General Dynamics F-111C
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The General Dynamics F-111C (nicknamed "Pig") is a variant of the
F-111 Aardvark The General Dynamics F-111 Aardvark is a retired supersonic, medium-range, multirole combat aircraft. Production variants of the F-111 had roles that included ground attack (e.g. interdiction), strategic bombing (including nuclear weapons ca ...
medium-range
interdictor An interdictor is a type of attack aircraft that operates far behind enemy lines, with the express intent of air interdiction of the enemy's military targets, most notably those involved in logistics. Interdiction prevents or delays enemy f ...
and tactical strike aircraft, developed by
General Dynamics General Dynamics Corporation (GD) is an American publicly traded, aerospace and defense corporation headquartered in Reston, Virginia. As of 2020, it was the fifth-largest defense contractor in the world by arms sales, and 5th largest in the Uni ...
to meet Australian requirements. The design was based on the F-111A model but included longer wings and strengthened undercarriage. The Australian government ordered 24 F-111Cs to equip the
Royal Australian Air Force "Through Adversity to the Stars" , colours = , colours_label = , march = , mascot = , anniversaries = RAAF Anniversary Commemoration ...
(RAAF) in 1963, but the aircraft were not delivered until 1973 because of long-running technical problems. During 1979 and 1980 four of these aircraft were converted to the RF-111C reconnaissance variant. Four ex–
United States Air Force The United States Air Force (USAF) is the air service branch of the United States Armed Forces, and is one of the eight uniformed services of the United States. Originally created on 1 August 1907, as a part of the United States Army Si ...
(USAF) F-111As were purchased by Australia and converted to F-111C standard in 1982 to replace F-111Cs destroyed during accidents. Australia also operated 15 F-111Gs between 1993 and 2007, mainly for conversion training. The RAAF retired its remaining F-111Cs in December 2010. In Australian military and aviation circles, the F-111 Aardvark was affectionately known as the "Pig", due to its long snout and terrain-following ability. The F-111Cs gave the RAAF a powerful strike capability but were never used in combat. The aircraft went through modernisation programs in the 1980s and 1990s, and the RAAF acquired improved weapons to maintain their ability to penetrate hostile airspace. Despite this, by the 2000s the F-111Cs were becoming outdated and expensive to maintain, leading to a decision to retire them in 2010 rather than 2020 as originally planned. The F-111s were replaced by 24
Boeing F/A-18F Super Hornet The Boeing F/A-18E and F/A-18F Super Hornet are twin-engine, carrier-capable, multirole fighter aircraft variants based on the McDonnell Douglas F/A-18 Hornet. The F/A-18E single-seat and F/A-18F tandem-seat variants are larger and more adv ...
s pending delivery of
F-35 Lightning II The Lockheed Martin F-35 Lightning II is an American family of single-seat, single-engine, all-weather stealth multirole combat aircraft that is intended to perform both air superiority and strike missions. It is also able to provide elect ...
s in development.


Development


Background

In June 1960, the
United States Air Force The United States Air Force (USAF) is the air service branch of the United States Armed Forces, and is one of the eight uniformed services of the United States. Originally created on 1 August 1907, as a part of the United States Army Si ...
(USAF) issued a requirement for an
F-105 Thunderchief The Republic F-105 Thunderchief is an American supersonic fighter-bomber that served with the United States Air Force from 1958 to 1984. Capable of Mach 2, it conducted the majority of strike bombing missions during the early years of the Viet ...
replacement.Wilson 1989, p. 129. The U.S. Navy began a program to develop a new air defence fighter for use on its large aircraft carriers. On 14 February 1961, newly appointed
United States Secretary of Defense The United States secretary of defense (SecDef) is the head of the United States Department of Defense, the executive department of the U.S. Armed Forces, and is a high ranking member of the federal cabinet. DoDD 5100.1: Enclosure 2: a The se ...
Robert McNamara Robert Strange McNamara (; June 9, 1916 – July 6, 2009) was an American business executive and the eighth United States Secretary of Defense, serving from 1961 to 1968 under Presidents John F. Kennedy and Lyndon B. Johnson. He remains the ...
formally directed that the services study the development of a single aircraft that would satisfy both requirements.Gunston 1978, pp. 8–17. The Tactical Fighter Experimental (TFX) requirements were based largely on the Air Force's needs.Miller 1982, pp. 11–15. A request for proposals (RFP) for the TFX was provided to industry in October 1961. After four rounds of proposals,
General Dynamics General Dynamics Corporation (GD) is an American publicly traded, aerospace and defense corporation headquartered in Reston, Virginia. As of 2020, it was the fifth-largest defense contractor in the world by arms sales, and 5th largest in the Uni ...
(GD) was selected over
Boeing The Boeing Company () is an American multinational corporation that designs, manufactures, and sells airplanes, rotorcraft, rockets, satellites, telecommunications equipment, and missiles worldwide. The company also provides leasing and ...
; GD signed the TFX contract in December 1962.Gunston 1978, pp. 18–20. The USAF F-111A and Navy F-111B variants used the same airframe structural components and TF30-P-1 turbofan engines. They featured side-by-side crew seating in an escape capsule, as required by the Navy. Because of conflict between the Air Force and Navy over whose requirements had precedence, McNamara intervened in 1961, declaring that the Air Force desires would override suggestions by the Navy. The F-111A variant first flew on 21 December 1964 from Carswell AFB, Texas.Eden 2004, p. 197. It was followed by the F-111B, which first flew on 18 May 1965. As F-111 development continued, stall issues arose in certain parts of the flight regime; these were addressed by modifying the engine inlet in 1965–66, ending with the "Triple Plow I" and "Triple Plow II" designs.Gunston 1978, pp. 25–27. The F-111B was cancelled by the Navy in 1968 due to weight and performance deficiencies. The improved F-111E, F-111D, F-111F models were subsequently developed for the USAF. The FB-111A strategic bomber and the EF-111 electronic warfare versions were also later developed for the USAF. Production ended in 1976,Miller 1982, p. 65. with a total of 563 F-111s of all variants built,Logan 1998, p. 9. well below the prediction of 1,500.


