And for special effects, you can use the Halon or CO2 Fire Extinguisher on the face of the cockpit intruder.
But the bottom line is that pax no longer will sit idle during any inflight confrontation. Fearing for their own safety and survival, passengers would quickly tackle any would be hijacker. This fact already has been demonstrated with the "shoe bomber" and the Urugayan "banker" nut-case who attempted to break into the UA 777 cockpit.
ALPA's aerial cowboy mentality is reactionary. Juvenile. Impractical reality.
