Jukin Media Verified (Original) * For licensing permission to use: Contact - licensing(at)jukinmediadotcom.\rbr\rbrYour flight training copilot presents a 3 part series on stalling. Part 1: What is a stall?\rbr\rbrI got good tweets ▷ I got good instas ▷ Like the Facebook page!\rbr\rbrAs part of certification the Boeing 747-800 Cargo undergoes stall tests to certify a natural, helping and controllable aircraft reaction under stalled condition.