# N250KF: 1989 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: [Honeywell LTS101-750B-1](https://openairdocs.org/engine/honeywell-lts101-750b-1) (registry code 33826) - 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: 7211 - Year built: 1989 - Type: Rotorcraft - Engine type: Turbo-shaft - Airworthiness: Standard, transport - Airworthiness date: January 26, 2012 - Certificate issued: March 11, 2014 - Expires: March 31, 2030 - Mode S code: A25865 - 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=250KF - Page: https://openairdocs.org/aircraft/N250KF 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. ## ADs that may apply (OpenAirDocs): 13 in force ### Matched by airframe (Messerschmitt-Bolkow-Blohm BK 117 B-2) None in force. ### Matched by engine (Honeywell LTS101-750B-1) - [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 2001-22-07](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 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 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 ### 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 N250KF. ## FAA accident and incident reports None matched to N250KF. ## Service difficulty reports (2) 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 QMLA2021101120051](https://openairdocs.org/sdr/QMLA2021101120051), Sep 20, 2021: TAIL BOOM. CRACKED. FOUND 16MM CRACK IN L/H SIDE OF TAIL ROTOR GEARBOX MOUNTING ACCESS HOLE ON TAILBOOM VERTCAL FIN - [SDR QMLA2013062513083](https://openairdocs.org/sdr/QMLA2013062513083), Jun 25, 2013: UNKNOWN. ODOR. PILOT REPORTED FUEL ODOR IN COCKPIT AND CABIN TWO MINUTES AFTER TAKEOFF, LANDED AND CONTACTED MX. MX VISUALLY INSPECTED ACFT NO DEFECTS WERE NOTED. ACFT WAS REF ## 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 (Honeywell LTS101-750B-1) - [STC SE934GL](https://openairdocs.org/stc/SE934GL): Installation of a fuel flow tranducer. Shadin Avionics ## Related - Other Messerschmitt-Bolkow-Blohm BK 117 B-2 aircraft: https://openairdocs.org/model/messerschmitt-bolkow-blohm-bk-117-b-2/aircraft.md - The Honeywell LTS101-750B-1 engine: https://openairdocs.org/engine/honeywell-lts101-750b-1.md --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.