NTSB Identification: NYC84FFJ01.
The docket is stored on NTSB microfiche number 22119.
Accident occurred Sunday, October 16, 1983 in ISCHUA, NY
Aircraft: RYAN NAVION, registration: N4613K
Injuries: 2 Serious.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

THE ACFT HAD BEEN PARKED AT THE ARPT FOR ABOUT 7 MONTHS PRIOR TO THIS FLT. DURING THAT TIME, THE ENG HAD BEEN OVERHAULED. BEFORE TAKING OFF ON A MAINTENANCE TEST FLT, 37 GAL OF FUEL WAS ADDED TO THE CENTER TANK. ALSO, THE PLT WAS OBSERVED WORKING IN THE ENG AREA BEFORE TAKING OFF. AFTER TAKEOFF, THE ACFT WAS OBSERVED TO TURN TO A DOWNWIND LEG, THEN THE ENG BEGAN TO RUN ROUGH & FINALLY QUIT RUNNING. DURING AN EMERGENCY LANDING, THE ACFT HIT AN EMBANKMENT BEFORE REACHING THE RWY. BOTH OCCUPANTS RECEIVED HEAD INJURIES & COULD NOT REMEMBER DETAILS OF THE ACCIDENT. A POST ACCIDENT INSPECTION REVEALED A LOOSE B-NUT ON A FLEX LINE TO THE FUEL STRAINER. THE EXTERIOR OF THE ENGINE WAS BADLY DAMAGE. A TEARDOWN OF THE ENG DID NOT REVEAL ANY DISCREPANCIES THAT WOULD HAVE RESULTED IN A POWER LOSS.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

REASON FOR OCCURRENCE UNDETERMINED


Contributing Factors

TERRAIN CONDITION..DIRT BANK/RISING EMBANKMENT

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