ASN Wikibase Occurrence # 361300
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| Date: | Wednesday 15 September 1993 |
| Time: | 14:00 LT |
| Type: |  Beechcraft G35 |
| Owner/operator: | Private |
| Registration: | N4641D |
| MSN: | D-4810 |
| Year of manufacture: | 1956 |
| Total airframe hrs: | 4916 hours |
| Engine model: | CONTINENTAL E-225-8 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Arlington, WA -
 United States of America
|
| Phase: | Approach |
| Nature: | Private |
| Departure airport: | |
| ( S88) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
WHILE ENTERING THE LANDING PATTERN THE PILOT FELT A 'BUMP' FOLLOWED BY A VIBRATION AND FORE AND AFT OSCILLATION OF THE CONTROL COLUMN. AN RPM INCREASE AND THROTTLE/SPEED REDUCTION WAS EFFECTED AND THE VIBRATION CEASED. AN UNEVENTFUL LANDING FOLLOWED. EXAMINATION OF THE AIRCRAFT REVEALED THAT THE LEFT STABILIZER SPAR WAS COMPLETELY FRACTURED THROUGH THE UPPER AND LOWER OUTBOARD BOLTS. METALLURGICAL EXAMINATION REVEALED NO PREEXISTING CRACK AND CHARACTERIZED THE FRACTURE AS TYPICAL OF AN OVERSTRESS SEPARATION. THE RUDDERVATORS WERE WEIGHED AND FOUND TO BE WITHIN BALANCE TOLERANCE LIMITS.
Probable Cause: FRACTURE OF THE LEFT STABILIZER SPAR.
Accident investigation:
 |
|
Sources:
NTSB SEA93LA217
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 16-Mar-2024 16:56 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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