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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
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- Added to badge.nw
- August 2, 2026
- Last updated
- August 2, 2026
Honored here by 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
The Sacrifice · Accident
Oregon State Police has lost 31 officers; 15 of them lost to accidents.
Frederick is one of 66 officers lost to accidents in OR, 33.5% of the 197 remembered there.
Frederick is one of 8,276 officers lost to accidents in the United States, 30% of the 27,552 remembered there.
Frederick is one of 10,096 officers lost to accidents worldwide, 29.6% of the 34,103 remembered here.
34,103 officers are remembered on this memorial. Each number below is one of them.
Time
In 1961, 1 officer at Oregon State Police was lost to accidents, the 4th heaviest of 11 years on record. The heaviest was 1997, with 3.
In 1961, 3 officers in OR were lost to accidents, more than in any other year.
In 1961, 67 officers in the United States were lost to accidents, the 59th heaviest of 174 years on record. The heaviest was 1929, with 118.
In 1961, 76 officers worldwide were lost to accidents, the 64th heaviest of 200 years on record. The heaviest was 1930, with 131.
Who
Frederick was 36. Of the 11 lost to accidents at Oregon State Police whose age is recorded, half were between 27 and 42; the middle age was 36. Frederick had served 10 years; the middle length of service was 8 years.
Frederick was 36. Of the 59 lost to accidents in OR whose age is recorded, half were between 31 and 44.5; the middle age was 36. Frederick had served 10 years; the middle length of service was 5 years.
Frederick was 36. Of the 7,718 lost to accidents in the United States whose age is recorded, half were between 29 and 46; the middle age was 36. Frederick had served 10 years; the middle length of service was 6 years.
Frederick was 36. Of the 9,452 lost to accidents worldwide whose age is recorded, half were between 29 and 45; the middle age was 36. Frederick had served 10 years; the middle length of service was 6 years.
When
September holds 40% of these deaths at Oregon State Police, more than any other month. Saturdays: 20%.
September holds 15.2% of these deaths in OR; May holds the most, 16.7%. Saturdays: 18.2%.
September holds 9.2% of these deaths in the United States; August holds the most, 9.4%. Saturdays: 14.9%.
September holds 9.1% of these deaths worldwide; August holds the most, 9.3%. Saturdays: 14.7%.
How
Accident deaths account for 48.4% of all 31 deaths at Oregon State Police, the 2nd most common cause.
Accident deaths account for 33.5% of all 197 deaths in OR, the 2nd most common cause.
Accident deaths account for 30% of all 27,552 deaths in the United States, the 2nd most common cause.
Accident deaths account for 29.6% of all 34,103 deaths worldwide, the 2nd most common cause.
His people
Oregon State Police has 31 officers remembered here, Frederick among them.
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Amos L. Helms
Dec 30, 1931
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Burrell Milo Baucom
Jul 1, 1933
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Ira A. Warren
Apr 7, 1938
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Elmer Ray Pyle
Aug 17, 1938
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Willard A. Tubbs
Jun 21, 1939
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George R. Cameron
Jul 5, 1944
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Theodore R. Chambers
Apr 29, 1945
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Delmond Edward Rondeau
Apr 25, 1947
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LeRoy H. Spickerman
Jan 17, 1948
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Earl A. Burtch
Sep 22, 1948
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William Thomas Levinson
Sep 7, 1950
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Dale Benjamin Courtney
Oct 1, 1950
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Philip B. Lowd
Jun 24, 1952
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Richard Francis O'Connor
May 8, 1956
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Charles Curry Sanders
Feb 22, 1957
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Frederick Christian Kielhorn
Sep 9, 1961
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Ralph D. Bates
Nov 8, 1962
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William M. Hall
May 11, 1967
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Donald Timothy Welp
Nov 15, 1967
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Dan Austin Nelson
Jul 28, 1972
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Harold Roy Berg
May 10, 1975
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Holly Vernon Holcomb
Nov 25, 1975
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James D. Shepherd
May 22, 1980
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Donald E. Smith
Jul 11, 1983
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Bret Robert Clodfelter
Sep 30, 1992
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Scott Alan Lyons
Sep 2, 1997
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James Dallas Rector
Sep 2, 1997
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Richard James Schuening
Oct 2, 1997
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Maria Mignano
Sep 4, 2001
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William Robert Hakim
Dec 12, 2008
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John Richard Burright
May 4, 2021
Where the Name Is Cut
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