# Messerschmitt-Bolkow-Blohm BO-105C

- Type: Aircraft model (FAA registry)
- Registry code: 5626036
- Manufacturer (registry): MESSERSCHMITT-BOLKOW-BLOHM
- Model: BO-105C
- Aircraft type: Rotorcraft
- Category: Rotorcraft
- Engines: 2 · Turbo-shaft
- Seats: 5
- Weight class: Up to 12,499 lb
- Certification: Type certificated
- Data sheet: [TCDS H3EU](https://openairdocs.org/tcds/H3EU) (OpenAirDocs)
- Holder: Airbus Helicopters Deutschland GmbH (AHD)
- Registered aircraft: 0
- Page: https://openairdocs.org/model/messerschmitt-bolkow-blohm-bo-105c

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.

- [AD 2025-25-05](https://openairdocs.org/ad/2025-25-05): Rotorcraft Flight Control · Airbus Helicopters Deutschland BO-105A, BO-105C, BO-105S and 6 more. Effective Dec 31, 2025
- [AD 2024-20-07](https://openairdocs.org/ad/2024-20-07): Emergency Equipment; Emergency Flotation Section · Apical Emergency Float Kit, P/N 20498 (STC SR00780LA or 12 others). Effective Dec 5, 2024
- [AD 2023-11-07](https://openairdocs.org/ad/2023-11-07): Ground Proximity System · Airbus Helicopters 47, 206, 210 and 237 more. Effective Jun 22, 2023
- [AD 2023-03-01](https://openairdocs.org/ad/2023-03-01): Main Rotor System · ECD Superlifter Conversion Kit 105-800331 (Eurocopter Deutschland STC SR00043RD). Effective Feb 21, 2023
- [AD 2022-24-07](https://openairdocs.org/ad/2022-24-07): Main Rotor Drive System · ECD Superlifter Conversion Kit 105-800331 (Eurocopter Deutschland STC SR00043RD). Effective Jan 6, 2023
- [AD 2021-13-14](https://openairdocs.org/ad/2021-13-14): Cabin Equipment/Furnishings · Airbus Helicopters Deutschland BO-105A, BO-105C, BO-105LS A-3 and 1 more. Effective Aug 17, 2021
- [AD 2021-10-21](https://openairdocs.org/ad/2021-10-21): Main Rotor System · Airbus Helicopters Deutschland BO-105A, BO-105C, BO-105LS A-3 and 9 more. Effective Jul 7, 2021
- [AD 2021-07-08](https://openairdocs.org/ad/2021-07-08): Main Rotor Mast/Swashplate · Airbus Helicopters Deutschland BO-105A, BO-105C, BO-105LS A-1 and 2 more. Effective Apr 30, 2021
- [AD 2021-05-07](https://openairdocs.org/ad/2021-05-07): Electrical Power System Wiring · Airbus Helicopters Deutschland BO-105A, BO-105C, BO-105S and 6 more. Effective Apr 16, 2021
- [AD 2017-05-03](https://openairdocs.org/ad/2017-05-03): Main Rotor Blade · Airbus Helicopters Deutschland BO-105C, BO-105LS A-3 and BO-105S. Effective Mar 17, 2017
- [AD 2015-19-14](https://openairdocs.org/ad/2015-19-14): Main Gear Box · Airbus Helicopters Deutschland BO-105A, BO-105C and BO-105S. Effective Nov 3, 2015
- [AD 2013-20-17](https://openairdocs.org/ad/2013-20-17): Turbine Section · Airbus Helicopters Deutschland BO-105C and BO-105S. Effective Dec 13, 2013
- [AD 2013-16-13](https://openairdocs.org/ad/2013-16-13): Tail Rotor Head · Airbus Helicopters Deutschland BO-105A, BO-105C, BO-105LS A-1 and 8 more. Effective Sep 27, 2013
- [AD 2013-16-06](https://openairdocs.org/ad/2013-16-06): Main Rotor Blades · Airbus Helicopters Deutschland BO-105A, BO-105C, BO-105LS A-1 and 2 more. Effective Sep 13, 2013
- [AD 2013-11-15](https://openairdocs.org/ad/2013-11-15): Main Rotor Control · Airbus Helicopters Deutschland BO-105A, BO-105C, BO-105LS A-1 and 14 more. Effective Jul 26, 2013
- [AD 2011-25-01](https://openairdocs.org/ad/2011-25-01): Liferafts · Agusta AB412, AB412 EP, 206A and 23 more. Effective Jan 17, 2012
- [AD 2000-26-01](https://openairdocs.org/ad/2000-26-01): Tension-Torsion (TT) Strap · Airbus Helicopters Deutschland BO-105C. Effective Jan 26, 2001
- [AD 2000-17-08](https://openairdocs.org/ad/2000-17-08): Tension-Torsion (TT) Strap · Airbus Helicopters Deutschland BO-105A, BO-105C, BO-105LS A-1 and 1 more. Effective Oct 2, 2000
- [AD 96-08-04](https://openairdocs.org/ad/96-08-04): Tandem Hydraulic System · Airbus Helicopters Deutschland BO-105A, BO-105C, BO-105LS A-1 and 1 more. Effective May 22, 1996
