TAI T625 Gökbey

The TAI T625 Gökbey is a twin-engined light transport/utility helicopter developed by Turkish Aerospace Industries.[2] Turkey's Undersecretariat for Defence Industries plans to offer the new platform to Turkish Armed Forces and cooperating nations.[3]

T625 Gökbey
T625 mock-up at the 2017 Paris Air Show
Role Utility helicopter
National origin Turkey
Manufacturer Turkish Aerospace Industries
First flight 6 September 2018
Status Undergoing testing [1]
Primary users Turkish Air Force
Turkish Army
Turkish Navy
Number built 4 prototypes built

Design and development

Turkish Aerospace Industries launched preliminary design studies in 2010.[4] The project commenced in 2013 when Undersecretariat for Defence Industries signed a contract with the Turkish Aerospace Industries to develop a 6-ton class multi-role helicopter for land operations.[3][5][2] Alp Aviation is responsible for production and assembly of landing gear, gearbox and dynamic components,[6] while Spanish CESA was selected to supply hydraulic systems.[7]

The T625 is expected to weigh 5 tonnes and is in the interim powered by two LHTEC CTS800 engines. The CTS800 was chosen due to commonality with the TAI/AgustaWestland T129. TUSAS Engine Industries has developed a next generation indigenous powerplant for the T625 named the TEI TS1400. First delivery of TEI TS1400 happened on December 5, 2020.[8]

The T625 features a four-axis dual redundant automatic flight control system, along with an ASELSAN glass cockpit with two wide touchscreen Integrated Mission Displays (8x20 inches) and two touchscreen data entry Touch Command Control Units (8x10 inches). It is designed for IFR and VFR single pilot operations, night operations and flight in known icing conditions.[9] The Turkish Presidency of Defense Industries has confirmed that it has obtained a multitude of patents for various sub-systems used in the T625.[10]

On 6 September 2018, the prototype, registered TC-HLP, conducted its maiden flight at Ankara.[11][12]

Specifications

Data from [8][13]

General characteristics

  • Crew: 2
  • Capacity: 12 passengers
  • Length: 15.87 m (52 ft 1 in)
  • Max takeoff weight: 6,050 kg (13,338 lb)
  • Powerplant: 2 × LHTEC CTS800-4A,( TEI TS1400 scheduled for 2024) turboshaft engine, 1,024 kW (1,373 hp) each
  • Main rotor diameter: 13.2 m (43 ft 4 in)

Performance

  • Maximum speed: 306 km/h (190 mph, 165 kn)
  • Cruise speed: 278 km/h (173 mph, 150 kn)
  • Range: 740 km (460 mi, 400 nmi) +
  • Endurance: 3 hours 48 minutes
  • Service ceiling: 6,096 m (20,000 ft)

See also

Related development

Aircraft of comparable role, configuration, and era

Related lists

References
  1. Gökbey Helicopter Continues Certification Flights with 4 Prototypes, TR: Quwa, May 2021.
  2. Helicopter Development Program (in Turkish), TR: SSM.
  3. "T625 Multirole Helicopter". TR: TAI..
  4. Global, IndraStra. "TAI T625 Özgün - Turkey's "Home-grown" Multi-role Helicopter". IndraStra. ISSN 2381-3652.
  5. Turkey To Build Its First Indigenous Helicopter Soon, TR: Defence World.
  6. From Ozgun to T-625: TAI Designates Indigenous Light Utility Helicopter, TR: Rotor and Wing, 11 January 2017.
  7. the new tluh helicopter by tai will have a hydraulic system developed by cesa, TR: Cesa official website, archived from the original on 2016-11-27.
  8. "TAI Enters Commercial Rotorcraft with T625" Archived 2013-07-12 at the Wayback Machine.>
  9. TAI promotes T625 multi-role helicopter, Fr: Air & Cosmos.
  10. "Turkey's indigenous helicopter achieves important milestone".
  11. "Maiden Flight From T625". C4 Defence..
  12. "Turkish Aerospace Flies T625 Utility Helicopter".
  13. T625 GENEL MAKSAT HELİKOPTERİ (in Turkish), TR: TAI.
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