# N136AE: 1991 Messerschmitt-Bolkow-Blohm BK 117 B-2, registration cancelled 2012-03-14 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: March 14, 2012 - Exported to: Canada - 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: 7234 - Year built: 1991 - Type of aircraft: Rotorcraft - Engine type: Turbo-shaft - Airworthiness: Standard, transport - Airworthiness date: August 8, 1991 - Certificate issued: July 14, 2011 - Last registry action: August 5, 2011 - Mode S code: A09180 - 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/N136AE - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=136AE - Page: https://openairdocs.org/deregistered/N136AE-2012-03-14 From the FAA registry file of October 28, 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 (55, newest 50) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR BAQA200700031](https://openairdocs.org/sdr/BAQA200700031), Sep 25, 2007: SPAR. CRACKED. TAILBOOM VERTICAL FIN MAIN SPAR CRACKED AT UPPER LIGHTNING HOLE NEAR TAIL ROTOR GEARBOX MOUNT. - [SDR BAQA091292](https://openairdocs.org/sdr/BAQA091292), Dec 1, 2003: MANIFOLD. MALFUNCTIONED. ENGINE HARD TO LIGHT OFF. REMOVED FUEL MANIFOLD FROM ENGINE. REPLACED WITH SERVICEABLE UNIT. 12/10/03 - [SDR BAQA091161](https://openairdocs.org/sdr/BAQA091161), Nov 19, 2003: GYRO. INOPERATIVE. OFF FLAG WILL NOT GO OFF. DG INOPERATIVE. REPLACED WITH SERVICEABLE UNIT. - [SDR BAQA088952](https://openairdocs.org/sdr/BAQA088952), Sep 22, 2003: COMPUTER. INOPERATIVE. CSAS COMPUTER UNIT IS INOPERATIVE. REPLACED WITH REPAIRED, SERVICEABLE UNIT. - [SDR BAQA086350](https://openairdocs.org/sdr/BAQA086350), May 8, 2003: LANDING LIGHT. INOPERATIVE. LANDING LIGHT RETRACT INOP. REPLACED WITH SERVICEABLE UNIT. - [SDR BAQA084095](https://openairdocs.org/sdr/BAQA084095), Feb 6, 2003: ANTENNA. CORRODED. ANTENNA HAS CORROSION. HOUSING IS SPLIT. - [SDR 20010122CW016](https://openairdocs.org/sdr/20010122CW016), Jan 9, 2001: MODULE. BINDING. AIRCRAFT HAD COLLECTIVE BINDING DURING PITCH MOVEMENT. - [SDR HEEA065157](https://openairdocs.org/sdr/HEEA065157), Nov 15, 1999: BLADE. ERRODED. TAIL ROTOR BLADE HAD PAINT EROSION. - [SDR HEEA065096](https://openairdocs.org/sdr/HEEA065096), Nov 11, 1999: BLADE. DAMAGED. FOD DAMAGE ON LEADING EDGE TAIL ROTOR BLADE. - [SDR HEEA064737](https://openairdocs.org/sdr/HEEA064737), Oct 12, 1999: BEARING. LOOSE. BEARING CAME UNSTAKED AFTER ONE TEST FLIGHT. REPLACED WITH SERVICEABLE BELLCRANK. - [SDR HEEA064719](https://openairdocs.org/sdr/HEEA064719), Oct 12, 1999: INDICATOR. DAMAGED. TWO YEAR INSPECTION DUE. FOUND LOOSE SCREW IN UNIT. TIGHTENED SCREW. FOUND INTERMITTENT DH LIGHT SWITCH. REPLACED DH LIGHT SWITCH. TROUBLESHOT AND FOUND FLAG ME - [SDR HEEA063446](https://openairdocs.org/sdr/HEEA063446), Aug 9, 1999: TRANSCEIVER. MALFUNCTIONED. UNSERVICEABLE. PERFORMED PRELIMINARY INSPECTIONS AND CLEANED CORROSION FROM UNIT. FOUND GUARD RECEIVER WEAK. ALIGNED GUARD RECEIVER. FOUND MAIN RECEIVER AND TRA - [SDR HEEA062918](https://openairdocs.org/sdr/HEEA062918), Jul 13, 1999: INDICATOR. MALFUNCTIONED. NR 1 AND NR 2 NEEDLES WOULD NOT CORRECT FOR THE ZERO SCALE. SLOPE ADJUST WAS WORKING