This Twin Otter was registered N660MA when delivered to ARAMCO - Arabian American Oil Company in May 1969. The aircraft was based in Saudi Arabia until ferried back to the USA in 2010 and sold. Registered RDPL-34180 to Lao Skyway Aviation in December 2011, it was ferried eastbound to Vietnam. The aircraft came to grief on take off at Sam Neua, Laos when it hit trees and was written off on April 17, 2013. The wreckage was shipped by container to the USA in 2014 and stored as N564E. Moved to Canada in 2018, it was rebuilt in Calgary before registered C-GHAP to Harbour Air in February 2022.

Twin Otter C-GHAP was registered to Regent Aircraft Services Inc. in Calgary in February 2022 and to Harbour Air on May 13, 2022. It usually flies the airline's downtown-to-downtown route between Vancouver and Victoria Harbour.

This 1969 Twin Otter joined Harbour Air in January 2022, using a registration previously allocated to an Aero Commander

Built in 1963 and imported in May 1987 ex N512B. Registered to Gulair at Fisher Branch/MB (CKX4). Cancelled in March 1991 on export as N619T and expired on 21 May 2015 as N93AA.