Pilatus PC-21

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Template:Short description Template:Infobox aircraft

The Pilatus PC-21 is a turboprop-powered advanced trainer with a stepped tandem cockpit. It is manufactured by Pilatus Aircraft of Switzerland.

Development

In November 1997 Pilatus flew a modified PC-7 Mk.II in order to test improvements for a prospective next generation turboprop trainer. As a result of these tests, Pilatus elected to fund the development of a new training system in November 1998; development of the new trainer, designated as the PC-21, formally started in January 1999.[1] The PC-21 would be developed and certified as a completely new training system, aimed at meeting future military customers' specifications in terms of capability and life-cycle costs for the next three decades.[2]

A key aim for the PC-21 was to allow jet aircraft pilots to perform the majority of their training using the type before converting to jet-powered types, allowing operators to make substantial savings. In order to achieve this aim, the new trainer was required to have an expanded performance envelope in terms of aerodynamics, cockpit equipment, flexibility, and ease of maintenance.[1][3][4] In May 2002 Pilatus announced that it aimed for the PC-21 to capture 50% of the global trainer aircraft market between 2005 and 2030.[5][6]

From the start of the aircraft's development, Pilatus aimed for the type to have a predictable cost profile over its full lifespan. To meet this goal, the firm chose to incorporate modern materials, an innovative design concept, and full-scale fatigue analysis.[7] Additionally, accompanying the aircraft itself are integrated training systems to meet the pilot's needs; the full package offered by Pilatus includes synthetic training devices, computer-based training, and classroom instruction.[3] As a result of greater training effectiveness, pilots can graduate with fewer total training hours, reaching the frontline faster and at lower cost.[7] In addition to pilots, various prospective aircrew, such as navigators, weapons officers, and electronic warfare operators, can be trained using the type's embedded simulation/emulation system.[7]

On 30 April 2002, the rollout of the first PC-21 prototype was performed at Pilatus' factory in Stans, Switzerland; this aircraft conducted its first flight on 1 July of the same year.[8] In May 2003, Pilatus management formally green-lit the program to proceed to full development.[9] On 7 June 2004, a second PC-21 prototype, the construction of which had been delayed to incorporate improvements learnt from assembling the first, made its maiden flight.[8] In December 2004, Switzerland's Federal Office for Civil Aviation granted type certification for the PC-21; civil certification was attained despite it being a military aircraft as this permitted civil maintenance procedures to be used as well as allowing the aircraft to be supplied under private finance arrangements.[7] Individual Swiss military certification for equipment such as ejection seats has been applied as necessary.[10]

On 13 January 2005, the second of the two development aircraft crashed in Buochs, Switzerland, while conducting an aerobatic training flight; the accident resulted in the death of the pilot as well as injuring another person on the ground.[11] In response to the accident, the other PC-21 was grounded for several weeks until Swiss authorities had established that there was no sign of technical malfunction.[12] In August 2006, it was announced that crash investigators had concluded that pilot error had been a primary cause.[13] In late August 2005, the first pre-series production PC-21 performed its maiden flight.[5]

Design

File:Frola ? 16983 1243165361 (5719962279).jpg
A PC-21 on static display, 2009

The Pilatus PC-21 is an advanced single-engine trainer aircraft; it is often referred to by Pilatus as being the "Twenty-first Century Trainer".[2][3] The type can be applied for various training capacities, including basic flying training, advanced flight training, full mission management training, and embedded simulation/emulation. In order to perform these functions, the aircraft possesses a powerful, flexible, and cost-effective integrated training system; providing sufficient ease of use for inexperienced pilots while posing greater challenge to advanced pilots.[7] According to Pilatus, upon product launch, the PC-21 possessed "superior aerodynamic performance when compared with any other turboprop trainer on the market".[2]

