Helicopter Piasecki H-21B Serial B-129 Register 53-4379 used by US Air Force. Aircraft history and location
Written off 1961
| 53-4379 |
US Air Force
w/o Jul61 during search mission in mountains NW of Denver, CO. Totally destroyed by impact. 55-4218 is preserved as this at the Lowry Heritage Museum/Wings Over the Rockies Air and Space Museum.