# N122SL: 1989 Messerschmitt-Bolkow-Blohm BK 117 B-2, registration cancelled 2018-05-10

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 10, 2018
- Status when cancelled: Valid registration
- Airframe: [Messerschmitt-Bolkow-Blohm BK 117 B-2](https://openairdocs.org/model/messerschmitt-bolkow-blohm-bk-117-b-2) (registry code 5626013)
- 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), [TCDS E5NE](https://openairdocs.org/tcds/E5NE) (OpenAirDocs)
- Serial number: 7207
- Year built: 1989
- Type of aircraft: Rotorcraft
- Engine type: Turbo-shaft
- Airworthiness: Standard, transport
- Airworthiness date: September 29, 2003
- Certificate issued: May 13, 2010
- Last registry action: January 3, 2018
- Mode S code: A05CBB
- Owner when cancelled: [Air Methods Corp](https://openairdocs.org/faa-owner/AIR%20METHODS%20CORP)
- Location: [Greenwood Village, CO](https://openairdocs.org/faa-place/CO/Greenwood%20Village)
- Owner type: Corporation
- 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 was based
- The mark today: https://openairdocs.org/aircraft/N122SL
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=122SL
- Page: https://openairdocs.org/deregistered/N122SL-2018-05-10

From the FAA registry file of October 29, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Messerschmitt-Bolkow-Blohm BK 117 B-2: https://openairdocs.org/model/messerschmitt-bolkow-blohm-bk-117-b-2.md

## Service difficulty reports (9)

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

- [SDR QMLA2012071712119](https://openairdocs.org/sdr/QMLA2012071712119), Jul 17, 2012: CAP. UNSECURE. DURING TAKEOFF THERE WAS A NOTICABLE FUEL ODOR COMING FROM THE AIRCRAFT. ABORTED FLIGHT AND LANDED BACK AT HOME BASE. CALLED IN MECHANIC AND AFTER INSPECTING FU
- [SDR QMLA20111014001](https://openairdocs.org/sdr/QMLA20111014001), Oct 14, 2011: ATTACH FITTING. CORRODED. DURING 1800 HR INSP NOTICED CORROSION AROUND PATCH AT THE FLUX VALVE MOUNT, REMOVED PATCH AND DISCOVERED HEAVIER CORROSION.
- [SDR QMLA20111010002](https://openairdocs.org/sdr/QMLA20111010002), Oct 10, 2011: PANEL. CORRODED. CORROSION FOUND COMING FROM UNDER PROTECTIVE PLATE ON EXTERIOR OF PANEL ASSY. (LT ENGINE DOOR) PANEL WAS REMOVED AND SENT TO VENDOR FOR REPAIR.
- [SDR QMLA20111010001](https://openairdocs.org/sdr/QMLA20111010001), Oct 10, 2011: PANEL. CORRODED. CORROSION FOUND COMING FROM UNDER PROTECTIVE PLATE ON EXTERIOR OF PANEL ASSEMBLY (R/H ENGINE DOOR) PANEL WAS REMOVED AND SENT TO VENDOR FOR REPAIR.
- [SDR QMLA2010F00116](https://openairdocs.org/sdr/QMLA2010F00116), Feb 22, 2010: FRAME. CRACKED. 3 SPIDER CRACKS FOUND STARTING AT A RIVET HOLE UNDER TAIL COWLING BRACKET ON 11L FRAME.
- [SDR QMLA2009022309007](https://openairdocs.org/sdr/QMLA2009022309007), Feb 23, 2009: ENGINE. MAKING METAL. WHILE IN CRUISE FLIGHT PILOT HEARD AND FELT COMPRESSOR STALL FOLLOWED BY YAWING OF ACFT DURING THIS TIME NR2 ENGINE FLAMED OUT, ENGINE HAD 1143.1 HRS SINCE 1800
- [SDR 122110406](https://openairdocs.org/sdr/122110406), Nov 4, 2006: FAN. MALFUNCTIONED. UPON LANDING A STRONG ELECTRICAL WIRE BURNING SMELL WAS DETECTED. SUSPECT AVIONICS COOLING FAN MALFUNCTIONED AND CAUSED ODOR, REPLACED COOLING FAN.
- [SDR A1UA122101506](https://openairdocs.org/sdr/A1UA122101506), Oct 15, 2006: WIRE. BROKEN. BROKEN WIRE TERMINAL AT THE WINDSHIELD WIPER CIRCUIT BREAKER, LOOSE WIRE CONTACTING (CENTER COUNSEL LIGHT CIRCUIT BREAKER), CAUSING ARCHING AND SMELL.
- [SDR 99ZZZX1926](https://openairdocs.org/sdr/99ZZZX1926), Apr 26, 1999: FRAME. CRACKED. FOUND CRACK IN FRAME 10L DURING ROUTINE INSPECTIONS. CONTACTED AMERICAN EUROCOPTER. TECH REP CAME TO ST LOUS, AND REMOVED AND REPLACED FRAME 10L.

## FAA accident and incident reports (2)

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 20111001023839I](https://openairdocs.org/incident/20111001023839I), Oct 1, 2011: Messerschmitt-Bolkow-Blohm BK 117 B-2 (N122SL), St. Louis, MO, Minor damage. Pilot stated that she was repositioning the aircraft from arch base, located at [privacy data omitted]., in St. Louis, MO. Pilot stated she landed to pick up…
- [Incident 20100429033059I](https://openairdocs.org/incident/20100429033059I), Apr 29, 2010: Messerschmi BK 117 B-2 (N122SL), Granite City, IL, Minor damage. Helicopter was sitting on ground running at full power after uneventful landing. Base pilot in right seat had allowed new hire pilot in left seat to fly and…

---
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.