brothers Short Brothers plc, usually referred to as Shorts or Short, is an aerospace company based in Belfast, Northern Ireland. Shorts was founded in 1908 in London, and was the first company in the world to make production aeroplanes. It was particu ...
to modify the EMB 312 to meet a
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) and ...
requirement for a high-performance, turbo-prop trainer to replace the
BAC Jet Provost The BAC Jet Provost is a British jet trainer aircraft that was in use with the Royal Air Force (RAF) from 1955 to 1993. It was originally developed by Hunting Percival from the earlier piston engine-powered Percival Provost basic trainer, and ...
issued in 1983. Short Brothers was responsible for the final assembly and licence-built 60% of the aircraft parts, although the wings, landing gear, and canopy were built in Brazil. In March 1985, after a competition with other types, the Short Tucano was declared the winner, with an order worth £126 million for 130 aircraft and an option for a further 15. As well as production for the Royal Air Force, the Short Tucano was exported to Kenya (12 Tucano Mk.51s) and Kuwait (16 Tucano Mk.52s).


EMB-312H

During the mid-1980s, as Embraer was working on the Short Tucano, the company also developed a new version designated the EMB-312G1. Also using a Garrett engine, the EMB-312G1 prototype flew for the first time in July 1986. However, the Brazilian Air Force showed no interest, and the project was dropped. Nonetheless, the lessons from recent combat use of the aircraft in Peru and Venezuela led Embraer to continue the studies. It also researched a helicopter attack version designated as the "helicopter killer" or EMB-312H. The study was stimulated by the unsuccessful bid for the
Joint Primary Aircraft Training System The Joint Primary Aircraft Training System (JPATS) was an aircraft procurement program of the United States in the 1990s by the United States Air Force and United States Navy, a merger of 1980s era training aircraft programs. The winner was dec ...
program, in which Embraer teamed with
Northrop Grumman Northrop Grumman Corporation is an American multinational aerospace and defense technology company. With 90,000 employees and an annual revenue in excess of $30 billion, it is one of the world's largest weapons manufacturers and military techn ...
. In 1991, one existing demo EMB-312 aircraft was modified as proof-of-concept prototype. The aircraft featured a 1.37-m (4.49-ft) fuselage extension with the addition of sections fore and aft of the cockpit to restore its centre of gravity and stability, a strengthened airframe, cockpit pressurization, and stretched nose to house the more powerful PT6A-67R (1.424 Shp) engine. The PT-ZTW, s/n 161, flew in September 1991. Two new prototypes EMB-312H with the PT6A-68A (1.250 Shp) engine were built in 1993. The second prototype PT-ZTV, s/n 454 (later PP-ZTV) flew for the first time in May 1993. It featured a reinforced wing skin developed for the model F, an improved glass cockpit, full pressurization system, electrical swing back canopy opening and zero-zero ejections seats. The third prototype PT(PP)-ZTF, s/n 455, flew in October 1993, as a twin of the s/n 454. The EMB-312H's design later served as a starting point for the EMB-314 Super Tucano, dubbed the ALX, and adopted by the Brazilian Air Force as the A-29.


