Aircraft Accident/Incident Report

White Salmon, Washington 98835
Friday, February 21, 1986 12:32 PST

NTSB Narrative Summary Released at Completion of Accident

DURING IFR CRUISE, A LOSS OF POWER OCCURRED. THE PILOT COMPLIED WITH EMERGENCY PROCEDURES FOR POWER LOSS BUT WHEN HE REACHED DOWN TO SWITCH THE FUEL TANK SELECTOR HE LOST CONTROL OF THE AIRCRAFT AND ENTERED INTO A NOSE DOWN UNUSUAL ATTITUDE, DESCENDING AT THE RATE OF 2,500 FEET PER MINUTE. DURING RECOVERY, THE AIRCRAFT BROKE OUT OF CLOUDS AT 1200 FEET AGL. DURING ATTEMPT TO LAND ON A CURVING ROAD, THE PILOT WAS FORCED TO AVOID POWER LINES. A HARD LANDING RESULTED. INVESTIGATION REVEALED A LOOSE CARBURETOR HEAT HOUSING CLAMP, RESTRICTING TRAVEL OF THE CARB HEAT CONTROL AND THAT AUTOMOTIVE/MIXED FUEL WAS BEING USED.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 2/21/1986
Event Day of the Week Friday
Time of Event 1232
Event Time Zone Pacific Standard Time
Event City WHITE SALMON
Event State WASHINGTON
Event Country --
Zipcode of the event site 98835
Event Date Year 1986
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 --
Degrees magnetic from airport --
Airport Elevation 0
Weather Briefing Completeness Full
Investigator's weather source Pilot
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 1200
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) 2
Air Temperature at event time (in degrees celsius) 0
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Light and Variable
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation Light
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 4
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 205
NTSB Notification Source --
NTSB Notification Date Feb 21 1986 12:00AM
NTSB Notification Time 1400
Fiche Number and/or location -used to find docket information 30294
Date of most recent change to record Jan 2 2001 9:14AM
User who most recently changed record dbo
Basic weather conditions Instrument Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N340H
NTSB Number SEA86LA063
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name NAVION
Aircraft Model A
Aircraft Series Identifier A
Aircraft Serial Number 4-58
Certified Max Gross Weight 2750
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 Nov 15 1985 12:00AM
Airframe hours since last inspection --
Airframe Hours --
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name GLENN E. ARMSTRONG
Aircraft Owner Street Address 1493 WESTFIELD COURT
Aircraft Owner City STAYTON
Aircraft Owner State OR
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 50R8
Departure City STAYTON
Departure State OR
Departure Country
Departure Time 1130
Departure Time Zone PST
Destination Same as Local Flt --
Destination Airport Code OMK
Destination City OMAK
Destination State WA
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 0
Runway Length 0
Runway Width 0
Sight Seeing flight No
Air Medical Flight No
Medical Flight --