Aircraft Accident/Incident Report

Prairie City, Oregon 97817
Friday, March 2, 1990 4:40 PST

NTSB Narrative Summary Released at Completion of Accident

DURING A NIGHT CROSS COUNTRY FLIGHT, THE AIRPLANE BEGAN TO CLIMB, THEN SUDDENLY ENTERED A LEFT DESCENDING TURN UNTIL COLLISION WITH THE TERRAIN. THE WEATHER ALONG THE FLIGHT COURSE WAS FORECAST TO HAVE MOUNTAINS OCCASIONALLY OBSCURED WITH CLOUDS AND THE FREEZING LEVEL WAS LOW. DURING THE ON-SCENE INVESTIGATION, THERE WERE NO NOTED MECHANICAL FAILURES OR MALFUNCTIONS WITH THE AIRPLANE.

NTSB Probable Cause Narrative

UNCONTROLLED SPIRALLING DESCENT THAT THE PILOT DID NOT ADEQUATELY RECOVER FROM. THE PILOTS LACK OF TOTAL EXPERIENCE IN THIS TYPE OF OPERATION AND THE DARK NIGHT CONDITION ARE A FACTOR.

Event Information

Type of Event Accident
Event Date 3/2/1990
Event Day of the Week Friday
Time of Event 440
Event Time Zone Pacific Standard Time
Event City PRAIRIE CITY
Event State OREGON
Event Country --
Zipcode of the event site 97817
Event Date Year 1990
Event Date Month 3
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 452 Pacific Standard Time
Direction of event from weather observation facility (degrees) 357
Weather Observation Facility ID BKE
Elevation of weather observation facility 3369
Distance of event from weather observation facility (units?) 42
Time Zone of the weather observation PST
Lighting Conditions Night/Dark
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 5000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling Unknown
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) -4
Dew Point at event time (in degress fahrenheit) -6
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 Fatal
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal 2
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 794
NTSB Notification Source --
NTSB Notification Date Mar 6 1990 12:00AM
NTSB Notification Time 730
Fiche Number and/or location -used to find docket information 41893
Date of most recent change to record Dec 12 2000 4:51PM
User who most recently changed record dbo
Basic weather conditions Unknown
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N2947R
NTSB Number SEA90FA074
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed VFR
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name PIPER
Aircraft Model PA28R-200
Aircraft Series Identifier PA28R-200
Aircraft Serial Number 28R-35341
Certified Max Gross Weight 2900
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 Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Aug 1 1989 12:00AM
Airframe hours since last inspection 52
Airframe Hours 2272
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name ARCHER, FRANK E.
Aircraft Owner Street Address 2355 SE 55TH
Aircraft Owner City HILLSBORO
Aircraft Owner State OR
Aircraft Owner Country
Aircraft Owner Zipcode 97123
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 7S3
Departure City HILLSBORO
Departure State OR
Departure Country
Departure Time 252
Departure Time Zone PST
Destination Same as Local Flt --
Destination Airport Code BOI
Destination City BOISE
Destination State ID
Destination Country
Specific Phase of Flight Descent
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 --