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  P-12 Serial Number ??-???  
USAAC
4th CG
3rd PS

Tech Information
USAAC 1932
Pilot  2nd Lt. Elwell A. Sanborn (KIA, BR) Upper Lake, CA
Crashed  June 10, 1932

Aircraft History
Built by Boeing. Delivered to the U.S. Army Air Corps (USAAC) as P-12 serial number ??-??? (two digits, three digits). Assigned to the 4th Composite Group (4th CG), 3rd Pursuit Squadron (3rd PS) at Clark Field. No known nickname or nose art.

Mission History
On June 10, 1932 took off from Clark Field piloted by 2nd Lt. Elwell A. Sanborn armed with two 100 pound bombs on a training mission with two other planes. Flying in formation over Fort Stotsenburg at an altitude of 400', released a bomb that prematurely exploded and fragments hit the plane and ignited the fuel and cause it to crash killing the pilot on impact. Afterwards, an inquiry was ordered.

Memorials
Sanborn is buried at San Francisco National Cemetery at section OSA row 67 site 3.

Sanborn Field (Legaspi Airfield) was named in his honor.

References
The News "Bomb Kills Flyer Formally in S.A." by AP June 21, 1932 page 2 (photo)
Colusa Sun-Herald "Lake Youth Is Killed When Bomb Bursts In Airplane" June 21, 1932 page 1
FindAGrave - Elwell A Sanborn (grave photo)
Thanks to Tony Feredo for additional information

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Last Updated
August 11, 2026

Tech Information
P-12
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