- Air Force: USA - Army
- Aircraft: Piasecki H-21C Shawnee (PV-22)
- Registration: 56-2159 (cn C321)
- Views: 231
- Location: Tucson - Pima Air and Space Museum , USA - Arizona March 14, 2021
Pima Air & Space Museum - Tucson, AZ
- Air Force: USA - Army
- Aircraft: Piasecki H-21C Shawnee (PV-22)
- Registration: 56-2159 (cn C321)
- Views: 191
- Location: Tucson - Pima Air and Space Museum , USA - Arizona March 14, 2021
Pima Air & Space Museum - Tucson, AZ
- Air Force: USA - Army
- Aircraft: Piasecki H-21C Shawnee (PV-22)
- Registration: 56-2159 (cn C321)
- Views: 586
- Location: Tucson - Pima Air and Space Museum , USA - Arizona November 11, 2019
Pima Air and Space Museum. Current Markings: 93rd Transportation Company, South Vietnam, 1962. The H-21 was the fourth tandem rotor helicopter design to come from Piasecki.