CHICAGO (AP) — Annoyance among airline crews at security hassles in airports has been on the rise for years. But the use of full-body scanner has ramped up the frustration.Even one of the nation's most celebrated pilots, Chesley "Sully" Sullenberger, detects the unease.The recently retired airline pilot successfully ditched his damage US Airways plane in the Hudson River last year.He says pilots are already the last line of defense on a plane, so shouldn't be subject to such thorough checks.Airline pilot Patrick Smith recalled being stopped by security because he had a butter knife in a bag. He asked why he would need a butter knife if he were up to no good. He says such incidents illustrate the absurdities of security procedures.