Or, a loon proper, upon a base barry wavy of six azure and or.
(Glossary of Heraldic Terms)
A superb swimmer, capable of the most delicate of manoeuver both above and below the water, the symbol was appropriate for one of HMC ships.
A member of the Bird class of patrol boats, Loon was commissioned in November 1955, and wore pennant 780 until she was decommissioned in August 1965.
Black and gold
Badges Of The Canadian Navy by Arbuckle, J. Graeme. Halifax: Nimbus Publishing, 1987.