ASN Wikibase Occurrence # 377418
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Date: | Saturday 13 April 1985 |
Time: | 11:03 LT |
Type: | Ultralight Flight PHANTOM II |
Owner/operator: | Leonard Marnewecke |
Registration: | UNREG |
MSN: | 2008 |
Total airframe hrs: | 12 hours |
Engine model: | ROTAX 503 2-CYCLE |
Fatalities: | Fatalities: / Occupants: 2 |
Aircraft damage: | Destroyed |
Category: | Accident |
Location: | Erie, CO -
United States of America
|
Phase: | Unknown |
Nature: | Training |
Departure airport: | Erie Airpark, CO (48V) |
Destination airport: | |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative: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.
Probable Cause:
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | DEN85FTE01 |
Status: | Investigation completed |
Duration: | |
Download report: | Final report |
|
Sources:
NTSB DEN85FTE01
Location
Revision history:
Date/time | Contributor | Updates |
30-Mar-2024 11:32 |
ASN Update Bot |
Added |
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