# Messerschmitt BO105CBS - Type: Aircraft model (FAA registry) - Registry code: 5626008 - Manufacturer (registry): MESSERSCHMITT - Model: BO105CBS - Aircraft type: Rotorcraft - Category: Rotorcraft - Engines: 2 · Turbo-shaft - Seats: 6 - Weight class: Up to 12,499 lb - Certification: Type certificated - Registered aircraft: 3 - Page: https://openairdocs.org/model/messerschmitt-bo105cbs Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker. ## ADs that may apply (OpenAirDocs) Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. None matched. ## Registered aircraft (3) - [N105LC](https://openairdocs.org/aircraft/N105LC): [Centerline Holdings Inc](https://openairdocs.org/faa-owner/CENTERLINE%20HOLDINGS%20INC), [Camden, DE](https://openairdocs.org/faa-place/DE/Camden), built 1988, S/N S789 - [N326MH](https://openairdocs.org/aircraft/N326MH): [Maritime Helicopters Inc](https://openairdocs.org/faa-owner/MARITIME%20HELICOPTERS%20INC), [Homer, AK](https://openairdocs.org/faa-place/AK/Homer), built 1988, S/N S-803 - [N800PH](https://openairdocs.org/aircraft/N800PH): [Tomlinson Aviation Inc](https://openairdocs.org/faa-owner/TOMLINSON%20AVIATION%20INC), [Ormond Beach, FL](https://openairdocs.org/faa-place/FL/Ormond%20Beach), built 1988, S/N S-800 ## NTSB investigations (5) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB NYC07LA149](https://openairdocs.org/ntsb/NYC07LA149), May 28, 2007: Messerschmitt BO-105 (N911GB), Isla de Vieques, PR, substantial damage. Probable cause: The mechanic's failure to secure the engine governor locking hardware, which resulted in the right engine losing power. - [NTSB MIA99FA250](https://openairdocs.org/ntsb/MIA99FA250), Sep 10, 1999: Mbb BO105CBS (N911HR), Kenansville, FL, substantial damage. Probable cause: The pilots failure to recognize entry into settling with power during approach to land and his failure to take remedial action to escape from settling with power resulting in the helicopter… - [NTSB NYC92T#A01](https://openairdocs.org/ntsb/NYC92T%23A01), Jul 27, 1992: MBB BO-105CBS (N729RJ), Brooklyn, NY, substantial damage - [NTSB LAX91TF#09](https://openairdocs.org/ntsb/LAX91TF%2309), Jul 25, 1991: MBB BO-105 (N5EG), Mercury, NV, destroyed - [NTSB ANC91LA026](https://openairdocs.org/ntsb/ANC91LA026), Feb 10, 1991: MBB BO-105-CBS-4 (N5413D), Valdez, AK, substantial damage. Probable cause: WAS THE PILOT-IN-COMMAND'S FAILURE TO PROPERLY USE THE APPROVAL CHECKLIST, IMPROPER PROCEDURES AND DIRECTIVES. ## FAA accident and incident reports (6) 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. - [Accident 20070527012199A](https://openairdocs.org/incident/20070527012199A), May 27, 2007: Bolkms BO105CBS (N911GB), Vieques, Puerto Rico, Substantial damage. (-23) Helicopter was taking off from small hospital landing area. Upon takeoff, pilot noticed partial power loss/engine failure. Pilot commenced an… - [Accident 19990910042419A](https://openairdocs.org/incident/19990910042419A), Sep 10, 1999: Bolkms BO105CBS (N911HR), Kenansville, FL, Substantial damage. (-23) While responding to an accident scene on the Florida