The aircraft features a tandem-seating arrangement (student in front/instructor behind) in a bird strike-resistant glass canopy with allround vision. The cabin, which is pressurized, is equipped with an On-Board Oxygen Generation System (OBOGS), air conditioning, and Martin-Baker CH16C Zero-Zero ejection seats.[2][7] The flight controls, which are fully balanced and harmonized, are optimized for ease of operation and overall effectiveness.[7] An anti-g system is also present in order to minimize the effects of high g-forces experienced during tactical training and aerobatic maneuvers. Pilots are able to spend a greater amount of time concentrating on the aircraft's external situation and upon mission data inputs due to an ergonomic design approach, ease-of-use controls, and clear visual/system data displays.[7] In addition, a full autopilot and civil flight management system are also present.[10]

The PC-21 is powered by a single Pratt & Whitney Canada PT6A-68B turboprop engine of 1,600 shaft horse power, which drives a five-bladed graphite scimitar propeller manufactured by Hartzell;[2][7] it has been claimed by Pilatus that the PC-21 possesses speed and climb rates previously normally performed only by jet-powered aircraft.[14] It is also fitted with a high-speed profile wing, rated for maneuvers up to 8g, complete with hydraulically-assisted ailerons and spoilers which enable the execution of fighter-like rates of roll and other maneuvers.[2][14] In order to make the aircraft easy to fly at low speeds, crucial to the advanced trainer role, the PC-21 is furnished with a digital power management system and the rudder control system is equipped with an automatic yaw compensator/suppression system to compensate for airspeed and engine power changes.[2][7][14]

File:PC-21 (5089438327).jpg
Underside of a PC-21 in flight

A key feature of the PC-21 is the embedded simulation and training suite, which provides cross-platform cockpit emulation, weapons simulation, stores management system, simulated radar and electronic warfare, a tactical situation display, and data link functionality.[7][9] Key to this is the Mission Support System (MSS), which comprises the Mission Planning System (MPS) and Mission Debriefing System (MDS); data can be loaded and unloaded from these, which is compatible with ground-based stations for pre-flight configuration or post-mission analysis.[7] The integrated mission computer is of an open architecture, allowing for third-party modifications and upgrades to take place; software can also be customized to conform to customer preferences.[7][15] Critical and non-critical software are also deliberately separated.[2]

The cockpit of the PC-21 features a high level of systems integration and conforms to modern avionics standards. The systems of the forward and rear cockpits can be 'de-coupled' between the student and instructor; the instructor may exercise real-time manipulation of the student's displays, sensor performance, and system modes such as to create synthetic air-to-air radar targets, artificial non-safety critical system failures, and controlled data degradation.[7][16] The aircraft's fully digital glass cockpit features three large colour liquid crystal displays (LCD), one performing as the primary flight display (PFD) and two multi-function displays (MFDs) for system/mission management, in addition to CMC Electronics-provided head-up displays (HUD) for both the pilot and instructor.[7][17] The trim gauge is the only analogue dial in the cockpit.[6] For control simplicity, a Hands on Throttle and Stick (HOTAS) control philosophy has been followed. Both the display and control systems present also resemble their counterparts used upon modern front-line combat aircraft for greater realism during training; and can be further customized in order to be more representative of specific combat aircraft.[10][16] The multi-sensor navigation system is capable of operating under a military tactical mode as well as a civil navigation mode.[7]

Operational history

Australia

The PC-21 was one of the submissions for the Royal Australian Air Force's project AIR 5428, which sought a replacement of its Pilatus PC-9s;[18][19] in September 2015, it was announced that the consortium comprising Lockheed Martin, Pilatus and Hawker Pacific ("Team 21"), had won the bid to provide 49 PC-21s to the Australian Defence Force.[20][21]

France

In January 2017, Pilatus received a contract for 17 PC-21s by the French Department of Defense as a new training aircraft.[22] On 31 August 2018, France's defence procurement agency Direction générale de l'armement announced the arrival of the first two PC-21s. The delivery of the remaining aircraft is scheduled to be completed in 2019.[23]

In 2024, the PC-21 was used by the French Air Force as a surveillance aircraft during the 2024 Paris Olympics Game.[24]

