Short Tucano

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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. The main operator is the Royal Air Force with exports to Kenya and Kuwait.

Design and development

Origins

Development of the Tucano started in May 1984 after an agreement between Embraer and Short Brothers to meet a requirement to replace the BAC Jet Provost as a basic trainer with the Royal Air Force.[1] The Royal Air Force issued Air Staff Target 412 to define the requirement for a high-performance turbo-prop trainer. A short-list of designs competed for the contract; the other types considered were the Pilatus PC-9, NDN-1T Turbo-Firecracker and Australian Aircraft Consortium (AAC) A.20 Wamira II.[1]

In 1984 Embraer sent Shorts the seventh EMB-312 airframe off the production line for modifications in order to meet AST-412 requirements.[1] The type was displayed in September 1984 at the Farnborough Airshow featuring an uprated PT6A-25C2 engine and a ventral air-brake to meet required stall speed of 60kt.[1] However, tests undertaken at Boscombe Down later on that year indicated the need to re-engine the aircraft (to meet the RAF requirement for time to height) and Garrett TPE331 was chosen.[1]

On 21 March 1985, the Short Tucano proposal was declared winner of the AST.412 contract worth £126 million for 130 aircraft and an option for further 15.[1] First flight of the prototype EMB-312G2 which featured a four-bladed Hartzell propeller with the Garrett TPE331-10 engine took place in Brazil on 14 February of the following year, the aircraft was then disassembled and airlified back to Belfast on 29 March 1986 to fly again just 10 days later.[2] In June, the TPE331-10 engine was replaced by the TPE331-12B, a major difference being the integration of an Electronic Engine Controller (EEC) system.[1][2]

Production

Short-operated prototype, 1991

The first standard production model T.Mk 1 was flown on 30 December 1986 and the official roll-out took place in 20 January 1987.[3] A second prototype flew on 10 March 1987, and, by April a third had joined the test fleet for clearance and final testing at Boscombe Down.[4] The fourth build aircraft was the first delivered to the RAF on 16 June 1988 at the Central Flying School,[5] while the last delivery to RAF occurred 25 January 1993.[6]

In addition to the primary order from the RAF, export customers emerged for the Shorts-produced Tucanos. The Kenyan Air Force ordered a total of 12 units, a further 16 Tucanos were exported to Kuwait as well. The Tucanos serving in the Kuwait Air Force were furnished to be armed and combat-capable for the purposes of weapons training and light attack duties; each aircraft features four pylons capable of mounting various rocket pods, cannons, bombs, and auxiliary fuel tanks.[7]

In addition to the revised engine, the major differences of the Shorts Tucano are a strengthened airframe for an improved fatigue life, a cockpit layout similar to the Hawk advanced trainer, a revised oxygen system, a flight data recorder, a four-bladed propeller, ventral airbrake and restyled wingtips. Two Martin-Baker MB 8LC ejection seats are used and the canopy was modified to meet the RAF's bird strike requirements. During its production run, Shorts commonly promoted the airframe as being "100% British-built".[8] In order to meet RAF requirements, the EMB-312 has some 900 modifications reducing commonality with the original aircraft to only 50%[9]

Operational history

Since first deliveries to the RAF in 1989, the Tucano has been operated primarily from No 1 Flying Training School at RAF Linton-on-Ouse to provide basic fast-jet lead-in flying training to RAF and RN student pilots. The deployment is officially to 72 (Reserve) Squadron, 207 (Reserve) Squadron and 76 Squadron (Tucano Air Navigation Squadron).[10] Student pilots fly around 130 hours during their training course on the Tucano before progressing to the Hawk T1 aircraft at RAF Valley.[10]

"For the price of one Eurofighter we could have a squadron of Super Tucanos. They can carry the same ordnance as a Harrier, with its loud bang, but unlike the Harrier, which can be over the battlefield for no more than 20 minutes, Tucanos can loiter overhead for hours on end, ready for use in a ground attack at a moment’s notice."

House of Commons debate, October 2007.[11]

The Short Tucano replaced the Jet Provost as the basic trainer for the RAF, preparing the student pilots for progression to the Hawk T1 advanced flying training. The aircraft proved to be 70% cheaper to operate than its predecessor.[12] The Tucano's accident record has also been remarkably better than other ab-initio training aircraft, with only three aircraft written-off in over 20 years.

In March 2007, regarding experiences from the War in Afghanistan, the British Parliament was debating the idea of replacing Harriers and Tornados for armed Short Tucanos during close air support missions.[13] This would have required extensive modification as the RAF aircraft were not fitted with wing hard points.

