[plaque/plaque]

TWIN 4" MK XVI AA GUN

THIS TYPE OF RAPID FIRING GUN WAS
THE MAIN ARMAMENT OF WW II CRUISERS,
DESTROYERS & FRIGATES FOR AIRCRAFT DEFENCE,
IT WAS A LETHAL WEAPON WITH MUZZLE VELOCITY
OF 2650 FEET PER SECOND AND RANGE UP TO
19,400 Yards (11 MILES). SHELLS WEIGHED 63 LBS.

UPKEEP OF THIS GUN PROVIDED BY THE THUNDER
BAY NAVAL HERITAGE FUND AND HMCS GRIFFON.
MAY 5, 2002