Location
Houston, TX
Owner type
Corporation
Serial number
9161
Year built
2008
Type
Rotorcraft
Engine
Turbo-shaft
Airworthiness
Standard, transport
Airworthiness date
July 15, 2008
Certificate issued
March 6, 2018
Expires
March 31, 2028
Mode S code
A585CA

From the FAA registry file of October 24, 2026.

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Airworthiness directives that may apply · 72

Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.

2003In forceSuperseded2026
ADs by the year they took effect: 87 ADs
20033
20072
20081
20092
20102
20112
20124
201312
20147
20152
20167
20177
20181
20196
20201
20217
20229
20232
20242
20253
20265
See all 88 ADs

Information bulletins that may apply · 3

Advisory, not mandatory.

NTSB investigations · 1

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

FAA incident reports · 1

FAA accident and incident reports matched to this aircraft by N-number and event date, checked against the reported make and model.

Service difficulty reports · 7

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

SDR GVNA20250528001Fuel Control · inoperativeWHEN CLIMBING OUT FROM A HELIPAD TO A HIGH HOVER AT HIGH POWER SETTINGS, THE #1 ENGINE DROPPED OFFLINE CAUSING A LARGE TORQUE SPLIT WITH THE #2 ENGINE GOING UP TO MAX OEI TORQUE FOR ABOUT 10 SECONDS WHILE THE PILOT LANDED. THE #1 ENGINE DID NOT RESPOND TO TRIMay 20, 2025 · N455MH · Bolkms BK117C2 · Engine Fuel and ControlSDR 2024FA0000135Oil Cooler · sheared#2 ENG OIL COOLER, SUSPECTED SHAFT BROKEN. REPORTED #2 ENG OIL TEMP FLUCTUATION. INSP REVEALED #2 ENG OIL COOLER SHAFT SHEARED. REM'D #2 OIL COOLER FAN ASSY. INSTALLED SERVICEABLE FAN ASSY, P/N SAME. PERFORMED GROUND RUN/LEAK CHK W/NO ANOMALIES. ACFT RETURNED Feb 6, 2024 · N455MH · Bolkms BK117C2 · Main Rotor GearboxSDR 2024F00026Pressure Switch · failedON ENG STARTUP, #2 ENG, LOW FUEL PRESS LIGHT ILLUMINATED. REM'D #2 ENG LOW FUEL PRESS SWITCH. INSTALLED NEW PRESSURE SWITCH. PERFORMED GROUND RUN. FUNCTION CHK'D GOOD.Jan 21, 2024 · N455MH · Bolkms BK117C2 · Fuel Indicating SystemSDR 2023F00231Drain Valve · leakingMEDICAL CREW REPORTED A FUEL SMELL IN THE CABIN AND PILOT LANDED AT THE NEAREST AIRPORT. MECHANIC FOUND THE #2 ENGINE START DRAIN VALVE LEAKING WHEN THE PRIME PUMP WAS ACTIVATED. FUEL DRAINED FROM THE ENGINE DECK DRAIN TUBE AND BLEW AROUND THE LOWER CLAMSHELJul 18, 2023 · N455MH · Bolkms BK117C2 · Engine (Turbine/Turboprop)SDR 2022FA0000724Drain Valve · vaporDURING CRUISE FLIGHT, MEDCREW REPORTED FUEL SMELL, ENTERING CABIN AREA. SUSPECT FUEL LEAKAGE VENTING, AND RESIDUAL SMELL INADVERTENTLY VENTING INTO CABIN AREA. REM'D #2 START DRAIN VALVE ASSY. INSTALLED SERVICEABLE START DRAIN VALVE ASSY. NO OTHER DEFECTS NOTENov 19, 2022 · N455MH · Bolkms BK117C2 · Aircraft Fuel Distribution SystemSDR 2021F00358Tee Fitting · blocked#2 ENG OIL PRESS ILLUMINATED DURING FLIGHT. DIVERT TO LOCAL AIRPORT(KSGR), FOR PRECAUTIONARY LANDING. UNEVENTFUL AND SAFE LANDING. UPON FURTHER INSP, FOUND "T" FITTING ON ENG, CLOGGED. REPLACED "T" FITTING, AND START DRAIN VALVE, AS REQUIRED. PERFORMED SEVERALDec 19, 2021 · N455MH · Bolkms BK117C2 · Engine Oil Indicating SystemSDR 2022F00008Vent Line · clogged#2 ENG OIL PRESSURE FLUCTUATED IN FLIGHT INTO CAUTION RANGE, AND INTO NORMAL RANGE. AFTER TROUBLESHOOTING, FOUND OIL TANK EMPTY. FOUND CLOGGED VENT LINE, WHICH ALLOWED OIL TO BE SIPHONED OUT DURING OPERATION. CLEANED P2 AIR LINE AND T FITTING. CLEANED BLEED VANov 22, 2021 · N455MH · Bolkms BK117C2 · Powerplant System

STCs that may be installed · 111

Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.

See all 111 STCs