Originally Posted by
F4E Mx
Well, that is a good question. Does the 777 have PBE (portable breathing equipment) in the cockpit to augment the crew supplemental oxygen. The regulation I found indicated the pilots oxygen system would satisfy the requirement for the PBEs, meaning there would not be a requirement to carry both in the cockpit.
Yes. I've never flown any airliner that doesn't have a PBE or two stored in cockpit. However a PBE is only going to buy you about 15 minutes tops.