Design

Many features of the EMB-312 became standard in later basic-training aircraft designs. It was the first turboprop trainer developed from the beginning with military jet capability. A
Martin-Baker Martin-Baker Aircraft Company Limited is a British manufacturer of ejection seats and safety-related equipment for aviation. The company's origins were originally as an aircraft manufacturer before becoming a pioneer in the field of ejection s ...
Mk8L was fitted. It was Embraer's first aircraft with
tandem Tandem, or in tandem, is an arrangement in which a team of machines, animals or people are lined up one behind another, all facing in the same direction. The original use of the term in English was in ''tandem harness'', which is used for two ...
seats designed with a raised rear seat optimized for an uninterrupted view from the rear cockpitFricker 1983, p. 7 and a frameless
bubble canopy A bubble canopy is an aircraft canopy constructed without bracing, for the purpose of providing a wider unobstructed field of view to the pilot, often providing 360° all-round visibility. The designs of bubble canopies can drastically vary; so ...
for unobstructed visibility. Major aircraft features include an automatic torque control system and the jet-like, single-lever throttle which combined both engine power and propeller pitch, assuring smooth and rapid acceleration and deceleration. The aircraft is fitted with a retractable tricycle undercarriage with steerable nosewheels, allowing a fairly large crab angle during cross-wind landing. The reverse
pitch control A variable speed pitch control (or vari-speed) is a control on an audio device such as a turntable, tape recorder, or CD player that allows the operator to deviate from a standard speed (such as 33, 45 or even 78 rpm on a turntable), resulting ...
with which the aircraft is fitted allows the constant-speed mechanism to be manually overridden to reverse the blade pitch angle, thus providing excellent ground-handling characteristics, helping to slow down the plane to shorten the landing run. This control also allows the aircraft to back up on its own during
taxiing Taxiing (rarely spelled taxying) is the movement of an aircraft on the ground, under its own power, in contrast to towing or pushback where the aircraft is moved by a tug. The aircraft usually moves on wheels, but the term also includes aircra ...
. High manoeuvrability, stability at low speeds, and four underwing pylons providing for up to of ordnance, allow the training aircraft to engage in
tactical bombing Tactical bombing is aerial bombing aimed at targets of immediate military value, such as combatants, military installations, or military equipment. This is in contrast to strategic bombing, or attacking enemy cities and factories to cripple fu ...
campaigns in low-intensity conflict or counterinsurgency environments and in counternarcotics interceptions. The type can carry up to of fuel internally; additionally, two fuel tanks of can be fitted to underwing weapon stations for extended endurance, enabling up to nine flight hours.


Operational history


Angola

The National Air Force of Angola (Força Aérea Nacional Angolana,
FANA Fana is a borough of the city of Bergen in Vestland county, Norway. The borough makes up the southeastern part of the municipality of Bergen. The borough was once part of the historic municipality of Fana which was incorporated into Bergen in ...
) received eight new AT-27s in 1998. Six more AT-27s were purchased four years later from the Peruvian Air Force. The AT-27s were assigned to carry out air strikes and surveillance missions during the
Angolan Civil War The Angolan Civil War ( pt, Guerra Civil Angolana) was a civil war in Angola, beginning in 1975 and continuing, with interludes, until 2002. The war immediately began after Angola became independent from Portugal in November 1975. The war was ...
. Two further stored EMB-312 demonstrators (s/n 055 and s/n149) were deliveredRivas and Cicalesi (2007), p. 74. to cover aircraft losses during the war.


Argentina

In June 1987, the
Argentine Air Force "Argentine Wings" , mascot = , anniversaries = 10 August (anniversary) 1 May (Baptism of fire during the Falklands War) , equipment = 139 aircraft , equipment_label = , battles = * Operation Independence * Operation Soberanía * Falklan ...
received the first batch of 15 aircraft from a total of 30 aircraft on order, and the type was assigned to replace the
Morane-Saulnier MS.760 Paris The Morane-Saulnier MS.760 Paris is a French four-seat jet trainer and liaison aircraft designed and manufactured by Morane-Saulnier. The Paris was based upon an earlier proposed trainer aircraft, the MS.755 Fleuret. Following the failure of t ...
. Based at the Military Aviation School in Cordoba, the Tucanos were used as trainer aircraft for the Joint Basic Course of Military Aviation program, producing pilots for the Argentine Air Force, Navy, and Army. In the first 25 years of its service with the Argentine Air Force, the aircraft accumulated 104,000 flight hours and trained over 800 pilots. FAdeA is developing the IA-73, a primary trainer to replace EMB-312 Tucano. The type aircraft will be relocated to the northern Argentina, where they will be armed and used for
air interdiction Air interdiction (AI), also known as deep air support (DAS), is the use of preventive tactical bombing and strafing by combat aircraft against enemy targets that are not an immediate threat, to delay, disrupt or hinder later enemy engagement of fr ...
and surveillance role.


