INTERMOUNTAIN HELICOPTER INC
Also recorded as: INTERMOUNTAIN HELICOPTER INC, INTERMOUNTAIN HELICOPTERS, INC.
Accident & enforcement record
Events that happened, regardless of the operator's own reporting. Each links to its public source.
NTSB accidents & incidents
No NTSB accidents or incidents linked to this operator.
FAA enforcement actions
FAA enforcement records haven't been loaded into GroundCheck yet, so none can be shown — a gap in our data, not evidence of a clean enforcement history.
Maintenance disclosure history
Service Difficulty Reports are self-reported maintenance findings. The NUMBER of reports is not a measure of reliability — diligent operators file more, not fewer. These are shown for transparency, not as a negative signal.
1 report on file.
PRE-FLIGHT INSP FND XMSN FLUID FULL. AFTER START AND SPOOL UP THRU 70 PERCENT NR, PILOT NOTICED XMSN CHIPS LIGHT. PILOT SHUT DOWN, FND FUZZ AND FERROUS FLAKES ON CHIP PLUGS. CLEANED AND RE-INSTALLED. UPON RE-START, XMSN CHIPS LIGHT. FLUID LEVEL FOUND AT ADD MARK. INVEST REVEALED M/R XMSN SCAVENGE PUMP P/N 269A5266E HAD DECOUPLED DUE TO PUMP INPUT SHAFT P/N 11176 AND DRIVE ADAPTER P/N 3690251215 STRIPPING. PUMP COVER RETAINER PIN P/N MS16555-601 WAS SHEARED AS WAS DRIVE KEY P/N MS20068-49. NO DEBRIS FND JAMMING PUMP ASSY. PRIOR TO INCIDENT, NO DEBRIS FND ON CHIP PLUGS OR XMSN OIL FILTER DURING MX. PUMP INPUT SHAFT AND/OR DRIVE PLUG ADAPTER POSSIBLY IMPROPER HEAT TREATMENT (HARDNESS). 945.4 HRS TO TBO.
Linked aircraft
| N-number | Make / model | Year | Status | Link basis |
|---|---|---|---|---|
| N9122Z | BELL 212 | 1975 | Valid Registration | Matched by certificate designator |