# N911EB: 1989 Messerschmitt-Boelkow-Blohm BO-105S, registration cancelled 2018-04-11 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: April 11, 2018 - Exported to: Kazakhstan - Status when cancelled: Valid registration - Airframe: [Messerschmitt-Boelkow-Blohm BO-105S](https://openairdocs.org/model/messerschmitt-boelkow-blohm-bo-105s) (registry code 5626006) - Engine: [Allison 250-C20 series](https://openairdocs.org/engine/allison-250-c20-series) (registry code 03020) - Data sheets: [TCDS H3EU](https://openairdocs.org/tcds/H3EU), [TCDS E4CE](https://openairdocs.org/tcds/E4CE) (OpenAirDocs) - Serial number: S-812 - Year built: 1989 - Type of aircraft: Rotorcraft - Engine type: Turbo-prop - Airworthiness: Standard, normal - Airworthiness date: May 30, 1990 - Certificate issued: April 2, 2003 - Last registry action: August 8, 2016 - Mode S code: AC9AC8 - Owner when cancelled: [Air Med Services LLC](https://openairdocs.org/faa-owner/AIR%20MED%20SERVICES%20LLC) - Location: [Lafayette, LA](https://openairdocs.org/faa-place/LA/Lafayette) - Owner type: Corporation - Owner's area on the map: 30.2241° N, 92.0198° W: Placed by OpenAirDocs: center of Lafayette, LA, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based - The mark today: https://openairdocs.org/aircraft/N911EB - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=911EB - Page: https://openairdocs.org/deregistered/N911EB-2018-04-11 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-Boelkow-Blohm BO-105S: https://openairdocs.org/model/messerschmitt-boelkow-blohm-bo-105s.md ## Service difficulty reports (36) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR HDNA201006212010](https://openairdocs.org/sdr/HDNA201006212010), Jun 21, 2010: CLAMP. LOOSE. AT TAKEOFF, THE NR1 ENGINE FIRE LIGHT ILLUMINATED. THE ACFT RETURNED TO LANDING ZONE WITHOUT INCIDENT. UPON INSP, IT WAS FOUND THAT THE NR 1 ENGINE INBD EXHAUST - [SDR HDN2008F00000](https://openairdocs.org/sdr/HDN2008F00000), Jul 17, 2008: FIRE DETECTOR. CORRODED. NR 1 ENG FIRE DETECTOR WARNING LIGHT ILLUMINATED DURING CRUISE FLIGHT. AC DIVERTED FROM FLIGHT PATH AND LANDED ON THE SHOULDER OF THE ROAD. IT WAS DETERMINED TH - [SDR HDNR200400001](https://openairdocs.org/sdr/HDNR200400001), Jul 4, 2004: SHIELD. SEPARATED. THE NR 1 NOZZLE SHIELD DOME SEPARATED CAUSING THE TURBINE NR 8 BEARING SCAVENGE STRUT TO CLOG WITH CARBON INDUCED BY THE EXCESS HEAT ALLOWED IN THE AREA BY THE - [SDR HEEA063428](https://openairdocs.org/sdr/HEEA063428), Aug 6, 1999: WARNING BOX. MALFUNCTIONED. RPM WARNING BOX MALFUNCTION CAUSES RPM LIGHT TO CONTINUOUSLY BLINK. - [SDR HEEA062408](https://openairdocs.org/sdr/HEEA062408), Jun 1, 1999: NOZZLE SHIELD. CRACKED. ENGINE