Originally Posted by
WARich
The masks are for cabin depressurization. Now can they provide some assistance during smoke/fumes? Well that's up to the big man in the left seat. I guess I don't see the harm in giving them something, though I don't think that was the original intent based on the FCOM. Just my 2 cents...
Other than the fact that if you do have an actual cabin fire you are now pumping pure oxygen into the cabin. Not sure if I would want to be providing an excellent fuel source to fan the fire.