Replacing the Canberra

The Menzies government first publicly discussed the need for replacing the
English Electric Canberra The English Electric Canberra is a British first-generation, jet-powered medium bomber. It was developed by English Electric during the mid- to late 1940s in response to a 1944 Air Ministry requirement for a successor to the wartime de Havil ...
in 1954, only a year after the RAAF began receiving the bomber. The non-supersonic Canberra lacked radar and
electronic countermeasures An electronic countermeasure (ECM) is an electrical or electronic device designed to trick or deceive radar, sonar, or other detection systems, like infrared (IR) or lasers. It may be used both offensively and defensively to deny targeting info ...
, all disadvantages based on
Korean War {{Infobox military conflict , conflict = Korean War , partof = the Cold War and the Korean conflict , image = Korean War Montage 2.png , image_size = 300px , caption = Clockwise from top:{ ...
experience. The RAAF believed that it needed a new strategic bomber to fulfill the nation's obligations to the
Commonwealth Strategic Reserve The British Commonwealth Far East Strategic Reserve (commonly referred to as the ''Far East Strategic Reserve'' or the ''FESR'') was a joint military force of the British, Australian, and New Zealand armed forces. Created in the 1950s and based in ...
in
Malaysia Malaysia ( ; ) is a country in Southeast Asia. The federal constitutional monarchy consists of thirteen states and three federal territories, separated by the South China Sea into two regions: Peninsular Malaysia and Borneo's East Mal ...
,
ANZUS The Australia, New Zealand, United States Security Treaty (ANZUS or ANZUS Treaty) is a 1951 non-binding collective security agreement between Australia and New Zealand and, separately, Australia and the United States, to co-operate on milita ...
, and SEATO. Air Staff Requirement 36 that year mandated an all-weather attack aircraft by 1959 capable of delivering a variety of bombs and missiles. A study recommended one of the British
V bomber The "V bombers" were the Royal Air Force (RAF) aircraft during the 1950s and 1960s that comprised the United Kingdom's strategic nuclear strike force known officially as the V force or Bomber Command Main Force. The three models of strategic ...
s, but Prime Minister
Robert Menzies The name Robert is an ancient Germanic given name, from Proto-Germanic "fame" and "bright" (''Hrōþiberhtaz''). Compare Old Dutch ''Robrecht'' and Old High German ''Hrodebert'' (a compound of '' Hruod'' ( non, Hróðr) "fame, glory, honou ...
'
Minister of Defence A defence minister or minister of defence is a cabinet official position in charge of a ministry of defense, which regulates the armed forces in sovereign states. The role of a defence minister varies considerably from country to country; in som ...
Frederick Shedden decided in 1956 that at £1 million each they were too expensive.Lax 2010, pp. 9–10, 13–14. Air Marshal Valston Hancock, Chief of the Air Staff, stated in April 1960 that Australia needed a replacement for the Canberra.Weisbrod 1969, pp. 7–27. Although in mid-1962 the Menzies government again decided to not replace the Canberra,
Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Gui ...
's increasingly aggressive statements regarding Malaysia soon caused Australia to reevaluate the decision. ''
The Sydney Morning Herald ''The Sydney Morning Herald'' (''SMH'') is a daily compact newspaper published in Sydney, New South Wales, Australia, and owned by Nine. Founded in 1831 as the ''Sydney Herald'', the ''Herald'' is the oldest continuously published newspaper ...
'' reported in October 1962 that the
Indonesian Air Force The Indonesian Air Force ( id, Tentara Nasional Indonesia Angkatan Udara (TNI-AU), literally "''Indonesian National Military-Air Force''") sometimes shortened as IDAF / IdAF, is the aerial branch of the Indonesian National Armed Forces. The I ...
's Soviet
Tupolev Tu-16 The Tupolev Tu-16 (NATO reporting name: Badger) is a twin-engined jet strategic heavy bomber used by the Soviet Union. It has been flown for almost 70 years, and the Chinese license-built Xian H-6 remains in service with the People's Liberation ...
bombers could reach
Sydney Sydney ( ) is the capital city of the state of New South Wales, and the most populous city in both Australia and Oceania. Located on Australia's east coast, the metropolis surrounds Sydney Harbour and extends about towards the Blue Mounta ...
or any other Australian city with a light bomb load, while the Canberras could not fly in all weather and had a range of , insufficient to reach
Jakarta Jakarta (; , bew, Jakarte), officially the Special Capital Region of Jakarta ( id, Daerah Khusus Ibukota Jakarta) is the capital city, capital and list of Indonesian cities by population, largest city of Indonesia. Lying on the northwest coa ...
. The opposition Labor Party, led by
Arthur Calwell Arthur Augustus Calwell (28 August 1896 – 8 July 1973) was an Australian politician who served as the leader of the Labor Party from 1960 to 1967. He led the party to three federal elections. Calwell grew up in Melbourne and attended St J ...
, used the report to criticize Menzies. The government denied that the Tu-16 could reach Sydney,Lax 2010, p. 15. but Minister for Air Frederick Osborne acknowledged that the Canberras were "the weakest link in our armoury at the present moment". He stated, however, that the available foreign bombers were unsuitable for the RAAF. The American
Boeing B-52 Stratofortress The Boeing B-52 Stratofortress is an American long-range, subsonic, jet-powered strategic bomber. The B-52 was designed and built by Boeing, which has continued to provide support and upgrades. It has been operated by the United States Air ...
and
Convair B-58 Hustler The Convair B-58 Hustler, designed and produced by American aircraft manufacturer Convair, was the first operational bomber capable of Mach 2 flight. The B-58 was developed during the 1950s for the United States Air Force (USAF) Strategic Air ...
, for example, were too large for existing Australian runways. More suitable aircraft such as the British
BAC TSR-2 The British Aircraft Corporation TSR-2 is a cancelled Cold War strike and reconnaissance aircraft developed by the British Aircraft Corporation (BAC), for the Royal Air Force (RAF) in the late 1950s and early 1960s. The TSR-2 was designed ...
and the American TFX (later the F-111) would soon be available, Osborne said.