Jordan

In August 2015, Pilatus received a contract to deliver nine PC-9Ms to the Royal Jordanian Air Force, but in April 2016 changed the order to eight PC-21s. Deliveries were due to start in January 2017 under the original deal.[25]

Qatar

In July 2012, it was announced that the Qatar Air Force had placed an order for a complete pilot training system from Pilatus centering upon the PC-21. The package included ground-based training devices, logistical support and maintenance in addition to 24 PC-21 aircraft.[26][27] On 1 October 2014, the Qatar Air Force formally received its first batch of PC-21 trainers.[28][29]

Saudi Arabia

On 23 May 2012, Saudi Arabia signed a £1.6 billion ($2.5 billion) contract for a comprehensive next-generation military pilot training system, comprising 22 BAE Systems Hawk advanced jet trainers in addition to 55 PC-21 trainers.[30][31] In early June 2014, Pilatus commenced delivery of the first six PC-21s to Saudi Arabia;[32] by the end of 2015, this had risen to 46 PC-21s delivered.[33]

Singapore

In November 2006, the Republic of Singapore Air Force (RSAF) awarded a service contract to Lockheed Martin Simulation, Training and Support (LMSTS) to deliver 19 PC-21 aircraft, to support the RSAF's Basic Wings training course at RAAF Base Pearce in Australia under a public–private partnership (PPP) arrangement, replacing the SIAI-Marchetti S.211.[34][35] Singapore was the first export customer for the PC-21.[36] On 21 January 2008, the first RSAF PC-21 completed its flight test prior to being accepted into service.[37][38] On 13 July 2008, the type began to provide the RSAF with basic flying training, by which point a further six aircraft had been delivered.[39]

Spain

The PC-21 has been evaluated by the Spanish Air Force (along with the Beechcraft T-6 Texan II and the PZL-130 Orlik III), as a possible substitute for its ENAER T-35 Pillan and CASA C-101 Aviojet trainer aircraft.[40] January 2020 saw the Spanish Air Force confirm an order for 24 PC-21 aircraft, which will replace mainly the CASA C-101 Aviojet, but will also take over advanced training which is currently carried out on the T-35 Pillan.[41]

Switzerland

File:Pilatus PC-21, Pilatus AN1852215.jpg
A PC-21 landing at RAF Fairford, England, 2010

In the Armament Program 2006, the Swiss Parliament approved an initial purchase of the PC-21 for the Swiss Air Force. By April 2008, four PC-21 have been accepted by the Swiss Air Force following the passing of acceptance trials, and flight operations were set to start in July that year.[42] In December 2010, the Swiss Air Force placed an order for another two aircraft.[43][44]

United Arab Emirates

During the 2009 Dubai Airshow, the United Arab Emirates announced an order of 25 PC-21 trainers for the United Arab Emirates Air Force (UAEAF) to replace its aging fleet of Pilatus PC-7s.[45] On 22 November 2010, the UAEAF's first PC-21 performed its maiden flight.[46][47]

Operators

File:Pilatus PC-21 operators.png
Main countries in which the Swiss Pilatus PC-21 aircraft operates in the world.
File:Pilatus pc-21 1.jpg
Pair of PC-21s, 2004

Current operators

Template:Country data Australia (49)
Template:Country data France (17 + 9)
Template:Country data Jordan (12)
Template:Country data Qatar (24)
Template:Country data Saudi Arabia (55)
Template:Country data Singapore (19)
  • Republic of Singapore Air Force: launch customer; operates 19 in Australia on Basic Wings Course (BWC) as part of a contract for availability, together with Lockheed Martin and Hawker Pacific.
Template:Country data Spain (24 + 16)
Template:Country data Switzerland (8)
Template:Country data United Arab Emirates (25)
Template:Flagicon image UK (2)

