ASN Wikibase Occurrence # 30224
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Date: | Friday 17 March 2000 |
Time: | 13:52 |
Type: | Hiller UH-12B |
Owner/operator: | Private |
Registration: | N5304V |
MSN: | 575 |
Total airframe hrs: | 3998 hours |
Engine model: | Franklin 6V4-200-C33 |
Fatalities: | Fatalities: 0 / Occupants: 1 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | Sanford Airport, Sanford, Orlando, Florida -
United States of America
|
Phase: | Initial climb |
Nature: | Private |
Departure airport: | SFB |
Destination airport: | |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:While climbing after takeoff, the pilot stated he experienced a 1 to 1 vibration. He lowered the collective and initiated an approach the surface. The vibration got worse and as he approached the surface and raised the collective the helicopter felt like there was no response from the controls. The helicopter hit hard and rolled onto it's side. Post crash examination of the helicopter by an FAA inspector showed no obvious mechanical defects in the rotors or flight control systems. The left engine magneto 'P' lead was found loose, rendering the magneto inoperative. The threads on the 'P' lead had no damage and the magneto was not damaged from impact.
Probable Cause: The pilot's improper collective and cyclic control usage during an emergency descent, following the onset of a 1 to 1 vibration for undetermined reasons, resulting in the helicopter landing hard and rolling over.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | MIA00LA111 |
Status: | Investigation completed |
Duration: | |
Download report: | Final report |
|
Sources:
NTSB:
https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20001212X20696&key=1 FAA register: 2.
http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?omni=Home-N-Number&nNumberTxt=5304V
History of this aircraft
Other occurrences involving this aircraft Revision history:
Date/time | Contributor | Updates |
27-Sep-2008 01:00 |
ASN archive |
Added |
13-Jun-2014 20:15 |
Dr. John Smith |
Updated [Time, Operator, Total fatalities, Total occupants, Other fatalities, Location, Country, Phase, Nature, Departure airport, Source, Damage, Narrative] |
21-Dec-2016 19:16 |
ASN Update Bot |
Updated [Time, Damage, Category, Investigating agency] |
21-Dec-2016 19:20 |
ASN Update Bot |
Updated [Time, Damage, Category, Investigating agency] |
12-Dec-2017 18:28 |
ASN Update Bot |
Updated [Departure airport, Source, Narrative] |
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