turnpike N911HR.a BO-105 helicopter crashed on final approach to the landing site. The pilot states… - [Incident 19971006030419I](https://openairdocs.org/incident/19971006030419I), Oct 6, 1997: Bolkms BO105CBS (N54197), Gulf Of Mex, LA. Experienced an N2 engine fire warning light immediately after takeoff, shut down engine plane would not sustain flight. (-23) during cruise flight over the… - [Incident 19960427012439I](https://openairdocs.org/incident/19960427012439I), Apr 27, 1996: Bolkms BO105CBS (N25SE), Olean, NY, Minor damage. Narrative: on April 27, 1996 at 1300 EDT, a BO-105 helicopter struck a bird and damaged left front windshield while en-route to buffalo. A precautionary… - [Incident 19950510025629I](https://openairdocs.org/incident/19950510025629I), May 10, 1995: Bolkms BO105CBS (N54197), Cameron, LA. Torque split, kept dropping. Loose rotor RPM. Landed offshore platform. Hole found bottom right transfer tube. - [Accident 19910210001909A](https://openairdocs.org/incident/19910210001909A), Feb 10, 1991: Bolkms BO105CBS (N5413D), Valdez, AK, Substantial damage. Lost power on overwater climbout and ditched. Had failed to turn on required boost pump switches. ## Service difficulty reports (158, newest 50) As reported by operators and repair stations, by the model named in the report. - [SDR HDNA20160917012](https://openairdocs.org/sdr/HDNA20160917012), Sep 17, 2016: ENGINE. MAKING METAL. AT CRUISE, THE MAG PLUG 2 WARNING LIGHT ILLUMINATED. REDUCED POWER TO ESTABLISH A SUITABLE OEI CONDITION AND CALLED FOR THE APPLICABLE RFM EMERGENCY PROCEDURE C - [SDR HDNA2016031600003](https://openairdocs.org/sdr/HDNA2016031600003), Mar 16, 2016: SKIN. CRACKED. TOP SKIN, PN 105-30251.57, OF TAIL BOOM, FOUND CRACKED DURING INSPECTION. CRACK IS LOCATED ON LT SIDE TOP SKIN, RT BEFORE THE VERTICAL FIN TRANSITION ON THE TAI - [SDR EOPA20121002494](https://openairdocs.org/sdr/EOPA20121002494), Oct 2, 2012: FRAME. CRACKED. TAILBOOM FRAME 10L, FOUND CRACKED DURING INSPECTION. - [SDR EOPA20111108492](https://openairdocs.org/sdr/EOPA20111108492), Nov 4, 2011: STRINGER. CRACKED. TWO SMALL CRACKS IN TRANSMISSION DECK STRINGERS. LOCATED BETWEEN HYD PACK AND TRANSMISSION. - [SDR 2011FA0000681](https://openairdocs.org/sdr/2011FA0000681), Oct 9, 2011: INDICATOR. FALSE INDICATION. THE PORTION OF THE FUEL GAUGE THAT INDICATES FUEL LEVEL IN THE SUPPLY TANK WENT TO ZERO IN FLIGHT. PILOT HAD JUST CHECKED IT A FEW MINUTES BEFORE. THIS INDICATE - [SDR 2009FA0000376](https://openairdocs.org/sdr/2009FA0000376), Apr 27, 2009: SOCKET. LOOSE. LIGHT SOCKET WILL NOT STAY IN RECEPTACLE. FOUND CAUSE TO BE WORK CATCH OF ASSEMBLY. AGE COULD BE MAIN FACTOR, 27 YRS OLD. (K) - [SDR U0GA2008090478074](https://openairdocs.org/sdr/U0GA2008090478074), Sep 4, 2008: WIRE. BROKEN. NR 2 ENGINE FIRE LIGHT ILLUMINATED IN FLIGHT. FOUND 2 BROKEN WIRES ON UPPER FIRE DETECTOR. REPLACED 2 TERMINAL ENDS AND OPS CHECK GOOD. - [SDR U0GA119634](https://openairdocs.org/sdr/U0GA119634), May 9, 2008: ENGINE. INOPERATIVE. DURING APPROACH, ENGINE 2 MADE EXPLOSIVE SOUND, NG WENT TO 0 TORQUE WENT TO 0. FUEL