British Airways 5390
Printed page 39. PDF page 46.
probably sensible but if the depressurisation had occurred at a greater height, say above 20,000 feet, it would have been imperative for him to don the oxygen mask to avoid incapacitation to the extent that he could not fly theOpen official document at PDF page 46Aircraft Accident Report 1/92: BAC One-Eleven G-BJRT, 10 June 1990