ASN Wikibase Occurrence # 38170
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| Date: | Monday 6 May 1991 |
| Time: | 22:25 LT |
| Type: |  Piper PA-34-200T |
| Owner/operator: | Airpac Airlines, Inc. |
| Registration: | N2859M |
| MSN: | 34-7870097 |
| Engine model: | CONTINENTAL TSIO-360-EBIB |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Ravensdale, WA -
 United States of America
|
| Phase: | Unknown |
| Nature: | Unknown |
| Departure airport: | Spokane, WA (KGEG) |
| Seattle, WA (KBFI) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
WHILE DESCENDING FROM 6,000 FT MSL, THE PILOT CANCELED IFR AND WAS CLEARED FOR A VFR APPROACH TO BOEING FIELD, SEATTLE. RADIO AND RADAR CONTACT WAS LOST AT 2,600 FT MSL. THE WRECKAGE WAS LOCATED 14.8 MI FROM THE DESTINATION. BOTH WINGS AND THE STABILATOR HAD SEPARATED IN FLIGHT. A PERFORMANCE STUDY INDICATES THAT THE IN-FLIGHT BREAKUP OCCURRED AT 5,100 FT DURING A DESCENT AT 205 KTS IAS. VNE FOR THIS AIRPLANE IS 195 KTS IAS. THE ROUTE DESCRIPTION FOR THE FLIGHT INDICATES THAT AFTER LANDING AT BOEING FIELD, BURLINGTON NORTHERN FREIGHT MUST BE TRANSFERED VIA VEHICLE TO THE SEATAC AIRPORT WITH A DELIVERY DEADLINE OF 2230. AFT CG WAS EXCEEDED BY 1.68 IN.
Probable Cause: THE IN-FLIGHT BREAKUP OF THE AIRPLANE AS A RESULT OF THE PILOT EXCEEDING THE SPEED AND STRESS LIMITS FOR THE AIRPLANE. A FACTOR RELATING TO THE ACCIDENT WAS THE CENTER OF GRAVITY LOADING THAT EXCEEDED THE AFT LIMITS.
Accident investigation:
 |
|
Sources:
NTSB SEA91FA099
History of this aircraft
Other occurrences involving this aircraft
| 5 February 1983 | N2859M | Airpac Airlines | 0 | Seattle, WA | |
sub |
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] |
| 21-Apr-2024 06:42 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Phase, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
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