Breese-Wilde Model 5

[2] Oakland built a 7,020 foot-long runway, which was the longest in the world at the time, in just 21 days to meet the Dole race start.

[3][4] Livingston Gilson Irving,[5] (1895 –1983) was a decorated American World War I pilot who served in the 103d Aero Squadron, 3d Pursuit Group, U.S. Army Air Service, A.E.F., near Bantheville, France.

The company and its employees sponsored the aircraft for the attempt, naming it the Pabco Pacific Flyer and painted with the Indian head of his World War I unit.

[10] Irving donated his radio to William Portwood Erwin, who was piloting the competing Dallas Spirit to look for downed racers.

Irving escaped uninjured, exiting the ill-fated air race that claimed ten others' lives.

[13] In late March 1928 the station made its debut broadcast,[14] transmitting on 1470 kHz on the AM band at 7,200 feet (2,200 meters) over Hayward.

[19] Varney Air Lines also flew a Wright J-4 powered model as an addition to its Swallow airmail aircraft.

Pabco Pacific Flyer with Maj. Irving and family before the start of the Dole Air Race (1927)
Jensen (L) and Schluter (R), 1927