Green Valley Airport
Aircraft Accident/Incident Report

Granite Falls, Washington 98252
Sunday, August 14, 1983 9:55 PDT

NTSB Narrative Summary Released at Completion of Accident

THE ACFT COLLIDED WITH THE GROUND IN A VERTICAL NOSE DOWN ATTITUDE. THE ENGINE WAS IMBEDDED 4 FT INTO THE GROUND. ALL COMPONENTS OF THE ACFT WERE ACCOUNTED FOR IN THE IMMEDIATE AREA OF THE IMPACT. WITNESSES OBSERVED THE ACFT IN A LEFT TURN BEFORE FALLING INTO A LEFT SPIN FOR 3/4 TURN AND STRIKING THE GROUND IN A VERTICAL ATTITUDE. A BURST OF ENGINE POWER WAS HEARD PRIOR TO IMPACT. A LOCAL PILOT WHO HAD FLOWN WITH THE OPERATOR IN THE ACCIDENT ACFT 2 WEEKS PRIOR TO THEMISHAP NOTED THAT THE AIRSPEED WAS READING ABOUT 15 MPH HIGH WITH INCIPIENT STALL CHARACTERISTICS NOTED WHEN AIRSPEED READINGS AS HIGH AS 70 MPH. THE OWNER STATED HE WOULD HAVE THE INSTRUMENT RECALIBRATED. NO EVIDENCE OF THIS WORK BEING DONE WAS FOUND.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 8/14/1983
Event Day of the Week Sunday
Time of Event 955
Event Time Zone Pacific Daylight Time
Event City GRANITE FALLS
Event State WASHINGTON
Event Country --
Zipcode of the event site 98252
Event Date Year 1983
Event Date Month 8
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport GREEN VALLEY
Event Location Nearest Airport ID WA25
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 1
Degrees magnetic from airport 200
Airport Elevation 300
Weather Briefing Completeness Unknown
Investigator's weather source Witness
Time of the weather observation 0
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 4000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 30
Air Temperature at event time (in degrees celsius) 21
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 190
Variable Wind Indicator Unknown
Wind Speed (knots) 3
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) 1000
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Fatal
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal 1
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 962
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 21271
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 N4446U
NTSB Number SEA83FA178
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name CESSNA
Aircraft Model 150
Aircraft Series Identifier 150
Aircraft Serial Number 150 60446
Certified Max Gross Weight 1500
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 2
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Aug 10 1983 12:00AM
Airframe hours since last inspection 1
Airframe Hours 4834
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name DELWIN M. WENTZ
Aircraft Owner Street Address 2523 SOPER HILL ROAD
Aircraft Owner City EVERETT
Aircraft Owner State WA
Aircraft Owner Country
Aircraft Owner Zipcode 98205
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 Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 0
Departure Time Zone
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Descent
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 18
Runway Length 1325
Runway Width 50
Sight Seeing flight No
Air Medical Flight No
Medical Flight --