Both pictures borrowed from the Internet.     The H-23 was being phased out when I was in flight school in 1972. I only got a little time in one when I was being flown out to guard a crashed TH-55. The crash site was gruesome but interesting (my first). There were bird feathers everywhere.

Home Helicopter Types Flown By Dennis: Huey: "B" Model Gunship Huey: "C" Model Gunship Huey: "D" Model Slick Huey: "H" Model Slick Cobra: "G" Model Attack Helicopter Basic Trainer: TH-55 "Mattel Messersmidt" Instrument Trainer: TH-13 Instrument Trainer: TH-23 "MASH" More Helicopter Pictures Home Another Web Site about Army Helicopters