DHC-4 Caribou

A RAAF Caribou aircraft flying over Esperance Bay. (Photo: Australia DoD)

DHC-4 Caribou

A RAAF Caribou aircraft flying low along the Great Australian Bight. (Photo: Australia DoD)

DHC-4 Caribou

A RAAF Caribou aircraft flying over Esperance. (Photo: Australia DoD)

DHC-4 Caribou

A Caribou aircraft of No. 38 Squadron conducts a sortie over Townsville's High Range Training Area in support of Exercise Northern Station 2007. (Photo: Australia DoD)

DHC-4 Caribou

Air Force personnel unload a Caribou aircraft of No. 38 Squadron at Townsville's High Range Training Area in support of Exercise Northern Station 2007. (Photo: Australia DoD)

DHC-4 Caribou

A Caribou aircraft of No. 38 Squadron conducts a sortie over Townsville's High Range Training Area in support of Exercise Northern Station 2007. (Photo: Australia DoD)

CC-138 Twin Otter

Side View of Twin Otter from 440 Transport Sqn in Yellowknife taken between Kugluktuk, Nunavut and Yellowknife, Northwest Territories. (Photo: Sergeant Dennis J. Mah)

CC-138 Twin Otter

A CC-138 Twin Otter Aircraft flies over the Strait of Georgia in British Columbia. It's a highly maneuverable, light, versatile transport Aircraft used primarily in northern Canada in support of Rangers and Cadets, and to transport units from southern areas of Canada to the north for exercises. (Photo: Private Vaughan Lightowler)

CT-138 Twin Otter

A Twin Otter from 440 Squadron, based in Yellowknife, sits on a small airstrip near the village of Whale Cove, Nunavut. (Photo: MCpl Charles Barber)

CC-138 Twin Otter

A CC-138 Twin Otter aircraft from 440 Squadron, taxis across the ice of McClintock Inlet, Ellesmere Island, during OP NUNALIVUT 08. (Photo: Master Corporal Kevin Paul)

CC-138 Twin Otter

A CC-138 Twin Otter from 440 Transport Squadron heads out from Fort Eureka to provide forward caching support with fuel and rations to patrols around Ellesmere Island during Operation Nunalivut 2009. The Twin Otter has been with the Canadian Forces (CF) since early 1970; it is used extensively in the North for light utility and personnel transport because of its ability to perform in diverse conditions. (Photo: Sergeant Errol Morel)

CC-138 Twin Otter

A CC-138 Twin Otter from 440 Squadron, Yellowknife, NWT departs from the Forward Operating Location in Iqaluit, NU on a re-supply mission to the Brevoort BAF-3 North Warning System Site. These aircraft conducted numerous missions during Operation NANOOK 09. (Photo: Sgt Eileen Redding)