MS-21 begins engine water protection tests
The test is meant to confirm that water does not disrupt any of the MS-21’s existing systems, equipment or structural elements.
Source | Irkut Corporation
Irkut Corp. (as part of Russia's United Aircraft Corp., or UAC), reported on July 17 that it has begun testing for its MS-21-300 passenger aircraft in order to confirm the possibility of operating the aircraft in the presence of water on the runway. The tests are being conducted as part of the aircraft’s certification program, in accordance with Russian and European airworthiness standards.
To conduct tests at the Ulyanovsk-Vostochny airfield, a “pool” more than 70 meters long and 20 meters wide was mounted. Irkut notes that the pool’s parameters provide a normalized water depth in accordance with previously established Russian and international requirements.
Within a few days, Irkut says its MS-21 aircraft will run on water in a wide range of speeds and different main engine modes, including the use of thrust reverser. The company says that, during the tests, it’s necessary to confirm that the water doesn’t disrupt the aircraft’s main and auxiliary power units during movement, and doesn’t damage any structural elements, systems or equipment.
The course of the tests is said to be recorded by a range of onboard measurement equipment, including video surveillance systems installed on the ground, the plane and attached to certification center representatives and Irkut Corp. specialists.
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