Martha Lake Airport
Aircraft Accident/Incident Report

Alderwood Manor, Washington 98036
Monday, September 4, 1989 16:40 PDT

NTSB Narrative Summary Released at Completion of Accident

THE ACCIDENT OCCURRED WHEN THE PILOT LANDED DOWNWIND ON A 1689 FT RUNWAY. SUBSEQUENTLY, THE AIRCRAFT WENT OFF THE DEPARTURE END OF THE RUNWAY AND HIT A TREE AND A BOAT. THE AIRPORT DATA WARNED OF 'TREE RWY 16; BUILDING RWY 34.'

NTSB Probable Cause Narrative

IMPROPER PLANNING/DECISION BY THE PILOT. THE TAILWIND AND HIGH OBSTRUCTIONS WERE RELATED FACTORS.

Event Information

Type of Event Accident
Event Date 9/4/1989
Event Day of the Week Monday
Time of Event 1640
Event Time Zone Pacific Daylight Time
Event City ALDERWOOD MANOR
Event State WASHINGTON
Event Country --
Zipcode of the event site 98036
Event Date Year 1989
Event Date Month 9
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport MARTHA LAKE
Event Location Nearest Airport ID S13
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 500
Weather Briefing Completeness Unknown
Investigator's weather source Unknown
Time of the weather observation 1645 Pacific Daylight Time
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID PAE
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation PDT
Lighting Conditions Day
Lowest Ceiling Height 10000
Lowest Non-Ceiling Height 6000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 50
Air Temperature at event time (in degrees celsius) -18
Dew Point at event time (in degress fahrenheit) -18
Wind Direction (degrees magnetic) 320
Variable Wind Indicator Unknown
Wind Speed (knots) 8
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) 0
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 1968
NTSB Notification Source --
NTSB Notification Date Sep 4 1989 12:00AM
NTSB Notification Time 1707
Fiche Number and/or location -used to find docket information 41085
Date of most recent change to record Dec 18 2002 11:28AM
User who most recently changed record NTSB\GIUV
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N98354
NTSB Number SEA89LA161
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name CESSNA
Aircraft Model 172P
Aircraft Series Identifier 172P
Aircraft Serial Number 17276282
Certified Max Gross Weight 2150
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 4
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection --
Airframe hours since last inspection 0
Airframe Hours --
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name UNKNOWN
Aircraft Owner Street Address
Aircraft Owner City
Aircraft Owner State
Aircraft Owner Country
Aircraft Owner Zipcode
Operator is an individual? --
Operator Name STEVE LEE
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 8467 PERIMETER ROAD SOUTH
Operator City SEATTLE
Operator State WA
Operator Country
Operator Zip code 98108
Operator Code
Owner has at least one certificate None
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Personal
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code BFI
Departure City SEATTLE
Departure State WA
Departure Country
Departure Time 1610
Departure Time Zone PDT
Destination Same as Local Flt crash at destination city
Destination Airport Code S13
Destination City
Destination State
Destination Country
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:35AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 16
Runway Length 1689
Runway Width 40
Sight Seeing flight No
Air Medical Flight No
Medical Flight --