# N945ME: 1991 Messerschmitt-Bolkow-Blohm BK 117 B-2

- Status: Valid registration
- Airframe: [Messerschmitt-Bolkow-Blohm BK 117 B-2](https://openairdocs.org/model/messerschmitt-bolkow-blohm-bk-117-b-2) (registry code 5626013, 7 seats)
- Engine: [Lycoming LTS-101 series](https://openairdocs.org/engine/lycoming-lts-101-series) (registry code 41560)
- Data sheets: [TCDS H13EU](https://openairdocs.org/tcds/H13EU) (Airbus Helicopters Deutschland GmbH (AHD)), [TCDS E5NE](https://openairdocs.org/tcds/E5NE) (Intermountain Turbine Services Inc.) (OpenAirDocs)
- Serial number: 7235
- Year built: 1991
- Type: Rotorcraft
- Engine type: Turbo-shaft
- Airworthiness: Standard, transport
- Airworthiness date: April 21, 1995
- Certificate issued: July 16, 2026
- Expires: July 31, 2033
- Mode S code: AD20D3
- Registered owner: [Rotorcraft Support Inc](https://openairdocs.org/faa-owner/ROTORCRAFT%20SUPPORT%20INC)
- Location: [Fillmore, CA](https://openairdocs.org/faa-place/CA/Fillmore)
- Owner type: Corporation
- Owner's area on the map: 34.4082° N, 118.8651° W: Placed by OpenAirDocs at the center of ZIP code 93015, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=945ME
- Page: https://openairdocs.org/aircraft/N945ME

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. The registry lists only the engine series, so ADs for every Lycoming LTS-101 model are included.

## ADs that may apply (OpenAirDocs): 24 in force

### Matched by airframe (Messerschmitt-Bolkow-Blohm BK 117 B-2)

None in force.

