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| CC-115 Buffalo | |
|---|---|
| Name | CC-115 Buffalo |
| Role | Short Takeoff and Landing transport |
| Manufacturer | de Havilland Canada |
| First flight | 3 June 1964 |
| Introduced | 1967 |
| Status | Retired from Canadian Forces 2020s |
| Produced | 1964–1968 |
| Number built | 97 |
CC-115 Buffalo is a Canadian-designed short takeoff and landing (STOL) utility transport derived from the de Havilland Canada DHC-5 Buffalo, used extensively by the Royal Canadian Air Force, civilian operators, and international air arms for tactical transport, search and rescue, and logistical support. The type combined rugged de Havilland Canada engineering with powerful turboprop engines to operate from austere fields in regions such as the Arctic, British Columbia, and overseas deployments including Bosnia and Herzegovina and Afghanistan. As both a military and civilian workhorse, the Buffalo served alongside types like the Lockheed C-130 Hercules, CASA CN-212, and Dornier Do 228 in demanding environments.
The Buffalo was developed by de Havilland Canada during the early 1960s to meet a requirement for a medium-lift, STOL transport, competing conceptually with aircraft such as the Short Belfast and the Vickers Vanguard. Drawing on prior projects like the de Havilland Canada DHC-4 Caribou and the de Havilland Canada DHC-6 Twin Otter, designers prioritized a high-lift wing, a boxy fuselage for cargo volume, and double-slotted flaps to achieve exceptional low-speed handling. Powered by two General Electric T64 turboprops, the airframe incorporated large rectangular wingtip endplates and a rear loading ramp to facilitate rapid embarkation identical in purpose to ramps on the Fairchild C-123 Provider and the Transall C-160.
Early prototypes completed flight testing in the mid-1960s with certification influenced by authorities such as Transport Canada and the Federal Aviation Administration. Structural work leveraged techniques previously used on the de Havilland Mosquito and later seen on the Bombardier Dash 8 family through evolving Canadian aerospace practices. Customer feedback from operators like the Royal Canadian Air Force and multiple civilian carriers shaped avionics fit and interior modularity for roles ranging from troop transport to medevac.
The CC-115 served with the Royal Canadian Air Force primarily in tactical transport, Arctic resupply, and search-and-rescue support, often operating from gravel strips near communities such as Iqaluit, Whitehorse, and Yellowknife. In international deployments the type supported peacekeeping and NATO logistics in theatres including Bosnia and Herzegovina under NATO and United Nations mandates, and participated in humanitarian missions alongside organizations like Canadian Red Cross and United Nations High Commissioner for Refugees. The Buffalo’s STOL performance enabled operations in terrain similar to that used by the United States Air Force Pararescue assets and the Royal Air Force's short-field logistics efforts.
Civilian Buffaloes saw use with regional carriers, aerial survey firms, and geological exploration companies linked to the Hudson's Bay Company supply chains and the Northern Canada resource sector. The type frequently appeared in joint exercises with units such as the Canadian Rangers and participated in national relief operations following events comparable to the 1998 Ice Storms in Eastern Canada.
- DHC-5A: Original production variant developed by de Havilland Canada offering baseline STOL capability akin to prototypes used in trials with Transport Canada. - CC-115: Canadian Forces designation for DHC-5s procured by the Royal Canadian Air Force with military avionics, reinforced floors, and cargo-handling systems similar to modifications seen on the Fairchild C-123 Provider. - Civil transports and freighters: Modified airframes for operators such as regional carriers and exploration firms, often reconfigured with role-specific interiors like medevac stations used by providers comparable to Air Tindi and First Air. - Proposed upgrades: Later-life retrofit programs considered modern avionics suites comparable to those installed in the Lockheed L-100 conversions and powerplant improvements reflecting trends in conversions by companies such as Field Aviation.
General characteristics - Crew: Typical crew composition similar to medium transports such as the CASA CN-212 and the Antonov An-26. - Capacity: Cargo or personnel loads configurable for palletized freight, stretchers, or up to comparable troop complements used on aircraft like the Short SC.7 Skyvan. - Powerplant: Two General Electric T64 turboprop engines delivering thrust in line with contemporaneous STOL transports. - Dimensions and performance: Designed for operations from short, unimproved strips with takeoff and landing distances rivaling the de Havilland Canada DHC-6 Twin Otter and cruise speeds below types like the Boeing 737.
Avionics and systems reflected mid-life modernization efforts to meet standards set by agencies such as Transport Canada and NATO interoperability requirements observed in fleets operating with Air Command policies.
Primary military operator was the Royal Canadian Air Force. Civilian operators included regional carriers, aerial survey companies, and exploration support firms operating in Canada, with exports and sales to operators in regions such as Africa and South America analogous to customers of other STOL transports. International air arms and government agencies occasionally employed Buffalo airframes for logistics and humanitarian tasks in cooperation with entities like the United Nations and NATO.
Several Buffalo accidents involved operations in harsh environments, with incidents occurring during Arctic resupply missions and short-field landings, paralleling risks faced by types such as the de Havilland Canada DHC-4 Caribou and Short SC.7 Skyvan. Investigations were conducted by authorities including Transport Canada and military boards of inquiry, often prompting review of operational procedures for cold-weather operations, gravel runway techniques, and maintenance practices comparable to post-accident reforms affecting fleets like the Lockheed Hercules community.
Category:de Havilland aircraft Category:Canadian military transport aircraft