ASN Wikibase Occurrence # 359503
This information is added by users of ASN. Neither ASN nor the Flight Safety Foundation are responsible for the completeness or correctness of this information.
If you feel this information is incomplete or incorrect, you can submit corrected information.
| Date: | Saturday 10 December 1994 |
| Time: | 19:35 LT |
| Type: |  Enstrom F28C |
| Owner/operator: | Scott Tingley |
| Registration: | N214MM |
| MSN: | 355 |
| Total airframe hrs: | 1110 hours |
| Engine model: | LYCOMING HIO-360-E1AD |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Cabazon, CA -
 United States of America
|
| Phase: | En route |
| Nature: | Ferry/positioning |
| Departure airport: | |
| Thermal, CA (KTRM) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT SAID THE HELICOPTER HAD JUST LEVELED OFF IN CRUISE WHEN IT MADE AN UNCOMMANDED LEFT YAW ACCOMPANIED BY AN ENGINE OVERSPEED. THE PILOT ENTERED AN AUTOROTATION, DIAGNOSING THE PROBLEM AS A LOSS OF POWER THROUGH THE DRIVE TRAIN. DURING THE AUTOROTATION, HE ATTEMPTED TO 'REJOIN' THE NEEDLES, BUT WAS ONLY SUCCESSFUL IN INCREASING ENGINE RPM. AS HE APPROACHED HIS PLANNED TOUCHDOWN POINT, HE TURNED ON THE LANDING LIGHT WHICH ILLUMINATED UTILITY WIRES THAT HE HAD NOT SEEN PREVIOUSLY. HE MADE A CYCLIC CLIMB OVER THE WIRES, BUT DID NOT HAVE SUFFICIENT AIRSPEED, ALTITUDE, OR MAIN ROTOR RPM REMAINING TO CUSHION THE TOUCHDOWN. SUBSEQUENT POSTACCIDENT TEARDOWNS AND INSPECTIONS REVEALED NO MECHANICAL ABNORMALITIES.
Probable Cause: AN UNKNOWN EVENT (PRESUMABLY A COMPONENT/SYSTEM FAILURE) THAT RESULTED IN LOSS OF DRIVE TRAIN POWER TO THE MAIN ROTOR SYSTEM. FACTORS RELATED TO THE ACCIDENT WERE: DARKNESS AND THE OBSTRUCTION (TRANSMISSION LINE) IN THE EMERGENCY LANDING AREA.
Accident investigation:
 |
|
Sources:
NTSB LAX95LA048
History of this aircraft
Other occurrences involving this aircraft
| 29 April 1991 | N214MM | Randy Testman | 0 | Palm Springs, CA | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 15-Mar-2024 11:35 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
The Aviation Safety Network is an exclusive service provided by:
Quick Links:
| ASN Home | Send Correction / Feedback |
| FSF Home | Disclaimer | Copyright |
| Contact Us | Privacy Policy |
| Press / Media |
CONNECT WITH US:
©2024 Flight Safety Foundation