1 Helicopter Flight [1 HF] (1951-53)
Heavier-than-air Helicopter Air Squadron [VH 21] (1953-55)
Helicopter Utility Squadron [HU 21] (1955-72)
Aircraft Flown: Bell HTL-4 , Piasecki HUP-3 , Sikorsky H04S , Bell HTL-6 , Sikorsky Sea King
Home Base: Shearwater, NS
Ships Served On: HMCS Magnificent, HMCS Bonaventure & HMCS Labrador
Colours: White & Red
Motto: Omnibus Paratus (Prepared For Everything)
Originally formed as Number 1 Helicopter Flight in September 1951, it was renamed VH 21 under the US system of numbering and then Detachment No. 3 of the squadron became known as HU 21 in April 1955. It later disbanded in July 1972 when VT 406 Squadron assumed its aircrew training functions.
Role: Served as the RCN's helicopter utility squadron performing such duties as Search & Rescue, Training, Transport, Carrier Onboard Delivery and Carrier Plane Guard.