# N211SL: 1989 Messerschmitt-Bolkow-Blohm BK 117 B-2, registration cancelled 2014-12-23

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 23, 2014
- Exported to: New Zealand
- 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: 7201
- Year built: 1989
- Type of aircraft: Rotorcraft
- Engine type: Turbo-shaft
- Airworthiness: Standard, transport
- Airworthiness date: April 21, 2008
- Certificate issued: May 13, 2010
- Last registry action: November 25, 2013
- Mode S code: A1BED4
- Owner when cancelled: [Air Methods Corp](https://openairdocs.org/faa-owner/AIR%20METHODS%20CORP)
- Location: [Englewood, CO](https://openairdocs.org/faa-place/CO/Englewood)
- Owner type: Corporation
- Owner's area on the map: 39.5732° N, 104.8649° W: Placed by OpenAirDocs at the center of ZIP code 80112, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N211SL
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=211SL
- Page: https://openairdocs.org/deregistered/N211SL-2014-12-23

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 (12)

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

- [SDR QMLA2013021313034](https://openairdocs.org/sdr/QMLA2013021313034), Feb 13, 2013: FUEL CONTROL. MALFUNCTIONED. AT APPROX 1030 AM WHILE STARTING AN APPROACH INTO THE HOSPITAL. HAD A PRONOUNCED YAW FOLLOWED BY THE NR 2 ENGINE LOW LIGHT COMING ON, OBSERVED THE ENGINE RPM CL
- [SDR QMLA2013021313027](https://openairdocs.org/sdr/QMLA2013021313027), Feb 13, 2013: ENGINE. FAILED. AT START OF APPROACH, HAD A PROUNOUNCED YAW FOLLOWED BY NR 2 ENGINE LOW LIGHT COMING ON, OBSERVED ENGINE RPM CLIMB TO 110 PERCENT AND DROP OFF, ENGINE RPM FELL 
- [SDR QMLA2012051312078](https://openairdocs.org/sdr/QMLA2012051312078), May 13, 2012: UNKNOWN. ODOR. ROLL CSAS LIGHT ILLUMINATED AND AN ACRID ODOR FOLLOWED. ROLL CSAS CIRCUIT WAS DISENGAGED AND THE ODOR WAS NO LONGER PRESENT. RETURNED TO BASE. TROUBLESHOOTING F
- [SDR QMLA2011010911004](https://openairdocs.org/sdr/QMLA2011010911004), Jan 9, 2011: STARTER GEN. DEFECTIVE. NR2 STARTER/GENERATOR CAUSING IRREGULAR AMPERAGE SPIKES ON AMMETER DURING NORMAL FLIGHT. MOMENTARILY KICKED OFF NR1 GENERATOR. FOUND FAULTY STARTER/GENERATOR UP
- [SDR QMLA2010110810074](https://openairdocs.org/sdr/QMLA2010110810074), Nov 8, 2010: SLIDING SLEEVE. DEBONDED. UPON AIRWORTHINESS INSPECTION IN THE MORNING, THE MECHANIC FOUND THAT THE MAIN ROTOR SWASHPLATE SLIDING SLEEVE TEFLON BUSHING HAD TEFLON LINER DEBONDED FROM BUS
- [SDR QML2ML00281](https://openairdocs.org/sdr/QML2ML00281), Jul 14, 2010: SKIN. DENTED. DAMAGE FOUND NEAR THE RT REAR JACK POINT STA 5000MM AND DAMAGE LT OF CTR LINE APPROX 370MM AT STA 4750 MM.
- [SDR 720110122007](https://openairdocs.org/sdr/720110122007), Oct 13, 2007: STARTER GEN. OUT OF ADJUST. EXTREMELY FAINT ELECTRICAL BURNING ODOR DETECTED. ASKED TRANSPORT TEAM IF THEY DETECTED ODOR AND THEY INDICATED THAT THEY DID NOT. PILOT NOTICED NR 2 GENERATOR 
- [SDR 7201](https://openairdocs.org/sdr/7201), Nov 5, 2004: FITTING. CRACKED. WHILE PERFORMING A LIFENET AAIP INSPECTION, THE MECHANIC FOUND A .7500 INCH (APPROX) CRACK EXTENDING FROM THE UPPER LEFT HAND T/R GEARBOX MOUNT HOLE INBOARD THR
- [SDR A1U2003F00001](https://openairdocs.org/sdr/A1U2003F00001), Aug 1, 2003: STRUCTURE. CRACKED. WHILE PERFORMING A DAILY INSP, MECHANIC FOUND A .5000 INCH CRACK EXTENDING PAST THE LEADING EDGE FAIRING FOR THE HORIZONTAL STABILIZER, THE CRACK WAS IN THE TAI
- [SDR A1U2002F00001](https://openairdocs.org/sdr/A1U2002F00001), Dec 14, 2001: PUMP. FAILED. AFTER TAKEOFF, AFT FUEL TRANSFER PUMP LIGHT ILLUMINATED. CIRCUIT BREAKER WAS PULLED AND RESET. SWITCH WAS CYCLED. PROBABLE CAUSE, BEARINGS SEIZED.
- [SDR A1UR135H](https://openairdocs.org/sdr/A1UR135H), Jan 2, 2001: GOVERNOR. FAILED. PILOT REPORTED ENROUTE TORQUE SPLITS BETWEEN ENGINE. AC MADE SCHEDULED LANDING AT HOSPITAL. PILOT ATTEMPTED TO START NR 2 ENGINE, ENG WOULD NOT ACCELERATE BEYON
- [SDR 99ZZZX1542](https://openairdocs.org/sdr/99ZZZX1542), Mar 18, 1999: FRAME. CRACKED. DURING ROUTINE TAIL BOOM INSPECTION, FOUND FRAME 10L CRACKED ALL THE WAY THROUGH. REPORTED DISCREPANCY TO AMERICAN EUROCOPTER. AMERICAN EUROCOPTER SENT TECH REP

## Other aircraft with N211SL

- [Registered now](https://openairdocs.org/aircraft/N211SL): Robinson Helicopter R66, S/N 1025, built 2021

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