tipsfromchip’s review published on Letterboxd :
This pseudo-documentary shows footage of the first successful flight over Mt. Everest in the early 1930s. There is actual footage taken from the planes, but it is mixed with re-creations from the real people attempting to act. They even throw in a wholly fictional bit about a damaged oxygen hose that gets fixed, no joke, by wrapping a cloth over it. (And the next time we see the man the cloth is on the opposite side of the oxygen mask.)
The men would never even make a community theater group, but they are the real deal in regards to the risks they took flying open cockpit biplanes over Mt. Everest at the cruising altitude of modern day airliners.