Future operators

Template:Country data Canada (19)
  • SkyAlyne was selected to train the future Canadian Air Force pilot in cooperation with CAE and KF Aerospace through the programme FAcT (Future Aircrew Training). The pilots will be trained on Grob 120TP (CT-102B Astra II), PC-21 (CT-157 Siskin II), King Air 260 (CT-145E Expeditor II), H135 (CT-153 Juno) and Dash 8-400 (CT-142Q Citadel) depending on the assignment.[58][59] The purchase was confirmed in November 2024.[60]

Potential customers

Template:Country data Belgium
  • The Belgian Air Force is also considering the PC-21, among other platforms, to potentially replace its fleet of SF260 Marchetti trainers, which are nearing the end of their service lives.[61]
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Template:Country data Malaysia
Template:Country data Sweden

Specifications (PC-21)

File:Pilatus.pc-21.fairford2006.arp.jpg
The Pilatus PC-21; note the stepped tandem cockpit

Template:External media Template:Aircraft specs

See also

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Aircraft of comparable role, configuration, and era

References

Notes

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Bibliography

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External links

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  1. ↑ a b Hoyle, Craig. "Switzerland special: Pilatus the success story." Template:Webarchive Flight International, 17 March 2008.
  2. ↑ a b c d e f g h Cite error: Invalid <ref> tag; no text was provided for refs named spec
  3. ↑ a b c "The NextGen Trainer." Template:Webarchive Pilatus Aircraft, Retrieved: 22 March 2016.
  4. ↑ "PC-21 set to revolutionise training for air forces." Template:Webarchive Flight International, 22 July 2002.
  5. ↑ a b "Swiss air force poised to acquire six PC-21s." Template:Webarchive Flight International, 13 September 2005.
  6. ↑ a b Wastnage, Justin. "Pilatus aims for half of trainer sales with PC-21." Template:Webarchive Flight International, 7 May 2002.
  7. ↑ a b c d e f g h i j k l m n o p "PC-21: 21st Century Training for 21st Century Air Forces." Template:Webarchive Pilatus Aircraft, Retrieved: 23 March 2016.
  8. ↑ a b "Pilatus flies PC-21 and aims for certification in 2004." Template:Webarchive Flight International, 9 July 2002.
  9. ↑ a b Penny, Stewart. "Pilatus unveils simulation system for PC-21 trainer." Template:Webarchive Flight International, 3 June 2003.
  10. ↑ a b c Collins, Peter. "FLIGHT TEST: Pilatus PC-21 – Fast learner." Template:Webarchive Flight International, 2 December 2008.
  11. ↑ Wastnage, Justin. "Test pilot killed in PC-21 accident." Template:Webarchive Flight International, 18 January 2005.
  12. ↑ "PC-21 grounding lifted after crash." Template:Webarchive Flight International, 1 February 2005.
  13. ↑ Wastnage, Justin. "January 2005 crash of prototype Pilatus PC-21 attributed to pilot error in official crash report." Template:Webarchive Flight International, 25 August 2006.
  14. ↑ a b c "Aircraft Data." Template:Webarchive Pilatus Aircraft, Retrieved: 22 March 2016.
  15. ↑ Hoyle, Craig. "Pilatus to adapt PC-21." Template:Webarchive Flight International, 14 November 2006.
  16. ↑ a b "A Cockpit for Maximum Training Value." Template:Webarchive Pilatus Aircraft, Retrieved: 22 March 2016.
  17. ↑ "Integrated cockpit is pillar of new product strategy." Template:Webarchive Flight International, 15 June 2005.
  18. ↑ Pittaway 2010, p. 20.
  19. ↑ Waldron, Greg. "Lockheed, Pilatus, Hawker Pacific bid for RAAF basic trainer deal." Template:Webarchive Flight International, 3 October 2013.
