ASN Wikibase Occurrence # 363189
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| Date: | Monday 3 August 1992 |
| Time: | 17:13 LT |
| Type: |  Hughes 369HS |
| Owner/operator: | Private |
| Registration: | N501FH |
| MSN: | 810338S |
| Year of manufacture: | 1972 |
| Total airframe hrs: | 8857 hours |
| Engine model: | Allison 250-C20 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Monroe, LA -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Private |
| Departure airport: | (KMLU) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PURPOSE OF THE FLIGHT WAS TO TRACK THE MAIN ROTOR SYSTEM. THE DEPARTURE WAS TO THE SOUTHEAST AND THE WINDS WERE FROM THE WEST AT 5 KNOTS. DURING THE INITIAL CLIMB AT APPROXIMATELY 100 FEET AGL AND APPROXIMATELY 35 KNOTS AIRSPEED, A TOTAL LOSS OF POWER OCCURRED. THE PILOT INITIATED AN AUTOROTATION TO THE GRASS ABEAM A RUNWAY. DURING THE FLARE THE PILOT DID NOT MAINTAIN ADEQUATE ROTOR RPM AND THE HELICOPTER LANDED HARD, COLLAPSING THE SKID GEAR AND SEVERING THE TAIL BOOM. THE ENGINE WAS TEST RUN AT THE MANUFACTURER'S FACILITY WITH NO ANOMALIES NOTED. ADDITIONAL TESTS ON THE ENGINE'S RELATED SYSTEMS DID NOT REVEAL THE REASON FOR THE LOSS OF POWER.
Probable Cause: THE PILOT'S FAILURE TO MAINTAIN ADEQUATE ROTOR RPM DURING AUTOROTATION. FACTORS WERE THE TAILWIND AND THE POWER LOSS FOR UNDETERMINED REASONS.
Accident investigation:
 |
|
Sources:
NTSB FTW92LA199
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 18-Mar-2024 14:33 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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