- [AD 90-23-08](https://openairdocs.org/ad/90-23-08): Continuous Ignition System · Airbus Helicopters Deutschland BO-105C and BO-105S. Effective Dec 3, 1990
- [AD 87-26-02 R1](https://openairdocs.org/ad/87-26-02-R1): Main Rotor Control Rods · Airbus Helicopters Deutschland BO-105A, BO-105C, BO-105LS A-1 and 2 more. Effective Sep 26, 1989
- [AD 87-09-03](https://openairdocs.org/ad/87-09-03): Rotor Blade Bolts · Airbus Helicopters Deutschland BO-105A, BO-105C, BO-105LS A-1 and 6 more. Effective Aug 26, 1988
- [AD 87-19-01](https://openairdocs.org/ad/87-19-01): Stc Sh479gl Labels · Lubrication oil scavenge filter is installed in the existing… (Facet Filter Products STC SH1853SO or 3 others). Effective Dec 18, 1987
- [AD 85-26-02](https://openairdocs.org/ad/85-26-02): Hydraulic Actuator · Airbus Helicopters Deutschland BO-105A, BO-105C and BO-105S. Effective Feb 25, 1986
- [AD 85-08-01](https://openairdocs.org/ad/85-08-01): Vertical Fin Spar And Skins · Airbus Helicopters Deutschland BO-105A, BO-105C and BO-105S. Effective Apr 26, 1985
- [AD 81-03-01](https://openairdocs.org/ad/81-03-01): Drive Shafts · Airbus Helicopters Deutschland BO-105A, BO-105C and BO-105S. Effective Jan 29, 1981
- [AD 80-16-01 R1](https://openairdocs.org/ad/80-16-01-R1): Engine Cowling Assemblies · Airbus Helicopters Deutschland BO-105A, BO-105C and BO-105S. Effective Sep 19, 1980
- [AD 80-10-02](https://openairdocs.org/ad/80-10-02): Tail Rotor System · Airbus Helicopters Deutschland BO-105A, BO-105C and BO-105S. Effective May 1, 1980
- [AD 79-24-06](https://openairdocs.org/ad/79-24-06): Tail Rotor Blades · Airbus Helicopters Deutschland BO-105A, BO-105C and BO-105S. Effective Dec 10, 1979
- [AD 78-19-03](https://openairdocs.org/ad/78-19-03): Safety Belts · Airbus Helicopters Deutschland BO-105A, BO-105C and BO-105S. Effective Oct 18, 1978
- [AD 77-21-07](https://openairdocs.org/ad/77-21-07): Wiring · Airbus Helicopters Deutschland BO-105A and BO-105C. Effective Nov 14, 1977
- [AD 77-16-07](https://openairdocs.org/ad/77-16-07): Main Rotor Gearbox · Airbus Helicopters Deutschland BO-105A and BO-105C. Effective Sep 6, 1977
- [AD 77-15-01](https://openairdocs.org/ad/77-15-01): Tail Rotor Drive System · Airbus Helicopters Deutschland BO-105A and BO-105C. Effective Jul 28, 1977
- [AD 77-11-02](https://openairdocs.org/ad/77-11-02): Main Rotor · Airbus Helicopters Deutschland BO-105A, BO-105C and BO-105S. Effective Jun 14, 1977
- [AD 77-08-07](https://openairdocs.org/ad/77-08-07): External Load Release · Airbus Helicopters Deutschland BO-105A and BO-105C. Effective May 6, 1977
- [AD 76-26-05](https://openairdocs.org/ad/76-26-05): Rotor Brake · Airbus Helicopters Deutschland BO-105A and BO-105C. Effective Jan 6, 1977
- [AD 76-18-10](https://openairdocs.org/ad/76-18-10): Engine mount assembly · Airbus Helicopters Deutschland BO-105A and BO-105C. Effective Oct 1, 1976
- [AD 76-18-09](https://openairdocs.org/ad/76-18-09): Main Rotor Actuator · Airbus Helicopters Deutschland BO-105A and BO-105C. Effective Oct 1, 1976
- [AD 75-17-27](https://openairdocs.org/ad/75-17-27): Main Rotor Head Assembly · Airbus Helicopters Deutschland BO-105A and BO-105C. Effective Aug 20, 1975
- [AD 75-17-13](https://openairdocs.org/ad/75-17-13): Tail Rotor Blade Tip Cap · Airbus Helicopters Deutschland BO-105A and BO-105C. Effective Aug 18, 1975
- [AD 84-16-01](https://openairdocs.org/ad/84-16-01): Tail Rotor Blade Inspection · Airbus Helicopters Deutschland BO-105A, BO-105C and BO-105S
- [AD 75-14-02](https://openairdocs.org/ad/75-14-02): Rotor Hub Quadruple Nuts · Airbus Helicopters Deutschland BO-105A and BO-105C
- [AD 75-14-01](https://openairdocs.org/ad/75-14-01): Hose Assemblies · Airbus Helicopters Deutschland BO-105A and BO-105C