Hancock study

In May 1963 Menzies announced an 200 million increase in defence spending over the next five years, and proposed to send a team led by Hancock overseas to evaluate Canberra replacements. Early candidates were the French
Dassault Mirage IV The Dassault Mirage IV was a French supersonic strategic bomber and deep- reconnaissance aircraft. Developed by Dassault Aviation, the aircraft entered service with the French Air Force in October 1964. For many years it was a vital part of t ...
, the TSR-2, and the U.S.
North American A-5 Vigilante The North American A-5 Vigilante was an American carrier-based supersonic bomber designed and built by North American Aviation (NAA) for the United States Navy. Prior to 1962 unification of Navy and Air Force designations, it was designated t ...
,
McDonnell Douglas F-4 Phantom II The McDonnell Douglas F-4 Phantom II is an American tandem two-seat, twin-engine, all-weather, long-range supersonic jet interceptor and fighter-bomber originally developed by McDonnell Aircraft for the United States Navy.Swanborough and B ...
and the TFX.Wilson 1989, p. 146. From June to August, Hancock's team visited France, Britain and the United States to evaluate the competitors, and determined that the TFX would be the aircraft best suited for the role. The Mirage IV had insufficient range and the A£108 million price was too expensive. The F-4 and the A-5 were immediately available, but the less expensive F-4 would need air-to-air refueling to reach Indonesia from Australia. The TSR-2 was behind schedule and over budget, was the most expensive at A£122 million for 24 aircraft, and British government support for the program was uncertain. While the TFX was also controversial in the United States, its promised performance specifications and per-aircraft cost were superior to that of the TSR-2. As he did not expect TFX to be available before 1970, however, Hancock recommended buying 36 A-5 aircraft for A£88 million to counteract the perceived imminent threat from Indonesia. The Menzies government was reluctant to choose as interim replacement the A-5 or the F-4, which could not be deployed until 1966 and would cost A$120–180 million. Waiting for the TSR-2 or TFX in 1969 or 1970 seemed to pose great risk, but when considering Hancock's findings in September 1963 it wanted to be able to offer a substantial response to the Labor party's criticism of its defence strategy. The British and American governments competed on behalf of their nations' unbuilt bombers, as both believed that export sales would increase domestic support for the aircraft. The Menzies government viewed the British promise to deploy a squadron of V bombers in Australia for interim defense until the TSR-2 was ready as unacceptable for both technical and political reasons. Beyond its cost, 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) an ...
had not ordered the TSR-2; the Chief of the Defence Staff
Lord Louis Mountbatten Louis Francis Albert Victor Nicholas Mountbatten, 1st Earl Mountbatten of Burma (25 June 1900 – 27 August 1979) was a British naval officer, colonial administrator and close relative of the British royal family. Mountbatten, who was of German ...
, who opposed it, advised the Australians against buying the aircraft and the RAAF feared being the only customer.


Decision

The government determined that it did not need to go ahead with an immediate replacement for the Canberra and preferred Hancock's original choice of the TFX as a long-term solution, leading to the Menzies government's announcement on 24 October that it was ordering 24 F-111sStephens, ''The Royal Australian Air Force'', pp. 283–286. for US$125 million, enough for two squadrons. The announcement came during the campaigning for the 1963 general election. Calwell's Labor party had on 22 October reiterated its pre-campaign promise that it would replace the Canberras as soon as it formed a government. The government's announcement, and the consequent improvement of its chances against Labor, likely also benefited the United States; the purchase helped rebut American critics of the TFX, and the
Kennedy administration John F. Kennedy's tenure as the 35th president of the United States, began with his inauguration on January 20, 1961, and ended with his assassination on November 22, 1963. A Democrat from Massachusetts, he took office following the 1960 ...
preferred Menzies' defence policies to the opposition's. The contract was signed the following year through the U.S. Department of Defense. The British government's cancellation of the TSR-2 in April 1965 showed that Australia's decision to not order it was correct.


Procurement, delays, and renaming

The U.S. offered two squadrons of
Boeing B-47 Stratojet The Boeing B-47 Stratojet (Boeing company designation Model 450) is a retired American long- range, six-engined, turbojet-powered strategic bomber designed to fly at high subsonic speed and at high altitude to avoid enemy interceptor aircraft ...
s for free lease pending the delivery of the F-111; Australia declined the offer in June 1964—despite the aircraft having been demonstrated around the country just before the 1963 election as an interim Canberra replacement, likely another sign of the American preference for Menzies— because the B-47 did not offer significant improvements over the Canberra and, like the V bombers, would require longer runways. The immensely complex and ambitious F-111 design and construction process forced the Australian government to quickly adopt sophisticated American procurement and project management methods. Although Australia originally planned to buy the American F-111A design, RAAF liaison officers requested country-specific changes such as a long-distance radio, Aeronautical Research Laboratories in Melbourne participated in an intake redesign and provided metal fatigue expertise, and an Australian test pilot evaluated the Australian version's longer wings and performance in tropical conditions. The differences from the F-111A caused it to be designated the F-111C in 1966.