Brazil

A total of 118 T-27s were purchased by the Brazilian Air Force (FAB) with an option for a further 50 aircraft. On 29 September 1983, the first units were delivered as an
aerobatic Aerobatics is the practice of flying maneuvers involving aircraft attitudes that are not used in conventional passenger-carrying flights. The term is a portmanteau of "aerial" and "acrobatics". Aerobatics are performed in aeroplanes and glid ...
demonstration aircraft for the FAB Demonstration Squadron, the "
Smoke Squadron The Aerial Demonstration Squadron ( pt, Esquadrão de Demonstração Aérea), popularly known as Smoke Squadron (Portuguese: ''Esquadrilha da Fumaça'') is the Brazilian Air Force's air demonstration squadron. History Its first display was on ...
" (''Esquadrilha da Fumaça''), and the first demonstration took place in December the same year. In 1990, the FAB confirmed an order of 10 units from the 50 options held from the original Tucano contract in 1980. Eventually, the FAB received the remaining 40 aircraft, raising the total number of delivered units to 168. As part of the FAB's four-year pilot-training program at the Academia da Força Aérea (AFA), the EMB-312 is flown on the last year as an advanced training vector. After flying 75 hours on the Neiva Universal basic training aircraft, the student pilots progress to fly 125 hours of advanced training on the Tucano, in which cadets learn to dominate the airplane with acrobatics, precision manoeuvring, instrumental flight, and fly-pasts.
Brazilian Naval Aviation Brazilian Naval Aviation ( pt, Aviação Naval Brasileira; AvN) is the air arm of the Brazilian Navy operating from ships and from shore installations. History The Brazilian Naval Aviation branch was organized in August 1916, after creation of ...
cadets are required to fly 100 hours on the Tucano at the AFA during the first stage of the three-year training program. According to a Brazilian Air Force brigadier, the AFA Tucanos are forecast to be withdrawn in 2022. During
Operation Traira Operation Traíra was the response of the Brazilian Armed Forces, with support from the Colombian Army, to an attack on their detachment on the bank of the Traíra River by FARC in February 1991. Background The Traíra Detachment had been es ...
in February 1991, six Tucanos were used for
close air support In military tactics, close air support (CAS) is defined as air action such as air strikes by fixed or rotary-winged aircraft against hostile targets near friendly forces and require detailed integration of each air mission with fire and moveme ...
against a group of 40 rebels from the Revolutionary Armed Forces of Colombia (
FARC The Revolutionary Armed Forces of Colombia – People's Army ( es, link=no, Fuerzas Armadas Revolucionarias de ColombiaEjército del Pueblo, FARC–EP or FARC) is a Marxist–Leninist guerrilla group involved in the continuing Colombian conflic ...
), which had seized a Brazilian military detachment. AT–27s were extensively used in the Amazon for border patrols and interception of illicit flights, jointly operating with
SIVAM The Amazon Surveillance System (SIVAM, pt, Sistema de Vigilância da Amazônia), is a complex surveillance system used for monitoring Amazônia Legal ("legal Amazon area"). This area includes the Brazilian rainforest, to curb the trafficking of ...
(Amazon Surveillance System).


