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Unformatted text preview: he railroads at night only marginally improved the time and was not cost effective
As a result of this success Congress appropriated a 1 ¼ million dollar for airmail extensions Progress due to Airmail
Progress 1923 Congress funded the construction of a system of sequential lighting on the transcontinental airmail route
First segment completed was Chicago to Cheyenne – why ?
Beacons were placed on 50 foot steel towers constructed every 10 miles along the “airway” Progress due to Airmail
Progress The beacons rotated and could be seen by pilots for 40 miles in good weather
If the beacon was at a landing field showed a green course light – if not a red course light
Additionally each beacon flashed an identifier in Morse code that corresponded to the number of the beacon within the airway segment Airmail
Airmail July 1, 1924 – transcontinental regular air mail service begins
Eastbound mail crosses in 29 hours – westbound takes 34 hours – why?
A savings of two full business days is achieved
Beacon system was...
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This note was uploaded on 02/11/2014 for the course ASCI 254 taught by Professor Davidlowe during the Spring '12 term at Embry-Riddle FL/AZ.
- Spring '12