Y1B-17 Flying Fortress (Q18113594)
bomber aircraft prototype model by Boeing
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Current Data About Y1B-17 Flying Fortress
(P18) Image Provided By https://upload.wikimedia.org/wikipedia/commons/3/37/YB-17_20th_Bomb_Squadron%2C_2nd_Bomb_Group_%28cropped%29.jpg

(P31) (Q15056995)

(P137) (Q4633451)
(P580) Friday, January 1, 1937
(P582) Tuesday, October 1, 1940

(Q4595801)
(P580) Tuesday, October 1, 1940

(P176) (Q66)
(P585) Wednesday, January 1, 1936

(P279) (Q185000)

(P373) Boeing YB-17

(P516) (Q1078024)
(P1114) 4

(P1083) 6

other details
aliases Boeing Y1B-17
 Y1B17
 Pre-production Flying Fortress
 Boeing YB-17
 YB17
 YB-17
 YB-17 Flying Fortress
 Boeing Y1B-17 Flying Fortress
 Special Purchase Bomber Design 17 Initial Series
 Flying Fortress prototype
 Boeing Flying Fortress prototype
description bomber aircraft prototype model by Boeing