Troh's Happy Valley Airport
Aircraft Accident/Incident Report

Portland, Oregon 97030
Sunday, May 29, 1983 21:40 PDT

NTSB Narrative Summary Released at Completion of Accident

WHILE LANDING AT NIGHT ON RWY 34, THE PLT NOTICED THAT HE WAS OVER HALF WAY DOWN THE RWY AND STILL FLOATING. HE ELECTED TO GO AROUND BUT THE ACFT COLLIDED WITH TREES ON THE DEPARTURE END & CRASHED. THE PLT REPORTED THAT SEVERAL OF THE THRESHOLD AND RWY LIGHTS WERE MISSING AT THE APCH END. THE DENSITY ALTITUDE AT THE ARPT WAS APRX 3800 FT.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 5/29/1983
Event Day of the Week Sunday
Time of Event 2140
Event Time Zone Pacific Daylight Time
Event City PORTLAND
Event State OREGON
Event Country --
Zipcode of the event site 97030
Event Date Year 1983
Event Date Month 5
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport TROH'S HAPPY VALLEY
Event Location Nearest Airport ID S15
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 797
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) 120
Weather Observation Facility ID PDX
Elevation of weather observation facility 26
Distance of event from weather observation facility (units?) 10
Time Zone of the weather observation PDT
Lighting Conditions Night/Dark
Lowest Ceiling Height 13000
Lowest Non-Ceiling Height 8000
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) 15
Air Temperature at event time (in degrees celsius) 32
Dew Point at event time (in degress fahrenheit) 9
Wind Direction (degrees magnetic) 130
Variable Wind Indicator Unknown
Wind Speed (knots) 6
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) 3800
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Minor
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor 1
Injury Total None 1
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 240
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 20400
Date of most recent change to record Jan 2 2001 9:15AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N2897U
NTSB Number SEA83LA111
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 172D
Aircraft Series Identifier 172D
Aircraft Serial Number 17250497
Certified Max Gross Weight 2300
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 Annual
Date of Last Inspection Apr 29 1983 12:00AM
Airframe hours since last inspection 0
Airframe Hours 1858
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name GARY D. STOCKER
Aircraft Owner Street Address 471 CHERRY AVENUE
Aircraft Owner City CHIMACUM
Aircraft Owner State WA
Aircraft Owner Country
Aircraft Owner Zipcode
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
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 TTD
Departure City TROUTDALE
Departure State OR
Departure Country
Departure Time 2125
Departure Time Zone PDT
Destination Same as Local Flt crash at destination city
Destination Airport Code SI5
Destination City PORTLAND
Destination State OR
Destination Country
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:36AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 34
Runway Length 2400
Runway Width 50
Sight Seeing flight No
Air Medical Flight No
Medical Flight --