Delivery

The first F-111C was officially delivered in 1968, finally giving Australia an aircraft that could fly to Jakarta, drop bombs, and return without refueling. (The RAAF only acquired air-to-air refueling for the F/A-18, possibly to avoid causing difficulties with other Asian countries by increasing the F-111C's already great range.) Training began in 1967, with RAAF personnel seeing
terrain-following radar Terrain-following radar (TFR) is a military aerospace technology that allows a very-low-flying aircraft to automatically maintain a relatively constant altitude above ground level and therefore make detection by enemy radar more difficult. It is ...
and other sophisticated equipment for the first time. However, development delays and structural problems delayed acceptance of aircraft by the RAAF until 1973.Logan 1998, p. 261. These issues were mainly to do with the wing attach points, and the redesign of the F-111 engine intakes. Completion of contractual requirements to the satisfaction of Australia also took time, damaging the morale of the hundreds of trained RAAF personnel who had little to do. The program costs, during 1963–1967, grew at an alarming rate; estimates by the USAF at the start of the program was placed at US$124.5 million, but by April 1967 had risen to $237.75 million. While the initial price of US$5.21 million per aircraft was capped at US$5.95 million, R&D, labor, and other costs were not. The rising price, three unexplained losses of USAF F-111As in Vietnam during their first month of deployment, and the British and U.S. Navy's orders' cancellations caused further controversy in Australia during 1968. By 1973, however, when the F-111A had accumulated 250,000 flight hours, it had the best safety record among contemporary aircraft, which presaged the F-111C's own excellent record. Four aircraft were modified to RF-111C reconnaissance configuration during 1979–80, retaining their strike capability. The RF-111C carried a reconnaissance pack with four cameras and an infrared linescanner unit.Logan 1998, pp. 261–262. Four ex-USAF F-111As were refitted to F-111C standard and delivered to Australia as attrition replacements in 1982.Logan 1998, p. 263. There F-111Cs were equipped to carry Pave Tack FLIR/laser pods in the mid-1980s. They underwent an extensive Avionics Upgrade Program through 1998. Under this program, the F-111C was upgraded to digital avionics. This included twin mission computers, modern digital databus, digital weapon management system, new AN/APQ-171 terrain-following radar, new AN/APQ-169 attack radar, and twin ring-laser gyro
INS INS or Ins or ''variant'', may refer to: Places * Ins, Switzerland, a municipality * Creech Air Force Base (IATA airport code INS) * Indonesia, ITF and UNDP code INS Biology *'' Ins'', a New World genus of bee flies * INS, the gene for the insulin ...
. In late 2001, wing fatigue problems were discovered in one of the F-111C fleet. As a result, a decision was made in May 2002 to replace the wings with spares taken from ex-USAF F-111Fs stored at the Aerospace Maintenance and Regeneration Center (AMARC). The short span wings underwent a refurbishment in Australia, which included extending the span, in effect making the wings the same as the F-111C and F-111G models. Following the Avionics Upgrade Program, Australian F-111s received weapons system and various other upgrades.


Design

The F-111 was an all-weather attack aircraft capable of low-level penetration of enemy defences to deliver ordnance on the target. It featured variable geometry wings, an internal weapons bay and a cockpit with side-by-side seating. The cockpit formed part of an
escape crew capsule An escape crew capsule is an escape capsule that allows one or more occupants of an aircraft or spacecraft to escape from the craft while it is subjected to extreme conditions, such as high speed or altitude. The occupant remains encapsulated a ...
.Eden 2004, pp. 196–201. The F-111 had a three-point undercarriage arrangement with a two-wheel nose gear and two single-wheel main undercarriage.Miller 1982, pp. 80–81.Logan 1998, p. 19. Most F-111 variants included a terrain-following radar system connected to the autopilot. The aircraft were powered by two
Pratt & Whitney TF30 The Pratt & Whitney TF30 (company designation JTF10A) is a military low-bypass turbofan engine originally designed by Pratt & Whitney for the subsonic F6D Missileer fleet defense fighter, but this project was cancelled. It was later adapted with ...
afterburning turbofan engines.Logan 1998, p. 14. The F-111's internal weapons bay could also carry bombs, a removable 20 mm M61 cannon, or auxiliary fuel tanks.Logan 1998, pp. 20, 21, 28.Gunston 1983, pp. 30–31. The F-111C was equipped to carry the AN/AVQ-26 Pave Tack targeting system on a rotating carriage that kept the pod protected within the weapons bay when not in use. Pave Tack is a
FLIR Forward-looking infrared (FLIR) cameras, typically used on military and civilian aircraft, use a thermographic camera that senses infrared radiation. The sensors installed in forward-looking infrared cameras, as well as those of other thermal ...
and
laser rangefinder A laser rangefinder, also known as a laser telemeter, is a rangefinder that uses a laser beam to determine the distance to an object. The most common form of laser rangefinder operates on the time of flight principle by sending a laser pulse in ...
/ designator that allowed the F-111 to designate targets and drop
laser-guided bomb A laser-guided bomb (LGB) is a guided bomb that uses semi-active laser guidance to strike a designated target with greater accuracy than an unguided bomb. First developed by the United States during the Vietnam War, laser-guided bombs quickly pr ...
s on them. RF-111Cs carried a pallet of sensors and cameras for reconnaissance use.Miller 1982, p. 31. F-111Cs were also equipped to launch the AGM-84 Harpoon
anti-ship missile An anti-ship missile (AShM) is a guided missile that is designed for use against ships and large boats. Most anti-ship missiles are of the sea skimming variety, and many use a combination of inertial guidance and active radar homing. A goo ...
and the
AGM-142 Popeye Popeye (Hebrew: פופאי) is a family of air-to-surface missiles developed and in use by Israel, of which several types have been developed for Israeli and export users. A long-range submarine-launched cruise missile variant of the Popeye Turbo ...
stand-off missile.Logan 1998, p. 28.