Colombia

Fourteen AT-27s were ordered in 1992, and delivery of the first six units took place in December of the same year, followed by seven more units arriving later that same month. Assigned to the Combat 212 Squadron, the aircraft were initially conceived as trainers, although the type was soon additionally assigned to perform close air support and
air superiority Aerial supremacy (also air superiority) is the degree to which a side in a conflict holds control of air power over opposing forces. There are levels of control of the air in aerial warfare. Control of the air is the aerial equivalent of c ...
missions as part of counter-insurgency operations during the long-standing and brutal fight with the FARC. The type performed dozens of operations including Vuelo de Angel,
Thanatos In Greek mythology, Thanatos (; grc, Θάνατος, pronounced in "Death", from θνῄσκω ''thnēskō'' "(I) die, am dying") was the personification of death. He was a minor figure in Greek mythology, often referred to but rarely appe ...
, Fenix and Júpiter. Over 50,000 flight hours have been completed since the type's introduction without a single loss. In 1998, with Peruvian Air Force assistance,
night vision goggles A night-vision device (NVD), also known as a night optical/observation device (NOD), night-vision goggle (NVG), is an optoelectronic device that allows visualization of images in low levels of light, improving the user's night vision. The dev ...
were integrated into the aircraft to perform night missions. The war scenario led the Air Force to push the type beyond its designed horizon to overcome its operational limits and
role-playing Role-playing or roleplaying is the changing of one's behaviour to assume a role, either unconsciously to fill a social role, or consciously to act out an adopted role. While the ''Oxford English Dictionary'' offers a definition of role-playing a ...
as a real battlefield maturing test platform, providing valuable lessons which unfolded into new requirements that were implemented in the Super Tucano design. In 2011, Embraer began a three-year program to locally uprate 14 EMB-312s.Trimble (20 March 2012), p. 45 A part of the Strategic Development Plan (Plan Estratégico Institucional, or PEI) 2011–2030 designed to extend the type's lifespan by 15 years, the structural retrofit program involves fitting the airframe with new wings and landing gear. Fresh
avionics Avionics (a blend word, blend of ''aviation'' and ''electronics'') are the Electronics, electronic systems used on aircraft. Avionic systems include communications, Air navigation, navigation, the display and management of multiple systems, ...
will be installed with the up-to-date
Rockwell Collins Rockwell Collins was a multinational corporation headquartered in Cedar Rapids, Iowa, providing avionics and information technology systems and services to government agencies and aircraft manufacturers. It was formed when the Collins Radio Comp ...
Inertial Navigation System An inertial navigation system (INS) is a navigation device that uses motion sensors (accelerometers), rotation sensors ( gyroscopes) and a computer to continuously calculate by dead reckoning the position, the orientation, and the velocity (dire ...
and
ACARS In aviation, ACARS (; an acronym for Aircraft Communications Addressing and Reporting System) is a digital datalink system for transmission of short messages between aircraft and ground stations via airband radio or satellite. The protocol was des ...
), while Cobham will supply modern
multi-function display A multifunction display (MFD) is a small-screen ( CRT or LCD) surrounded by multiple soft keys (configurable buttons) that can be used to display information to the user in numerous configurable ways. MFDs originated in aviation, first in mil ...
s,
flight management system A flight management system (FMS) is a fundamental component of a modern airliner's avionics. An FMS is a specialized computer system that automates a wide variety of in-flight tasks, reducing the workload on the flight crew to the point that mode ...
s and the
engine-indicating and crew-alerting system An engine-indicating and crew-alerting system (EICAS) is an integrated system used in modern aircraft to provide aircraft flight crew with instrumentation and crew annunciations for aircraft engines and other systems. On EICAS equipped aircraft th ...
. The first prototype will be designed and produced by Embraer in Brazil, while remaining work will be completed at the Corporation of the Colombian Aeronautic Industry SA (Corporación de la Industria Aeronáutica Colombiana S.A.)


Egypt

In December 1983, a US$181 million contract was signed for 10 complete aircraft plus a further 110 aircraft in kit form. The joint Egyptian/Iraqi purchase involved an extensive technology transfer program which included the manufacturing of some aircraft parts and final assembly at Heliopolis Air Works in
Helwan Helwan ( ar, حلوان ', , cop, ϩⲁⲗⲟⲩⲁⲛ, Halouan) is a city in Egypt and part of Greater Cairo, on the bank of the Nile, opposite the ruins of Memphis. Originally a southern suburb of Cairo, it served as the capital of the now de ...
, becoming Embraer's first experience in assembling aircraft abroad. Eighty of the 110 units built in Egypt were delivered to Iraq. The first aircraft arrived in late 1984 and the first unit assembled in Egypt was delivered in 1985. An additional order for 14 aircraft was made in 1989, bringing the total to 54 Tucanos.Rivas and Cicalesi (2007), p. 75.


