ASN Wikibase Occurrence # 41548
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| Date: | Tuesday 16 January 1990 |
| Time: | 20:38 |
| Type: |  Cessna 402B |
| Owner/operator: | Superior Aviation |
| Registration: | N87163 |
| MSN: | 402B1005 |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Appleton, WI -
 United States of America
|
| Phase: | Approach |
| Nature: | Unknown |
| Departure airport: | Mosinee, WI (CWA) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT RECEIVED NUMEROUS WEATHER BRIEFINGS/UPDATES BEFORE TAKEOFF, WHICH INCLUDED TWO PILOT REPORTS OF WINDSHEAR BY AIRCRAFT ON THE APPROACH INTO APPLETON. SHORTLY AFTER TAKEOFF CONVECTIVE SIGMET 1E WAS TRANSMITTED BY THE RADAR CONTROLLER ON THE SAME FREQUENCY HE WAS WORKING N87163. THIS SIGMET CALLED FOR EMBEDDED THUNDERSTORMS. ABOUT 10 MIN LATER, WHILE BEING VECTORED FOR THE APPROACH INTO APPLETON, THE PILOT WAS GIVEN HEADING DEVIATIONS BECAUSE OF WEATHER. THE AIRCRAFT CRASHED 1/2 MI FROM THE APPROACH END OF THE RUNWAY. A WITNESS WHOSE RESIDENCE IS LOCATED BETWEEN THE OM AND MM FOR THE ILS APPROACH REPORTED A 'HUGE DOWNPOUR' WITH 'VERY STRONG WINDS' AT THE TIME OF THE ACCIDENT. WRECKAGE EXAMINATION REVEALED THAT ALL POWER CONTROLS FOR BOTH ENGINES WERE IN THE FULL FORWARD POSITION, AND THAT THE LEFT AND RIGHT MAIN LANDING GEAR MOUNTING TRUNNIONS WERE DISPLACED UPWARD INTO THE WING FUEL TANKS. CAUSE: THE PILOT'S DECISION TO CONTINUE FLIGHT INTO KNOWN ADVERSE WEATHER CONDITIONS RESULTING IN A WINDSHEAR ENCOUNTER WITH INSUFFICIENT ALTITUDE FOR RECOVERY. THE EXISTING ADVERSE WEATHER CONDITIONS WERE FACTORS.
Sources:
NTSB: http://www.ntsb.gov/ntsb/brief.asp?ev_id=20001212X22384
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 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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