Civil aviation / Turbofan engine
PD-8
A high-bypass, dual-shaft turbofan engine developed by United Engine Corporation for the Superjet 100 regional aircraft and the Be-200 amphibious aircraft.
8 tthrust class
25critical technologies developed
17 of 25entirely new technologies
01
Engineering
Advanced solutions inside the engine
The PD-8 was developed using advanced technologies and the latest Russian materials, including additive manufacturing. Mathematical modelling was also used as part of the certification substantiation.
FOR THE FIRST TIME
A supersonic high-pressure turbine stage with a pressure reduction ratio of four is used in the PD-8. Gas pressure decreases fourfold from its initial level at the turbine inlet, contributing to improved specific fuel consumption.
PD-8 / Product view
Seen from every angle
PD-8 / RELIABILITY
Proven reliability under the most challenging operating conditions.
02
Certification programme
Proven through extensive testing
PD-8 / Certification tests
Enginetestprogramme
Extreme conditions
Tested beyond normal operation
Certification test
BIRD STRIKE
Four bird carcasses were fired at the engine within one second at full throttle, simulating a flock of birds. Impact speed corresponded to aircraft take-off and landing speed: 103 m/s. The engine retained stable operation and thrust control.
Certification test
SEVERE HAIL
During a 30-second test, approximately 220 kg of ice was fired into the operating engine at speeds of up to 240 m/s. The PD-8 maintained stable operation.
Certification test
HEAVY RAIN
Several tonnes of water were injected into the engine during each test cycle, simulating heavy rainfall during take-off, climb and landing. The engine operated reliably.
Certification flight
PROVEN IN NATURAL ICING
The PD-8 engines also demonstrated flawless operation in the Arkhangelsk Region during certification flights of the Superjet aircraft in natural icing conditions.
Safety comes first
Fan blade-out test
During certification testing at take-off mode, a fan blade was deliberately damaged. Its fragments remained contained within the engine casing, confirming the structural reliability required for flight safety.
150 HOURS
Endurance certification test
Operating at the limits
For a month and a half, the engine was tested at maximum working limits, including maximum thrust, maximum rotor speeds and maximum low-pressure turbine gas temperature.
Maximum thrust
Maximum rotor speed
Maximum turbine temperature
Flight programme
From the test bench to the aircraft
6,000+ kmlong-distance flight in June 2025
≈9 hflight duration
12,000 maltitude reached
In January 2026, PD-8 engines powered the Superjet's round-trip flight to the Wings India airshow.
Aircraft applications
PD-8 on the aircraft
The PD-8 is developed for the Superjet regional aircraft and the Be-200 amphibious aircraft.
100+ INSPECTIONS
Detailed teardown inspections
Checked down to the smallest components
During the test programme, specialists repeatedly disassembled the engine to assess component condition after extreme operation. The procedure was performed more than one hundred times.
United Engine Corporation
Integrated engine-building expertise
UEC specialises in the development, serial production and maintenance of engines for civil and military aviation, space programmes and naval applications, as well as the oil and gas and energy industries.