ASN Wikibase Occurrence # 363395
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| Date: | Sunday 28 June 1992 |
| Time: | 13:25 LT |
| Type: |  Bell 222UT |
| Owner/operator: | Air Methods Corporation |
| Registration: | N222UH |
| MSN: | 47545 |
| Year of manufacture: | 1985 |
| Total airframe hrs: | 3575 hours |
| Engine model: | LYCOMING LTS-101-750C1 |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Minor |
| Category: | Serious incident |
| Location: | Scipio, UT -
 United States of America
|
| Phase: | Unknown |
| Nature: | Private |
| Departure airport: | Provo, UT (KPVU) |
| Panguitch, UT | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE EMS HELICOPTER ENCOUNTERED CLEAR AIR TURBULENCE WHILE EN ROUTE TO PICK UP A PATIENT. DURING THE EVENT, THE NOSE PITCHED UP RAPIDLY TO ABOUT 20 DEGREES, ACTIVATING THE ELT. THE PILOT FELT FEEDBACK THROUGH THE CONTROLS AND LANDED TO RESET THE ELT. LATER, THE PILOT NOTED MAST TORQUE FLUCTUATIONS FOLLOWED BY A ZERO READING ON THE GAUGE. POSTFLIGHT INSPECTION DISCLOSED THE TRANSMISSION HAD CONTACTED ITS MOUNTS, SEVERING SEVERAL ELECTRICAL LEADS INCLUDING THE TORQUE SENSOR. A CRACK WAS ALSO DISCOVERED ABOUT 2 1/2 FEET OUTBOARD OF THE MAIN BLADE GRIP, PROPAGATING BACK FROM THE BLADE LEADING EDGE.
Probable Cause: AN ENCOUNTER WITH CLEAR AIR TURBULENCE.
Accident investigation:
 |
|
Sources:
NTSB DEN92IA067
History of this aircraft
Other occurrences involving this aircraft
| 11 January 1998 | N222UH | Air Methods Corporation | 4 | near Sandy, UT | |
w/o |
| 12 January 1998 | N222UH | Air Methods | Sandy, UT | |
w/o |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 18-Mar-2024 16:50 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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