ASN Wikibase Occurrence # 39068
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| Date: | Saturday 13 April 1985 |
| Time: | 11:03 |
| Type: | Ultralight Flight PHANTOM II |
| Owner/operator: | Leonard Marnewecke |
| Registration: | unreg. |
| MSN: | 2008 |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Erie, CO -
 United States of America
|
| Phase: | En route |
| Nature: | Training |
| Departure airport: | Erie Airpark, CO (48V) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE ULTRALIGHT DESCENDED UNCONTROLLED TO GROUND IMPACT FOLLOWING A FAILURE OF THE OUTBOARD FORWARD WING SUPPORT CABLE/SWAGE. WITNESSES REPORTED THE ULTRALIGHT TURNED FROM NORTH TO SOUTH AND UPON LEVELING OUT, THE LEFT WING SNAPPED UPWARD, THE RIGHT WING COLLAPSED AND THE ULTRALIGHT ENTERED A DIVING TURN TO THE GROUND. POST ACCIDENT TESTS DISCLOSED ALL 4 CABLE ASS'Y WERE MANUFACTURED WITH THE NICROPRESS OVAL M SLEEVE BUT WERE SWAGED WITH THE WRONG SWAGING TOOL (SLIGHTLY LARGER) FOR THE OVAL P. THE CABLE SHOWED EVIDENCE OF FAILURE AT THE NICROPRESS SWAGED CONNECTIONS. TENSILE TESTS REVEALED THE IMPROPERLY SWAGED CONNECTIONS FAILED PREMATURELY DUE TO SLIPPAGE AT THE CONNECTIONS. CAUSE:
Sources:
NTSB: https://www.ntsb.gov/ntsb/brief.asp?ev_id=20001214X36150
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
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