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A navigator making sightings from the nose of a U.S. Navy Douglas PD-1.
Mechanic Ernesto Campanelli (left) and pilot Francesco de Pinedo at a stopover in Zamboanga, Philippines, August 19, 1925, during their flight from Rome, Italy, to Tokyo, Japan.
Princess Löwenstein-Wertheim in flight clothes before her ill-fated transatlantic flight.
A post-war periscopic sextant often mounted this type of watch.
Length: 2 Minutes, 17 Seconds
Length: 2 Minutes, 1 Second
In a hyperbolic system such as LORAN, a receiver on an aircraft or ship picks up radio signals broadcast by one or more pairs of radio stations spaced hundreds of miles apart.
Aviation in the interwar years tested the limits of human endurance, making complex tasks like navigation highly problematic.
Pilot John W. "Jack" Frost waving from the cockpit.
John A. Pedlar and Mildred Doran posing with M. R. Lawing.
