ALBERT HEGENBERGER - ENVELOPE SIGNED - HFSID 38894
ALBERT F. HEGENBERGER First to fly from California to Hawaii; later developed the blind instrument landing system for airplanes. Envelope signed: "Albert F. Hegenberger", 7½x4. In 1927, Lieutenants LESTER J. MAITLAND (pilot) and ALBERT F.
Sale Price $144.00
ALBERT F. HEGENBERGER
First to fly from California to Hawaii; later developed the blind instrument landing system for airplanes.
Envelope signed: "Albert F. Hegenberger", 7½x4. In 1927, Lieutenants LESTER J. MAITLAND (pilot) and ALBERT F. HEGENBERGER (navigator) made the first transoceanic flight in the Bird of Paradise, a Fokker C-2 Trimotor, from Oakland, California to Wheeler Field, Oahu, Hawaii, 2,416 miles in 26 hours and 49 minutes. They received the Distinguished Flying Cross from President Coolidge for this flight. Captain Hegenberger later developed a blind instrument landing system and made the world's first solo flight using the system at Wright Field, Dayton, Ohio. This envelope bears the return address of "Materiel Division/Air Corps/Dayton, Ohio". The blind instrument landing system, now standard equipment in all larger airplanes, earned him another Distinguished Flying Cross and enshrinement in the National Aviation Hall of Fame. Folds and lightly creased, not touching signature. Light show through from envelope glue touches "rg" in signature. Nailhead-size stain above signature, which has light ink blots beneath it. Overall, fine condition.
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