ASN Wikibase Occurrence # 40775
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| Date: | Tuesday 9 December 1986 |
| Time: | 15:30 |
| Type: |  Hughes 369HS |
| Owner/operator: | private |
| Registration: | N8390F |
| MSN: | 860855S |
| Total airframe hrs: | 645 hours |
| Engine model: | ALLISON 250-C20 |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Zephyrhills, FL -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Tampa, FL |
| Jacksonville, FL | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
A WITNESS STATED THAT SHE HEARD THE ENG ON THE HELICOPTER QUIT. SHE LOOKED OUT HER WINDOW AND WATCHED THE HELICOPTER HIT THE GROUND, BOUNCE, HIT AGAIN, FLIP OVER AND THE TAIL BROKE OFF. THE HELICOPTER THEN BURST INTO FLAMES AND EXPLODED.EXAM OF THE ENG REVEALED THAT THE PC AIR FILTER ASSEMBLY WAS BROKEN AT THE FORWARD INLET SIDE OF THE FILTER BODY WHICH RESULTED IN THE LOSS OF PC AIR PRESSURE TO THE FUEL CONTROL.THIS CAUSED THE ENG POWER TO REDUCE TO FLIGHT IDLE. THE PC FILTER HOUSING BROKE DUE TO AN IMPROPER MODIFICATION TO THE FILTER BODY. CAUSE:
Sources:
NTSB: http://www.ntsb.gov/ntsb/brief.asp?ev_id=20001213X35388
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:23 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
Corrections or additions? ... Edit this accident description
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