SUPPLY WAS CUT OFF, ENGINE 1 WAS INCREASED TO MAX AND A RUN ON LANDING WAS M - [SDR U0GA119633](https://openairdocs.org/sdr/U0GA119633), May 9, 2008: ENGINE. INOPERATIVE. UPON LANDING, ENGINE 2 MADE AND EXPLOSIVE SOUND. NG WENT TO 0 TORQUE WENT TO 0. FUEL SUPPLY TO ENGINE TO WAS CUT OFF, ENGINE 1 WAS INCREASED TO MAX POWER AND A - [SDR U0GA114547](https://openairdocs.org/sdr/U0GA114547), Mar 19, 2007: TERMINAL. UNKNOWN. IN FLIGHT FROM GIBSON TO HOUMA - [SDR HEEA111184](https://openairdocs.org/sdr/HEEA111184), Sep 14, 2006: GUIDE. UNKNOWN. WHILE ENROUTE, HYD BLOCK AND HYD ONE LIGHTS ILLUMINATED. REPLACED GUIDE ASSY. - [SDR U0GA110238](https://openairdocs.org/sdr/U0GA110238), Jul 11, 2006: FIRE DETECTOR. MALFUNCTIONED. BEFORE TDP, FIRE LIGHT ENGINE NUMBER 2 ILLUMINATED, AFTER REJECTED TAKE-OFF AND LAND, LIGHT TURNED OFF. - [SDR U0GA108621](https://openairdocs.org/sdr/U0GA108621), Apr 4, 2006: FIRE DETECTOR. ILLUMINATED. DURING LANDING AT AN OFFSHORE PLATFORM THE #1 ENGINE FIRE LIGHT ILLUMINATED. A/C LANDED AND SHUT DOWN WITHOUT INCIDENT. - [SDR HDNR200500002](https://openairdocs.org/sdr/HDNR200500002), Aug 9, 2005: TURBINE WHEEL. SEPARATED. ENGINE LOST POWER IN FLIGHT. UPON INSPECTION OF THE TURBINE, THE 2ND STAGE TURBINE WHEEL WAS FOUND TO HAVE 1 BLADE MISSING WHICH SUBSEQUENTLY CAUSED SIGNIFICANT - [SDR HDNR200500001](https://openairdocs.org/sdr/HDNR200500001), Aug 4, 2005: HOUSING. DEBONDED. OIL NOT SCAVENGING. OIL EMPTIED FROM AIRCRAFT TANK TO ENGINE GEARBOX DURING GROUND OPERATION. FOUND THAT THE SEALANT THAT SOME OVERHAUL VENDORS PUT IN THE BACK - [SDR CA050614005](https://openairdocs.org/sdr/CA050614005), May 27, 2005: HOUSING. CRACKED. (CAN) THIS UNIT WAS RECEIVED FROM THE USA FOR ROUTINE SERVICING/MAINTENACE. DURING DISASSEMBLY A CRACK WAS DISCOVERED BETWEEN THE LEE PLUG AND THE OPENING OF TH - [SDR CA030811001](https://openairdocs.org/sdr/CA030811001), Aug 8, 2003: FREEWHEEL UNIT. FAILED. (CAN) THIS TRANSMISSION RECEIVED FROM AN OPERATOR WITH PARTIAL DISASSEMBLY. LT FREEWHEEL CLUTCH SHATTERED. OUTER CAGE BROKEN IN ONE PLACE. INNER CAGE BROKEN IN - [SDR CA030516005](https://openairdocs.org/sdr/CA030516005), May 16, 2003: MANIFOLD. FAILED. (CAN) THIS UNIT WAS RECEIVED FOR REPAIR. DURING INCOMING FUNCTIONAL CHECK IT WAS NOTED THAT THE CHANGE OVER FROM SYSTEM 1 TO 2 WAS VERY SLUGGISH & STIFF. DISASS - [SDR ERAA086448](https://openairdocs.org/sdr/ERAA086448), Apr 25, 2003: BLEED VALVE. FAILED. BLEED VALVE / COMPRESSOR STALL : OVERHAULED BLEED VALVE CHANGED NECESSARY PARTS.. - [SDR ERAA086447](https://openairdocs.org/sdr/ERAA086447), Apr 25, 2003: BOLT. WORN. PRIMARY BLADE BOLTS ARE WORN. BOTTOM COVER CRACKED THROUGH BOLT THREADS BROKEN. DISSEMBLED AND CLEANED. PERFORMED VISUAL & NDT INSPECTIONS. SCRAPPED BOTTOM COVE - [SDR ERAA086440](https://openairdocs.org/sdr/ERAA086440), Apr 25, 2003: FLOAT. LEAKING. 7 HOLES FOUND AS INDICATED ON BAG, PATCHED ALL PINHOLES IAW 25-60-95 - [SDR ERAA086436](https://openairdocs.org/sdr/ERAA086436), Apr 24, 2003: GEARBOX. MAKING METAL. GEARBOX MAKING METAL. 