NORMALLY. LOW READINGS STAYED AT OR ABOVE 26 PERCENT. - [SDR HEEA0016712](https://openairdocs.org/sdr/HEEA0016712), Nov 6, 1998: GYRO. FAILED. GYRO TUMBLED ONE TIME AND RECOVERED ON SPOOL DOWN-CSAS PITCH AND ROLL KICKING AND GOING OFF LINE INTERMITTENTLY. - [SDR HEEA0016678](https://openairdocs.org/sdr/HEEA0016678), Nov 5, 1998: INDICATOR. READS HIGH. N1 INDICATOR INSTRUMENT READS HIGH AFTER WARM-UP. - [SDR HEEA0016677](https://openairdocs.org/sdr/HEEA0016677), Nov 5, 1998: INDICATOR. INOPERATIVE. N1 INDICATOR INOPERATIVE. - [SDR HEEA0014716](https://openairdocs.org/sdr/HEEA0014716), Jun 10, 1998: FILTER ASSY. MALFUNCTIONED. MAIN ROTOR GEARBOX FILTER'S BYPASS BUTTON STAYS PARTIALLY EXTENDED. - [SDR HEEA0014575](https://openairdocs.org/sdr/HEEA0014575), Jun 4, 1998: TRANSDUCER. MALFUNCTIONED. TORQUE DROPPED OFF 20 PERCENT, THEN WENT HIGH BY 20 PERCENT. UNIT WOULD NOT REMAIN CALIBRATED. - [SDR HEEA0014541](https://openairdocs.org/sdr/HEEA0014541), Jun 4, 1998: OIL FILTER. FAULTY. OIL FILTER BUTTONS DO NOT STAY IN. - [SDR HEEA0013934](https://openairdocs.org/sdr/HEEA0013934), Apr 16, 1998: STATOR. DEFECTIVE. STATOR DEFECTIVE CAUSING VERY HIGH FIELD CURRENT AND BRUSH LEADS ARE TOO LONG. - [SDR HEEA0013645](https://openairdocs.org/sdr/HEEA0013645), Mar 26, 1998: INDICATOR. FAILED. TURN AND SLIP NEEDLE WOULD NOT OPERATE. - [SDR HEEA0013577](https://openairdocs.org/sdr/HEEA0013577), Mar 26, 1998: FILTER ASSY. FAILED. OIL FILTER ASSY INOPERATIVE. - [SDR HEEA0013493](https://openairdocs.org/sdr/HEEA0013493), Mar 19, 1998: STATIC INVERTER. FAILED. STATIC INVERTER INTERMITTENT. - [SDR HEEA0012943](https://openairdocs.org/sdr/HEEA0012943), Feb 10, 1998: INDICATOR. FAULTY. ARTIFICIAL HORIZ FLAG SLOW TO PULL AND GLASS DIRTY. - [SDR HEEA0012942](https://openairdocs.org/sdr/HEEA0012942), Feb 10, 1998: GYRO. FAILED. HORIZON GYRO TUMBLES. - [SDR HEEA0012941](https://openairdocs.org/sdr/HEEA0012941), Feb 10, 1998: INDICATOR. FAILED. FUEL QTY INDICATOR HAS EXCESSIVE FRICTION PAST 50 GALLONS. - [SDR HEEA0012772](https://openairdocs.org/sdr/HEEA0012772), Feb 5, 1998: RECEIVER. FAILED. LOC RECEIVER NOT PULLING FLAG. - [SDR HEEA0012704](https://openairdocs.org/sdr/HEEA0012704), Jan 26, 1998: PRE COOLER. CRACKED. PRE COOLER HAS CRACKS IN STEEL TUBE. REPLACED WITH SERVICEABLE PART. - [SDR HEEA0012636](https://openairdocs.org/sdr/HEEA0012636), Jan 26, 1998: TRANSDUCER. FAILED. TRANSDUCER OUTPUT IS 1 VOLT CONTINUOUSLY. - [SDR HEEA0012590](https://openairdocs.org/sdr/HEEA0012590), Jan 20, 1998: NOZZLE. LEAKING. FUEL LEAK DEVELOPED IN SOLID TUBING BETWEEN FUEL NOZZLES. TUBE APPEARS TO HAVE SMALL PIN HOLE OR CRACK IN ONE OF THE SOLID TUBES. - [SDR HEEA0012141](https://openairdocs.org/sdr/HEEA0012141), Nov 28, 1997: POWER SUPPLY. FAILED. NO 24 VOLT OUTPUT. - [SDR HEEA0011826](https://openairdocs.org/sdr/HEEA0011826), Nov 7, 1997: BLADE. DAMAGED. S/N 0005 HAS LEADING EDGE DAMAGED. S/N 017 HAS NO DISCREPANCY - [SDR HEEA0010847](https://openairdocs.org/sdr/HEEA0010847), Aug 21, 1997: CONTROL. FAILED. P.A. INOPERATIVE, SIREN WORKS BUT VOICE INPUT DOES NOT. - [SDR HEEA0010575](https://openairdocs.org/sdr/HEEA0010575), Aug 6, 1997: