Douglas A-20 Havoc
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| Douglas A-20 Havoc | |
|---|---|
| Name | Douglas A-20 Havoc |
| Caption | A Douglas A-20 in wartime markings |
| Type | Light bomber, attack aircraft, night fighter |
| Manufacturer | Douglas Aircraft Company |
| First flight | 1938 |
| Introduced | 1939 |
| Retired | 1964 (civil conversions) |
| Primary user | United States Army Air Forces, Soviet Air Force, Royal Air Force |
| Produced | 7,478 |
Douglas A-20 Havoc The Douglas A-20 Havoc was an American twin-engined light bomber, attack aircraft, and night fighter produced by the Douglas Aircraft Company and used extensively by the United States Army Air Forces, Royal Air Force, and Soviet Air Force among others during World War II. Designed for low-altitude attack, close support, and interdiction, it served in theaters including the European Theatre of World War II, Pacific War, and Eastern Front of World War II. The type influenced tactics in units such as the Eighth Air Force, RAF Bomber Command, and Soviet 1st Guards Army-support formations.
Development and Design
Development began in the late 1930s as Douglas responded to a requirement from the United States Army Air Corps for a fast bomber to replace biplane types used after the Spanish Civil War. Led by engineers at Douglas Aircraft Company under executive guidance from Donald Douglas Jr., the design evolved from studies influenced by contemporaries like the Boeing B-17 Flying Fortress and Lockheed Hudson. The A-20 incorporated a glazed nose or solid solid nose depending on role, a tricycle landing gear inspired by experiments at National Advisory Committee for Aeronautics, and Allison V-1710 engines similar to those used in the P-38 Lightning and P-40 Warhawk. Early prototypes were evaluated against designs from North American Aviation and Martin Company at Langley Field, prompting aerodynamic refinements and armor provisions following combat lessons from the Battle of Britain.
Operational History
Entering service with the Royal Air Force in 1941 under Lend-Lease, the type performed low-level daylight operations and became known to RAF crews in squadrons attached to RAF Middle East Command and No. 123 Squadron RAF. In American service, A-20s operated with the Twelfth Air Force in the North African Campaign and later with the Fifth Air Force during the New Guinea campaign, supporting units like the 1st Marine Division and cooperating with naval forces including Task Force 58. The Soviet Air Force received large numbers under Lend-Lease and used them in the Battle of Kursk and the Vistula–Oder Offensive, with crews from formations such as the 303rd Bomber Aviation Regiment flying tactical strikes. Night-fighter versions equipped with radar performed interception missions in coordination with Royal Air Force Night Fighter Command and contributed to defense against Luftwaffe intrusions during the Defense of the Reich. The A-20 supported combined operations including the Allied invasion of Sicily and the Battle of the Bulge, flying interdiction, close air support, and armed reconnaissance sorties alongside aircraft like the Curtiss P-40, Republic P-47 Thunderbolt, and North American P-51 Mustang.
Variants
Douglas produced numerous variants, each adapted for roles in different commands and theaters. Key versions included the bomber/attack A-20, the night-fighter Havoc with radar installations used by RAF, the heavily armed solid-nosed versions favored by Soviet crews, and export models supplied to Free French Air Forces and Royal Australian Air Force. Variants incorporated different powerplants, armament layouts with up to .50 caliber machine guns similar to those on the B-24 Liberator, and equipment changes inspired by feedback from theaters such as North Africa and China Burma India Theater. Prototype and experimental conversions paralleled developments in aircraft like the De Havilland Mosquito for multirole flexibility.
Production and Operators
Manufacture was centered at Douglas plants in Santa Monica, California and Long Beach, California, with subcontracting from firms including Boeing and parts suppliers from the Curtiss-Wright Corporation supply chain. Approximately 7,478 airframes were built and distributed under Lend-Lease and direct procurement to operators including the United States Army Air Forces, Royal Air Force, Soviet Air Force, Royal Australian Air Force, Free French Air Forces, Republic of China Air Force, and smaller contingents in Brazil and Peru. Units that operated the type ranged from Eighth Air Force light bomber groups to No. 342 Squadron RAF and Soviet Guards regiments. Postwar civilian conversions were flown by companies in the United States and Argentina until phased out in the 1950s and 1960s.
Technical Specifications
Typical specifications for a wartime A-20G included Allison V-1710 engines, twin-engine configuration similar to contemporaries like the Lockheed P-38 Lightning (single-engine comparison in powerplant use), a crew of three akin to crews on the B-25 Mitchell, and a maximum speed comparable to early models of the Douglas DC-3 derivatives. Armament configurations varied with versions: a solid nose mounting multiple .50 caliber machine guns comparable to installations on the North American B-25 Mitchell and internal bomb bay capacity used in tactical strikes in company with the Martin B-26 Marauder. Defensive armament and armor reflected lessons from engagements such as those involving Junkers Ju 88 and Messerschmitt Bf 110 adversaries.
Legacy and Survivors
The A-20's operational contributions affected tactics in the Mediterranean Theater of Operations, Soviet tactical aviation doctrine, and Allied close support doctrine used during the Normandy landings. Several airframes survive in museums and in airworthy condition, displayed at institutions including the National Museum of the United States Air Force, the Royal Air Force Museum, and aviation collections in Russia and Australia. Preserved examples serve as study subjects for historians researching units like the 340th Bombardment Group and participants in campaigns such as the Guadalcanal Campaign. The Havoc's influence persists in scholarly works on aircraft like the Douglas SBD Dauntless and operational analyses by historians of the United States Army Air Forces and Royal Air Force.