DESIGNATION OF ARMY AIRCRAFT OBSERVATION SERIES HELICOPTER SERIES DESIGNATION

Source URL: www.virtual.vietnam.ttu.edu

• Aircraft
• Bell UH-1 Iroquois
• Hiller OH-23 Raven
• Boeing CH-47 Chinook
• Piasecki H-21
• Sikorsky H-34
• Lycoming T53
• Rotorcraft
• Military aircraft
• Military helicopters