RAF has a contract with VT Group to support maintenance until April 2014, with possible option to extend the deal for another two years.[14] The aircraft is scheduled to be withdrawn from service in 2015, it will be replaced by the winner of the UK Military Flying Training System (UKMFTS) program.[14]

Variants

Tucano T1
Two-seat basic trainer for the RAF – 130 delivered (one other aircraft (T42) was severely damaged by an IRA bomb blast whilst in final assembly and was never flown).
Tucano Mk.51
Export version for Kenya – 12 delivered (13 were flown as the first was lost due to flutter in high speed weapons carriage trials in Feb 1990, killing Shorts Chief Test Pilot Allan Deacon).
Tucano Mk.52
Export version for Kuwait – 16 delivered.

Operators

Short Tucano T1 at RIAT 2005
 Kenya
 Kuwait
 United Kingdom

Civil Operators

 United States [15]

Specifications (Tucano)

Kuwait Air Force Tucano Mk.52
Royal Air Force Tucano in 2010 painted for the 70th Anniversary of the Battle of Britain to represent a Spitfire of No. 92 Squadron RAF as flown by Brian Kingcome in 1940

Data from Jane's All the World's Aircraft, 1988–1989 [16]

General characteristics

Performance

  • Never exceed speed: 300 kts (322 mph, 518 km/h)
  • Maximum speed: 274 kn (315 mph, 507 km/h) (at 10,000–15,000 ft)
  • Cruise speed: 180/240(low level) knots (253 mph, 407 km/h) (economy cruise)
  • Stall speed: 69 kn (80 mph, 128 km/h) (flaps and gear down)
  • Range: 900 nmi (1,035 miles, 1,665 km)
  • Service ceiling: 34,000 ft (10,363 m)
  • Rate of climb: 3,510 ft/min (17.8 m/s)
  • Wing loading: 28.6 lb/ft² (140 kg/m²)
  • Power/mass: 0.152 hp/lb (0.250 kW/kg)
Armament
  • Provision for 1,000 lb (454 kg) of stores on four underwing hardpoints, but not on UK Tucanos

See also

Related development
Aircraft of comparable role, configuration and era
Related lists

References

Notes
  1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 Fricker (1987), p. 237
  2. ↑ 2.0 2.1 Sturtivant (1987), pp. 243–44
  3. ↑ Fricker (1987), p. 238
  4. ↑ Sturtivant (1987), p. 244
  5. ↑ "Shorts S312 Tucano (United Kingdom)". Jane's Information. 11 June 2012. Retrieved 19 October 2012. 
  6. ↑ "Short Tucano". UK Serial Resource Centre. Retrieved 24 October 2012. 
  7. ↑ "Kuwait orders Shorts Tucano trainers." Flight International, 18 February 1989. p. 3.
  8. ↑ "Shorts Tucano has got what it takes to join the R.A.F." Flight International, 26 January 1985. p. 25.
  9. ↑ Winn, Allan, ed. (15 August 1990). "Military Aircraft of the World". Flight International 138 (4229). 
  10. ↑ 10.0 10.1 "Tucano". Royal Air Force. Retrieved 5 February 2012. 
  11. ↑ "Column 744". UK House of Commons. 16 October 2007. Retrieved 20 February 2012. 
  12. ↑ "Tucano Display Season 2004". Armed Forces International. Retrieved 14 September 2012. 
  13. ↑ Hoyle, Graig (23 March 2010). "RAF heralds emergence of 'combat ISTAR' over Afghanistan". Flight Global. Retrieved 20 February 2012. 
  14. ↑ 14.0 14.1 Hoyle, Graig (22 February 2010). "VT lands new deal to support RAF's Tucano fleet". Flight Global. Retrieved 20 February 2012. 
  15. ↑ "Model Code Entered: 8100527". US Federal Aviation Administration. Retrieved 24 October 2012. 
  16. ↑ Taylor, JWR (Editor) (1988). Jane's All the World's Aircraft, 1988–1989. Coulsdon, Surrey: Jane's Information Group. ISBN 0-7106-0867-5. 
Bibliography
  • Fricker, John (May 1987). "RAF Prepares for Tucano". In Green, William. Air International (Bromley, UK: Fine Scroll) 32 (5): 237–239. ISSN 0306-5634. 
  • Sturtivant, Ray (1987). Darlington, Ray, ed. The History of Britain's Military Training Aircraft. Somerset, UK: Haynes Publishing Group. pp. 241–244. ISBN 0-85429-579-8. ;

External links

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