Exec Air Montana Inc.
Also recorded as: EXEC AIR MONTANA LLC, Exec Air Montana Inc., MMT, MONTANA MEDICAL TRANSPORT
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. To verify a report, search its control number at the FAA SDRS site.
8 reports on file.
Part: BLADE — LEAKING (PROPELLER)
PROP WAS OBSERVED TO BE LEAKING GREASE FROM TWO BLADE SHANK AREAS. SPINNER WAS REMOVED FOR INSP AND ALL 3 BLADES APPEAR TO BE LEAKING GREASE. ONE BLADE WAS OBSERVED TO HAVE EXCESSIVE BLADE SHANK MOVEMENT BEYOND ALLOWABLE LIMITS. WHEN BLADES WERE CHECK FOR BLADE TWIST ONE BLADE EXHIBITED AN EXCESS AMOUNT OF ROTATIONAL MOVEMENT. PROPS WERE REMOVED FOR INSP AND REPAIR AFTER AN INITIAL INSP BY A BY MFG SERVICE CENTER. LT PROP HAD A TOTAL OF 472.5 HOURS SINCE OVERHAUL.
Part: BLADE — DAMAGED (PROPELLER)
PROP WAS OBSERVED TO BE LEAKING GREASE FROM 2 BLADE SHANK AREAS. SPINNER WAS REMOVED FOR INSP AND ALL 3 BLADES APPEAR TO BE LEAKING GREASE. 1 BLADE WAS OBSERVED TO HAVE EXCESSIVE BLADE SHANK MOVEMENT BEYOND ALLOWABLE LIMITS. WHEN BLADES WERE CHECK FOR BLADE TWIST 1 BLADE EXHIBITED AN EXCESS AMOUNT OF ROTATIONAL MOVEMENT. PROPS WERE REMOVED FOR INSP AND REPAIR AFTER AN INITIAL INSP BY A BY MFG SERVICE CTR. RT PROP HAD A TOTAL OF 472.5 HOURS SINCE OVERHAUL.
Part: INDICATOR — INOPERATIVE (PITCH TRIM)
PITCH TRIM INDICATOR INOPERATIVE, OPEN FROM RHEOSTAT ON STAB JACK ACTUATOR. INSPECTION AND OVERHAULED EVERY 600 HOURS.
Part: ACTUATOR — FAILED (HORIZONTAL STAB)
STAB ACTUATOR BAD FROM STOCK. DAMAGED ANOTHER COMPONENT. NOT THE FIRST TIME. PITCH TRIM WOULD FAIL IN PRIMARY MODE AFTER OVERHAULED UNIT WAS INSTALLED.
Part: BRACKET — CRACKED (FUSELAGE)
NOSE ROLLER ATTACH BRACKETS INBOARD AND OUTBOARD ON LEFT AND RIGHT FLAPS CRACKED.
Part: CRANKSHAFT — BROKEN (RIGHT ENGINE)
RIGHT ENGINE CRANKSHAFT BROKE IN CRUISE FLIGHT 15,000 FEET, 31 FEET MP, 2,300 RPM, NR 1 PISTON NOT MOVING WHEN PROPELLER IS TURNED. NR 5 CYLINDER, NO COMPRESSION. METAL FOUND IN OIL FILTER AND GOVERNOR GASKET SCREEN. (X)
Part: CRANKSHAFT — BROKEN (RIGHT ENGINE)
RIGHT ENGINE CRANKSHAFT BROKE IN CRUISE FLIGHT 15,000 FEET, 2,300 RPM. NR 1 PISTON NOT MOVING WHEN PROPELLER IS TURNED. NR 5 CYLINDER, NO COMPRESSION. METAL FOUND IN OIL FILTER AND GOVERNOR GASKET SCREEN. (X)
Part: TORQUE TUBE — WELD BROKEN (LT MLG)
LEFT MAIN GEAR WOULD NOT RETRACT AFTER TAKEOFF. PILOT EXTENDED GEAR AND RETURNED TO AIRPORT. INSPECTED LT GEAR RETRACTION LINKAGE, AND FOUND AFT FORK ASSY WELD BROKEN AND TUBE WITH SPIRAL TEAR. SUBMITTER SUGGESTS FATIGUE TO WELDED AREA, WEAKENING SURROUNDED AREA. AREA SHOULD BE INSPECTED AT EACH INSPECTION.
Linked aircraft
| N-number | Make / model | Year | Status | Link basis |
|---|---|---|---|---|
| N1920E | CESSNA 340A | 1979 | Valid Registration | Matched by certificate designator |
| N421JS | CESSNA 421C | 1975 | Valid Registration | Matched by certificate designator |
| N4403A | CESSNA 340A | 1980 | Valid Registration | Matched by certificate designator |
| N46AE | RAYTHEON AIRCRAFT COMPANY C90A | 1999 | Valid Registration | Matched by certificate designator |
| N902DB | BEECH C90A | 1989 | Valid Registration | Matched by certificate designator |
| N90WA | LEARJET INC 31 | 1990 | Valid Registration | Matched by certificate designator |