ASN Wikibase Occurrence # 36670
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| Date: | Saturday 2 October 1993 |
| Time: | 12:10 LT |
| Type: |  Beechcraft G35 Bonanza |
| Owner/operator: | Bemidji Aviation Services, Inc |
| Registration: | N4421D |
| MSN: | D-4574 |
| Engine model: | CONTINENTAL IO-470-N |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Webster, WI -
 United States of America
|
| Phase: | Unknown |
| Nature: | Private |
| Departure airport: | Bimidji, MN (KBJI) |
| Rice Lake, WI (KRIE) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
RADAR DATA SHOWED THE AIRPLANE WAS CRUISING AT ABOUT 7500' MSL & 190 KTS GROUND SPEED & TRACKING ABOUT 140 DEGREES, WHEN IT BEGAN TO DESCEND. THE LAST RECORDED ALTITUDE WAS ABOUT 6500' MSL. WITNESSES HEARD A LOUD NOISE, THEN SAW THE AIRPLANE & DEBRIS FROM THE PLANE FALLING TO THE GROUND. THEY WERE UNABLE TO JUDGE THE AIRPLANE'S ALTITUDE WHEN IT BROKE UP. WRECKAGE WAS SCATTERED OVER A DISTANCE OF ABOUT 1.3 MILES. AN EXAM REVEALED THE V-TAIL STABILIZERS & WINGS HAD SEPARATED IN FLIGHT. THERE WAS EVIDENCE THE STABILIZERS HAD FAILED IN A DOWNWARD DIRECTION. THE RIGHT WING SEPARATED FROM THE FUSELAGE AT THE WING ROOT, & THE LEFT WING HAD SEPARATED IN 3 MAIN PIECES; THERE WAS EVIDENCE ON THE FRONT SPAR CARRY-THROUGH STRUCTURE THAT THE WINGS HAD FAILED IN A DOWNWARD DIRECTION. BOTH FRONT SEAT BELTS WERE INTACT, BUT UNLATCHED, WITH NO EVIDENCE OF DEFORMATION; THE PILOT WAS THROWN FROM THE AIRPLANE DURING THE ACCIDENT. NO PRE-ACCIDENT ANOMALIES OF THE AIRFRAME WERE FOUND.
Probable Cause: IN-FLIGHT BREAKUP OF THE AIRPLANE FOR AN UNDETERMINED REASON.
Accident investigation:
 |
|
Sources:
NTSB CHI94FA001
Location
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] |
| 10-Apr-2024 10:52 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Phase, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
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