Originally Posted by
Prada
Thats why some pilots who fly high, need to breath pure oxygen before flight - to reduce nitrogen, dissolved in tissues, to avoid incapacitating deco sickness.
So, with uncompressed cabin, breathing pure oxygen, flying at normal flight levels is possible, only you must reduce your dissolved nitrogen before flight.
So what would happen if you were at FL310 for example on a cargo flight and had a depressurization and decided to continue on 100% oxygen?