Can you recall the last time you actually extracted your smoke-shield oxygen mask from its compartment and visually checked it over? The current wording of FAR Part 121.333 says you should do exactly that on each preflight cockpit setup. But, as Ireland’s Air Accident Investigation Unit (AAIU) pointed out after a recent incident, “it has become custom and practice” for pilots to check oxygen and microphone functions with the masks in-situ in their stowage boxes beside crew ...


Register now for free access to "When Irish Eyes: The Importance Of Seeing Things Clearly" and other premium content selected daily by our editors. 


Current magazine subscribers: digital access to articles associated with your subscription are now included at no added charge to you. Simply use your subscriber email to log in to your account (or contact us for assistance in updating your account).
Current Aviation Week Intelligence Network (AWIN) enterprise and individual members: please go to for access.


Already registered? Log in here here.