2 1/2 BEARING FAILED. OVERHAULED GEARBOX. COMPLIED WITH CEB A-1211 MAG PLUG INSP, CEB-A-1340 REMOVE PINION GEAR, CEB-A-1351, REPLACE OIL T - [SDR ERAA086435](https://openairdocs.org/sdr/ERAA086435), Apr 24, 2003: GOVERNOR. SPLIT. DOES NOT KEEP SPEED CAUSING TORQUE SPLIT. OVERHAULED IAW HONEYWELL OHM FORM 15-1095A. - [SDR ERAA086434](https://openairdocs.org/sdr/ERAA086434), Apr 24, 2003: GOVERNOR. MALFUNCTIONED. GOVERNOR HITS MAX STOP AT FULL BEEP WHEN COLLECTIVE IS UP. DROOPING, OVERSPEEDING EARLY, STIFF THROTTLE. REPAIRED AND TESTED IAW HONEYWELL OHM FORM 15-1095A. - [SDR ERAA086433](https://openairdocs.org/sdr/ERAA086433), Apr 11, 2003: NOZZLE. SEPARATED. NR 2 NOZZLE HAS SEPARATION FROM INNER BAND. - [SDR CA030405001](https://openairdocs.org/sdr/CA030405001), Apr 1, 2003: BEARING. SPALLED. (CAN) GEARBOX RECEIVED FROM A CUSTOMER IN THE USA. RT INPUT SPLIT INNER RACE BEARING PEELING/SPALLING. METAL CONTAMINATION CAUSED DAMAGE TO OTHER INTERNAL BEARI - [SDR HDNA084070](https://openairdocs.org/sdr/HDNA084070), Jan 31, 2003: CASE. CRACKED. ONE 4TH STAGE COMPRESSOR STATOR VANE BROKE OFF SEVERELY DAMAGING THE 4TH & 5TH STAGE COMPRESSOR BLADES WITH SUBSEQUENT COMPRESSOR STALLING AND LOW ENGINE POWER. - [SDR CA030123004](https://openairdocs.org/sdr/CA030123004), Jan 23, 2003: BEARING. SPINNING. (CAN) UNIT RECEIVED FROM THE USA. COLLECTOR GEAR ASSY BALL BEARING PN 4619303083 SPINNING IN BUSHING. INDICATION PICKED UP ON ELECTRICAL CHIP DETECTOR. - [SDR CA021021006](https://openairdocs.org/sdr/CA021021006), Oct 1, 2002: BEARING. MAKING METAL. (CAN) RT INPUT BEARING OUTER RACE PEELING/SPALLING.METAL PARTICLES FROM DAMAGED INPUT PINION. - [SDR CA021021002](https://openairdocs.org/sdr/CA021021002), Sep 18, 2002: BEARING. PEELING. (CAN) BEARING OUTER RACE PEELING/SPALLING. METAL PARTICLES FROM BEARING DAMAGED INPUT PINION . - [SDR CA021021004](https://openairdocs.org/sdr/CA021021004), Aug 28, 2002: BEARING. MAKING METAL. (CAN) RECEIVED WITH REPORT OF METAL CONTAMINATION. TEARDOWN REVEALED SUBJECT BEARING HAD PEELING ON ONE BALL ONLY. AREA OF MATERIAL LOSS WAS 30 PERCENT. - [SDR CA021021003](https://openairdocs.org/sdr/CA021021003), Aug 28, 2002: BEARING. PEELING. (CAN) BEARING PITTED AND PEELING - [SDR ERAA080464](https://openairdocs.org/sdr/ERAA080464), Jul 11, 2002: BOLT. CRACKED. SECONDARY BLADE BOLTS CRACKED UNDER HEAD IN RADIUS. SCRAPPED 3 EA SECONDARY BLADE BOLTS FOR CRACKS IAW MBB BO-105 MAINTENANCE MANUAL CHAPTER 13. - [SDR CA020507023](https://openairdocs.org/sdr/CA020507023), Apr 1, 2002: BEARING. SPALLED. (CAN) REMOVED FOR METAL CONTAMINATION. DISASSEMBLED OUTER RACE OF BEARING AND IT SHOWS SIGNS OF EXCESSIVE PEELING 14.5 MM BY 78 MM,AREA 1131 SQ MM. - [SDR CA020507024](https://openairdocs.org/sdr/CA020507024), Mar 27, 2002: BEARING. PEELING. (CAN) THIS TRANSMISSION RECEIVED FROM THE USA. REMOVED DUE TO METAL CONTAMINATION. ROLLER BEARING OUTER RACE SHOWED SIGNS OF EXCESSIVE PEELING. DAMAGE AREA 11 M - [SDR CA020206002](https://openairdocs.org/sdr/CA020206002), Feb 4, 2002: BEARING. SPALLED. (CAN) OUTER RACE AND TWO BALLS EXHIBIT SEVERE PEELING.TRUE INDICATION BY MAGNETIC PLUG.INTERNAL OIL PUMP FILTER