### Matched by engine (Lycoming LTS-101 series)

- [AD 2011-23-13](https://openairdocs.org/ad/2011-23-13): Power turbine governors (PTG) · Honeywell International LTS101-600A-2, LTS101-600A-3, LTS101-600A-3A and 1 more. Effective Nov 29, 2011
- [AD 2011-08-06](https://openairdocs.org/ad/2011-08-06): Power turbine rotors · Honeywell International LTP 101-600A-1A, LTP 101-700A-1A, LTS101-600A-2 and 10 more. Effective May 17, 2011
- [AD 2009-24-12](https://openairdocs.org/ad/2009-24-12): Gas generator · Honeywell International LTP 101-600A-1A, LTP 101-700A-1A, LTS101-600A-2 and 12 more. Effective Jan 4, 2010
- [AD 2002-03-09 R1](https://openairdocs.org/ad/2002-03-09-R1): Impellers · Honeywell International LTP 101-600, LTP 101-600A, LTP 101-600A-1A and 14 more. Effective Mar 27, 2002
- [AD 2001-25-04](https://openairdocs.org/ad/2001-25-04): Fuel Controls · Honeywell International LTP 101-600A-1A, LTP 101-700A-1A, LTS101-600A-2 and 1 more. Effective Jan 23, 2002
- [AD 2001-22-07](https://openairdocs.org/ad/2001-22-07): Rigid Tube Fuel Manifold Assemblies · Honeywell International LTP 101-600, LTP 101-600A, LTP 101-600A-1A and 14 more. Effective Nov 30, 2001
- [AD 2001-17-15](https://openairdocs.org/ad/2001-17-15): Engine Fuel Pumps · Honeywell International LTP 101-600A-1A, LTP 101-700A-1A, LTS101-600A-2 and 2 more. Effective Oct 1, 2001
- [AD 96-12-27](https://openairdocs.org/ad/96-12-27): Gas Generator Turbine Disk · Honeywell International LTP 101-600, LTP 101-600A, LTP 101-600A-1A and 21 more. Effective Aug 19, 1996
- [AD 96-12-05](https://openairdocs.org/ad/96-12-05): Turbine rotors · Honeywell International LTP 101-600, LTP 101-600A, LTP 101-600A-1A and 14 more. Effective Aug 12, 1996
- [AD 96-10-04](https://openairdocs.org/ad/96-10-04): Fuel control · Honeywell International LTS101-600A-2 and LTS101-600A-3. Effective Jun 13, 1996
- [AD 96-06-10](https://openairdocs.org/ad/96-06-10): Power turbine (PT) disk · Honeywell International LTS101-600A-2, LTS101-600A-3 and LTS101-750B-2. Effective May 28, 1996
- [AD 95-26-01](https://openairdocs.org/ad/95-26-01): Power Turbine · Honeywell International LTS101-650B-1, LTS101-650C, LTS101-750B-1 and 1 more. Effective Apr 22, 1996
- [AD 95-16-04](https://openairdocs.org/ad/95-16-04): Axial Compressor Rotors · Honeywell International LTP 101-600, LTP 101-600A, LTP 101-600A-1A and 21 more. Effective Oct 2, 1995
- [AD 95-08-14](https://openairdocs.org/ad/95-08-14): Electronic Overspeed Protection System · Honeywell International LTS101-650B-1, LTS101-650C-3, LTS101-650C-3A and 2 more. Effective May 9, 1995
- [AD 94-18-06](https://openairdocs.org/ad/94-18-06): Bearings · Honeywell International LTP 101-600, LTP 101-600A, LTP 101-600A-1A and 21 more. Effective Sep 26, 1994
- [AD 93-13-11](https://openairdocs.org/ad/93-13-11): Gas Generator Turbine Rotor Disk · Honeywell International LTP 101-600, LTP 101-600A, LTP 101-600A-1A and 22 more. Effective Nov 8, 1993
- [AD 92-15-07](https://openairdocs.org/ad/92-15-07): Integrally Cast Power Turbine (PT) Rotor Blade · Honeywell International LTP 101-600, LTP 101-600A, LTP 101-600A-1A and 21 more. Effective Sep 2, 1992
- [AD 88-14-01](https://openairdocs.org/ad/88-14-01): Power Turbine Disk · Honeywell International LTS101-600A, LTS101-600A-1, LTS101-600A-2 and 17 more. Effective Jul 6, 1988
- [AD 86-10-04](https://openairdocs.org/ad/86-10-04): Gas Producer (G.P.) Blade · Honeywell International LTP 101-600A-1A, LTP 101-700A-1A, LTS101-600A-2 and 11 more. Effective May 16, 1986
- [AD 84-02-07](https://openairdocs.org/ad/84-02-07): Output Gear Assembly and Torquemeter Gear Assembly · Honeywell International LTS101-600A-2. Effective May 7, 1984
- [AD 83-16-03](https://openairdocs.org/ad/83-16-03): Install Overspeed Limiter · Honeywell International LTS101-600A-2. Effective Aug 25, 1983
- [AD 79-06-06 R2](https://openairdocs.org/ad/79-06-06-R2): Lubrication System Contamination · Honeywell International LTP 101-600, LTP 101-600A, LTS101-600A and 3 more. Effective Jun 2, 1980
- [AD 79-20-03](https://openairdocs.org/ad/79-20-03): Fuel Control, Fuel Pump And Oil Pump Drive Gears · Honeywell International LTP 101-600, LTP 101-600A, LTP 101-600A-1A and 5 more. Effective Sep 26, 1979
- [AD 84-14-01](https://openairdocs.org/ad/84-14-01): T4 Indicator System Check · Honeywell International LTS101-600A-2

### Historical (superseded or no longer in force)

- [AD 95-09-02](https://openairdocs.org/ad/95-09-02) (historical): Fuel Pumps · Honeywell International LTP 101-600, LTP 101-600A, LTP 101-600A-1A and 12 more. Effective May 10, 1995

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N945ME.

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 19980616023109I](https://openairdocs.org/incident/19980616023109I), Jun 16, 1998: Bolkms BK117B2 (N945ME), Greenville, PA, Minor damage. Loud bang and shudder enroute. Saw sparks at rotor. Returned. Engine cowling seperated. Cowl not fastened.

