The Boeing Y1B-20 (Boeing 316) was designed as an improvement on the Boeing XB-15. It was slightly larger than its predecessor, and was intended to use...

Flying Fortress List of Boeing B-17 Flying Fortress variants Boeing Y1B-20 Boeing B-29 Superfortress Boeing KB-29 Superfortress Boeing XB-39 Superfortress...

update the XB-15 to make the slightly larger Y1B-20, again using four Wright Twin Cyclones as with the Boeing 314, but the Secretary of War, Harry Hines...

faster than the Y1B-17. When testing was completed, the Y1B-17A was reconfigured as a B-17A. Wikimedia Commons has media related to Boeing B-17B. The B-17B...

airframe's strength, was upgraded by Boeing with exhaust-driven General Electric turbo-superchargers, and designated Y1B-17A. Designed by Sanford Moss, engine...

Blackburn B-20, a 1940 experimental aircraft Boeing Y1B-20, A Boeing experimental heavy bomber Douglas A-20 Havoc, designated the ZB-20 at the end of...

Aviation portal Aircraft of comparable role, configuration, and era Boeing XB-15 Boeing Y1B-20 Convair B-36 Related lists List of bomber aircraft List of aircraft...

The Douglas Y1B-7 was a 1930s American bomber aircraft. It was the first US monoplane given the B- 'bomber' designation. The monoplane was more practical...

XB-1 Douglas Y1B-7 Fokker XB-8 Boeing Y1B-9 Douglas YB-11 Martin XB-13 Martin XB-14 Boeing XB-15 Martin XB-16 Douglas XB-19 Boeing Y1B-20 North American...

of bombs Aircraft of comparable role, configuration, and era Boeing XB-15 Boeing Y1B-20 Douglas XB-19 Related lists List of bomber aircraft List of military...

funds remaining for the B-15 be applied to the development of a single Boeing Y1B-20, a design improvement of the B-15 with more powerful engines. Instead...

6D/E Boeing 7 Boeing 8 Boeing 9 Boeing 10 Boeing 11 Boeing 12 Boeing 13 Boeing 14 Boeing 15 Boeing 16 Boeing 17 Boeing 18 Boeing 19 Boeing 20 Boeing 21...

Gunner accompanies Jim on a test flight of a new bomber (a Y1B-17, a pre-production Boeing B-17 Flying Fortress prototype). Upon reaching 30,000 feet...

new Boeing Y1B-17 four-engine heavy bomber. Twelve Y1B-17s were delivered to the 2d Bombardment Group for evaluation. At this time, the dozen Y1B-17s...

Major General Oscar Westover, to substitute a single Boeing Y1B-20 (an advanced design of the Boeing B-15) for two B-15s ordered for Project A, the development...

“checklist”. 7 December 1936 First Y1B-17, 36-149, c/n 1973, first flown 2 December, makes rough landing at Boeing Field, Seattle, Washington, on third...

Avro Manchester Blériot 127 Boeing B-17 Flying Fortress Bréguet 410 Bristol Bombay Curtiss B-2 Condor Dornier Do 11 Douglas Y1B-7 Douglas B-18 Bolo Farman...

Skyhawk (1954) Douglas A-20 Havoc (1938) Douglas A-26 Invader (1942) Douglas A-33 (1941) Douglas A2D Skyshark (1950) Douglas Y1B-7, B-7, O-35 (1931) Douglas...

c. 1931–1936, included Y1B-9 during period 1932–1936 Consolidated squadron In addition to B-10, B-17, and B-18, included A-20, XB-15, and B-23, during...

260 lb (1,025 kg) Aircraft of comparable role, configuration, and era Boeing Y1B-9 Tupolev SB Related lists List of bomber aircraft List of military aircraft...

Retired 90 Douglas B-18 Bolo medium bomber 1935 retired 1946 350 Douglas Y1B-7 heavy bomber 1931 retired prototype 8 Fokker XB-8 heavy bomber 1929 retired...

Project 0 Douglas XTB2D Skypirate US Torpedo bomber 1945 Prototype 2 Douglas Y1B-7 US Heavy bomber 1931 Prototype 8 EADS-CASA C295MP Spain Maritime patrol...

Curtiss B-2 Condor, Keystone B-4, Keystone B-6, Douglas Y1B-7 and YB-10 bombers; the Boeing P-12 and P-6E fighters; the Curtiss A-12 Shrike; Bellanca...

He then was given a leading role in the operational development of the Boeing Y1B-9 twin engine bombers which pioneered high altitude bombing techniques...

contemporary, the Consolidated B-24 Liberator. The first pre-production Y1B-17 Fortress was delivered to the 2d Bombardment Group, Langley Field, Virginia...

selecting flaps "up". This was the first fatality in the type. 18 December Boeing Y1B-17 Flying Fortress, 36–157, c/n 1981, formerly of the 2d Bomb Group, Langley...

Army Air Corps orders 13 Boeing Y1B-17 Flying Fortresses, previously known by the manufacturer's designation, Model 299. January 20 – Italian troops take...

feet of water. 7 December First Boeing Y1B-17, 36–149, c/n 1973, first flown 2 December, makes rough landing at Boeing Field, Seattle, Washington, on third...

attacks against the U.S. on 11 September 2001, group elements, including the 20 Bomb Sq, deployed to the island of Diego Garcia in the Indian Ocean. On 7...

involved in a P-12 mid-air collision over Hemet on 14 April 1933. 25 June Boeing Y1B-9A, 32-307, c/n 1675, '190', of the 49th Bombardment Squadron, departs...