1990-02-04: Piper PA-22 — Ronald Hargraves — Boring, OR

Casualties unknown • Boring, OR, US

Probable cause

CARBURETOR ICING, AND THE PILOT'S IMPROPER USE OF CARBURETOR HEAT. FACTORS RELATED TO THE ACCIDENT WERE: CARBURETOR ICING CONDITIONS AND THE SOFT/UNEVEN TERRAIN IN THE EMERGENCY LANDING AREA.

— NTSB Determination

Accident narrative

WHILE EN ROUTE ON A X-COUNTRY FLT, THE ENG SUDDENLY LOST POWER. THE PLT INITIATED A FORCED LANDING IN A PLOWED FIELD, BUT THE ACFT ENCOUNTERED A RUT & NOSED OVER. IT WAS REMOVED TO A FACILITY FOR AN INSPN OF THE ENG & PREPARATION FOR A TEST RUN. THE ENG WAS STARTED & WAS OPERD FOR SVRL MIN AT VARYING POWER SETTINGS WITH NO ABNORMALITIES NOTED. THE TEMP & DEW POINT WERE 44 & 32 DEG, RESPECTIVELY. ACCORDING TO CARB ICING CHARTS, CONDITIONS WERE CONDUCIVE FOR CARB ICING.

Frequently asked questions

What happened in the 1990-02-04 Piper PA-22 accident near Boring, OR?

WHILE EN ROUTE ON A X-COUNTRY FLT, THE ENG SUDDENLY LOST POWER. THE PLT INITIATED A FORCED LANDING IN A PLOWED FIELD, BUT THE ACFT ENCOUNTERED A RUT & NOSED OVER. IT WAS REMOVED TO A FACILITY FOR AN INSPN OF THE ENG & PREPARATION FOR A TEST RUN. THE ENG WAS STARTED & WAS OPERD FOR SVRL MIN AT VARYING POWER SETTINGS…

What aircraft was involved and where did it happen?

The accident on 1990-02-04 involved a Piper PA-22, registration N8898C, operated by Ronald Hargraves, at Boring, OR.

What was the probable cause of the accident?

CARBURETOR ICING, AND THE PILOT'S IMPROPER USE OF CARBURETOR HEAT. FACTORS RELATED TO THE ACCIDENT WERE: CARBURETOR ICING CONDITIONS AND THE SOFT/UNEVEN TERRAIN IN THE EMERGENCY LANDING AREA.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001212X22633. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.

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