ASN Wikibase Occurrence # 37015
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| Date: | Monday 15 April 1985 |
| Time: | 14:25 |
| Type: |  Piper PA-30-160 Twin Comanche |
| Owner/operator: | Jasper F Williams |
| Registration: | N8007Y |
| MSN: | 30-1113 |
| Total airframe hrs: | 2729 hours |
| Engine model: | LYCOMING IO-320-B1A |
| Fatalities: | Fatalities: 3 / Occupants: 3 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Worthington, Jefferson Township, Greene County, Indiana -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Orlando Melbourne International Airport, Melbourne, Florida (MLB/KMLB) |
| Terre Haute Regional Airport, Terre Haute, Indiana (HUF/KHUF) | |
| Confidence Rating: |  Information is only available from news, social media or unofficial sources |
THE AIRCRAFT STALLED AND CRASHED IN A FIELD AFTER THE PILOT DECLARED AN EMERGENCY, STATING HE WAS LOSING POWER ON THE RIGHT ENGINE, AND HE COULD NOT MAINTAIN ALTITUDE. AT 14:05 EST, THE AIRCRAFT WAS TOLD TO CONTACT HULMAN APPROACH WITH INSTRUCTIONS TO DESCEND TO 3,000 FEET AMSL.
THE MODE C TRANSPONDER INDICATED THAT THE AIRCRAFT WAS BELOW 3,000 FEET AND A CLEARANCE TO 2,600 FEET WAS ISSUED, AT WHICH TIME THE PILOT REPORTED THE RIGHT ENGINE HAD QUIT. THE PILOT WAS GIVEN VECTORS TO A NEARBY AIRPORT, HOWEVER, HE WAS UNABLE TO LOCATE IT.
SHORTLY THEREAFTER, THE AIRCRAFT IMPACTED THE TERRAIN IN A NEAR 60 DEGREE NOSE-DOWN ATTITUDE. POST ACCIDENT INSPECTION REVEALED THE RIGHT ENGINE FUEL SELECTOR WAS ON THE RIGHT MAIN TANK WHICH WAS EMPTY. THE RIGHT ENGINE FUEL SELECTOR WAS ALSO CORRODED.
THE RIGHT MAGNETO COILS ON THE RIGHT ENGINE SHOWED SIGNS OF CRACKING WHEN HOT. THE RIGHT ENGINE SPARK PLUGS WERE TESTED AND 90% OF THE PLUGS WOULD NOT FIRE ABOVE 50 PSI PRESSURE. THE RIGHT PROPELLER WAS NOT FEATHERED.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:
EMERGENCY PROCEDURE..NOT FOLLOWED..PILOT IN COMMAND
STALL/SPIN..UNCONTROLLED..PILOT IN COMMAND
JUDGMENT..POOR..PILOT IN COMMAND
REMEDIAL ACTION..NOT FOLLOWED..PILOT IN COMMAND
Contributing Factors:
IGNITION SYSTEM, MAGNETO..INCORRECT
AIRCRAFT PRE FLIGHT..POOR..PILOT IN COMMAND
IGNITION SYSTEM, SPARK PLUG..PRESSURE TOO LOW
IGNITION SYSTEM, IGNITION COIL..INCORRECT
FUEL SYSTEM, SELECTOR/VALVE..IMPROPER
MAINTENANCE,SERVICE OF AIRCRAFT/EQUIPMENT..NOT MAINTAINED..PILOT IN COMMAND
MAINTENANCE, COMPLIANCE WITH AIRWORTHINESS DIRECTIVES..NOT MAINTAINED..PILOT IN COMMAND
MAINTENANCE, ANNUAL INSPECTION..NOT FOLLOWED..PILOT IN COMMAND
Registration N8007Y cancelled by the FAA on January 2, 1988
Sources:
1. NTSB Identification: CHI85FA165 at https://app.ntsb.gov/pdfgenerator/ReportGeneratorFile.ashx?EventID=20001214X36113&AKey=1&RType=Final&IType=FA
2. FAA: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=8007Y
3. http://planecrashmap.com/plane/in/N8007Y/
4. http://www.airframes.org/reg/n8007y
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:23 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 03-Apr-2017 16:40 | Dr.John Smith | Updated [Aircraft type, Location, Departure airport, Destination airport, Source, Narrative] |
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