Turkish T625 medium-lift multirole helicopter made its maiden flight on 6 September - Video

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Maiden flight for Turkish T625 helo


Gareth Jennings, London - IHS Jane's Defence Weekly

09 September 2018

The T625 medium-lift multirole helicopter developed indigenously by Turkey made its maiden flight on 6 September, Turkish Aerospace Industries (TAI) announced.

The twin-engined helicopter flew for 20 minutes at TAI’s Ankara facility in the Turkish capital, during which an initial assessment of the general flight characteristics, transmission, and rotor systems was carried out.

As noted by TAI, the T625 has been designed for domestic and international military, paramilitary, and civilian purposes in hot-and-high environments, and is equipped to carry 12 passengers. Development under the Turkish Light Utility Helicopter (TLUH) programme began in 2010, with TAI and the Turkish Undersecretariat for Defense Industries (SSM) signing an initial contract in June 2013. Initially named Özgün (Original), the T625 designation was revealed in December 2016, and denotes a 6 tonne maximum take-off weight, two engines, and five main rotor blades.

Key design features include a five-bladed main rotor and a four-bladed tail rotor to minimise vibration and noise, as well as a 30-minute ‘run-dry’ capability for the gear box. Aselsan are providing the avionics for the cockpit, which features two wide touchscreens (8×20 inches) and two smaller touch screens (8×10 inches).

Powered by twin LHTEC (a Rolls-Royce & Honeywell partnership) CTS800 turboshaft engines, the T625 features a 4-axis dual redundant automatic flight-control system, and all critical systems such as the transmission, rotors, landing gear, and aerostructures have been designed by TAI.

Performance specifications listed in Jane’s All the World’s Aircraft: Development & Production give the T625 a service ceiling of 20,000 ft, a maximum speed of 165 kt, a range of 740 km (948 km with auxiliary fuel), and an endurance of 3 hours 50 minutes.

The civil certification process of the helicopter is ongoing with the Turkish Directorate General of Civil Aviation, after which European Aviation Safety Authority (EASA) certification will follow.

Source: janes.com

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Published on Sep 6, 2018

Turkish Aerospace T625 Helicopter first flight | T625, ilk uçuşunu gerçekleştirdi

T625 medium-lift multirole helicopter

T625 Multirole Helicopter is a new generation, twin engine, 6 ton class helicopter developed in response to the growing market demand for higher mission flexibility in this class.

T625 Multirole Helicopter is designed and optimized to meet and exceed the multi-mission requirements for hot & high geographical environments and for adverse weather conditions. The aircraft incorporates several new technology features to provide the highest levels of safety and operational benefits for operators.

Within the scope of the contract signed between TAI-Turkish Aerospace Industries, Inc. and Undersecretariat for Defence Industries (SSM) in 2013, T625 Multirole Helicopter is being developed for both domestic and international markets.

The platform has a five-bladed main rotor and a four-bladed tail rotor to minimize vibration and noise. Both main and tail rotor hubs are fully-articulated with elastomeric bearings. Both rotor systems are driven by a transmission system which consists of the three-stage main gear box having the capability of operation for 30 minutes in the event of loss of lubrication. Within the scope of the program, critical systems such as transmission system, rotor system and landing gears as well as aerostructures are designed from scratch in TAI.

The T625 Multirole Helicopter has state-of-the art ASELSAN avionics with glass cockpit having two wide touchscreen (8x20 inches) Integrated Mission Displays and two touch screen (8x10 inches) data entry Touch Command Control Unit. A 4-axis dual redundant automatic flight control system is developed to provide superior performance and handling quality.

The cockpit provides a comfortable and high visibility environment for both pilots. T625 cabin is designed for comfortable seating for 12 passengers. The extensive cabin space can be configured to meet the requirements of multi-purpose operations such as cargo, VIP transportation, ambulance, off-shore and search & rescue operations. The geometry of the helicopter is optimized for maximum aerodynamic performance with retractable landing gears hence providing an efficient fuel consumption leading to better range and endurance.

T625 Multirole Helicopter incorporates two LHTEC (a Rolls Royce & Honeywell Partnership) CTS800 turboshaft engines, 1373 shp each, enabling the aircraft to perform in hot & high environments and perform safely in one engine loss condition for Category-A certification. T625 is designed for IFR and VFR single pilot operations, night operations and flight in known icing conditions.

Source: tai.com.tr