Court of Appeals for the Ninth Circuit January 9, 2002, 99-15974 (Skysign International, Inc. v. City and County of Honolulu Does 1-100)

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O’SCANNLAIN, Circuit Judge:

We must decide whether federal law preempts a local ordinance regulating advertisements borne by aircraft.

I

Skysign International, Inc. (“Skysign”), a Hawaii corporation, was a provider of aerial advertising on the island of Oahu. Its helicopters carried lighted signs beneath their fuselages, bearing advertisements for Skysign’s clients.