CF-105 Arrow

CF-105 Arrow
Name	Avro Canada CF-105 Arrow
Caption	Prototype CF-105 at Malton
Type	Interceptor aircraft
Manufacturer	Avro Canada
First flight	25 March 1958
Primary user	Royal Canadian Air Force
Status	Cancelled

CF-105 Arrow The Avro Canada CF-105 Arrow was a delta-wing interceptor developed in the 1950s to defend North American airspace against high-altitude bomber threats. Conceived and built by Avro Canada at Malton, the program involved collaborations with companies and institutions across Canada and allied countries during the Cold War, but it was abruptly terminated before full operational deployment.

Development and Design

Development began under Avro Canada executives and chief designers influenced by contemporaneous projects at Fairey Aviation, Mikoyan-Gurevich, and English Electric. Political oversight included ministers from Diefenbaker Ministry and officials of the Royal Canadian Air Force, with procurement coordination involving representatives from North American Aerospace Defense Command and advisors with ties to Royal Air Force planning. Industrial partners included engineering firms and subcontractors from Ontario, Quebec, and international contractors linked to Rolls-Royce and General Electric. Aerodynamic choices reflected research from institutions such as the National Research Council (Canada), and guidance systems development referenced technologies explored by teams at Eastman Kodak Company (USA) and radar firms with heritage in Marconi Company work. The design emphasized a thin delta wing, a fully integrated fire-control system with radar and missile integration, and high-subsonic to supersonic performance evaluated against requirements set by air chiefs influenced by experiences from the Korean War and strategic assessments tied to the North Atlantic Treaty Organization.

Technical Specifications

Airframe architecture drew on delta planform studies popularized in aircraft like the Dassault Mirage III and the Convair F-102 Delta Dagger, featuring a low-observable cross-section for the era and internal weapons bays conceived for missiles analogized to those in McDonnell F-101 Voodoo planning. Powerplant programs negotiated with turbine manufacturers paralleled developments in engines such as the Rolls-Royce Avon and the Pratt & Whitney J75, while avionics suites reflected radar trends seen in installations on the Northrop F-89 Scorpion and guidance concepts pursued on the CIM-10 Bomarc. Structural engineering used materials and fatigue testing techniques akin to those at Massachusetts Institute of Technology and metallurgy programs at McMaster University. Performance targets included rapid climb, sustained Mach capability at altitude, and interception radius requirements influenced by strategic assessments tied to Strategic Air Command posture. Crew accommodation, ejection systems, and flight control arrangements were informed by survivability research associated with institutions like Johns Hopkins University Applied Physics Laboratory.

Flight Testing and Operational Evaluation

Prototype flight testing was conducted at aerodromes connected with Malton Airport operations and flight test personnel with experience from Royal Canadian Navy and allied test squadrons. Flight envelopes explored high-speed handling characteristics similar to trials of the Lockheed F-104 Starfighter and delta handling regimes studied alongside the BAC TSR-2 program. Instrumentation and telemetry systems used heritage from experimental programs at NASA Ames Research Center and data analysis techniques comparable to those applied in Bell X-1 research. Operational evaluation considered integration with RCAF tactics developed in coordination with Air Defence Command (Canada) and potential basing with units patterned after 8th Air Force dispersal concepts. Test pilots included veterans who had flown aircraft designed by Avro (UK), Gloster Aircraft Company, and other Cold War-era manufacturers.

Cancellation and Aftermath

The cancellation decision involved cabinet deliberations within the Diefenbaker Ministry and communications with officials at NORAD and the Department of National Defence (Canada). Strategic shifts emphasizing missile-based deterrence and surveillance assets, influenced by developments in Intercontinental Ballistic Missile doctrine and surveillance platforms like Boeing B-52 Stratofortress and early warning radars associated with the DEW Line, factored into policy changes. Industrial repercussions affected suppliers across Ontario manufacturing hubs and drew responses from trade unions and political figures linked to Progressive Conservative Party of Canada debates. Legal and archival implications prompted inquiries involving archivists from the Library and Archives Canada and historians associated with Canadian War Museum projects. International reactions included commentary from aerospace firms with stakes in cancelled advanced projects such as Sukhoi and Mikoyan predecessors.

Survivors, Wreckage, and Preservation

Following program termination, airframes and tooling were scrapped under contracts managed by agencies in Toronto and logistics firms with links to salvage operations in Ontario. Remaining artifacts entered collections at museums including exhibits curated by staff from the Canada Aviation and Space Museum and regional museums with curators experienced in preserving Cold War material related to CF-100 Canuck collections. Surviving components and documentation have been subjects of provenance research by scholars at University of Toronto and restoration efforts led by volunteers with backgrounds from Canadian Aviation Historical Society. Preservation debates involved conservation specialists who previously worked on artifacts from collections of the Imperial War Museum and restoration projects referencing methodologies from the Smithsonian Institution.

Legacy and Cultural Impact

The program left a legacy discussed in analyses by historians associated with Carleton University, commentators in The Globe and Mail, and filmmakers linked to documentaries screened at festivals like Toronto International Film Festival. It influenced Canadian aerospace policy debates addressed in parliamentary committees and inspired engineering curricula at institutions such as McGill University and Queen's University. Cultural representations appear in literature by authors connected to HarperCollins Canada and exhibitions organized with collaborators from Ontario Science Centre and media coverage from broadcasters like Canadian Broadcasting Corporation. The Arrow's story remains part of public memory examined in symposia hosted by Royal Canadian Geographical Society and commemorated in plaques installed by municipal authorities in Mississauga and other locales.

Category:Avro Canada aircraft