# N64UP: 1988 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: 7143
- Year built: 1988
- Type: Rotorcraft
- Engine type: Turbo-shaft
- Airworthiness: Standard, transport
- Airworthiness date: July 5, 2010
- Certificate issued: July 30, 2008
- Expires: October 31, 2027
- Mode S code: A864B2
- Registered owner: [Air Methods LLC](https://openairdocs.org/faa-owner/AIR%20METHODS%20LLC)
- Location: [Greenwood Village, CO](https://openairdocs.org/faa-place/CO/Greenwood%20Village)
- Owner type: LLC
- Owner's area on the map: 39.6120° N, 104.8828° W: Placed by OpenAirDocs at the center of ZIP code 80111, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=64UP
- Page: https://openairdocs.org/aircraft/N64UP

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 N64UP.

## FAA accident and incident reports

None matched to N64UP.

## Service difficulty reports (8)

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 QMLA2026100520075](https://openairdocs.org/sdr/QMLA2026100520075), Oct 4, 2026: FUEL CAP. LOOSE. FUEL ODOR CLIMBING OUT OF AIRPORT. AFTER AN IMMEDIATE RETURN TO THE AIRPORT THE IT WAS CONFIRMED THAT THE FUEL CAP WAS SECURELY LOCKED, HOWEVER FUEL WAS VISIBLE
- [SDR QMLA2024042520042](https://openairdocs.org/sdr/QMLA2024042520042), Apr 25, 2024: FUEL CAP. LOOSE. DURING TAKEOFF AND CLIMB, CREW NOTICED A FUEL SMELL AS WELL AS FUEL ON THE CLAMSHELL DOOR WINDOWS AND TAILBOOM SECTION. AIRCRAFT RETURNED TO THE AIRPORT FOR FUR
- [SDR QMLA2024022520042](https://openairdocs.org/sdr/QMLA2024022520042), Apr 25, 2024: UNKNOWN. ODOR. DURING TAKEOFF AND CLIMB, CREW NOTICED A FUEL SMELL AS WELL AS FUEL ON THE CLAMSHELL DOOR WINDOWS AND TAIL BOOM SECTION. AIRCRAFT RETURNED TO THE AIRPORT FOR FU
- [SDR QMLA2017091817094](https://openairdocs.org/sdr/QMLA2017091817094), Sep 18, 2017: ENGINE. MAKING METAL. DURING CRUISE FLIGHT, THE NR 2 ENGINE CHIP LIGHT ILLUMINATED ALONG WITH MASTER CAUTION LIGHT. ATTEMPTED TO BURN CHIP IAW RFM AND CHIP DID NOT BURN. ABORTED FLIG
- [SDR QMLA2016120616138](https://openairdocs.org/sdr/QMLA2016120616138), Dec 6, 2016: GEARBOX. MAKING METAL. DURING RUN UP OF AIRCRAFT FOR A FLIGHT, TAIL ROTOR CHIP LIGHT ILLUMINATED. PILOT ABORTED TAKEOFF AND CALLED MECHANIC. MECHANICS INSPECTION OF TAIL ROTOR CHIP DE
- [SDR QMLA201602216009](https://openairdocs.org/sdr/QMLA201602216009), Feb 22, 2016: DRAIN VALVE. FAILED. AFTER TAKEOFF, NURSE IN THE BACK THOUGHT SHE SMELLED FUEL FUMES. LANDED AT NEAREST AVAILABLE SITE, AIRPORT, WITHOUT FURTHER INCIDENT..
- [SDR QMLA2015082715078](https://openairdocs.org/sdr/QMLA2015082715078), Aug 27, 2015: SUPPORT. CRACKED. WHILE COMPLETING TASK 26A0337-35, 12 MONTH TAIL CONE, WORN SKIN REPAIR, FOUND A CRACK ON THE FWD ECU MOUNT'S FWD SUPPORT. THE CRACK STARTS AT THE TOP OF THE SUP
- [SDR QMLA2014080214097](https://openairdocs.org/sdr/QMLA2014080214097), Aug 2, 2014: STRUT. DAMAGED. DURING A SCHEDULED INSPECTION OF THE COMPRESSOR BLADES, AN INLET HOUSING STRUT ON THE INTAKE WAS FOUND TO HAVE A SMALL CHUNK OF METAL MISSING FROM THE TOP & BOT

## 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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