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RAF Vigilant T1

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The Grob G109B was selected to replace the Slingsby Venture as the powered glider used by the Air Cadets, and entered RAF service as the Vigilant in 1991. Various modifications were made for military use including an additional throttle in the cockpit (to better replicate for the student in the left-hand seat the configuration of a typical aircraft with right-hand stick and left-hand throttle) and provision to operate at a higher all-up weight. Not only is the airframe built by Grob, but also the 95hp engine. From the current fleet of Vigilants operated by 17 Volunteer Gliding Squadrons and the Central Gliding School, just 15 airframes will remain on strength as part of the relaunch of Air Cadet flying.

“It was an epic spectacle, as magical as anything you've ever seen in the West End, and as loud as anything you've ever heard at Knebworth.”

Jeremy Clarkson, Television Presenter

“All the thrills, excitement and noise of a Grand Prix, but in the air!”

Jenson Button, Former Formula 1 Racing Driver

“Probably the most complete air show I’ve ever been to!”

Al Worden, Apollo 15 Astronaut

“This is THE best airshow!”

Buzz Aldrin, Apollo 11 Astronaut

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