Built in 1953, this 7th DHC-­‐3 Otter built, hence the N753AK.  It was the first Otter delivered to the Royal Canadian Air Force (RCAF) on March 28, 1953.     Allocated to the Central Experimental & Proving Establishment (CEPE) at Rockcliffe, Ottawa, for the purposes of evaluation of this new type of aircraft to enter RCAF service. …