NTSB Identification: SEA89LA012.
The docket is stored on NTSB microfiche number 37031.
Accident occurred Saturday, October 15, 1988 in GRAHAM, WA
Probable Cause Approval Date: 09/11/1989
Aircraft: LAYCOCK BABY GREAT LAKES, registration: N8519K
Injuries: 1 Serious.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

ENG LOST PWR WHILE IN CRUISE ON LOCAL FLT. PLT ATTEMPTED TO RETURN TO FIELD BUT CONTACTED TREES DURING EMERG DESCENT TO FORCED LNDG. INVESTIGATION REVEALED PRESENCE OF WATER IN FUEL SYSTEM. FUEL SEDIMENT BOWL WAS AUTOMOTIVE TYPE WITH AVIATION DRAIN INSTALLED. DRAIN FITTING PENETRATED BOWL 3/16 INCHES BEYOND NORMAL, ALLOWING 2 INCHES OF UNDRAINABLE WATER AND SEDIMENT TO BE TRAPPED IN BOWL.

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

FUEL SYSTEM,DRAIN..IMPROPER

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

MAINTENANCE,INSTALLATION..IMPROPER..UNKNOWN

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

FLUID,FUEL..CONTAMINATION

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

FLUID,FUEL..WATER

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