Operational history


Entry into service

The Australian government ordered 24 F-111C aircraft to replace the RAAF's Canberras in the bombing and tactical strike role.Gunston 1978, p. 62. While the first aircraft was officially handed over on 4 September 1968, structural issues delayed the entry into service of the F-111C. Twenty-four USAF F-4 Phantom IIs were leased as an interim measure. The Phantoms were delivered in September and October 1970 to No. 82 Wing at RAAF Base Amberley, Queensland. During its next three years in RAAF service, one F-4 was lost. By June 1973, the remaining 23 Phantoms were returned to the U.S. Like the F-111, the F-4 was a two-seat, multi-role, supersonic aircraft. Much more sophisticated than the Canberra, capable of air-to-air and air-to-ground attack roles; it had inertial navigation, a gun and radar. Experience with the F-4 likely contributed to the RAAF's success with the F-111. The RAAF proposed keeping the F-4 and using it with the F-111, but the government decided that the cost was too great. The F-111C entered Australian service after the technical problems were resolved, and the first F-111C was accepted at
Nellis Air Force Base Nellis Air Force Base ("Nellis" colloq.) is a United States Air Force installation in southern Nevada. Nellis hosts air combat exercises such as Exercise Red Flag and close air support exercises such as Green Flag-West flown in " Military ...
on 15 March 1973.Wilson and Pittaway 2010, p. 47. On 31 March, the RAAF Washington Flying Unit was formed at
McClellan Air Force Base McClellan Air Force Base (1935–2001) is a former United States Air Force base located in the North Highlands area of Sacramento County, northeast of Sacramento, California. History For the vast majority of its operational lifetime, McClell ...
in California with the mission of ferrying the first 12 F-111Cs to Australia. This unit was commanded by Group Captain John Newham, who later served as Chief of the Air Staff between 1985 and 1988. The RAAF's first six F-111Cs arrived at Amberley on 1 July 1973, and three subsequent groups of six F-111s arrived on 27 July, 28 September and 4 December. F-111Cs were allocated to No. 1 Squadron and No. 6 Squadron, under the control of No. 82 Wing. No. 1 Squadron was the RAAF's strike squadron, and maintained a nominal strength of 12 F-111s. No. 6 Squadron mainly served as the F-111 operational conversion unit, though it also operated the RF-111 aircraft at times and could serve in the strike role if required.Wilson and Pittaway 2010, p. 48. Once in RAAF service, all F-111 maintenance was undertaken at Amberley. From 1973 to 2001 No. 482 Squadron conducted intermediate maintenance of the aircraft, while heavy maintenance was the responsibility of No. 3 Aircraft Depot. No. 482 Squadron also operated the RAAF's F-111 flight simulator. From 2001 onwards,
Boeing Australia Boeing Australia Holdings Pty Ltd, or simply Boeing Australia, is Boeing's largest subdivision outside the United States. Established in 2002, the company oversees its seven wholly owned subsidiaries, consolidating and co-ordinating Boeing’s ...
performed all F-111 maintenance under a contract with the Australian government. After entering service the F-111 proved highly successful. Although it never saw combat, the F-111C was the fastest, longest range combat aircraft in Southeast Asia. Aviation historian Alan Stephens has written that they were "the preeminent weapons system in the Asia-Pacific region" throughout their service and provided Australia with "a genuine, independent strike capability".Stephens 2006, p. 290. Stewart Wilson, in his book ''Lincoln, Canberra and F-111 in Australian Service'', described the F-111C as "an unqualified success..., providing Australia with a potent strike capability in an aircraft which, a quarter of century after its first flight remains second to none."Wilson 1989, p. 160. Former Indonesian defense minister Benny Murdani told his counterpart
Kim Beazley Kim Christian Beazley (born 14 December 1948) is an Australian former politician and diplomat. He was leader of the Australian Labor Party (ALP) and leader of the opposition from 1996 to 2001 and 2005 to 2006, having previously been a cabinet ...
that when others became upset with Australia during cabinet meetings, Murdani told them "Do you realise the Australians have a bomber that can put a bomb through that window on to the table here in front of us?"


Gulf War and East Timor

During late 1990 and early 1991 the Australian government considered deploying F-111Cs to expand the
Australian contribution to the 1991 Gulf War Australia was a member of the international coalition which contributed military forces to the 1991 Gulf War, also known as Operation Desert Storm. More than 1,800 Australian Defence Force (ADF) personnel were deployed to the Persian Gulf from Au ...
, which mainly comprised a
Royal Australian Navy The Royal Australian Navy (RAN) is the principal naval force of the Australian Defence Force (ADF). The professional head of the RAN is Chief of Navy (CN) Vice Admiral Mark Hammond AM, RAN. CN is also jointly responsible to the Minister o ...
task group. The
Department of Defence Department of Defence or Department of Defense may refer to: Current departments of defence * Department of Defence (Australia) * Department of National Defence (Canada) * Department of Defence (Ireland) * Department of National Defense (Philippin ...
and Department of Foreign Affairs and Trade's (DFAT) preferred option if the government decided to expand Australia's commitment was to deploy at least two RF-111s, though these aircraft would need to have their electronic warfare equipment upgraded to operate in this war zone. Due to the small size of the RF-111 force, the loss of any of these aircraft in combat would have inflicted a heavy blow on Australia's reconnaissance capability. The second preference in the advice put to the government was to deploy a squadron of four to eight F-111Cs, though Defence did not support this. In the event, the government decided to not expand the Australian force. As a result, the F-111Cs' contribution to the war was limited to conducting intensive exercises with the Naval ships as they sailed through Australian waters en route to the Persian Gulf. The Australian-led
INTERFET The International Force East Timor (INTERFET) was a multinational non-United Nations peacemaking task force, organised and led by Australia in accordance with United Nations resolutions to address the humanitarian and security crisis that took ...
intervention into
East Timor East Timor (), also known as Timor-Leste (), officially the Democratic Republic of Timor-Leste, is an island country in Southeast Asia. It comprises the eastern half of the island of Timor, the exclave of Oecusse on the island's north-w ...
in September 1999 marked the closest Australia's F-111s ever came to combat. F-111s from both No. 1 and No. 6 Squadrons were deployed to
RAAF Base Tindal RAAF Base Tindal is a Royal Australian Air Force (RAAF) military air base and civil aviation airfield located east southeast of the town of Katherine, Northern Territory in Australia. The base is currently home to No. 75 Squadron and a nu ...
, Northern Territory, on 28 August to support the international forces, and remained there until 17 December 1999. This was a maximum effort for No. 82 Wing, and up to 10 F-111Cs were available at Tindal; No. 1 Squadron's commitment peaked at six aircraft and about 100 personnel. No. 75 Squadron also maintained 12 F/A-18s at its home base of Tindal to support INTERFET if needed. From 20 September, when INTERFET began to arrive in East Timor, the F-111s were maintained at a high level of readiness to conduct reconnaissance flights or air strikes if the situation deteriorated. For the latter role two F-111s armed with concrete-filled bombs fitted with precision guidance kits were kept available at all times. INTERFET did not encounter significant resistance, however, and F-111 operations were limited to reconnaissance missions conducted by RF-111Cs from 5 November. Each of these sorties were made after gaining approval from the Indonesian government and normally focused on bridges and communications installations. The last RF-111C flight over East Timor took place on 9 December. War games had the F-111s achieving complete success if a strike was necessary against Indonesian military headquarters near the capital.


