Harri Mustonen of Deep Blue Sky is helping my project, the full scale rebuild of the cockpit section of Spitfire PR IB N3069, in a most superb way. The early type Spitfire I throttle quadrant and cockpit door are just stunningly crafted and is giving the project an authentic feel in every conceivable sense.”

Sander Woonings/ The Netherlands


“Harri’s undercarriage selector in place in the Spitfire P7540 – it looks (and feels) great, and quite at home in there. We’re really impressed with it.”

Dumfries and Galloway Aviation Museum


“I am using Harri’s throttle quadrant, dual level fuel cock control, and undercarriage control unit in my Spitfire Mk. II cockpit section. They have the heft, the look and the feel of the original pieces, and the research and quality of workmanship is clear in the finished products. These pieces are awesome! Thanks!”

Robert from USA