# N911TL: 1989 Messerschmitt-Bolkow-Blohm BK 117 B-2, registration cancelled 2019-10-15 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: October 15, 2019 - 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: 7198 - Year built: 1989 - Type of aircraft: Rotorcraft - Engine type: Turbo-shaft - Airworthiness: Standard, transport - Airworthiness date: February 2, 1994 - Certificate issued: September 4, 2019 - Last registry action: September 4, 2019 - Mode S code: AC9C16 - Owner when cancelled: [Phi Aviation LLC](https://openairdocs.org/faa-owner/PHI%20AVIATION%20LLC) - Location: [Lafayette, LA](https://openairdocs.org/faa-place/LA/Lafayette) - Owner type: LLC - Owner's area on the map: 30.1552° N, 92.0282° W: Placed by OpenAirDocs at the center of ZIP code 70508, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based - The mark today: https://openairdocs.org/aircraft/N911TL - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=911TL - Page: https://openairdocs.org/deregistered/N911TL-2019-10-15 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 (57, newest 50) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR HEEA110760](https://openairdocs.org/sdr/HEEA110760), Aug 11, 2006: CONNECTOR. CONTAMINATED. FLIGHT WAS CANCELLED AFTER TAKEOFF DUE TO TORQUE GAUGE READING ABOUT 20 LOW ON BOTH ENGINES. N1 AND TOT OF BOTH ENGINES SEEMED TO BE CORRECT DURING 6 MINUTE FLI - [SDR HEEA094028](https://openairdocs.org/sdr/HEEA094028), Mar 7, 2004: WINDOW. DEPARTED. DURING FLIGHT, COPILOT SLIDING GLASS WINDOW DEPARTED WINDOW. WINDOW CAUSED SUBSEQUENT DAMAGE TO HORIZONTAL STABLIZER AND WINGLET. - [SDR HEEA086714](https://openairdocs.org/sdr/HEEA086714), May 21, 2003: BEARING. WORN. PITCH LINK ASSY HAS WORN BEARINGS. REPLACED 2 EACH 11-3943P BEARINGS DUE TO WORN AND 2 EACH 11-6488P BEARINGS DUE TO WORN. REPAIRED. - [SDR HEEA082652](https://openairdocs.org/sdr/HEEA082652), Dec 11, 2002: TRANSCEIVER. MALFUNCTIONED. VOLUME CONTROL INCONSISTENT. REPLACED S901 VOLUME CONTROL SWITCH, REPLACED BAD DISPLAY LENS, INTERMITTENT DS901 DISPLAY AND REPAINTED FACEPLATE. BENCH CHECK GOO - [SDR HEEA082608](https://openairdocs.org/sdr/HEEA082608), Dec 4, 2002: TRANSMITTER. MALFUNCTIONED. AFTER LIFT OFF, TRANSMISSION OIL PRESSURE CAUTION LIGHT ILLUMINATED IN CONJUNCTION WITH LOWER THAN NORMAL READING ON NR 2 TRANSMISSION OIL PRESSURE GAUGE. REPLA - [SDR HEEA080316](https://openairdocs.org/sdr/HEEA080316), Jun 25, 2002: BLADE. WORN. TAIL ROTOR BLADE HAS WORN PAINT. - [SDR HEEA080315](https://openairdocs.org/sdr/HEEA080315), Jun 25, 2002: BLADE. WORN. TAIL ROTOR BLADE HAS WORN PAINT. - [SDR HEEA080303](https://openairdocs.org/sdr/HEEA080303), Jun 11, 2002: BUSHING. WORN. TAIL ROTOR GEARBOX HAS A WORN BUSHING. REPAIRED. - [SDR HEEA079798](https://openairdocs.org/sdr/HEEA079798), May 30, 2002: CONTROL HEAD. MALFUNCTIONED. DISPLAYING WRONG PL CODE AND CHANGING SETTINGS INDEPENDENTLY OF MASTER CONTROL HEAD. - [SDR HEEA079790](https://openairdocs.org/sdr/HEEA079790), May 30, 2002: TRANSCEIVER. INOPERATIVE. TRANSCEIVER WOULD NOT TRANSMIT. - [SDR HEEA075662](https://openairdocs.org/sdr/HEEA075662), Aug 28, 2001: STRUCTURE. DEBONDED. PAINT PEELED AND TRAILING EDGE DEBONDED. - [SDR HEEA065148](https://openairdocs.org/sdr/HEEA065148), Nov 15, 1999: BRUSHES. WORN. STARTER/GENERATOR BRUSHES WORN AND INOPERATIVE. - [SDR