Roll of Honor
Incident
Trooper Frederick Kielhorn was killed in an airplane crash in McMinnville, Oregon, while extraditing a prisoner from Lompac, California, to Yamhill County. The plane struck several trees and crashed as it attempted to land. Another trooper and the Yamhill County sheriff were seriously injured in the crash, but the prisoner was unharmed. The prisoner remained with the injured trooper and accompanied him to the hospital before he was taken back into custody. Trooper Kielhorn had served with the Oregon State Police for 10 years.
Survivors
He is survived by his wife, son, and daughter.
In Our Keeping
- Permanent identifier
BO-US-OR-9C681BC3- Stewardship
- Maintained by NeuraWeb Global Inc.
- Added to badge.nw
- April 2, 2026
- Last updated
- July 23, 2026
Honored here by 1 sentinel - 1 tribute.
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Tributes
I never knew you. I am standing here anyway.
Trooper Kielhorn gave the Oregon State Police 10 years.
Thank you for your service to the people of Oregon. Gone but never to be forgotten.
Rest easy, Trooper Kielhorn.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
Trooper Frederick Christian Kielhorn is one of 10,088 officers lost to accidents in the line of duty across the full record of this memorial — 31% of all 32,508 officers honored here.
In OR, 66 of 197 officers were lost to accidents in the line of duty — 33.5% of this state's fallen. That is 2.5 percentage points above the national rate of 31%.
At Oregon State Police, 15 of 31 officers on record were lost to accidents in the line of duty — 48.4% of this agency's fallen.
National Cause Distribution
How Accident compares to all causes of officer death in the memorial record. Frederick Christian Kielhorn's cause is highlighted.
How Frederick Christian Kielhorn Compares
When Accident Deaths Occur
Monthly distribution of Accident deaths across the full memorial record. Frederick Christian Kielhorn is highlighted in Sep.
Others Who Wore This Badge
30 officers from Oregon State Police are honored on badge.nw. Showing the 16 most recent.
