Sounds like this Argentinian film, Whisky Romeo Zulu.
The drama is based on the experiences of Enrique Piñeyro, former airline pilot turned whistle-blower, who became a film actor-director, and of the August 31, 1999
LAPA(Líneas Aéreas Privadas Argentinas) airline accident.
https://en.m.wikipedia.org/wiki/Whisky_Romeo_Zulu