CAPTURED NUMEROUS METAL FRAGMENTS.BEARING CAGE S - [SDR R7MR35308](https://openairdocs.org/sdr/R7MR35308), Jan 29, 2002: TRANSMITTER. INOPERATIVE. PRESSURE TRANSMITTER, UNIT INOPERATIVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. - [SDR CA011203005](https://openairdocs.org/sdr/CA011203005), Dec 3, 2001: BEARING. PEELING. (CAN) BOTH THE PLANETARY AXLE AND ROLLER BEARING PLATING PEELING. - [SDR CA020103001](https://openairdocs.org/sdr/CA020103001), Dec 1, 2001: BEARING. SPALLED. (CAN) GEARBOX RECEIVED FROM THE USA FOR INVESTIGATION OF METAL CONTAMINATION. UPON DISASSEMBLY THE SUBJECT BEARING SHOWS SIGNS OF EXCESSIVE PEELING ON ONE BALL, - [SDR CA011126001](https://openairdocs.org/sdr/CA011126001), Nov 22, 2001: BEARING. DAMAGED. (CAN) OUTER AND INNER RACE OF BEARING DISPLAY MODERATE PITTING AND PEELING.ONE BALL DISPLAYS HEAVY PITTING - [SDR CA011114017](https://openairdocs.org/sdr/CA011114017), Nov 14, 2001: BEARING. DEFECTIVE. (CAN) BOTH INNER AND OUTER RACE OF BEARING DISPLAYED MODERATE PITTING AND PEELING - [SDR CA011114016](https://openairdocs.org/sdr/CA011114016), Nov 2, 2001: BEARING. PEELING. (CAN) CHIP LIGHT INDICATION.GEARBOX DISASSEMBLED FOR INVESTIGATION.BEARING PLATING FOUND PEELING.REPLACED WITH NEW - [SDR RYMA33656](https://openairdocs.org/sdr/RYMA33656), Aug 29, 2001: TRANSMISSION. FAILED. MAKING METAL. TWO PRIOR PROBLEMS WITH MM WERE REPAIRED UNDER WARRANTY BY MFG. REPLACED WITH NEW UNIT CORRECTED PROBLEM. - [SDR 2001F00506](https://openairdocs.org/sdr/2001F00506), Aug 29, 2001: TRANSMISSION. MAKING METAL. MAIN ROTOR TRANSMISSION MAKING METAL. TWO PRIOR PROBLEMS WITH MM WERE REPAIRED UNDER WARRANTY BY ECL. REPLACED WITH NEW UNIT CORRECTED PROBLEM. (M) - [SDR 2001F00565](https://openairdocs.org/sdr/2001F00565), Aug 11, 2001: ENGINE. FLAMED OUT. DURING POWER ASSURANCE CHECK, AT 1000 FEET AGL NR 1 ENGINE WAS PULLED OFFLINE. JUST POWER TO IDLE DETENT. NR 1 ENGINE FLAMED OUT. ATTEMPTED AIR START, ENGINE WO - [SDR 2001F00604](https://openairdocs.org/sdr/2001F00604), Aug 3, 2001: TURBINE WHEEL. BROKEN. TURBINE RECEIVED FROM FIELD, REMOVED COMB CASE FOUND SULPHADATION ON NR 1 WHEEL. WHEEL HAS BROKEN BLADES DUE TO SULPHADATION. (M) - [SDR R7MR33378](https://openairdocs.org/sdr/R7MR33378), Apr 23, 2001: TRANSMITTER. FAILED. UNIT INOPERATIVE. OIL PRESSURE GAUGE PEGGED HIGH. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. - [SDR 20010517CW004](https://openairdocs.org/sdr/20010517CW004), Apr 19, 2001: WIRE. BROKEN. WHILE HOVERING TO REFUELING POINT, WIRE BROKEN OFF AT A TERMINAL END FOR THE NR 1 LOWER SENSOR. - [SDR 20010314CW001](https://openairdocs.org/sdr/20010314CW001), Feb 18, 2001: FIRE DETECTOR. SHORTED. DURING PRESTART CHECK. AFT PROBE SHORTED TO ELBOW ON ENGINE AIR SYSTEM. - [SDR R7MA78932441](https://openairdocs.org/sdr/R7MA78932441), Nov 22, 2000: TRANSMITTER. INOPERATIVE. OIL PRESSURE TRANSMITTER INOPERATIVE. NO PRESSURE INDICATION. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. All 158: https://openairdocs.org/model/messerschmitt-bo105cbs/reports.md --- 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.