page_title: Grumman TBF Avenger
section_title: Royal Canadian Navy
hierarchical_section_title: Grumman TBF Avenger / Operational history / Royal Canadian Navy
caption_attribution_description: A General Motors A.S.4 Avenger drops its arresting hook and prepares to land aboard HMCS Magnificent. This one is technically still designated TBM-3E.
context_page_description: The Grumman TBF Avenger is an American torpedo bomber developed initially for the United States Navy and Marine Corps, and eventually used by several air and naval aviation services around the world.
  The Avenger entered U.S. service in 1942, and first saw action during the Battle of Midway. Despite the loss of five of the six Avengers on its combat debut, it survived in service to become the most effective and widely-used torpedo bomber of World War II, sharing credit for sinking the super-battleships Yamato and Musashi and being credited for sinking 30 submarines. Greatly modified after the war, it remained in use until the 1960s.
context_section_description: One of the primary postwar users of the Avenger was the Royal Canadian Navy, which obtained 125 former US Navy TBM-3E Avengers from 1950 to 1952 to replace their venerable Fairey Fireflies. By the time the Avengers were delivered, the RCN was shifting its primary focus to anti-submarine warfare (ASW), and the aircraft was rapidly becoming obsolete as an attack platform. Consequently, 98 of the RCN Avengers were fitted with an extensive number of novel ASW modifications, including radar, electronic countermeasures (ECM) equipment, and sonobuoys, and the upper ball turret was replaced with a sloping glass canopy that was better suited for observation duties. The modified Avengers were designated AS 3. A number of these aircraft were later fitted with a large magnetic anomaly detector (MAD) boom on the rear left side of the fuselage and were redesignated AS 3M. However, RCN leaders soon realized the Avenger's shortcomings as an ASW aircraft, and in 1954 they elected to replace the AS 3 with the Grumman S-2 Tracker, which offered longer range, greater load-carrying capacity for electronics and armament, and a second engine, a great safety benefit when flying long-range ASW patrols over frigid North Atlantic waters. As delivery of the new license-built CS2F Trackers began in 1957, the Avengers were shifted to training duties, and were officially retired in July 1960.
caption: A Royal Canadian Navy Avenger over HMCS Magnificent.
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