INDICATOR. DEFECTIVE. AIR SPEED INDICATES 25 KNOTS WITH NO PRESSURE APPLIED. - [SDR HEEA0010497](https://openairdocs.org/sdr/HEEA0010497), Jul 16, 1997: VALVE. LEAKS. VALVE LEAKS. - [SDR HAIHEEA9623](https://openairdocs.org/sdr/HAIHEEA9623), Apr 28, 1997: FUEL NOZZLE. LEAKING. DAILY INSPECTION REVEALED: FUEL LEAKING FROM FUEL MANIFOLD TUBE. - [SDR HEEA967226](https://openairdocs.org/sdr/HEEA967226), May 9, 1996: STATIC INVERTER. FAN MISSING. INVERTER BLOWER FAN IS MISSING AT END OPPOSITE FROM CANNON PLUG. - [SDR HEEA956138](https://openairdocs.org/sdr/HEEA956138), Nov 22, 1995: FRAME. CRACKED. CRACKS DEVELOPED IN THE FRAME ALONG THE BOTTOM WHERE IT ATTACHES TO THE TAIL CONE SKIN. THE CRACKS TYPICALLY ORIGINATE FROM THE RIVETS AND RUN ALONG THE RIVET L - [SDR HEEA956116](https://openairdocs.org/sdr/HEEA956116), Nov 21, 1995: TRANSCEIVER. DEFECTIVE. VOR WILL NOT TRACK RADIAL OR DISPLAY. - [SDR HEEA955570](https://openairdocs.org/sdr/HEEA955570), Aug 8, 1995: SPRING. CRACKED. N2 CONTROL SPRING CRACKED. SCRAPPED IN FIELD. - [SDR 95ZZZX2824](https://openairdocs.org/sdr/95ZZZX2824), May 8, 1995: GOVERNOR. FAILED. WHEN ECU WAS TURNED ON AFTER TAKEOFF, NR 1 ENGINE DROPPED OFF LINE. LANDED AT AIRPORT WITHOUT INCIDENT. IPC REF: 73-20-00, FIGURE 2, ITEM NR 45. - [SDR 95ZZZX2203](https://openairdocs.org/sdr/95ZZZX2203), Apr 6, 1995: FLOW MODULATOR. MALFUNCTION. NR 2 ENGINE TORQUE SPLIT LOW WHEN THE AIRYCRAFT WAS PICKED UP TO A HOVER. CYCLED FLOW FENCE WITH SHOP AIR, LUBED ACTUATOR, CHECKED OPERATING RANGE. RETURNED TO - [SDR HEEA954648](https://openairdocs.org/sdr/HEEA954648), Mar 28, 1995: INDICATOR. FAILED. #1 SUPPLY NEEDLE WOULD NOT GO ABOVE ONE GALLON. - [SDR HEEA954646](https://openairdocs.org/sdr/HEEA954646), Mar 28, 1995: BLADE BOLTS. WORN. SECONDARY BLADE BOLTS FOUND WORN BEYOND LIMITS ON INSPECTION. REPLACED WITH SERVICEABLE BLADE BOLTS AND RETURNED TO SERVICE. S/N PHI513 & PHI 514 - [SDR HEEA954634](https://openairdocs.org/sdr/HEEA954634), Mar 24, 1995: BELLOWS. DRY ROT. DRY ROTTED AND CRACKING. - [SDR HEEA954633](https://openairdocs.org/sdr/HEEA954633), Mar 24, 1995: ROD END ASSY. WORN BEARINGS. WORN BEARINGS. - [SDR HEEA954632](https://openairdocs.org/sdr/HEEA954632), Mar 24, 1995: PITCH LINK ASSY. BEARING WORN. WORN BEARINGS. - [SDR HEEA954562](https://openairdocs.org/sdr/HEEA954562), Mar 22, 1995: ROD END. WORN BEARING. WORN BEARINGS. - [SDR HEEA954485](https://openairdocs.org/sdr/HEEA954485), Mar 2, 1995: STARTER. INOPERATIVE. STARTER GENERATOR INOPERATIVE. REPLACED WITH SERVICEABLE STARTER GENERATOR. - [SDR HEEA954347](https://openairdocs.org/sdr/HEEA954347), Feb 14, 1995: LAMP. DEFECTIVE. FIXED LANDING LIGHT HOUSING ASSEMBLY CRACKED AND BROKEN AT MOUNTING BRACKET. All 55: https://openairdocs.org/deregistered/N136AE-2012-03-14/reports.md ## 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 19950326013199I](https://openairdocs.org/incident/19950326013199I), Mar 26, 1995: Bolkms BK117B2 (N136AE), Casa Grande, AZ. During takeoff hover unable mate torque needles. NR2 engine unable to beep up. Landed. Replaced airflow modulator. --- 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.