Can it be packed for safe shipment as checked baggabe and insured>?
At least if you call the airline first and then the pilot refuses it aboard you have a case for not traveling and making a claim for a fare refund.
Travel tips:
http://members.aol.com/ajaynejr/travel.htm
The amount of neon in a sign is very small, but some "neon" signs use mercury vapor instead of neon and there may be a tiny visible glob of mercury sealed inside.
[This message has been edited by AllanJ (edited Jan 17, 2004).]