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TAI T-625

Twin-Engine Medium-Lift Transport Helicopter

TAI T-625

Twin-Engine Medium-Lift Transport Helicopter


The T-625, a six-ton, twin-engined system, is a commercially-minded product being developed by TAI of Turkey.
National Flag Graphic
ORIGIN: Turkey
YEAR: 2020
STATUS: In-Development
MANUFACTURER(S): Turkish Aerospace Industries (TAI) - Turkey
OPERATORS: Turkey (planned)

Unless otherwise noted the presented statistics below pertain to the TAI T-625 model. Common measurements, and their respective conversions, are shown when possible.
LENGTH: 54.63 feet (16.65 meters)
WIDTH: 45.28 feet (13.8 meters)
HEIGHT: 16.34 feet (4.98 meters)
WEIGHT (EMPTY): 7,716 pounds (3,500 kilograms)
WEIGHT (MTOW): 13,669 pounds (6,200 kilograms)
ENGINE: 2 x LHTEC CTS800 turboshaft engines developing 1,373 horsepower driving a five-bladed main rotor and four-bladed tail rotor.
SPEED (MAX): 171 miles-per-hour (276 kilometers-per-hour; 149 knots)
RANGE: 621 miles (1,000 kilometers; 540 nautical miles)
CEILING: 19,997 feet (6,095 meters; 3.79 miles)
RATE-OF-CLIMB: 2,000 feet-per-minute (610 meters-per-minute)


Series Model Variants
• T-625 - Base Series Designation


Detailing the development and operational history of the TAI T-625 Twin-Engine Medium-Lift Transport Helicopter.  Entry last updated on 9/17/2018. Authored by Staff Writer. Content ©
Turkey's ambitions in the realm of aeronautics continue to grow with the inclusion of its first-ever indigenous medium-lift helicopter product by Turkish Aerospace Industries - the "T625". The type is being developed as a direct competitor, in an already crowded market, to existing foreign models such as the French Airbus AW139 and American Sikorsky Model S-76 lines. The Turkish military stands to gain the most from its development for it fields an aging fleet of Bell UH-1 Huey helicopters for the medium-lift role. Beyond its obvious military value, the T625 will also be offered for civilian market roles to include VIP transport, oil/gas industry transport, Search and Rescue (SAR) and other roles typically slated for medium-class helicopters.

The T625 was born in a 2013 government-sponsored initiative for a multi-role helicopter platform.

The aircraft will be given a traditional layout with lines not unlike the helicopters already offered from competitor Airbus. A short, rounded nosecone will make up the frontal section which will feature heavy glazing for maximum vision out-of-the-cockpit for pilots. Aft of the cockpit will be the passenger cabin with sliding entry-exit doors. Above the cabin will be the installation of the twin turboshaft engine arrangement. This will power a five-bladed main rotor unit above the fuselage. A drive shaft will connect this powerplant fit to a four-bladed tail rotor unit offset to the starboard side of the tail fin. At the tail will also be the horizontal stabilizer which will be capped at its ends by winglets. The undercarriage is set to be of a tricycle arrangement and complete retractable. Internally, the aircraft will hold a configurable cabin with seating for up to twelve occupants.

In terms of power, it is hoped that local Turkish industry will be able to deliver a homegrown turboshaft engine to field in the T625. Officially the helicopter is outfitted with the Rolls-Royce / Honeywell LHTEC CTS800 engine series of 1,373 horsepower but the export potential of this engine is limited by United States control. This same engine family powers the new TAI T129 ATAK Turkish attack helicopter product. Estimated performance specs for the T625 include a cruising speed of around 172 miles per hour. Range is expected to reach at least 775 miles with a service ceiling nearing 20,000 feet.

A first-flight is tentatively scheduled for September of 2018. The developmental program will involve three flyable prototypes. Certification is planned for 2020. A four-seat training variant is also said to be in the works.


November 2017 - The T-625 was displayed (in mock-up form) at the Dubai Air Show.

February 2018 - The T-625 is on pace to enter market service sometime in 2020.

August 2018 - An incomplete prototype form of the T-625 medium-lift helicopter was unveiled on August 19th, 2018.

September 2018 - On September 6th, 2018, the T-625 prototype completed a short, 20-minute "hop" during early testing.

Our Data Modules allow for quick visual reference when comparing a single entry against contemporary designs. Areas covered include general ratings, speed assessments, and relative ranges based on distances between major cities.

Image of collection of graph types

Relative Maximum Speed
Hi: 200mph
Lo: 100mph
This entry's maximum listed speed (171mph).

Graph average of 150 miles-per-hour.
City-to-City Ranges
Graph showcases the TAI T-625's operational range (on internal fuel) when compared to distances between major cities.
Aviation Era
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Pie graph section
Useful in showcasing the era cross-over of particular aircraft/aerospace designs.
Unit Production (0)
Comm. Market HI*: 44,000 units
Military Market HI**: 36,183 units

  * Commercial Market High belongs to Cessna 172.

  ** Military Market High belongs to Ilyushin Il-2.

Altitude Visualization
Small airplane graphic
Supported Roles
Ground Attack
Aerial Tanker
A2A=Air-to-Air; UAV=Unmanned; CAS=Close Support; ASW=Anti-Submarine; AEW=Airborne Early Warning; MEDEVAC=Medical Evac; EW=Electronic Warfare; SAR=Search-Rescue
Commitments / Honors
Military lapel ribbon for Operation Allied Force
Military lapel ribbon for the Arab-Israeli War
Military lapel ribbon for the Battle of Britain
Military lapel ribbon for the Battle of Midway
Military lapel ribbon for the Berlin Airlift
Military lapel ribbon for the Chaco War
Military lapel ribbon for the Cold War
Military lapel ribbon for the Cuban Missile Crisis
Military lapel ribbon for pioneering aircraft
Military lapel ribbon for the Falklands War
Military lapel ribbon for the French-Indochina War
Military lapel ribbon for the Golden Age of Flight
Military lapel ribbon for the 1991 Gulf War
Military lapel ribbon for the Indo-Pak Wars
Military lapel ribbon for the Iran-Iraq War
Military lapel ribbon for the Korean War
Military lapel ribbon for the 1982 Lebanon War
Military lapel ribbon for the Malayan Emergency
Military lapel ribbon representing modern aircraft
Military lapel ribbon for the attack on Pearl Harbor
Military lapel ribbon for the Six Day War
Military lapel ribbon for the Soviet-Afghan War
Military lapel ribbon for the Spanish Civil War
Military lapel ribbon for the Suez Crisis
Military lapel ribbon for the Vietnam War
Military lapel ribbon for Warsaw Pact of the Cold War-era
Military lapel ribbon for the WASP (WW2)
Military lapel ribbon for the World War 1
Military lapel ribbon for the World War 2
Military lapel ribbon for the Yom Kippur War
Military lapel ribbon for experimental x-plane aircraft
* Ribbons not necessarily indicative of actual historical campaign ribbons. Ribbons are clickable to their respective campaigns/operations.

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