NASA : crash de test avec un Cessna 172

Lire http://www.flightsafetyaustralia.com/2015/08/nasa-crashes-172s-to-improve-elts/   [youtube https://www.youtube.com/watch?v=FsRwlr7RDkk&w=560&h=315]   [youtube https://www.youtube.com/watch?v=Kx5YeqTBcDI&w=560&h=315]…