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18_14B SF-SL Troy

GPS: 39.310921, -120.465714


Location / Name

CALIFORNIA: Placer County

14B SF-SL Troy, site No. 14B on the San Francisco-Salt Lake airway

GPS: 39.310921, -120.465714

Night Airmail


Contract Air Mail

CAM #18 San Francisco CA-Chicago IL
San Francisco-Salt Lake Airway
San Francisco-Reno Section


Boeing Air Transport, awarded CAM #18 on January 29, 1927 (western portion of the Transcontinental Airway)

Observations and Notes

The 14b SF-SL Troy Site is located just south of I-80 at an elevation of approximately 6400 feet. The Union Pacific Railroad has electronic gear on the pad where the generator once stood, and on the pad where the beacon was located

The arrow is complete and in fairly good condition and measures 59 feet in length. The arrow is on a slight downward decline due to the terrain. The arrow shaft has broken away fron the beacon pad.

The pilot would approach the tail of the arrow on a compass heading of 84° (E), and then exit the arrow on a compass heading of 84° (E).
All measurements and compass headings are approximate.

No aerial drone photos were taken due to the electronic equipment on the site.

Contributors Photos




Plane Crash near Troy Arrow


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State of California Site


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