Алексей Коваль | 2019-01-05 15:30:02
Mauricio, no problem for Eng, yes, most likely so. All experimental aircraft, incl. testbeds, must have it. Even the basic a/c tested well already, as Tu-214 —there may be tests at very low speed/AOA, so stall is possible. And simply the emergency escape door is required by testing rules.