ASN Wikibase Occurrence # 278928
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| Date: | Sunday 14 July 2019 |
| Time: | 13:15 LT |
| Type: |  Piper PA-18A-150 |
| Owner/operator: | Red Wing Soaring Association |
| Registration: | N6983B |
| MSN: | 18-5105 |
| Year of manufacture: | 1956 |
| Total airframe hrs: | 7040 hours |
| Engine model: | Lycoming O-320 SERIES |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Osceola, Wisconsin -
 United States of America
|
| Phase: | Take off |
| Nature: | Private |
| Departure airport: | Osceola Municipal Airport, WI (OEO/KOEO) |
| Osceola Municipal Airport, WI (OEO/KOEO) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Upon takeoff, the pilot heard a 'bang†and could not control the airplane. The pilot was able to get the wings level before the airplane hit the ground. The airplane bounced, went through a ditch, and came to rest inverted, resulting in substantial damage to the empennage.
Examination of the airplane revealed a broken attachment fitting of the right horizontal stabilizer. The fabric covering was removed from the right and left stabilizers. The attachment corner of the right stabilizer frame was fractured. Pitting, multiple broken welds, and corrosion were found around the fracture. The right stabilizer frame had been fabricated and was not a Federal Aviation Adminstration/parts manufacturer approval-approved part. Maintenance records revealed that the stabilizer assembly had been removed for inspection, refurbished, and replaced multiple times. The most recent maintenance was performed about 4 months prior to the accident, when an annual inspection was completed and new sleeves for the forward attachment points were fabricated and installed on the stabilizer assembly.
Probable Cause: The failure of the right horizontal stabilizer during takeoff, resulting in a loss of control and forced landing. Contributing to the accident was the installation of an unapproved stabilizer frame and failure of maintenance personnel to identify deterioration of the stabilizer during routine maintenance.
Accident investigation:
 |
|
Sources:
NTSB CEN19LA224
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 05-Jun-2022 12:29 | ASN Update Bot | Added |
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