France

Following a world trend towards the replacement of jet trainers with lower-cost, turboprop trainers, in July 1990 the
French Air Force The French Air and Space Force (AAE) (french: Armée de l'air et de l'espace, ) is the air and space force of the French Armed Forces. It was the first military aviation force in history, formed in 1909 as the , a service arm of the French Army; ...
initially ordered 80 slightly modified variants, designated as the EMB-312F. The two-year-long negotiation deal was an offset for 36 AS365s and 16 AS350s bought by the Brazilian Army and 30 AS355 Ecureuils for the
Brazilian Navy ) , colors= Blue and white , colors_label= Colors , march= "Cisne Branco" ( en, "White Swan") (same name as training ship ''Cisne Branco'' , mascot= , equipment= 1 multipurpose aircraft carrier7 submarines6 frigates2 corvettes4 amphibious warf ...
. Two preproduction aircraft were built for a year-long evaluation process at the
General Directorate for Armament A general officer is an officer of high rank in the armies, and in some nations' air forces, space forces, and marines or naval infantry. In some usages the term "general officer" refers to a rank above colonel."general, adj. and n.". OED O ...
, the first preproduction EMB-312F flew in April 1993. The model had a ventral airbrake and a French COMM system. The total number of aircraft ordered was reduced to 50, with commissioning of the first production model taking place in 1995. The aircraft were based in Salon-de-Provence, replacing the
Fouga Magister Fouga (also known as Air Fouga) was a French manufacturing company established by Gaston Fouga at Béziers during 1920. Originally specialising in the repair of railway rolling stock, the firm eventually became most noted for the aircraft it p ...
which had provided training for Air Force students for nearly 40 years. Following the type's introduction, the Air Force training scheme began with the Socata TB 30 Epsilon, Epsilon, continued on the Tucano and culminated with the Alpha Jet for Lead-in fighter trainer#Lead-in fighter training, lead-in fighter training. After 15 years in service, the French Tucano fleet was withdrawn on 22 July 2009, despite the fact that most aircraft had only reached half of their potential operational life.


Honduras

Honduras, the Tucano's first foreign customer, purchased the type to replace the North American T-28 Trojan. Twelve EMB-312s were received between 1982 and 1983.Rivas and Cicalesi (2007), p. 76. The aircraft are used for both advanced training and patrolling Honduran airspace for illegal flights. On 14 April 2003, the type was used to shoot down an Aero Commander 500 with machine gun pods. The two Colombian occupants died during the crash, while of cocaine were collected from the wreckage. In August 2010, a Piper PA-34 Seneca, Piper Seneca aircraft coming from Colombia was tracked down by an AT-27. Five criminals were arrested and of cocaine were seized. Three months later, a Tucano was used to intercept an aircraft with of cocaine. In February 2012, the military of Honduras and Embraer began a study of the aging AT-27 cells for a possible reconditioning program. Later on that month, the Honduras defence minister disclosed that the reconditioning of six aircraft would cost US$10 million. In May of the same year, a Tucano intercepted an aircraft from which of cocaine were seized. In the following month, a Honduran Tucano shot down a drug-smuggling, twin-engined prop Cessna over the Bay Islands Department, Bay Islands, killing the two occupants, including an undercover Drug Enforcement Administration, DEA agent. Honduran law does not permit shooting down illegal flights, so the event led to the dismissal of the Honduran general who ordered the attack.


Iran

Iran received 25 aircraft between 1989 and 1991. Between 2000 and 2001, the IRGC used Tucanos against Taliban positions and in drug-busting operations in the eastern Iranian borders.


Iraq

Iraq bought 80 aircraft produced under license by Helwan, with deliveries being completed in 1987. Following the end of the Gulf War, Gulf and Iraq wars, Iraq had no EMB-312 in its inventory.


Mauritania

In 2011, the Islamic Air Force of Mauritania received pilot training from the French Air Force and four ex-French EMB-312Fs, which still had two-thirds of their structural life, were delivered. The aircraft underwent a complete overhaul before being delivered, receiving wing hard points for gun pods and new radios. The type is based at Atar, Mauritania, Atar in the northwest of the country, where they are used in attack missions against Al-Qaeda Organization in the Islamic Maghreb (AQIM) guerrillas. In March 2012, Mauritanian EMB-312Fs intruded into Mali air space while attacking AQIM terrorist targets inside Mali; the two countries are cooperating in military action against these terrorists.


