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Bell XV-3 prototype 54-148

The second Bell XV-3 prototype, military serial 54-148 and NASA history tail number 4148, was rebuilt with a two-bladed rotor system after the first prototype was lost. It became the surviving test aircraft and made the program first dynamically stable full conversion from helicopter to airplane mode and back in December 1958.

Identity

Aliases
54-1484148XV-3 No. 2Bell 200 prototype
Name
Bell XV-3 prototype 54-148
Status
retired

Details

Description
The second Bell XV-3 prototype, military serial 54-148 and NASA history tail number 4148, was rebuilt with a two-bladed rotor system after the first prototype was lost. It became the surviving test aircraft and made the program first dynamically stable full conversion from helicopter to airplane mode and back in December 1958.
Manufacturer
Vehicle Family

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Assets & Meta

Creation Time
August 9, 2026 at 04:45:52 UTC
Updated Time
August 9, 2026 at 04:45:52 UTC

Other

Serial Number
54-148
Vehicle Code
XV-3 No. 2