REMOVED DUE TO SMOKE ON SHUTDOWN. UPON INSPECTION OF TURBINE PARTS NOTED: CRACKED BEYOND SERVICEABLE LIMITS ON NR 1 NOZZLE SHIELD DOME AS MARKED. - [SDR HEEA060457](https://openairdocs.org/sdr/HEEA060457), Jan 25, 1999: CONTROL UNIT. MALFUNCTIONED. CONTROL UNIT TRANSMITS CONSTANTLY. PERFORMED PRELIMINARY INSPECTION AND FOUND THUMBWHEEL INTERMITTENT. - [SDR HEEA0016760](https://openairdocs.org/sdr/HEEA0016760), Nov 6, 1998: INDICATOR. ERRATIC. FUEL LEVEL GAUGE, ERRATIC INDICATION READINGS. - [SDR HEEA0016652](https://openairdocs.org/sdr/HEEA0016652), Nov 5, 1998: DRIVE SHAFT. WORN. TAIL ROTOR WORN BEYOND LIMITS. - [SDR HEEA0016645](https://openairdocs.org/sdr/HEEA0016645), Nov 5, 1998: TRANSPONDER. MALFUNCTIONED. REPLY LIGHT BLINKS CONTINUOUSLY. - [SDR HEEA0015151](https://openairdocs.org/sdr/HEEA0015151), Jul 1, 1998: INDICATOR. MALFUNCTIONED. COURSE POINTER ON INDICATOR IS INOPERATIVE. - [SDR HEEA0015106](https://openairdocs.org/sdr/HEEA0015106), Jul 1, 1998: INDICATOR. READS HIGH. EGT/TIT INDICATOR READS HIGH AND FLUCTUATES AT 900 DEGREES WHEN VIBRATING. - [SDR HEEA0014539](https://openairdocs.org/sdr/HEEA0014539), Jun 4, 1998: INDICATOR. FAULTY. OIL PRESSURE NR 2 NEEDLE PEGS OUT WHEN POWER APPLIED. - [SDR HEEA0014001](https://openairdocs.org/sdr/HEEA0014001), Apr 21, 1998: TURBINE WHEEL. PITTED. RECEIVING INSPECTION REVEALED: PITS BEYOND SERVICEABLE LIMITS ON NR2 WHEEL BLENDED AREA E (AFT) AS MARKED. NOTE: BLENDING OF THESE PITS WOULD EXCEED OVERHAUL LI - [SDR HEEA0013702](https://openairdocs.org/sdr/HEEA0013702), Apr 2, 1998: TRANSDUCER. FAILED. TRANSDUCER HIGH OUT OF TOLERANCE THROUGHOUT. - [SDR HEEA0013384](https://openairdocs.org/sdr/HEEA0013384), Mar 18, 1998: INDICATOR. FAILED. NR2 ENGINE OIL PRESSURE HIGH AT 100%. - [SDR HEEA0012951](https://openairdocs.org/sdr/HEEA0012951), Feb 10, 1998: INDICATOR. STICKING. SINGLE RPM INDICATOR STICKING. - [SDR HEEA0012512](https://openairdocs.org/sdr/HEEA0012512), Jan 6, 1998: TRANSDUCER. FAILED. TRANSDUCER READS HIGH OUT OF TOLERANCE AT 95 PSI. - [SDR HEEA0012215](https://openairdocs.org/sdr/HEEA0012215), Dec 3, 1997: CENTER CASE. WORN. CENTER CASE LINER LOOSE AND T/R BORE WORN. - [SDR HEEA0012214](https://openairdocs.org/sdr/HEEA0012214), Dec 3, 1997: UPPER HOUSING. WORN. UPPER HOUSING BUSHING BORE WORN IN AREA 3. - [SDR HEEA0012118](https://openairdocs.org/sdr/HEEA0012118), Nov 19, 1997: BUSHING. SEPARATED. INNER BUSHING SEPARATED FROM RUBBER. REPLACED WITH SERVICEABLE PART. - [SDR HEEA0010404](https://openairdocs.org/sdr/HEEA0010404), Jul 9, 1997: INDICATOR. ERROR. EXH TEMP INDICATOR EXCESSIVE FRICTION ERROR. - [SDR HEEA0010302](https://openairdocs.org/sdr/HEEA0010302), Jun 26, 1997: FLUX