Paraguay

Paraguay received six aircraft in 1987.Rivas and Cicalesi (2007), p. 77. Six more were purchased in the late 1990s, but the deal fell through, and these machines ended up being the second batch sold to Angola. On 29 December 2010, three used ex-Brazilian aircraft were exchanged for four EMB-326GB (Xavante) trainer aircraft and one Boeing-707 transport aircraft. In 2011, the Paraguayan Tucanos with assistance from the Brazilian Air Force, went through a complete engine overhaul. The 3o Escuadrón de caza "Moros" in Asunción operates the Tucanos in counter-insurgency missions, forming the squads "Gamma" and "Omega" since 1996. In April 2011, Paraguayan Tucano fitted with 20 mm autocannon gun pods and ferry tanks were deployed at Mariscal Estigarribia Air Base to monitor illicit flights entering Paraguayan airspace from Bolivia.


Peru

In 1986, Peru ordered 20 Tucanos to replace the Cessna T-37 Tweet. Deliveries to the Peruvian Air Force commenced in April 1987 at the rate of two units per month; the last delivery took place in November 1987. In 1991, an additional 10 Tucanos were purchased for antidrug operations, reaching a total of 30 aircraft, although six of them were resold to Angola in 2002.Rivas and Cicalesi (2007), pp. 77–78. The first EMB-312s took part in the ''Escuadrón de Instrucción básica'' No. 512 from the Air Academy as part of the ''Grupo de Entrenamiento'' 51 based at Las Palmas – Lima. Another squadron of EMB-312s was assigned to ''Escuadrón Aéreo Táctico'' No. 514.Alfonzo (2003), p. 6 The first aircraft were painted in orange and white for trainers and gradually replaced by jungle camouflage, while a few were painted dark gray for night missions. Most of these aircraft were adorned with an aggressive shark's mouth. The aircraft cockpit was later modified to suit night-vision goggles and forward-looking infrared sensors for night operations. Since 1991, the FAP Tucanos were actively involved in ground attack operations over the Cenepa River on drug-busting operations, shooting down over 65 planes and performing attacks on several illicit ships. Between 1992 and 2001, the Air Bridge Denial Program provided intelligence for the Air Force in counter-drug operations; during the program, at least nine civilian aircraft were shot down by AT-27s. During the Cenepa War, loaded with four Mk.82 bombs and equipped with night-vision goggles, a fleet of Tucanos carried out a night bomber raid targeting Ecuadorian forces over the Cordillera del Cóndor at dawn on 5 February 1995. The aircraft were part of the 2002 Quiñones Plan, which was implemented in 2007 and aimed at putting unserviceable equipment back into service. In March 2012, the Peruvian Air Force was considering an option to modernize 20 EMB-312s in a program jointly conducted by the Brazilian Air Force and Embraer under a wide-ranging defence agreement signed with the Brazilian defence ministry.


Venezuela

On 14 July 1986, the Venezuelan Air Force received the first four Embraer EMB-312 Tucano AT/T-27s from an order of 30 aircraft that was worth US$50 million. A year later, the remaining aircraft were delivered, divided into two variants: 18 T-27s for training purposes and 12 AT-27s for tactical support. The Tucanos were assigned to Grupo 14 at the Escuadrón de Entrenamiento No. 142 "Escorpiones" based in Maracay, to the Grupo 13 at the Escuadrón de Operaciones Especiales No. 131 "Zorros" based in Barcelona (Venezuela), Barcelona, and Grupo de Operaciones Especiales No. 15 at the Escuadrón No.152 "Avispones" based in Maracaibo. The AT-27s, along with the OV-10 Broncos, were actively involved in many antiguerrilla, antinarcotic, and antikidnapping campaigns close to the Colombian borders.Alfonzo 2003, p. 10 On 27 November 1992, the aircraft were used by Mutiny, mutineering officers who staged a ''1992 Venezuelan coup d'état attempts, coup d'état'' against President Carlos Andrés Pérez. The rebels dropped bombs and launched rockets against police and government buildings in Caracas. One EMB-312 and two OV-10 Broncos were shot down during the uprising by General Dynamics F-16 Fighting Falcon, F-16s flown by loyalist pilots. A lot of 12 is scheduled to be refurbished in Venezuela as of 2013.