HEEA063440](https://openairdocs.org/sdr/HEEA063440), Aug 9, 1999: GYRO. INACCURATE. DIRECTIONAL GYRO READING 30 - 60 DEGREES OFF. - [SDR HEEA063436](https://openairdocs.org/sdr/HEEA063436), Aug 9, 1999: GYRO. PRECESSES. DIRECTIONAL GYRO PRECESSING. - [SDR HEEA060473](https://openairdocs.org/sdr/HEEA060473), Jan 25, 1999: BEARING. LOOSE. BEARINGS SPINNING IN HUB. REPLACED WITH SERVICEABLE BEARINGS. - [SDR HEEA060458](https://openairdocs.org/sdr/HEEA060458), Jan 25, 1999: HORIZON. MALFUNCTIONED. ARTIFICAL HORIZON SLOW TO PULL FLAG. - [SDR HEEA060454](https://openairdocs.org/sdr/HEEA060454), Jan 25, 1999: TRANSCEIVER. FAILED. TRANSCEIVER WILL NOT TRANSMIT CORRECTLY. - [SDR HEEA060444](https://openairdocs.org/sdr/HEEA060444), Jan 25, 1999: TRANSDUCER. ERRATIC. YAW TRANSDUCER HAS ERRATIC READING WHEN ADJUSTING. - [SDR HEEA0016732](https://openairdocs.org/sdr/HEEA0016732), Nov 6, 1998: ACTUATOR. LEAKING. T/R ACTUATOR - LEAKING OUT SEALS. - [SDR HEEA0016710](https://openairdocs.org/sdr/HEEA0016710), Nov 6, 1998: GYRO. FAILED. DIRECTIONAL GYRO NOT SLAVING, HEADING SYNCHRO OUTPUT PRECESSES. - [SDR HEEA0016698](https://openairdocs.org/sdr/HEEA0016698), Nov 6, 1998: TRANSMITTER. FAILED. TRANSMITER WILL NOT SLAVE. - [SDR HEEA0015390](https://openairdocs.org/sdr/HEEA0015390), Jul 29, 1998: INDICATOR. STUCK. GAUGE STICKING AT ZERO ON N1 INDICATOR WHEN POWER SHUT OFF. - [SDR HEEA0015347](https://openairdocs.org/sdr/HEEA0015347), Jul 29, 1998: INDICATOR. MALFUNCTIONED. NR 2 N2 NEEDLE ON TRIPLE TACHOMETER FLUCTUATING AT 100 PERCENT. - [SDR HEEA0015284](https://openairdocs.org/sdr/HEEA0015284), Jul 27, 1998: RECEIVER. INOPERATIVE. ADF RADIO INOPERATIVE. PERFORMED PRELIMINARY INSPECTION, FOUND BLOWN FUSE. INSTALLED CIRCUIT BREAKER (1 AMP) TO TROUBLESHOOT. WHEN TURNED ON, SMOKE CAME FROM UN - [SDR HEEA0015280](https://openairdocs.org/sdr/HEEA0015280), Jul 27, 1998: RECEIVER. INOPERATIVE. BFO INOPERATIVE AND STRIPPED SCREW HOLE ON FRAME. PERFORMED PRELIMINARY INSPECTION AND FOUND PHOTOCELL INOPERATIVE, REPLACED PHOTOCELL, FOUND BFO INOPERATIVE AN - [SDR HEEA0014732](https://openairdocs.org/sdr/HEEA0014732), Jun 11, 1998: STATIC INVERTER. FAILED. A/C INVERTER INOPERATIVE. - [SDR HEEA0014598](https://openairdocs.org/sdr/HEEA0014598), Jun 4, 1998: GPS. MALFUNCTIONED. GPS LOSES FIX, CASE LOOSE, BONDING TAB BROKEN. - [SDR HEEA0014571](https://openairdocs.org/sdr/HEEA0014571), Jun 4, 1998: POWER SUPPLY. BURNED OUT. LIGHT SYSTEM POWER SUPPLY UNIT SMOKED. - [SDR HEEA0014174](https://openairdocs.org/sdr/HEEA0014174), May 12, 1998: GPS. DEFECTIVE. SATELLITE SIGNALS WEAK. PERFORMED PRELIMINARY INSPECTION. FOUND UNIT TO TAKE TOO LONG TO LOCK ON AND IS DROPPING SATELLITES. - [SDR HEEA0014063](https://openairdocs.org/sdr/HEEA0014063), Apr 29, 1998: COVER. WORN. FORWARD BORE WORN FROM BEARING SPINNING. REPLACED WITH NEW COVER. - [SDR HEEA0013985](https://openairdocs.org/sdr/HEEA0013985), Apr 20, 1998: GPS. FAILED. INTERMITTENTLY LOSING POWER AND SHUTTING DOWN. NOT AIRCRAFT WIRING. DOES SAME WHEN POWERED UP ON BENCH. FOUND UNIT TO LOCK UP AND CHANGES MODES WITHOUT PRESSING - [SDR HEEA0013838](https://openairdocs.org/sdr/HEEA0013838), Apr 3, 1998: GPS. FAILED. GPS INOPERATIVE. FOUND UNIT NOT PICKING UP ANY SIGNALS; ALSO ENT BUTTON IS VERY INTERMITTENT. - [SDR HEEA0013744](https://openairdocs.org/sdr/HEEA0013744), Apr 2, 1998: STATIC