## Service difficulty reports (44)

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

- [SDR BAQA094322](https://openairdocs.org/sdr/BAQA094322), Apr 29, 2004: BLADE. DAMAGED. UNABLE TO BALANCE BLADES AND PAINT IS STARTING TO PEEL.
- [SDR BAQA094293](https://openairdocs.org/sdr/BAQA094293), Apr 28, 2004: BEARING. WORN. BEARING WORN AND TEFLON MISSING IN BEARING. REPLACED WITH SERVICABLE ASSET UNIT. 04/29/2004
- [SDR BAQA094288](https://openairdocs.org/sdr/BAQA094288), Apr 28, 2004: ACTUATOR. LEAKING. ACTUATOR LEAKING AND BUSHINGS WORN. REPLACED WITH SERVICABLE UNIT. 04/29/2004
- [SDR BAQA093765](https://openairdocs.org/sdr/BAQA093765), Apr 21, 2004: CALIPER. WEAK. CALIPER IS WEAK, SPONGY AND LEAKING EXCESSIVELY. REPLACED WITH SERVICEABLE UNIT FROM AEC, 04/21/2004
- [SDR BAQA094207](https://openairdocs.org/sdr/BAQA094207), Apr 21, 2004: RADAR. FAILED. TRANSMITTER FAULT/PAINTS ON ONE SIDE/TX FLT/ANT FLT. REPLACED WITH SERVICEABLE UNIT, 04/22/2004
- [SDR BAQA094296](https://openairdocs.org/sdr/BAQA094296), Apr 19, 2004: BEARING. WORN. TAIL ROTOR DRIVE LINK BEARINGS WORN AND HAVE PLAY. REPLACED WITH SERVICABLE ASSET UNIT. 04/29/2004
- [SDR BAQA094295](https://openairdocs.org/sdr/BAQA094295), Apr 19, 2004: BEARING. WORN. BEARINGS WORN IN FORK LINK. REPLACED WITH SERVICABLE ASSET UNIT. 04/29/2004
- [SDR BAQA094294](https://openairdocs.org/sdr/BAQA094294), Apr 19, 2004: BEARING. WORN. BEARINGS WORN IN FORK LINK. REPLACED WITH SERVICABLE ASSET UNIT. 04/29/2004
- [SDR BAQA093191](https://openairdocs.org/sdr/BAQA093191), Apr 7, 2004: MODULE. LEAKING. UNIT LEAKING HYRO FLUID. HARDCARD ENCLOSED. REPLACED WITH SERVICABLE UNIT. 04/23/2004
- [SDR BAQA093768](https://openairdocs.org/sdr/BAQA093768), Mar 31, 2004: BEARING. WORN. BEARINGS PREMATURELY WORN. REPLACED WITH SERVICABLE UNIT FROM AEC, 04/23/2004
- [SDR BAQA093967](https://openairdocs.org/sdr/BAQA093967), Mar 29, 2004: LIGHT. INOPERATIVE. FACE WILL NOT ILLUMINATE. REPLACED WITH SERVICABLE UNIT. 04/05/2004
- [SDR BAQA093189](https://openairdocs.org/sdr/BAQA093189), Mar 19, 2004: INVERTER. UNSERVICEABLE. WARRANTY. UNIT DISPLAYS INVERTER LIGHT. REPLACED WITH SERVICABLE UNIT. 03/23/2004
- [SDR BAQA093663](https://openairdocs.org/sdr/BAQA093663), Feb 22, 2004: STARTER GEN. INOPERATIVE. UNIT INOP, WILL NOT COME ON LINE. HARDCARD ENCLOSED. REPLACED WITH SERVICABLE UNIT. 03/08/2004
- [SDR BAQA093188](https://openairdocs.org/sdr/BAQA093188), Feb 20, 2004: BEARING. WORN. BEARINGS PREMATURELY WORN. REPLACED WITH SERVICABLE PITCH LINKS. 03/12/2004
- [SDR BAQA091778](https://openairdocs.org/sdr/BAQA091778), Feb 19, 2004: PUMP. INTERMITTENT. PUMP HAS A INTERMITTENT FAIL LIGHT. REPLACED WITH SERVICABLE UNIT FROM AEC.