Variants


EMB-312A

The standard production model with fatigue life of 8,000 hours: * Tucano YT-27
Pre-series prototypes * Tucano T-27
Two-seat basic-training variant * Tucano AT-27
Two-seat light-attack variant


EMB-312F

An uprated version built for the French Air Force, the EMB-312F is equipped with Telecommunications Electronique Aeronautique et Maritime (TEAM SA, part of Cobham plc) avionics, Thomson-CSF (now Thales Group) Air navigation#Navigation aids, navigation aids, increased fatigue life, propeller and canopy de-icing system and a ventral Air brake (aircraft), airbrake. The first EMB-312F flew on 7 April 1993.


EMB-312S

Also known as the
Short Tucano The Short Tucano is a two-seat turboprop basic trainer built by Short Brothers in Belfast, Northern Ireland. It is a licence-built version of the Brazilian Embraer EMB 312 Tucano. On 14 February 1986, the prototype conducted its maiden flig ...
, the EMB-312S is an uprated, licence-produced trainer version built at Short Brothers of Belfast in Northern Ireland for the
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) and ...
and licensed for export. The type features a more powerful Honeywell 820 kW (1,100 shp) Garrett TPE331-12B engine with four-blade, variable-pitch propeller,Taylor 1999, p. 299 custom avionics, structural strengthening expanding fatigue life to 12,000hr, two-piece canopy for better bird strike proofing, pressurized cabin, a ventral airbrake, aerodynamic changes to the wing, better wheel brakes, and an optional armament capability. * Tucano T.1
Original version of the Short Tucano used by the RAF. * Tucano Mk.51
Export variant for Kenya Air Force. * Tucano Mk.52
Export variant for Kuwait Air Force.


EMB-312G1

A prototype built in 1986 with Garrett engine


EMB-312H

A Northrop/Embraer developed prototype for United States Air Force, USAF (JPATS) competition for an advanced trainer, from which derived the Embraer EMB-314 Super Tucano, EMB-314 Super Tucano (ALX) now in production for FAB.