INVERTER. FAILED. STATIC INVERTER INOPERATIVE. - [SDR HEEA0013579](https://openairdocs.org/sdr/HEEA0013579), Mar 26, 1998: TRANSCEIVER. INTERMITTENT. RECEIVES INTERMITTENT AND MIKE GAIN DEVIATION INTERMITTENT. - [SDR HEEA0011586](https://openairdocs.org/sdr/HEEA0011586), Oct 21, 1997: SLEEVE. WORN. T/R BEARING SEATS WORN. - [SDR HEEA0011449](https://openairdocs.org/sdr/HEEA0011449), Oct 10, 1997: HUB. WORN. HUB BEARING SEAT WORN. - [SDR HEEA0011237](https://openairdocs.org/sdr/HEEA0011237), Oct 7, 1997: BLADE. WORN. BLADE S/N 073 LEADING EDGE WORN. - [SDR HEEA0010506](https://openairdocs.org/sdr/HEEA0010506), Jul 16, 1997: GYRO. DEFECTIVE. GYRO UNIT NOISY, GROWLING, YAW CSAS KICKING. - [SDR HEEA0010350](https://openairdocs.org/sdr/HEEA0010350), Jun 26, 1997: EMERGENCY POWER. LOW. EMERGENCY POWER HAS LOW POWER. - [SDR HEEA968813](https://openairdocs.org/sdr/HEEA968813), Dec 31, 1996: TRANSDUCER. DEFECTIVE. FUEL PRESS READING IS HIGH. - [SDR HEEA968241](https://openairdocs.org/sdr/HEEA968241), Oct 11, 1996: GYRO. DEFECTIVE. FLAG PULLS BUT VERY SLOW TO ERECT 45 DEGREE/15 MINUTES. - [SDR HEEA968240](https://openairdocs.org/sdr/HEEA968240), Oct 11, 1996: ACTUATOR. LEAKING. T/R ACTUATOR LEAKING EVERYWHERE. - [SDR HEEA967733](https://openairdocs.org/sdr/HEEA967733), Aug 30, 1996: ALTIMETER. ERRATIC. NEEDLE FLUCTUATES ERRATICALLY. TEST FUNCTION SOMETIMES PEGS NEEDLE ABOVE 3000'. FOUND POWER OUT DOES NOT MEET SPECS. STRIPLINE ASSY IS BAD. - [SDR HEEA967567](https://openairdocs.org/sdr/HEEA967567), Jul 10, 1996: TRANSCEIVER. DEFECTIVE. MHZ, KHZ FREQUENCY, TRANSFER FREQUENCY AND CHANNEL FREQUENCY UNABLE TO CHANGE. - [SDR HEEA967566](https://openairdocs.org/sdr/HEEA967566), Jul 10, 1996: ALTIMETER. ERRATIC. ERRATIC RADAR ALT. OPERATION AT ZERO AND ABOVE 2000FT. RESOLDERED ALL WIRES GOING TO STRIP LINE ASSEMBLY. REPAIRED PROBLEM. VIBRATED AND COOKED UNIT TO VERIFY N - [SDR HEEA967301](https://openairdocs.org/sdr/HEEA967301), May 31, 1996: TRANSPONDER. MALFUNCTION. ATC UNABLE TO RECEIVED MODE C. FOUND LOW POWER OUT. TRIED ADJUSTING POEWR TO SPECS. REPLACED CAVITY TUBE V101. REPAIRED. ADJUSTED FREQUENCY. BENCH CHECK GOOD. - [SDR HEEA967258](https://openairdocs.org/sdr/HEEA967258), May 22, 1996: TRANSCEIVER. FAILED. UNABLE TO RECEIVE. - [SDR HEEA956151](https://openairdocs.org/sdr/HEEA956151), Nov 28, 1995: TRANSCEIVER. INOPERATIVE. ATC REPORTING INOPERATIVE. FOUND WAFER SWITCHES (2 EACH) BROKEN. REPLACED SWITCH BOARD. REPAIRED PROBLEM. ALIGNED RECEIVER AND ADJUSTED FREQUENCY. BENCH CHECK G - [SDR HEEA956140](https://openairdocs.org/sdr/HEEA956140), Nov 22, 1995: SKIN. CRACKED. DURING INSPECTION FOUND TAILBOOM MOUNT CONE SKIN CRACKED AT TOP AFT ECU MOUNT. REPAIRED SKIN BY STOP DRILLING CRACKS, ADDING FILLER PATCH AND ADDING DOUBLER TO - [SDR HEEA955543](https://openairdocs.org/sdr/HEEA955543), Aug 7, 1995: TRANSDUCER. MALFUNCTION. TRANSDUCER CAUSING FUEL GAUGE NEEDLE TO STICK AT ZERO. All 57: https://openairdocs.org/deregistered/N911TL-2019-10-15/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 19950628021709I](https://openairdocs.org/incident/19950628021709I), Jun 28, 1995: Bolkms BK117B2 (N911TL), Modesto, CA, Minor damage. Transmission access door separated hit main rotor. Landed ok. Mechanic had failed to latch door after maintenance. --- 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.