Aircraft Accident/Incident Report

Boring, Oregon 97009
Sunday, February 4, 1990 11:15 PST

NTSB Narrative Summary Released at Completion of Accident

WHILE EN ROUTE ON A X-COUNTRY FLT, THE ENG SUDDENLY LOST POWER. THE PLT INITIATED A FORCED LANDING IN A PLOWED FIELD, BUT THE ACFT ENCOUNTERED A RUT & NOSED OVER. IT WAS REMOVED TO A FACILITY FOR AN INSPN OF THE ENG & PREPARATION FOR A TEST RUN. THE ENG WAS STARTED & WAS OPERD FOR SVRL MIN AT VARYING POWER SETTINGS WITH NO ABNORMALITIES NOTED. THE TEMP & DEW POINT WERE 44 & 32 DEG, RESPECTIVELY. ACCORDING TO CARB ICING CHARTS, CONDITIONS WERE CONDUCIVE FOR CARB ICING.

NTSB Probable Cause Narrative

CARBURETOR ICING, AND THE PILOT'S IMPROPER USE OF CARBURETOR HEAT. FACTORS RELATED TO THE ACCIDENT WERE: CARBURETOR ICING CONDITIONS AND THE SOFT/UNEVEN TERRAIN IN THE EMERGENCY LANDING AREA.

Event Information

Type of Event Accident
Event Date 2/4/1990
Event Day of the Week Sunday
Time of Event 1115
Event Time Zone Pacific Standard Time
Event City BORING
Event State OREGON
Event Country --
Zipcode of the event site 97009
Event Date Year 1990
Event Date Month 2
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 0
Weather Briefing Completeness Full
Investigator's weather source Weather Observation Facility
Time of the weather observation 1146 Pacific Standard Time
Direction of event from weather observation facility (degrees) 325
Weather Observation Facility ID TTD
Elevation of weather observation facility 35
Distance of event from weather observation facility (units?) 8
Time Zone of the weather observation PST
Lighting Conditions Day
Lowest Ceiling Height 4000
Lowest Non-Ceiling Height 2000
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) 20
Air Temperature at event time (in degrees celsius) 7
Dew Point at event time (in degress fahrenheit) 0
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Calm
Wind Gust Indicator Not Gusting
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 2
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 352
NTSB Notification Source --
NTSB Notification Date Feb 4 1990 12:00AM
NTSB Notification Time 1155
Fiche Number and/or location -used to find docket information 41287
Date of most recent change to record Dec 12 2000 4:47PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N8898C
NTSB Number SEA90LA038
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed VFR
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name PIPER
Aircraft Model PA-22
Aircraft Series Identifier PA-22
Aircraft Serial Number 22-1477
Certified Max Gross Weight 1950
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 --
Airframe hours since last inspection 3
Airframe Hours 3220
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site Yes
ELT Type --
Aircraft Owner Name HARGRAVES, RONALD W
Aircraft Owner Street Address 2225 W INDIAN SCHOOL RD #512
Aircraft Owner City PHOENIX
Aircraft Owner State AZ
Aircraft Owner Country
Aircraft Owner Zipcode 85015
Operator is an individual? --
Operator Name RONALD HARGRAVES
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 2225 INDIAN SCHOOL RD #512
Operator City PHOENIX
Operator State AZ
Operator Country
Operator Zip code 85015
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 PSC
Departure City PASCO
Departure State WA
Departure Country
Departure Time 915
Departure Time Zone PDT
Destination Same as Local Flt --
Destination Airport Code 388
Destination City GRANTS PASS
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 10:35AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length 0
Runway Width 0
Sight Seeing flight No
Air Medical Flight No
Medical Flight --