Boeing B-17 Flying Fortress
Design and variants

Boeing B-17 Flying Fortress

Section Title: Design and variants
Table Section Text: None

Variant	Produced	First flight

Model 299	1	28 July 1935

YB-17	13	2 December 1936

YB-17A	1	29 April 1938.

B-17B	39	27 June 1939

B-17C	38	21 July 1940

B-17D	42	3 February 1941

B-17E	512	5 September 1941

B-17F (total)	3,405	30 May 1942

B-17F-BO	2,300

B-17F-DL	605

B-17F-VE	500

B-17G (total)	8,680	16 August 1943

B-17G-BO	4,035

B-17G-DL	2,395

B-17G-VE	2,250

Total	12,731

Notes: B-17s were built at Boeing Plant 2 Seattle, Washington (BO) and starting with the B-17F also at Lockheed Vega, Burbank California (VE) and Douglas Aircraft, Long Beach California (DL)

Sentence(s)

The first flight of the Model 299 was on 28 July 1935.
The first flight of the Model 299 was on 28 July 1935.
The first flight of the Model 299 was on 28 July 1935.

final_sentence: The first flight of the Model 299 was on 28 July 1935.
final_sentence: The first flight of the Model 299 was on 28 July 1935.
final_sentence: The first flight of the Model 299 was on 28 July 1935.