ASN Wikibase Occurrence # 41088
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| Date: | Sunday 7 October 1990 |
| Time: | 14:47 |
| Type: |  Enstrom F-28C |
| Owner/operator: | private |
| Registration: | N88RA |
| MSN: | 344 |
| Total airframe hrs: | 1089 hours |
| Fatalities: | Fatalities: 1 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Mesquite, TX -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE HELICOPTER HAD DEPARTED THE RANCH FOR A LOCAL AREA PLEASURE FLIGHT WHEN AT APPROXIMATELY 300 FEET AGL A LOSS OF POWER OCCURRED. IT WAS OVER A HEAVILY WOODED AREA. THE PILOT ATTEMPTED TO EXTEND THE GLIDE BY PULLING IN COLLECTIVE PITCH AND MAKING A RIGHT TURN (QUARTERING TAILWIND) TO THE ONLY AVAILABLE CLEAR AREA. THE MAIN ROTOR RPM CONTINUED TO DECAY AND THE HELICOPTER DESCENDED VERTICALLY OUT OF CONTROL TO IMPACT ONTO THE OPEN FIELD. THE SKIDS COLLAPSED AND THE HELICOPTER ROLLED RIGHT. POST-ACCIDENT EXAMINATION OF THE WRECKAGE REVEALED THAT A MISALIGNED P-LEAD WIRE IN THE MAGNETO HAD CHAFED AND ARCED. ADDITIONALLY, BOTH P-LEAD CAPS WERE FOUND LOOSE. THE DIRECTOR OF MAINTENANCE FOR THE OPERATOR STATED THAT HE AND HIS MECHANIC DID NOT ADJUST THE MAGNETO TIMING BECAUSE IT WAS TO HARD TOO REACH ON THE HELICOPTER. THE ENGINE WAS TEST RUN WITHOUT DUPLICATION OF THE POWER LOSS. CAUSE: INSTALLATION ERROR OF COMPANY MAINTENANCE PERSONNEL. FACTORS WERE THE UNSUITABLE TERRAIN, THE TAILWIND, THE INABILITY OF THE PILOT TO MAINTAIN MAIN ROTOR RPM, AND THE INADEQUATE ANNUAL INSPECTION BY COMPANY MAINTENANCE PERSONNEL.
Sources:
NTSB: http://www.ntsb.gov/ntsb/brief.asp?ev_id=20001212X24462
History of this aircraft
Other occurrences involving this aircraft
| 9 May 1989 | N88RA | Fair, Fred | 0 | Regina, NM | |
sub |
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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