Other roles and controversies

The Royal Australian Air Force's F-111 fleet was at times controversial. The long delay to the delivery of the aircraft was a significant political issue in the late 1960s and early 1970s. This occurred around the same time that massive delays and cost blowouts to the
Sydney Opera House The Sydney Opera House is a multi-venue performing arts centre in Sydney. Located on the foreshore of Sydney Harbour, it is widely regarded as one of the world's most famous and distinctive buildings and a masterpiece of 20th-century architec ...
were making headlines, prompting some commentators to dub the F-111 the "Flying Opera House". In 1983 the Hawke government tasked an RF-111 to take surveillance photos of the
Franklin Dam The Franklin Dam or Gordon-below-Franklin Dam project was a proposed dam on the Gordon River in Tasmania, Australia, that was never constructed. The movement that eventually led to the project's cancellation became one of the most significant ...
project in
Tasmania ) , nickname = , image_map = Tasmania in Australia.svg , map_caption = Location of Tasmania in AustraliaCoordinates: , subdivision_type = Country , subdi ...
. The use of an RAAF aircraft to "spy" on its own territory led to the minister responsible, Senator Gareth Evans, earning the nickname "
Biggles James Bigglesworth, nicknamed "Biggles", is a fictional pilot and adventurer, the title character and hero of the ''Biggles'' series of adventure books, written for young readers by W. E. Johns (1893–1968). Biggles made his first appearance ...
" (after the famous hero pilot of a number of books by Captain
W. E. Johns William Earl Johns (5 February 189321 June 1968) was an English First World War pilot, and writer of adventure stories, usually written under the pen name Capt. W. E. Johns: best known for creating the fictional air-adventurer ''Biggles''. Ea ...
). Another aspect of the F-111 which drew criticism was the poor work conditions for F-111 ground crew involved in sealing/de-sealing F-111 fuel tanks resulted in a class action lawsuit and the Australian government paying out more than A$20 million in damages. The health issues with chemical exposure included permanent brain damage to a number of ground crew before conditions were improved. A number of ex-USAF aircraft were delivered to Australia as attrition replacements and to enlarge the fleet. Four aircraft modified to the F-111C standard were delivered in 1982. The government bought 15 F-111Gs to supplement its F-111CsLogan 1998, pp. 206, 218. in 1992 and delivered in 1994. Additional stored ex-USAF F-111s were reserved as a spare parts sources. Seven of the 28 F-111Cs and one of the 15 F-111Gs were destroyed in accidents during their service with the RAAF. These accidents took the lives of 10 air crew. The accidents occurred from 1977 to 1999. The F-111's fuel dump was located right between its turbofan engines, so engaging afterburners during a fuel dump would cause an ignition five feet behind the aircraft. Although strongly discouraged by the USAF, the RAAF F-111Cs frequently did these "Dump & Burn" maneuvers (also known as the "Zippo" and the "Torch") starting at
Maple Flag Exercise Maple Flag is an annual air combat exercise carried out from CFB Cold Lake over the co-located Cold Lake Air Weapons Range (CLAWR). It is among the largest such exercises in the world, lasting four weeks, split into two two-week "phases". ...
in the 1980s. In 2000, two women graduated from the No. 6 Squadron conversion course becoming the first female F-111 Navigators. In mid-2006, an RAAF F-111 was chosen to scuttle the
North Korea North Korea, officially the Democratic People's Republic of Korea (DPRK), is a country in East Asia. It constitutes the northern half of the Korean Peninsula and shares borders with China and Russia to the north, at the Yalu (Amnok) and T ...
n ship ''
Pong Su The ''Pong Su'' incident began on 16 April 2003 when heroin was smuggled from the ''Pong Su'', a North Korean cargo ship, onto an Australian beach. Australian military special forces subsequently boarded the ''Pong Su'' in Australian territorial ...
'' which had been involved in one of Australia's largest drug hauls in recorded history. The ship had been sitting in Snails Bay, off Birchgrove, while the government considered its fate, and it was decided in March 2006 it would be scuttled by air attack. The ''Pong Su'' was sunk on 23 March 2006 by two GBU-10 Paveway II laser-guided bombs. Due to the airframe components of the F-111 containing asbestos, the remaining airframes were buried underground. Only 6 of the last airframes were spared off for museum display.


