Of fibreglass construction , it features camber - changing flaps , airbrakes , and a retractable main wheel .
The Slingsby T. 59 Kestrel is a British Open class glider which first flew in August 1970 .
Of fibreglass construction , Slingsby T. 59 Kestrel features camber - changing flaps , airbrakes , and a retractable main wheel .
The Slingsby T. 59 Kestrel is a British Open class glider which first flew in August 1970 .