Boeing YB-52 prototype 49-231
Boeing YB-52 serial 49-231 was the second B-52 prototype built but the first to fly. It made the family’s first flight from Boeing Field, Seattle, on 15 April 1952, beginning flight testing of the swept-wing, eight-engine Stratofortress design that became the Air Force’s longest-serving heavy bomber family.
Identity
- Aliases
- YB-52B-52 prototypeModel 464-6749-231First flying B-52 prototype
- Name
- Boeing YB-52 prototype 49-231
- Status
- retired
Details
- Description
- Boeing YB-52 serial 49-231 was the second B-52 prototype built but the first to fly. It made the family’s first flight from Boeing Field, Seattle, on 15 April 1952, beginning flight testing of the swept-wing, eight-engine Stratofortress design that became the Air Force’s longest-serving heavy bomber family.
- First Flight Date
- 1952-04-15
- Manufacturer
- Vehicle Family
Links
Assets & Meta
- Creation Time
- August 1, 2026 at 16:03:58 UTC
- Updated Time
- August 1, 2026 at 16:03:58 UTC
Other
- Serial Number
- 49-231
- Vehicle Code
- 49-231