  20. ↑ "Lockheed Martin Wins Air 5428." Australian Defence Magazine, 13 May 2015.
  21. ↑ Pittaway, Nigel. "Australia To Buy PC-21 Trainers, Relocate Basic Training." Defense News, 11 September 2015.
  22. ↑ Script error: No such module "citation/CS1".
  23. ↑ Script error: No such module "citation/CS1".
  24. ↑ Script error: No such module "citation/CS1".
  25. ↑ Script error: No such module "citation/CS1".
  26. ↑ Pocock, Chris. "Pilatus PC-21 Scores Another Pilot Training Win in Qatar." Template:Webarchive AIN Online, 27 July 2012.
  27. ↑ Hoyle, Craig. "First Qatari PC-21 enters ground test." Template:Webarchive Flight International, 20 February 2014.
  28. ↑ "Emiri Air Force receives first batch of PC-21 aircraft." Template:Webarchive Gulf Times, 1 October 2014.
  29. ↑ Hoyle, Craig. "First PC-21s head for Qatar." Template:Webarchive Flight International, 30 September 2014.
  30. ↑ a b Hoyle, Craig. "Saudi Arabia signs 102-aircraft military training deal." Template:Webarchive Flight International, 23 May 2012.
  31. ↑ Trimble, Stephen, "Pilatus PC-21s in package deal with Hawks for Saudi air force." Template:Webarchive Flight International, 17 May 2012.
  32. ↑ Hoyle, Craig. "Saudi Arabia gets first six PC-21 trainers." Template:Webarchive Flight International, 11 June 2014.
  33. ↑ Hoyle, Craig. "Follow-on purchase to boost Saudi Hawk renewal." Template:Webarchive Flight International, 19 February 2016.
  34. ↑ "PC-21s to Replace S211s for RSAF's Basic Wings Training." Template:Webarchive defense-aerospace, 3 November 2006.
  35. ↑ Wastnage, Justin. "Lockheed Martin Pilatus team win Singapore trainer deal, launch of PC-21 production now possible." Template:Webarchive Flight International, 3 November 2006.
  36. ↑ David, Donald. "Australia Joins Singapore in the PC-21 Club." Template:Webarchive AIN Online, 14 February 2016.
  37. ↑ Script error: No such module "citation/CS1".
  38. ↑ Warwick, Graham."PICTURE: Pilatus flies first PC-21 for Singapore." Template:Webarchive Flight International, 19 February 2008.
  39. ↑ Script error: No such module "citation/CS1".
  40. ↑ Script error: No such module "citation/CS1".
  41. ↑ Script error: No such module "citation/CS1".
  42. ↑ Script error: No such module "citation/CS1".
  43. ↑ Script error: No such module "citation/CS1".
  44. ↑ Trimble, Stephen. "Pilatus receives follow-on PC-21 trainer order from Swiss air force." Template:Webarchive Flight International, 17 December 2010.
  45. ↑ Script error: No such module "citation/CS1".
  46. ↑ Template:Cite magazine
  47. ↑ Hoyle, Craig. "PICTURES: UAE's first PC-21 makes flight debut." Template:Webarchive Flight International, 23 November 2010.
  48. ↑ Script error: No such module "citation/CS1".
  49. ↑ Script error: No such module "citation/CS1".
  50. ↑ Script error: No such module "citation/CS1".
  51. ↑ Script error: No such module "citation/CS1".
  52. ↑ Script error: No such module "citation/CS1".
  53. ↑ a b c d Script error: No such module "citation/CS1".
  54. ↑ Script error: No such module "citation/CS1".
  55. ↑ Script error: No such module "citation/CS1".
  56. ↑ Script error: No such module "citation/CS1".
  57. ↑ Script error: No such module "citation/CS1".
  58. ↑ Script error: No such module "citation/CS1".
  59. ↑ Script error: No such module "citation/CS1".
  60. ↑ Script error: No such module "citation/CS1".
  61. ↑ Script error: No such module "citation/CS1".
  62. ↑ Script error: No such module "citation/CS1".
  63. ↑ Script error: No such module "citation/CS1".
  64. ↑ Script error: No such module "citation/CS1".
  65. ↑ Script error: No such module "citation/CS1".
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