In commercial passenger aviation, how frequent (or infrequent) is the case that oxygen masks deploy?
Please include links to statistics.
Aviation Stack Exchange is a question and answer site for aircraft pilots, mechanics, and enthusiasts. It only takes a minute to sign up.Sign up to join this community
Very, very rare, probably in the range of sinlge digits per 100,000 flights (for major first-world airlines, perhaps higher elsewhere).
I'll try to get you a more numeric answer tomorrow.
Posting an answer now so that I can edit it, evem if the question gets closed between now and then.
"Opinion based", horsefeathers!