This documnet has been declared "CANCELLED" as of November 2010 and has been superseded by SAE ARP 4740. By this action, this document willl remain listed in the Numerical Section of the Aerospace Standards Index noting that it is superseded by SAE ARP 4740.

This SAE Aerospace Information Report (AIR) discusses the question of smokers and their opinions and intentions toward smoking in lavatories of transport aircraft during flight. The study has implications for instructions and warnings given to passengers.