- [SDR BAQA092803](https://openairdocs.org/sdr/BAQA092803), Feb 12, 2004: INDICATOR. FLUCTUATES. TRIPLE TACH NR 2 ENG N2 GOES LOW. REPLACED WITH SERVICEABLE ASSET UNIT. 02/20/2004
- [SDR BAQA092756](https://openairdocs.org/sdr/BAQA092756), Jan 19, 2004: COMPUTER. INOPERATIVE. API LIGHT STAYS ON AND A/P WILL NOT TEST. REPLACED WITH SERVICABLE ASSET UNIT. 02/20/2004
- [SDR BAQA091780](https://openairdocs.org/sdr/BAQA091780), Jan 9, 2004: GYRO. INOPERATIVE. FLAG SHOWING ON DIRECTIONAL GYRO. INOPERATIVE. REPLACED WITH SERVICABLE UNIT.
- [SDR BAQA091475](https://openairdocs.org/sdr/BAQA091475), Dec 10, 2003: WINDOW. CRACKED. COCKPIT WINDOW IS CRACKED. REPLACED WITH SERVICABLE UNIT. 02/02/2004
- [SDR BAQA090673](https://openairdocs.org/sdr/BAQA090673), Dec 3, 2003: DRIVE LINK. WORN. DRIVE LINK HAS PLAY. REPLACED WITH SERVICEABLE UNIT. 12/3/03
- [SDR BAQA090674](https://openairdocs.org/sdr/BAQA090674), Dec 3, 2003: BEARING. WORN. FORK LINK BEARING HAS PLAY. REPLACED WITH SERVICEABLE UNIT.
- [SDR BAQA091367](https://openairdocs.org/sdr/BAQA091367), Nov 26, 2003: BEARING. WORN. TEFLON WORN IN BEARING. PART REPLACED WITH SERVICEABLE UNIT. 01/08/2004
- [SDR BAQA089451](https://openairdocs.org/sdr/BAQA089451), Nov 13, 2003: WIRE. DAMAGED. ROTOR TACH INTERMITTENT NR 1 TRANS PRESSURE. REPLACED WITH SERVICEABLE UNIT. 11/24/03
- [SDR BAQA089830](https://openairdocs.org/sdr/BAQA089830), Nov 13, 2003: INDICATOR. ERRATIC. INDICATOR WILL NOT GO FULL SCALE DEFLECTION, AND FLUCTUATES ERRATICALLY. REPLACED WITH SERVICEABLE UNIT. 11/18/03
- [SDR BAQA090343](https://openairdocs.org/sdr/BAQA090343), Oct 30, 2003: CLOCK. INOPERATIVE. CLOCK INOPERATIVE. REPLACED WITH SERVICEABLE UNIT.
- [SDR BAQA090342](https://openairdocs.org/sdr/BAQA090342), Oct 28, 2003: PITCH LINK. WORN. TAIL ROTOR PITCH LINK WORN. REPLACED WITH SERVICEABLE UNIT.
- [SDR BAQA090606](https://openairdocs.org/sdr/BAQA090606), Oct 28, 2003: COMPASS. MALFUNCTIONED. COMPASS LIGHT WILL NOT WORK. REPLACED WITH SERVICEABLE ASSET.
- [SDR BAQA090604](https://openairdocs.org/sdr/BAQA090604), Oct 28, 2003: INDICATOR. FLUCTUATES. N1 INDICATOR FLUCTUATES. REPLACED WITH SERVICEABLE ASSET.
- [SDR BAQA090300](https://openairdocs.org/sdr/BAQA090300), Oct 27, 2003: DISPLAY. INOPERATIVE. VOR TRANSCEIVER DISPLAY INOPERATIVE. REPLACED WITH SERVICEABLE UNIT.
- [SDR BAQA089814](https://openairdocs.org/sdr/BAQA089814), Oct 7, 2003: TRANSDUCER. FLUCTUATES. ENGINE NR 2 TORQUE FLUCTUATIONS. REPLACED WITH SERVICEABLE UNIT.
- [SDR BAQA089027](https://openairdocs.org/sdr/BAQA089027), Sep 8, 2003: GYRO. MALFUNCTIONED. ATTITUDE INDICATOR DRIFTS 15 (+/-) DEGREES IN LEVEL FLIGHT. REPLACED WITH SERVICEABLE UNIT.
