Crest Airpark Airport
Aircraft Accident/Incident Report

Kent, Washington 98042
Thursday, June 23, 1988 21:08 PDT

NTSB Narrative Summary Released at Completion of Accident

PLT WAS INTENTIONALLY TAXIING ON GRASS BETWEEN PAVED RUNWAY AND TAXIWAY FOR BETTER TAILWHEEL CONTROL. THE ACFT STRUCK AN UNSEEN OBSTRUCTION IN DUSK CONDITIONS.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 6/23/1988
Event Day of the Week Thursday
Time of Event 2108
Event Time Zone Pacific Daylight Time
Event City KENT
Event State WASHINGTON
Event Country --
Zipcode of the event site 98042
Event Date Year 1988
Event Date Month 6
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport CREST AIRPARK
Event Location Nearest Airport ID S36
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 466
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 2100 Pacific Daylight Time
Direction of event from weather observation facility (degrees) 310
Weather Observation Facility ID BFI
Elevation of weather observation facility 17
Distance of event from weather observation facility (units?) 13
Time Zone of the weather observation PDT
Lighting Conditions Dusk
Lowest Ceiling Height 4000
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Overcast
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 15
Dew Point at event time (in degress fahrenheit) 8
Wind Direction (degrees magnetic) 30
Variable Wind Indicator Unknown
Wind Speed (knots) 5
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) --
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) 312
NTSB Notification Source --
NTSB Notification Date Jun 24 1988 12:00AM
NTSB Notification Time 915
Fiche Number and/or location -used to find docket information 36094
Date of most recent change to record Dec 13 2000 11:51AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N488JL
NTSB Number SEA88LA116
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 TERATRON
Aircraft Model TIERRA 2
Aircraft Series Identifier TIERRA 2
Aircraft Serial Number 3488517
Certified Max Gross Weight 900
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? Yes
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 2
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Jun 18 1988 12:00AM
Airframe hours since last inspection 7
Airframe Hours 69
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name MICHAEL J. DEMARCO
Aircraft Owner Street Address 5701 MILLPOND LOOP
Aircraft Owner City AUBURN
Aircraft Owner State MA
Aircraft Owner Country
Aircraft Owner Zipcode 98003
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 19912-202 MILITARY RD. S
Operator City SEATTLE
Operator State WA
Operator Country
Operator Zip code 98188
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 S88
Departure City ARLINGTON
Departure State WA
Departure Country
Departure Time 2010
Departure Time Zone PDT
Destination Same as Local Flt --
Destination Airport Code S36
Destination City KENT
Destination State WA
Destination Country
Specific Phase of Flight Taxi - from 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 33
Runway Length 3267
Runway Width 40
Sight Seeing flight No
Air Medical Flight No
Medical Flight --