Plenty of pilots have been known to shoot blanks. Hey, it happens. And I totally understand if your weapon goes off prematurely. There’s nothing to be ashamed of. But not in the cockpit!
Pilot’s Gun Goes Off In Cockpit
Plenty of pilots have been known to shoot blanks. Hey, it happens. And I totally understand if your weapon goes off prematurely. There’s nothing to be ashamed of. But not in the cockpit!
Heather Poole 
http://edition.cnn.com/2008/TRAVEL/12/02/tsa.holster/index.html
“the Office of Inspector General — an independent arm of the Department of Homeland Security — concluded the design of the locking holsters “increases the likelihood of an accidental discharge of a weapon in an aircraft cockpit.”