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18_04 SF-SL Rio Vista





Location / Name

California:  Alameda County

2A SF-SL Oakland East, site No. 2A on the San Francisco-Salt Lake Airway.  (Pilots also used this beacon station on the San Francisco-Seattle airway)

Transcontinental Airway

Route established September 8, 1920

Pilots Log February 21, 1921, Between
U. S. Post Office pilots

Night Airmail

Flights started on July 1, 1924

Contract Air Mail

CAM #18 San Francisco CA-Chicago IL
Route established July 1, 1927
San Francisco-Salt Lake airway
San Francisco-Reno section
Boeing Air Transport awarded CAM #18 on January 28, 1927

Observations and Notes

Two airmail routes passed over this arrow. 
      Contract Air Mail route #8, Seattle WA - Los Angeles CA flown by Pacific Air Transport began it's flights on September 15, 1926.
      Contract Air Mail #18, Chicago IL - San Francisco CA, flown by Boeing Air Transport began it's flights on July 1, 1927.


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State of California Site

Beacon 1B SF-SL

Beacon 12 SF-S

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