early 1960s
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Aerotécnica Helicopters
From spain, Aerotecnica AC-15 :that project was developed from AC-14 with a 260 hp Lycoming O-435-V engine. Aerotecnica AC-21 :12/14 seat larger helicopter in Aerotecnica series with Turbomeca Turmo III turbines and a massive ducted-air tailboom,project only.- hesham
- Thread
- 1950s cold war early 1960s ejército del aire matra-cantinieau royal spanish air force spanish state
- Replies: 31
- Forum: Secret Postwar Aircraft Projects
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Folland Gnat - Development & Derivatives
DELETED POST (please remove from the thread)- TsrJoe
- Thread
- 1950s close air support cold war early 1960s folland aircraft great britain ground attack royal air force trainer
- Replies: 101
- Forum: Secret Postwar Aircraft Projects