Retirement

In 2007, Australia decided to retire all of its RAAF F-111s. The drawdown of the RAAF's F-111 fleet began with the retirement of the F-111G models operated by No. 6 Squadron in late 2007. The United States had retired the F-111 (it "was nine percent of
Tactical Air Command Tactical Air Command (TAC) is an inactive United States Air Force organization. It was a Major Command of the United States Air Force, established on 21 March 1946 and headquartered at Langley Air Force Base, Virginia. It was inactivated on 1 Ju ...
's fleet but ate up a whopping 25 percent of the maintenance budget", USAF pilot Richard Crandall said) so Australia was the only operator. By 2009 the remaining 18 aircraft reportedly required the most maintenance of any warplane in the world, an average of 180 hours for every flight hour compared to 30 hours for the
F-22 Raptor The Lockheed Martin F-22 Raptor is an American single-seat, twin-engine, all-weather stealth tactical fighter aircraft developed for the United States Air Force (USAF). As the result of the USAF's Advanced Tactical Fighter (ATF) program, th ...
. In March 2008, after a review, the new Labor government confirmed the previous Howard Government's decision to the purchase of 24 F/A-18F Super Hornets until the delivery of the F-35;"ALP to stick with Super Hornet buy."
''National'' via ''theage.com.au.'' Retrieved: 21 July 2010.
in 2010, the government signed the acquisition contract."Super Hornet Acquisition Contract Signed."
''defence.gov.au.'' Retrieved: 3 December 2010.
The final RAAF F-111 aircrew conversion took place in 2009, with four pilots and two Air Combat Officers (ACOs) qualifying. The RAAF retired its last F-111s on 3 December 2010, after the final flight by aircraft from No. 6 Squadron over southern Queensland. Australia is currently a partner in the development of the
Lockheed Martin F-35 Lightning II The Lockheed Martin F-35 Lightning II is an American family of single-seat, single-engine, all-weather stealth multirole combat aircraft that is intended to perform both air superiority and strike missions. It is also able to provide el ...
stealth fighter, with plans for the country to procure up to 100 examples to replace the F-111 as well as the F/A-18 Hornet. Between 21 and 24 November 2011, 23 of the RAAF's F-111C and F-111Gs which had not been selected for preservation were buried at the Swanbank
landfill A landfill site, also known as a tip, dump, rubbish dump, garbage dump, or dumping ground, is a site for the disposal of waste materials. Landfill is the oldest and most common form of waste disposal, although the systematic burial of the wast ...
site outside of
Ipswich, Queensland Ipswich () is a city in South East Queensland, Australia. Situated on the Bremer River, it is approximately west of the Brisbane central business district. The city is renowned for its architectural, natural and cultural heritage. Ipswich p ...
. The RAAF had considered scrapping these aircraft, but concluded that it would be cheaper to bury them as they also contained asbestos in the airframes. The remaining ex-RAAF F-111s will be placed on display."Landfill Site Swallows 23 ex-RAAF F-111s." ''Air Forces Monthly,'' Issue 287, February 2012, p. 32.Semmens, Ben
"RAAF Base Amberley F-111 fighter jets end up on Swanbank landfill site near Ipswich."
''Quest Ipswich,'' 24 November 2011. Retrieved: 12 March 2012.


Variants


F-111C

The F-111C was the export version for Australia, combining the F-111A design with the longer F-111B wings and the strengthened FB-111A undercarriage.


RF-111C

Four F-111C aircraft were modified to RF-111C reconnaissance configuration. These aircraft met the RAAF's requirement for aircraft to reinstate its photographic reconnaissance capacity. While the original order for F-111s specified that 18 would be strike variants and six reconnaissance variants, the RAAF later agreed to accept all 24 as strike aircraft and later retrofit six with reconnaissance pallets. In 1971 the USAF dropped plans to fit some of its F-111s as reconnaissance aircraft, but sold the design of the reconnaissance pallet to Australia for $3 million. At this time the RAAF decided to fit the pallet to four rather than six aircraft.Air Power Development Centre 2010, p. 1. The reconnaissance pallet contains four cameras and an infrared linescanner unit and is fitted in the F-111's weapons bay. The RF-111Cs retained their strike capability.Wilson and Pittaway 2010, p. 33. The first F-111C, A8-126 selected for conversion to the RF-111C variant was modified at General Dynamics plant at Fort Worth, Texas between October 1978 and 18 April 1979. After four months of test flights, the aircraft returned to Australia in August 1979 where it conducted further tropical weather trials at Darwin. The other three aircraft were modified by the RAAF's No. 3 Aircraft Depot at RAAF Base Amberley in 1980, using kits purchased from General Dynamics. The RF-111C variant proved to be highly successful, and was considered to be among the best tactical reconnaissance aircraft in the world.Wilson and Pittaway 2010, p. 52. Three of the four RF-111Cs remained in RAAF service until 2010. The other aircraft was retired in 2006 after suffering damage from landing on its belly after one of its main wheels separated during takeoff; although the aircraft was repairable it was judged not worthwhile doing so due to the impending retirement of the entire F-111 fleet. The RAAF does not have an aircraft with the RF-111C's
intelligence, surveillance and reconnaissance ISTAR stands for intelligence, surveillance, target acquisition, and reconnaissance. In its macroscopic sense, ISTAR is a practice that links several battlefield functions together to assist a combat force in employing its sensors and managing t ...
capabilities since they were retired.


Operators

; *
Royal Australian Air Force "Through Adversity to the Stars" , colours = , colours_label = , march = , mascot = , anniversaries = RAAF Anniversary Commemoration ...
** No. 82 WingRAAF Base Amberley *** No. 1 Squadron F-111C (1973–2009) *** No. 6 Squadron F-111C (1973–2010), F-111G (1993–2007) ** Aircraft Research and Development Unit RAAF (during trials)


