N145GT
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| CONQUEST AIR, INC. (Q9UA) | Operator | 2019-02-08 – 2019-02-08 | Operator named in NTSB report |
Accident & incident history
Maintenance disclosures
FLIGHT CREW INABILITY TO ADJUST RPM INFLIGHT VIA PROPELLER SPEED CONTROL. PROPELLER SPEED CONTROL COULD BE ADJUSTED ON THE GROUND DURING RUN UP.
NR 1 PROPELLER GOVERNOR WAS SLOW TO RESPOND WITH TOGGLE SWITCH, AFTER TAKEOFF.
DURING CLIMB THE NUMBER 2 ENGINE BEGAN MAKING A POPPING NOISE AND THE MANIFOLD AND BMEP READINGS WERE WIDLY FLUCTUATING. THE CREW NOTICED A SLIGHT DROP IN THE ENGINE OIL LEVEL ON THE NUMBER TWO ENGINE. THE CREW ELECTED TO PREFORM A PRECAUTIONARY ENGINE SHUT DOWN ON THE NUMBER TWO ENGINE. UPON INSPECTION OF THE ENGINE, THE MAINTENANCE CREW DICOVERED THE NUMBER ONE CYLINDER WAS CRACKED. THIS CAUSED A SLIGHT LOSS OF POWER AND SLIGHT LOSS OF ENGINE OIL.
PROPELLER GOVERNOR WOULD NOT DECREASE BELOW 2500 RPM. AFTER REACHING CRUISE ALTITUDE, CREW WAS UNABLE TO DECREASE THE ENGINE RPM BELOW 2500. SHORTLY THEREAFTER THE RPM BEGAN TO GRADUALLY INCREASE ON ITS OWN. ENGINE WAS FEATHERED TO PREVENT PROPELLER OVERSPEED. THE NR 1 PROPELLER GOVERNOR FAILED TO CONTROL. WE WILL SEND THE PROPELLER GOVERNOR TO O/H AND REVIEW THE TEARDOWN REPORT. IF ANY ABNORMALLY IS REPORTED WE WILL FORWARD THIS INFORMATION TO FAA.
PROPELLER GOVERNOR WOULD NOT DECREASE BELOW 2500 RPM. AFTER REACHING CRUISE ALTITUDE, THE CREW WAS UNABLE TO DECREASE THE ENGINE RPM BELOW 2500 RPM. SHORTLY THEREAFTER THE RPM BEGAN TO INCREASE ON ITS OWN. ENGINE WAS FEATHERED TO PREVENT PROPELLER OVERSPEED. THE NR 1 PROPELLER GOVERNOR FAILED TO CONTROL, WE WILL SEND THE PROPELLER GOVERNOR TO O/H AND REVIEW THE TEAR DOWN REPORT. IF ANY ABNORMALITY IS REPORTED WE WILL FORWARD THIS INFORMATION TO THE FAA.
AFTER TAKEOFF, CLIMBING THROUGH 2,200 FT CREW NOTICED OIL TEMPERATURE RISING AND OIL PRESSURE DECREASING. ENGINE SHUTDOWN/FEATHERED, RETURNED TO AIRPORT. INSPECTION REVEALED BEARING MATERIAL IN OIL SCREENS. ENGINE REMOVED FROM SERVICE FOR REPAIRS.