The Mi-171A3 helicopter, developed for offshore missions and now in a configuration entirely based on Russian components, has completed its certification process and received official authorization to operate over large water surfaces.
The announcement was made by Rostec and by the Russian Helicopters holding, which highlighted the advance as a milestone for Russian aviation focused on complex maritime operations.
According to Rosaviatsiya, seven main approvals for changes to the aircraft design were issued. The most relevant step was the certification of the convertible offshore configuration, which now allows the Mi-171A3 to carry out flights in maritime areas far from the coast, expanding its use in missions to support oil and gas platforms, logistical transport and response in difficult-to-access environments.
According to the published data, the Mi-171A3 has proven safety for operations long distances from the coast and in severe operational conditions.
The test campaign included flights in mountainous regions of Kabardino-Balkaria, tests in a polar environment in the Salekhard region and landings on a drilling platform in the Caspian Sea, a scenario considered essential to validate its real application in offshore missions.
The aircraft was also certified for passenger and cargo transport, instrument flight in adverse weather conditions and landing and take-off operations in elevated areas. According to Russian Helicopters, more than 500 flights were carried out during the certification process, including simulations of abnormal situations and evaluations in extreme weather conditions.
One of the main highlights of the program was the validation of the first Russian impact-resistant fuel system structure. According to the tests, the components were able to withstand high shock loads, reducing the risk of leakage and fire in the event of an emergency landing. For the offshore segment, this type of solution is considered essential, as aircraft of this profile operate on long stretches over the open sea and under more stringent safety requirements.
Another central element of the Mi-171A3 configuration is its forced landing capability at sea with agitation of up to 5 points. In this condition, four floats installed on the sides of the fuselage are automatically activated to keep the aircraft stable in the water.
+ See the video of the float test on the Mi-171A3
The helicopter also has life rafts and other resources aimed at survival and evacuation in prolonged missions over the maritime environment.
Source and images: Rostec. This content was created with the help of AI and reviewed by the editorial team
