Accident American AA-1A N6393L,
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ASN Wikibase Occurrence # 376881
 
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Date:Sunday 30 June 1985
Time:10:03 LT
Type:Silhouette image of generic AA1 model; specific model in this crash may look slightly different    
American AA-1A
Owner/operator:Private
Registration: N6393L
MSN: AA1A-0393
Total airframe hrs:1427 hours
Engine model:LYCOMING O-235-C2C
Fatalities:Fatalities: 0 / Occupants: 2
Aircraft damage: Substantial
Category:Accident
Location:Hatteras, NC -   United States of America
Phase: Initial climb
Nature:Private
Departure airport:
Destination airport:Woodbridge, VA (W22
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
WHILE ON A FLT TO HATTERAS, NC, THE ENG RAN ROUGH, SO AFTER LANDING, THE PLT GOT AN AUTO MECHANIC TO REMOVE THE SPARK PLUGS. THE LOWER PLUGS ON THE LEFT SIDE WERE LEAD FOWLED & WERE CLEANED WITH A WIRE BRUSH. DURING TAKEOFF ON THE NEXT FLT, THE ENG LOST PARTIAL POWER SHORTLY AFTER LIFT-OFF. THE PLT WANTED TO LAND ON A BEACH STRAIGHT AHEAD, BUT THERE WAS A RAIN SHOWER & REDUCED VISIBILILITY IN THAT DIRECTION. THEREFORE, HE REMAINED IN THE TRAFFIC PATTERN, BUT WAS UNABLE TO CLIMB ABOVE 200 FT. WHILE MANEUVERING FOR ALIGNMENT WITH THE RWY, HE MADE A STEEP TURN & LOST ALTITUDE. SUBSEQUENTLY, THE ACFT CRASH LANDED SHORT OF THE RWY. AN EXAM OF THE ENG REVEALED LEAD BUILD-UPS ON THE SPARK PLUGS & LOW COMPRESSION IN THE #1 & #4 CYLINDERS. WHILE AT HATTERAS, THE ACFT HAD BEEN SERVICED WITH AUTO FUEL, BUT IT DID NOT HAVE AN STC FOR AUTO GASOLINE.

Probable Cause:

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: ATL85LA200
Status: Investigation completed
Duration:
Download report: Final report

Sources:

NTSB ATL85LA200

Location

Revision history:

Date/timeContributorUpdates
30-Mar-2024 06:02 ASN Update Bot Added

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