ASN Wikibase Occurrence # 365377
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| Date: | Saturday 4 May 1991 |
| Time: | 14:48 LT |
| Type: |  Cessna 182A |
| Owner/operator: | Sky Dive San Marcos, Inc. |
| Registration: | N6172B |
| MSN: | 34172 |
| Year of manufacture: | 1957 |
| Engine model: | CONTINENTAL O-470-L |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Fentress, TX -
 United States of America
|
| Phase: | Unknown |
| Nature: | Unknown |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
SUBSEQUENT TO THE DEPARTURE OF THE SKYDIVERS, THE AIRPLANE ENTERED A SPIRAL DESCENT. THE JUMP DOOR, NOT THE SKY MOTIVE JUMP DOOR LISTED ON THE AIRPLANE'S FORM 337, WHICH HAD BEEN APPROVED BY AN FAA INSPECTOR, ENTERED A FLUTTER CONDITION. THE PILOT DOOR, WINDSHIELD AND PILOT DOOR WINDOW SEPARATED DURING THE DESCENT. THIS FLUTTER CONDITION AND SEPARATION OF COMPONENTS RESULTED IN THE PILOT BEING UNABLE TO CONTROL THE AIRPLANE. IMPACT OCCURRED IN A 20 TO 30 DEGREE NOSE LOW ATTITUDE IN APPROXIMATELY A 65 DEGREE LEFT ANGLE OF BANK.
Probable Cause: THE IMPROPER MAJOR MODIFICATION OF THE AIRPLANE BY THE OPERATOR, AND THE RESULTANT SEPARATION OF THE DOOR, WINDOW AND WINDSHIELD. A FACTOR WAS THE INSTALLATION OF A NON APPROVED JUMP DOOR.
Accident investigation:
 |
|
Sources:
NTSB FTW91FA072
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 20-Mar-2024 09:32 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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