Aviation Accident Summaries

Aviation Accident Summary BFO88LA055

CAPON BRIDGE, WV, USA

Aircraft #1

N1841E

AERONCA 7AC

Analysis

THE PLT SAID HE WAS CRUISING AT 3000 FT WHEN HE REDUCED PWR TO START A DESCENT TO 2000 FT. AFTER PWR WAS REDUCED FROM 2350 TO 1800 RPM, A TOTAL PWR LOSS OCCURRED. ATTEMPTS TO RESTART THE ENGINE WERE UNSUCCESSFUL. THE PLT SAID HE DID NOT USE CARB HEAT, ALTHOUGH, HE SAID, LATER THAT HE SUSPECTED CARB ICE. THE PILOT MADE A FORCED LANDING INTO AN OPEN FIELD. THE PLT SAID BECAUSE OF THE SOFT TERRAIN AND HIGH GRASS, THE ACFT NOSED OVER DURING THE LANDING ROLL. THE TEMP/ DEW PT WAS 82/54 DEGS. POST ACCIDENT ENGINE TEST DISCLOSED IT OPERATED SATISFACTORY AT VARIOUS POWER SETTINGS. WEATHER CONDITIONS WERE CONDUCIVE TO THE FORMATION OF CARBURETOR ICE.

Probable Cause and Findings

LOSS OF POWER BECAUSE OF CARBURETOR ICE WHICH OBSTRUCTED AIRFLOW TO THE ENGINE. THE AIRCRAFT NOSED OVER ON LANDING BECAUSE OF SOFT TERRAIN AND HIGH GRASS. THE PILOT'S FAILURE TO USE CARBURETOR HEAT IS A CONTRIBUTING FACTOR.

 

Source: NTSB Aviation Accident Database

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