Keystone Instruments Inc, located at the historical Piper Memorial Airport in Lock Haven, Pennsylvania, specializes in the restoration, repair, sales, and on-site fabrication of state-of-the-art aircraft instruments. With a focus on delivering the highest quality workmanship, they offer a wide range of services for airplane enthusiasts, working on all types of aircraft gauges, both old and new.
From airspeeds and vertical speeds to climbs and true airspeeds, Keystone Instruments has expertise in repairing and servicing various brands such as Kollsman, Pioneer, USGauge United, Stewart Warner, and many more. With their dedication to excellence, they have designed and built instrument panels for the iconic William T. Piper Cub, showcasing their commitment to the aviation industry.
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