ASN Wikibase Occurrence # 361858
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| Date: | Tuesday 15 June 1993 |
| Time: | 14:50 LT |
| Type: |  Hughes 369HS |
| Owner/operator: | Magic Helicopters, Inc. |
| Registration: | N500RT |
| MSN: | 8901075 |
| Total airframe hrs: | 2627 hours |
| Engine model: | Allison 250-C20 |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Orlando, FL -
 United States of America
|
| Phase: | En route |
| Nature: | Unknown |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
DURING CRUISE FLIGHT, THE ENGINE EXPERIENCED A PARTIAL LOSS OF POWER. DURING THE DESCENT FOR A PRECUATIONARY LANDING, THE ENGINE EXPEREINCED A TOTAL LOSS OF POWER. THE PILOT INITIATED AN EXAGGERATED DECELERATION MANEUVER DUE TO UNSUITABLE TERRAIN ENCOUNTERED DURING THE AUTOROTATIVE FORCED LANDING. EXAMINATION OF THE ENGINE REVEALED THAT THE NO. 2 BEARING FAILED DUE TO UNDETERMINED REASONS ALLOWING THE COMPRESSOR IMPELLER TO CONTACT THE COMPRESSOR SHROUD. THE FAILED BEARING MATERIAL WAS FOUND ON BOTH MAGNETIC PLUGS LOCATED IN THE GEARBOX. THERE WAS NO EVIDENCE OF OIL STARVATION TO THE BEARING AND IT WAS NOTED THAT THE BEARING WAS MANUFACTURED FROM CORRECT MATERIAL.
Probable Cause: UNSUITABLE TERRAIN ENCOUNTERED DURING THE AUTOROTATIVE FORCED LANDING. CONTRIBUTING TO THE ACCIDENT WAS TOTAL LOSS OF ENGINE POWER DUE TO SEIZURE OF THE COMPRESSOR IMPELLER FOLLOWING FAILURE OF THE NO.2 BEARING FOR UNDETERMINED REASONS.
Accident investigation:
 |
|
Sources:
NTSB MIA93LA143
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 17-Mar-2024 08:26 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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