Missoula County Airport
Aircraft Accident/Incident Report

Missoula, Montana 59801
Tuesady, April 6, 1982 20:46 MST

NTSB Narrative Summary Released at Completion of Accident

DURING ARRIVAL FOR AN ILS-2 APPROACH TO RUNWAY 11, THE PILOT WAS ADVISED TO HOLD AT THE KONA NDB WHILE SNOWPLOWS FINISHED CLEARING THE RUNWAY. AT THAT TIME, THE MISSOULA WEATHER WAS 1200 FT OBSCURED, 2 MI VISIBILITY WITH LIGHT SNOW AND FOG, TEMPERATURE AND DEW POINT WERE 32 AND 30 DEG RESPECTIVELY. ABOUT 1 MIN AFTER REACHING THE KONA NDB, THE PILOT DECLARED AN EMERGENCY AND REPORTED THAT BOTH ENGINES WERE BEGINNING TO LOSE POWER. AT THAT TIME, HE WAS CLEARED FOR AN IMMEDIATE APPROACH. SUBSEQUENTLY, THE PLANE COLLIDED WITH TREES AND CRASHED BETWEEN THE KONA NDB AND THE ILS OUTER MARKER. DURING AN INVESTIGATION, ALL FUEL TANKS WERE FOUND RUPTURED, BUT FUEL STAINS WERE FOUND BY BOTH TIP TANKS. NO PREIMPACT, MECHANICAL FAILURES WERE FOUND. BOTH ALTERNATE AIR HANDLES WERE FOUND CLOSED. JUST PRIOR TO CRASHING, WITNESSES HEARD THE PLANE AT LOW ALTITUDE. THEY REPORTED THAT 1 OR MORE ENGINES WERE RUNNING AND HEAVY SNOW WAS FALLING AND BLOWING.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 4/6/1982
Event Day of the Week Tuesday
Time of Event 2046
Event Time Zone Mountain Standard Time
Event City MISSOULA
Event State MONTANA
Event Country --
Zipcode of the event site 59801
Event Date Year 1982
Event Date Month 4
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude --
Event Location Longitude --
Event Location Airport MISSOULA COUNTY
Event Location Nearest Airport ID MSO
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 Unknown
Investigator's weather source Unknown
Time of the weather observation 2044
Direction of event from weather observation facility (degrees) 291
Weather Observation Facility ID MSO
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 10
Time Zone of the weather observation
Lighting Conditions Night/Dark
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Obscured
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) 31
Dew Point at event time (in degress fahrenheit) 0
Wind Direction (degrees magnetic) 140
Variable Wind Indicator Unknown
Wind Speed (knots) 8
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) 0
Intensity of Precipitation Heavy
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 3
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 3
Investigating Agency NTSB
NTSB Docket Number (internal use) 3055
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information
Date of most recent change to record Oct 31 2002 4:04PM
User who most recently changed record NTSB\ZUZL
Basic weather conditions Instrument Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N999LS
NTSB Number DEN82FA056
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 CESSNA
Aircraft Model 320F
Aircraft Series Identifier 320F
Aircraft Serial Number 0036
Certified Max Gross Weight 5300
Aircraft Category Airplane
Aircraft Registration Class Unknown
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 6
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection --
Airframe hours since last inspection 19
Airframe Hours 1988
ELT Installed Yes
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name THREE-TWENTY FLYING CLUB
Aircraft Owner Street Address P.O. BOX 7337
Aircraft Owner City MISSOULA
Aircraft Owner State MT
Aircraft Owner Country
Aircraft Owner Zipcode 59807
Operator is an individual? --
Operator Name THREE-TWENTY FLYING CLUB
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address P.O. BOX 7337
Operator City MISSOULA
Operator State MT
Operator Country
Operator Zip code 59807
Operator Code
Owner has at least one certificate Yes - certificate holder
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) Executive/Corporate
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code BFI
Departure City SEATTLE
Departure State WA
Departure Country
Departure Time 1843
Departure Time Zone
Destination Same as Local Flt crash at destination city
Destination Airport Code C
Destination City PIEDMONT
Destination State SC
Destination Country
Specific Phase of Flight Approach
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Sep 18 2002 4:49PM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 11
Runway Length 9499
Runway Width 150
Sight Seeing flight No
Air Medical Flight No
Medical Flight --