The Boeing B-17 Flying Fortress is an American four-engined heavy bomber aircraft developed in the 1930s for the United States Army Air Corps (USAAC). A fast and high-flying bomber, the B-17 dropped more bombs than any other aircraft during World War II, used primarily in the European Theater of Operations.

The following is an extensive catalogue of the variants and specific unique elements of each variant and/or design stage of the Boeing B-17 Flying Fortress, a heavy bomber used by the United States Army Air Forces and other Allied air forces during World War II.

The Flying Fortress is one of the most famous airplanes ever built. The B-17 prototype first flew on July 28, 1935. Although few B-17s were in service on Dec. 7, 1941, production quickly accelerated after the U.S. entry into World War II.

This is listing of surviving B-17 aircraft registered by the FAA in 2022, noting the status for each (which is periodically updated, per cited sourcing). Bold denotes a plane that is airworthy at that time, excluding planes that have not been flown for more than five years.

The Boeing B-17 Flying Fortress was a four-engine heavy bomber aircraft developed in the 1930s for the then-United States Army Air Corps (USAAC). Competing against Douglas and Martin for a contract to build 200 bombers, the Boeing entry outperformed both competitors and more than met the Air Corps' expectations.

The B-17 Flying Fortress was a legendary heavy bomber used primarily by the United States Army Air Forces (USAAF) during World War II. Known for its ruggedness, firepower, and ability to sustain heavy damage, the B-17 played a crucial role in Allied bombing campaigns against Nazi Germany and other Axis powers.

Feb 21, 2007 · Anyone know why the b17 motor came out on 92,93 gsrs only? why did they discontinue it? Is it true it had a higher stroke then the rest of the b series...

Oct 28, 2010 · hi i have a 91 integra hatch and just bought a b17a1 gsr rebuilt engine to swap in in place of the b18a.i have a chipped p4 ecu and was wondering if this...

One of the most well known bombers of all time, the B-17 Flying Fortress became famous for the long daylight bombing raids over Europe in WWII. While it lacked the range and bomb load of its contemporary B-24 Liberator, the B-17 became the more famous of the two due to the many tales of B-17s bringing their crews back home despite heavy damage.

B-17G “Flying Fortress” On September 26, 1934, the United States Army Corps allocated $275,000 to Boeing to design and produce a four-engine bomber. Within eight months the Boeing Project 299 produced the first B-17 Flying Fortress. The …