NTSB Identification: SEA88LA020.
The docket is stored on NTSB microfiche number 36238.
Accident occurred Wednesday, November 18, 1987 in SEQUIM, WA
Probable Cause Approval Date: 06/16/1989
Aircraft: CESSNA 172M, registration: N70334
Injuries: 2 Minor.

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

DURING DARK NIGHT VISUAL METEOROLOGICAL CONDITIONS, THE AIRCRAFT STRUCK TREES WHILE IN CRUISE FLT AT ABOUT 2,000 FEET MSL. ALTHOUGH THE PILOT HAD REQUESTED VFR TRAFFIC ADVISORIES, HE DID NOT SOLICIT THE USE OF THE LOW ALTITUDE ALERT SYSTEM. THIS SYSTEM WAS DESIGNED AS A CONTROLLER AID IN DETECTING POTENTIALLY UNSAFE AIRCRAFT PROXIMITY TO TERRAIN OR OBSTRUCTIONS AND WAS AVAILABLE AT THE TIME FOR VFR FLTS IF REQUESTED. THE PLT REFUSED TO SUBMIT ANY WRITTEN STATEMENTS CONCERNING THE ACCIDENT.

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

ALTITUDE..IMPROPER..PILOT IN COMMAND


Contributing Factors

OBJECT..TREE(S)


Contributing Factors

LIGHT CONDITION..DARK NIGHT


Contributing Factors

VISUAL LOOKOUT..INADEQUATE..PILOT IN COMMAND


Contributing Factors

RADAR ASSISTANCE TO VFR AIRCRAFT..NOT OBTAINED..PILOT IN COMMAND

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