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ASN Wikibase Occurrence # 38002
Last updated: 22 June 2020
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Date:06-APR-1982
Time:20:46
Type:Silhouette image of generic C320 model; specific model in this crash may look slightly different
Cessna 320F
Owner/operator:Three-Twenty Flying Club
Registration: N999LS
C/n / msn: 0036
Fatalities:Fatalities: 3 / Occupants: 3
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Category:Accident
Location:Missoula, MT -   United States of America
Phase: Approach
Nature:Executive
Departure airport:Seattle, WA (BFI)
Destination airport:Piedmont, SC (C)
Investigating agency: NTSB
Narrative:
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. CAUSE:

Sources:

NTSB: https://www.ntsb.gov/ntsb/brief.asp?ev_id=20020917X01972


Revision history:

Date/timeContributorUpdates
24-Oct-2008 10:30 ASN archive Added
21-Dec-2016 19:23 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]

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