- [SDR BAQA088826](https://openairdocs.org/sdr/BAQA088826), Sep 2, 2003: INDICATOR. ERRATIC. N1 INDICATOR GIVING ERRATIC INDICATIONS. REPLACED WITH SERVICEABLE UNIT.
- [SDR BAQA088792](https://openairdocs.org/sdr/BAQA088792), Sep 2, 2003: TRANSMITTER. FAILED. PRESSURE TRANSMITTER GIVING NO INDICATION TO GUAGE. REPLACED WITH SERVICEABLE UNIT.
- [SDR BAQA088337](https://openairdocs.org/sdr/BAQA088337), Aug 5, 2003: GYRO. MALFUNCTIONED. GYRO UNIT CAUSES API AND RATE GYRO CAUTION LIGHT. REPLACED WITH SERVICEABLE UNIT.
- [SDR BAQA086803](https://openairdocs.org/sdr/BAQA086803), Jul 1, 2003: TRANSDUCER. ERRATIC. PRESSURE ERRATIC. REPLACED WITH SERVICEABLE UNIT.
- [SDR BAQA084080](https://openairdocs.org/sdr/BAQA084080), Feb 4, 2003: STUD. LOOSE. STUD ON GEARBOX MOUNT IS WORKING LOOSE. REPLACED WITH SERVICEABLE UNIT.
- [SDR BAQA084034](https://openairdocs.org/sdr/BAQA084034), Jan 27, 2003: FIREWALL. CRACKED. FIREWALL CRACKED ON LOWER CORNER. REPLACED WITH SERVICEABLE UNIT.
- [SDR BAQA084020](https://openairdocs.org/sdr/BAQA084020), Jan 22, 2003: CONTROL ROD. WORN. BEARINGS WORN. REPLACED WITH SERVICEABLE ROD.
- [SDR BAQA082903](https://openairdocs.org/sdr/BAQA082903), Jan 8, 2003: ROTOR SHAFT. BENT. TAIL ROTOR SHAFT BENT. WILL NOT BALANCE ON AIRCRAFT. BUSHING MISSING. REPLACED WITH SERVICEABLE UNIT.
- [SDR BAQA081592](https://openairdocs.org/sdr/BAQA081592), Dec 6, 2002: RECEIVER. INTERMITTENT. ADF RECEIVER DISPLAY IS INTERMITTENT. REPLACED WITH SERVICEABLE UNIT.
- [SDR BAQA081240](https://openairdocs.org/sdr/BAQA081240), Nov 11, 2002: HINGE. WORN. PRESSURE BULKHEAD. HOLES ARE WORN. REPLACED WITH SERVICEABLE HINGE.
- [SDR BAQA081239](https://openairdocs.org/sdr/BAQA081239), Nov 11, 2002: HINGE. WORN. PRESSURE BULKHEAD. HOLES ARE WORN. REPLACED WITH SERVICEABLE HINGE.
- [SDR BAQA081176](https://openairdocs.org/sdr/BAQA081176), Oct 22, 2002: GUIDE. WORN. GUIDES WORN. INSTALLED SERVICEABLE UNIT.
- [SDR 95ZZZX2936](https://openairdocs.org/sdr/95ZZZX2936), Jun 7, 1995: WINDOW. DEPARTED. RIGHT SLIDING WINDOW (PILOT'S DOOR) DEPARTED AIRCRAFT. PILOT REPORTED THE AIR TURBULENCE REMOVED THE WINDOW FROM ITS TRACKS. AIRCRAFT WAS GROUNDED UNTIL A REPLA

## STCs that may be installed (OpenAirDocs) (1)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the engine (Lycoming LTS-101 series)

- [STC SE934GL](https://openairdocs.org/stc/SE934GL): Installation of a fuel flow tranducer. Shadin Avionics. Lists LTS101-650B-1

## Related

- Other Messerschmitt-Bolkow-Blohm BK 117 B-2 aircraft: https://openairdocs.org/model/messerschmitt-bolkow-blohm-bk-117-b-2/aircraft.md
- The Lycoming LTS-101 series engine: https://openairdocs.org/engine/lycoming-lts-101-series.md

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