Aircraft on display


Australia

;F-111C * A8-109 – Historical Aircraft Restoration Society, Albion Park * A8-113 – Darwin Aviation Museum, Winnellie, NT * A8-125 –
RAAF Museum RAAF Museum is the official museum of the Royal Australian Air Force, the second oldest air force in the world, located at RAAF Williams Point Cook, Victoria, Australia which is the oldest continuously operating Military Air Base in the world. T ...
,
Point Cook, Victoria Point Cook is a suburb in Melbourne, Victoria, Australia, south-west of Melbourne's Central Business District, located within the City of Wyndham local government area. Point Cook recorded a population of 66,781 at the 2021 census. Point ...
(stored)"RAAF A8 General Dynamics F111C/G & RF111C"
''ADF Serials.'' Retrieved: 27 February 2017.
* A8-126 – RAAF Amberley Aviation Heritage Centre, Qld
''RAAF Amberley Aviation Heritage Centre.'' Retrieved: 2 October 2017.
* A8-129 –
Queensland Air Museum The Queensland Air Museum is a not-for-profit community-owned aviation museum located at Caloundra Airport in Queensland, Australia. Its mission is to collect and preserve all aspects of aviation heritage with an emphasis on Australia and Queens ...
, Caloundra * A8-131 – Moorabbin Air Museum, Vic (cockpit module only) * A8-132 – ARDU, RAAF Edinburgh, SA"F-111"
''RAAF Amberley Aviation Heritage Centre.'' Retrieved: 2 October 2017.
* A8-134 –
South Australian Aviation Museum The South Australian Aviation Museum, located in Port Adelaide, South Australia, is an aviation museum which displays aircraft, aircraft engines, and rockets of relevance to South Australia, and the history of aviation and the aerospace industry ...
, Port Adelaide, SA * A8-135 – Caboolture Warplane and Heritage Museum, Qld (cockpit module only) * A8-136 – RAAF Amberley Aviation Heritage Centre, Qld (cockpit module only) * A8-138 –
RAAF Amberley RAAF Base Amberley is a Royal Australian Air Force (RAAF) military airbase located southwest of Ipswich, Queensland in Australia and southwest of Brisbane CBD. It is currently home to No. 1 Squadron (operating the F/A-18F Super Hornet), N ...
, Qld (gate guard) * A8-140 – Royal Australian Air Force Association Museum, Bull Creek, WA (cockpit module only) * A8-141 – RAAF Amberley Aviation Heritage Centre, Qld (cockpit module only) * A8-142 – RAAF Wagga Wagga, NSW (gate guard) * A8-147 – Evans Head Memorial Aerodrome Heritage Aviation Association, NSW) * A8-148 – Fighter World, Williamtown, NSW


United States

;F-111C * A8-130 –
Pacific Aviation Museum Pearl Harbor Aviation Museum (formerly the Pacific Aviation Museum Pearl Harbor) is a non-profit founded in 1999 to develop an aviation museum in Hawaii. Part of Senator Daniel Inouye's vision for a rebirth of Ford Island, the museum hosts a vari ...
, Ford Island-Pearl Harbor, Hawaii"General Dynamics F-111C Aardvark (Fighter-bomber)"
''Pacific Aviation Museum'' Retrieved: 27 February 2017.


Specifications (F-111C)


See also


References


Notes


Citations


Bibliography


''Audit Report No.27 2006–07: Management of Air Combat Fleet In-Service Support.''
Canberra: National Audit Office (ANAO), 2007. .
''Audit Report No.40 1999–2000: Tactical Fighter Operations."
Canberra: ''Australian National Audit Office (ANAO),'' 2000. . * Eden, Paul, ed. "General Dynamics F-111 Aardvark/EF-111 Raven". ''Encyclopedia of Modern Military Aircraft''. London: Amber Books, 2004. . * Gunston, Bill. ''F-111''. New York: Charles Scribner's Sons, 1978. . * Gunston, Bill. ''F-111, Modern Fighting Aircraft, Vol. 3''. New York: Salamander Books, 1983. . * Horner, David. ''Australia and the "New World Order": From Peacekeeping to Peace Enforcement, 1988–1991'' (Series: The Official History of Australian Peacekeeping, Humanitarian and Post-Cold War Operations). Port Melbourne, Australia: Cambridge University Press, 2011. . * Lax, Mark
''From Controversy to Cutting Edge: A History of the F-111 in Australian Service''
Canberra, Australia: Air Power Development Centre, Department of Defence (Australia), 2010. . * Logan, Don. ''General Dynamics F-111 Aardvark''. Atglen, Pennsylvania: Schiffer Military History, 1998. .
"Manned ISR: The RF-111C."
''Air Power Development Centre, Australian Department of Defence,'' 2010. Retrieved: 20 March 2010 * Miller, Jay. ''General Dynamics F-111 "Arardvark"''. Fallbrook, California: Aero Publishers, 1982. . * Neubeck, Ken. ''F-111 Aardvark Walk Around''. Carrollton, Texas: Squadron/Signal Publications, 2009. . * Stephens, Alan. ''The Royal Australian Air Force: A History.'' Melbourne: Oxford University Press, 2006. . * Thomason, Tommy. ''Grumman Navy F-111B Swing Wing'' (Navy Fighters No. 41). Simi Valley, California: Steve Ginter, 1998. . * Thornborough, Anthony M. ''F-111 Aardvark''. London: Arms and Armour, 1989. . * ''Units of the Royal Australian Air Force: A Concise History, Volume 3: Bomber Units.'' Canberra: RAAF Historical Section, Australian Government Publishing Service, 1995. . * Weisbrod, Hanno
"Australia's Decision to Buy the F-111."
''The Australian Quarterly'' (Australian Institute of Policy and Science), Vol. 41, No. 2, June 1969, pp. 7–27. * Wilson, David. ''Warden to Tanager: RAAF Operations in East Timor.'' Maryborough, Queensland, Australia: Banner Books, 2003. . * Wilson, Stewart. ''Lincoln, Canberra & F-111 in Australian service.'' Weston Creek, Australia: Aerospace Publications, 1989. . * Wilson, Stewart and Nigel Pittaway. "F-111 in RAAF Service 1973–2010. The Story of One of the Finest Strike Aircraft in Aviation History." ''Aero Australia Special Edition (Chevron Publishing Group)'', 2010. * Winchester, Jim, ed. "General Dynamics FB-111A". "Grumman/General Dynamics EF-111A Raven". ''Military Aircraft of the Cold War'' (The Aviation Factfile). London: Grange Books plc, 2006. .


Further reading

*


External links






F-111 profile on Aerospaceweb.org

F-111.net site
*

{{good article Variable-sweep-wing aircraft
F-111C The General Dynamics F-111C (nicknamed "Pig") is a variant of the F-111 Aardvark medium-range interdictor and tactical strike aircraft, developed by General Dynamics to meet Australian requirements. The design was based on the F-111A model but ...
F-111C The General Dynamics F-111C (nicknamed "Pig") is a variant of the F-111 Aardvark medium-range interdictor and tactical strike aircraft, developed by General Dynamics to meet Australian requirements. The design was based on the F-111A model but ...
Twinjets Cold War history of Australia Aircraft first flown in 1968 Aircraft in Royal Australian Air Force service