ASN Wikibase Occurrence # 42771
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| Date: | Friday 2 October 1992 |
| Time: | 16:53 LT |
| Type: |  Beechcraft N35 Bonanza |
| Owner/operator: | Aeronautical Services, Inc. |
| Registration: | N885R |
| MSN: | D6618 |
| Total airframe hrs: | 4732 hours |
| Engine model: | CONTINENTAL IO-470-N1B |
| Fatalities: | Fatalities: 4 / Occupants: 4 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Burlington, WA -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Private |
| Departure airport: | |
| Friday Harbor, WA | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE AIRCRAFT MADE LOUD RHYTHMIC NOISES DURING TAKEOFF. IT REACHED THE END OF THE RUNWAY AT A LOW ALTITUDE ABOVE THE GROUND IN AN INITIAL CLIMB WHEN THE ENGINE SOUNDS DECREASED, THE LANDING GEAR WAS EXTENDED AND THE AIRCRAFT ENTERED A STEEP TURN BACK TO THE AIRPORT. THE NOSE DROPPED DURING THE TURN, AND THE AIRCRAFT DESCENDED NOSE DOWN, IMPACTED THE GROUND AND IGNITED IN FLAMES. EXAMINATION OF THE WRECKAGE REVEALED A PARTIALLY SEPARATED PROPELLER CYLINDER HUB BALANCE RING. EXAMINATION OF THE PROPELLER REVEALED ONE CYLINDER MOUNTING SCREW WAS MISSING AND FOUR MOUNTING SCREWS CONTAINED FATIGUE CRACKING. THERE WAS A CLEARED AREA OFF THE END OF THE TAKEOFF RUNWAY AND A LARGE, LEVEL PASTURE BEYOND THE CLEARED AREA.
Probable Cause: THE FAILURE OF SCREWS ON THE PROPELLER HUB DURING TAKEOFF, THE IMPROPER INFLIGHT DECISION BY THE PILOT TO RETURN FOR LANDING, AND THE STEEP, EXCESSIVE BANK ANGLE WHICH RESULTED IN A STALL/SPIN AND LOSS OF CONTROL.
Accident investigation:
 |
|
Sources:
NTSB SEA93FA002
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:24 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 10-Apr-2024 17:34 | ASN Update Bot | Updated [Time, Cn, Operator, Other fatalities, Phase, Source, Narrative, Category, Accident report] |
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