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The Douglas A-33 (Model 8A-5) was an American attack aircraft built in small numbers during World War II. It was an updated version of the Northrop A-17, with a more powerful engine and an increased bomb load. While the A-33 was intended initially for the export market, the entire production run was taken up by the United States Army Air Corps.

A-33/Model 8A-5
Northrop A-17/Douglas A-33
Role Attack aircraft
National origin United States
Manufacturer Douglas Aircraft Company
Introduction 1941
Primary user United States Army Air Corps
Number built 36
Developed from Northrop A-17

Design and development


In 1932, the Northrop Corporation had been formed as a partly owned subsidiary of Douglas and by 1937, the Northrop Model 8 became known as the Douglas 8A produced in the El Segundo Division of Douglas aircraft.

The 8A-5 was powered by a 1,200 hp (895 kW) Wright R-1820-87 engine and was the most powerful and best armed of the series, with four wing mounted 0.30 in machine guns, two 0.50 in machine guns in pods below the wing, a rear-firing flexibly mounted 0.30 in gun, and the ability carry up to 2,000 lb of bombs.


Operational history


Early in 1940, the Norwegian government ordered 36 8A-5s which not had been delivered before Norway was invaded by the Germans. Completed between October 1940 and January 1941, the aircraft were delivered to a training center in Canada that had been set up for the Norwegian government-in-exile, named "Little Norway" at Toronto Island Airport, Ontario.

After the loss of two aircraft and a reassessment of the training needs now met by the use of other aircraft, the remaining 34 Model 8A-5Ps were sold to Peru. However, 31 were repossessed by the Army Air Corps at the start of World War II. These aircraft, designated A-33, were used for training, target tug, and utility duties.[1]


Variants


Model 8A-5
A-33
Serial numbers: 42-13584/13601; 42-109007/109019

Operators


 Norway
 Peru
 United States

Specifications (A-33)


Data from McDonnell Douglas Aircraft since 1920[2]

General characteristics

Performance

Armament


See also


Related development

Aircraft of comparable role, configuration, and era


References


Notes
  1. Pelletier Air Enthusiast September/October 1998, pp. 3–4.
  2. Francillon 1979, p. 222.
  3. Lednicer, David. "The Incomplete Guide to Airfoil Usage". m-selig.ae.illinois.edu. Retrieved 16 April 2019.
Bibliography

Further reading





На других языках


- [en] Douglas A-33

[fr] Douglas A-33

Le Douglas A-33 (Model 8A-5) est un avion d'attaque au sol de la Seconde Guerre mondiale, conçu et développé par la Douglas Aircraft Company, et construit en petite quantité. Il s'agit d'une version améliorée du Northrop A-17, avec un moteur plus puissant et une capacité d'emport accrue. Bien qu'ils soient initialement destiné à l'export, tous les avions produits ont été utilisés par l'United States Army Air Corps de l'armée américaine.

[it] Douglas A-33

Il Douglas A-33 (noto anche con la designazione di fabbrica Model 8A-5) era un cacciabombardiere realizzato dall'azienda statunitense Douglas Aircraft Company nei primi anni quaranta.



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