Two pilots dead after plane and ground vehicle collide at New York's LaGuardia Airport
BBC →Video footage on social media showed the aircraft, operated by Air Canada's regional partner Jazz Aviation, coming to rest with its nose upturned. Eyewitness Leo Medina told the BBC: 'It was like the plane got cut in half.' Air traffic control audio captured a staff member saying 'Truck One, stop, stop, stop!' in the seconds before the crash.
Two Army Fliers Die After Collision in Air
Newport News, Va. June 11—Two army fliers were killed in head-on collision between planes at Langley Field. The planes were engaged in maneuvers.
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What Happened Next
Three days: three crashes, three dead — Dole Air Race
Two days after they drew the thirteenth position, on August 10 United States Navy Lieutenants George W. D. Covell and R. S. Waggener took off from San Diego, California in their Tremaine Humming Bird named Spirit of John Rodgers to fly to Oakland; after flying into a fog bank, the aircraft crashed into an ocean cliff at Point Loma, killing both men. Of the 18 official and unofficial entrants in the Dole Air Race, only two aircraft successfully landed in Hawaii; of the other six starters, two crashed on takeoff, two were forced to return, and two went missing over the Pacific — leaving ten dead in all.
Wikipedia →United States government role in civil aviation
Bureau of Air Commerce — Low-Frequency Radio Range Navigation System
The Department of Commerce created an Aeronautics Branch in 1926. The Aeronautics Branch took over the Post Office's task of building airway light beacons, and in 1928 introduced a new navigation beacon system known as the low frequency radio range, or the 'Four Course Radio Range.'
Wikipedia →Low-frequency radio range
History
After World War I , aviation began to expand its role into the civilian arena, starting with airmail flights. It soon became apparent that for reliable mail delivery, as well as the passenger flights which were soon to follow, a solution was required for navigation at night and in poor visibility.
Wikipedia →