VALVE. MALFUNCTION. FLUX VALVE CAUSES HSI TO SEARCH. FLUX VALVE IS 15 FEET OFF. - [SDR HEEA0010184](https://openairdocs.org/sdr/HEEA0010184), Jun 19, 1997: INDICATOR. STICKS. RPM INDICATOR STICKS UP TO 30%. - [SDR HAIHEEA9945](https://openairdocs.org/sdr/HAIHEEA9945), May 28, 1997: BLADE. CRACKED. BLADE IS CRACKED. NOSE AND NECK SHELL CRACKED. ALL LEADING EDGE ABRASION STRIPS SEPARATED EXCEPT #1 CENTER. - [SDR HAIHEEA9864](https://openairdocs.org/sdr/HAIHEEA9864), May 13, 1997: TRANSDUCER. FAILED. TRANSDUCER READS HIGH OUT OF TOLERANCE. - [SDR HAIHEEA9831](https://openairdocs.org/sdr/HAIHEEA9831), May 8, 1997: WHEEL. BLADE DEFECTS. TURBINE REMOVED DUE TO CYCLED OUT #1 AND #2 WHEELS. UPON INSPECTION OF TURBINE PARTS NOTED: MINOR SULFIDATION ON ALL BLADES ON #1 WHEEL. SCRAPPED PART. - [SDR HAIHEEA9830](https://openairdocs.org/sdr/HAIHEEA9830), May 8, 1997: SHIELD. CRACKED. ENGINE REMOVED DUE TO TURBINE #1 AND #2 WHEEL CYCLES. UPON INSPECTION OF TURBINE PARTS NOTED: CRACKED BEYOND SERVICEABLE LIMITS ON #1 NOZZLE SHIELD ABOUT 75 PER - [SDR HAIHEEA9530](https://openairdocs.org/sdr/HAIHEEA9530), Apr 23, 1997: GYRO. DEFECTIVE. DIR GYRO VERY SLOW TO SPOOL UP HSI. CAUSES HSI TO GO OFF LINE. - [SDR HEEA979029](https://openairdocs.org/sdr/HEEA979029), Feb 10, 1997: TRANSPONDER. DEFECTIVE. INTERMITTENT OPERATION IN FLIGHT. PERFORMED PRELIMINARY INSPECTION. TROUBLESHOT AND REPLACED SWITCH BOARD ASSY P/N 200-0381-01. REPAIRED. BENCH CHECK GOOD. - [SDR HEEA967114](https://openairdocs.org/sdr/HEEA967114), May 6, 1996: CONTROL UNIT. DEFECTIVE. TRANSCEIVER RECEIVES SCRATCHY ON CHANNEL 5. - [SDR HEEA966916](https://openairdocs.org/sdr/HEEA966916), Apr 2, 1996: CONTROL UNIT. DEFECTIVE. TRANSMITS BUT WILL NOT RECEIVE. VERIFIED UNIT DOES NOT RECEIVE. REPLACED ON/OFF SWITCH. REPAIRED. BENCH CHECK GOOD. - [SDR HEEA966839](https://openairdocs.org/sdr/HEEA966839), Mar 8, 1996: INDICATOR. STICKS. ROTOR NEEDLE INTERMITTENTLY STICKS. - [SDR HEEA966800](https://openairdocs.org/sdr/HEEA966800), Feb 28, 1996: ANTENNA. WONT TEST. ANTENNA WILL NOT TEST. - [SDR HEEA966730](https://openairdocs.org/sdr/HEEA966730), Feb 26, 1996: CONTROL UNIT. FAILED. DISPLAY WILL NOT COME ON. REPLACED FUSE F1 AND DIODE CR5. REPAIRED. DISPLAY DOES NOT DIM. REPLACED PHOTOCELL RT1. REPAIRED. REPLACED INTERMITTENT THUMBWHEEL ASS - [SDR HEEA966704](https://openairdocs.org/sdr/HEEA966704), Feb 20, 1996: INDICATOR. DEFECTIVE. WILL NOT TEST. REPLACED CRACKED LENS AND RUBBER GASKET. ALIGNED AND CALIBRATED TO SPECS. BENCH CHECK GOOD. - [SDR HEEA966664](https://openairdocs.org/sdr/HEEA966664), Feb 6, 1996: INDICATOR. DEFECTIVE. #1 AND #2 NEEDLES HAVE A 10% TORQUE SPLIT. --- 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.