Operators

; * National Air Force of Angola – 13 EMB-312 ; *
Argentine Air Force "Argentine Wings" , mascot = , anniversaries = 10 August (anniversary) 1 May (Baptism of fire during the Falklands War) , equipment = 139 aircraft , equipment_label = , battles = * Operation Independence * Operation Soberanía * Falklan ...
– 14 EMB-312 ** Escuela de Aviación Militar (EAM) at Cordoba. ; *
Brazilian Air Force "Wings that protect the country" , colours = , colours_label = , march = Hino dos Aviadores , mascot = , anniversaries = 22 May (anniver ...
– 102 EMB-312 **
Smoke Squadron The Aerial Demonstration Squadron ( pt, Esquadrão de Demonstração Aérea), popularly known as Smoke Squadron (Portuguese: ''Esquadrilha da Fumaça'') is the Brazilian Air Force's air demonstration squadron. History Its first display was on ...
(EDA) ** Brazilian Air Force Academy (Academia da Força Aérea) (AFA) ** First Squadron of the Fourteenth Aviation Group (1º/14º GAv) Esquadrão "Pampa" at Canoas Air Force Base, Canoas ** Second Squadron of the Fourteenth Aviation Group (2º/14º GAv) at Canoas Air Force Base, Canoas ** First Squadron of the First Aviation Group (1°/1° GAv) Esquadrão "Jambock" at Santa Cruz Air Force Base, Santa Cruz ** Second Squadron of the First Aviation Group (2°/1° GAv) Esquadrão "Pif-Faf" at Santa Cruz Air Force Base, Santa Cruz ** Third Squadron of the Third Aviation Group (3º/3º GAV) Esquadrão "Flecha" at :pt:Base Aérea de Campo Grande, Campo Grande ** Seventh Regional Air Command HQ Flight at Base Aérea de Boa Vista, Boa Vista ** Seventh Regional Air Command HQ Flight at Porto Velho Air Force Base, Porto Velho ** Fifth Regional Air Command HQ Flight at Natal Air Force Base, Natal ; * Central African Republic Air Force – 2 EMB-312 ; * Colombian Air Force – 14 EMB-312 ** Escuadrón de Combate 212 at Apiay ; * Egyptian Air Force – 54 EMB-312 ** 117 Basic Training Brigade at Bilbeis *** 83 Squadron *** 84 Squadron ; * Honduran Air Force – 2 EMB-312, with 3 more on order. ** Escuela de Aviacion Militar (EAM) ; * IRGC Air Force – 15 EMB-312 ; * Kenya Air Force – 12 Tucano T51 ''(see
Short Tucano The Short Tucano is a two-seat turboprop basic trainer built by Short Brothers in Belfast, Northern Ireland. It is a licence-built version of the Brazilian Embraer EMB 312 Tucano. On 14 February 1986, the prototype conducted its maiden flig ...
)''. ; * Kuwait Air Force – 12 Tucano T52 ''(see
Short Tucano The Short Tucano is a two-seat turboprop basic trainer built by Short Brothers in Belfast, Northern Ireland. It is a licence-built version of the Brazilian Embraer EMB 312 Tucano. On 14 February 1986, the prototype conducted its maiden flig ...
)''. ; * Mauritanian Air Force – 5 EMB-312F ** Ecole Militaire Inter Armes (EMIA) at Atar, Mauritania, Atar ; * Mozambique Defence Armed Forces, Mozambique Air Force – 3 EMB-312 donated by Brazil ; * Military of Paraguay, Paraguayan Air Force – 6 EMB-312. ** 3 Escuadrón de Roconocimento y Ataque "Moros" *** Escuadrilla Gama *** Escuadrilla Omega ; * Peruvian Air Force – 17 EMB-312. ** Escuadrón Aereo de Instrución 512 ** Escuadrón Aereo de Instrución 514 ; * Venezuelan Air Force – 19 EMB-312 ** Escuadrón 131 ** Escuadrón 141 ** Escuadrón 142 ** Escuadrón 152


Former operators

; *
French Air Force The French Air and Space Force (AAE) (french: Armée de l'air et de l'espace, ) is the air and space force of the French Armed Forces. It was the first military aviation force in history, formed in 1909 as the , a service arm of the French Army; ...
: 50 EMB-312F from 1995 to 2009, 20 in 2007. ** Flying School at Salon-de-Provence Air Base * Centre d'essais en vol * Centre d'Études et d'Armement de Mulhouse ; * Iraqi Air Force : 80 EMB-312 delivered between 1985 and 1988 ; *
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) and ...
– 39 Tucano T1 ''(see
Short Tucano The Short Tucano is a two-seat turboprop basic trainer built by Short Brothers in Belfast, Northern Ireland. It is a licence-built version of the Brazilian Embraer EMB 312 Tucano. On 14 February 1986, the prototype conducted its maiden flig ...
)''.


Aircraft on display

The Embraer EMB 312F Serial number, MSN 312496, a former aircraft of the French Air Force, ''Armée de l'Air'' is on display in ''Musée de l'air et de l'espace'' from 2014 in a typical French livery. The Embraer EMB 312F MSN 312499, is on display at the Musée Européen de l'Aviation de Chasse d'Ancône. Short/Embraer EMB 312S prototype MSN 312007 G-BTUC (ex PP-ZTC) is on display a
Ulster Aviation Collection
Long Kesh airfield near Belfast


Specifications (standard EMB 312)


See also


References


Notes


Bibliography

* ; * ; * ; * ; * ; * ; * ; * ; * ; * ;


External links








Tucano photos at airliners.net


{{DEFAULTSORT:Embraer Emb 312 Tucano 1980s Brazilian military trainer aircraft Embraer aircraft Single-engined tractor aircraft Low-wing aircraft Single-engined turboprop aircraft Articles containing video clips Aircraft first flown in 1980