Aviation Accident Summaries

Aviation Accident Summary BFO94LA110

AMHERST, OH, USA

Aircraft #1

N5360K

RYAN NAVION B

Analysis

THE PILOT WAS IN CRUISE FLIGHT WHEN HE NOTICED 'ENGINE TROUBLE'. HE TRIED TO MAKE IT TO LORAIN COUNTY AIRPORT; HOWEVER, THE ENGINE CONTINUED TO LOSE POWER. THE PILOT MADE A FORCED LANDING IN A GRASS FIELD ABOUT 2.5 MILES NORTH OF THE LORAIN COUNTY AIRPORT. THE AIRPLANE WAS SUBSTANTIALLY DAMAGED DURING THE LANDING DUE TO ROUGH TERRAIN. POST ACCIDENT EXAMINATION REVEALED THAT THE MAGNETO LEADS WERE SEVERELY WORN. THE PILOT REPORTED THAT HE HAD BEEN PERFORMING THE MAINTENANCE AND THE LAST ANNUAL INSPECTION WAS ON JUNE 15, 1988. ADDITIONALLY, THE PILOT DID NOT HOLD A MECHANIC CERTIFICATE WITH A POWERPLANT RATING. THE PILOT ALSO REPORTED THAT HIS LAST BIENNIAL FLIGHT REVIEW WAS 'APPROX. 1986.'

Factual Information

On June 22, 1994, about 1630 eastern daylight time, a Ryan Navion B, N5360K, owned and piloted by Richard Woodworth, on a personal flight, was substantially damaged during a forced landing in Amherst, Ohio. The pilot and two passengers received minor injuries. The flight originated in North Bass Island, Ohio destined for Madison, Ohio. Visual meteorological conditions prevailed. There was no flight plan. The flight was being conducted under CFR 14 Part 91. In the NTSB form 6120.1/2, the pilot stated, I departed North Bass Island, Ohio, at approximately 1600 hours, for Madison, Ohio, and developed engine trouble. I decided to try to make it to Lorain County Airport (22G), but due to further engine deterioration, I landed in a grass field approximately 2.5 miles from Lorain County Airport. Damage to the airplane occurred on landing due to rough terrain. A Federal Aviation Administration (FAA) Inspector examined the airplane and interviewed the pilot after the accident. Post Accident Examination by the FAA Inspector revealed that the engine magneto leads were "severely worn". The pilot reported to the FAA Inspector that he (the pilot) had been performing the maintenance on the airplane. According to the FAA Inspector the pilot did not hold a mechanic certificate with a powerplant rating. The pilot further reported that the airplane's last annual inspection was conducted on June 15, 1988. According to information supplied by the pilot in the NTSB form 6120.1/2, his last biennial flight review was "appprox. 1986." The pilot voluntarily surrendered his pilot's certificate to the FAA Safety Inspector.

Probable Cause and Findings

INADEQUATE MAINTENANCE BY AN UNQUALIFIED PERSON WHICH RESULTED IN THE LOSS OF ENGINE IGNITION DUE TO WORN IGNITION WIRES.

 

Source: NTSB Aviation Accident Database

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