Historical (superseded or no longer in force):

- [AD 2021-23-13](https://openairdocs.org/ad/2021-23-13) (historical): Ground Proximity System · Airbus Helicopters K-225, K-190A, K-240 and 237 more. Effective Dec 9, 2021
- [AD 2021-10-14](https://openairdocs.org/ad/2021-10-14) (historical): Main Rotor System · Airbus Helicopters Deutschland BO-105A, BO-105C, BO-105LS A-3 and 1 more. Effective Jun 24, 2021
- [AD 2019-07-07](https://openairdocs.org/ad/2019-07-07) (historical): Main Rotor System · Airbus Helicopters Deutschland BO-105A, BO-105C, BO-105LS A-3 and 9 more. Effective May 24, 2019
- [AD 2002-13-06](https://openairdocs.org/ad/2002-13-06) (historical): Tension-torsion (T-T) straps · Airbus Helicopters Deutschland BO-105A, BO-105C, BO-105LS A-1 and 1 more. Effective Jul 15, 2002
- [AD 99-24-05](https://openairdocs.org/ad/99-24-05) (historical): Tension Torsion (TT) Strap · Eurocopter Deutschland BO-105C. Effective Dec 3, 1999
- [AD 99-19-22](https://openairdocs.org/ad/99-19-22) (historical): TT Strap · Eurocopter Deutschland BO-105A, BO-105C, BO-105LS A-1 and 1 more. Effective Oct 25, 1999
- [AD 97-26-02](https://openairdocs.org/ad/97-26-02) (historical): Main Rotor Mast Flange Crack Inspection · Airbus Helicopters Deutschland BO-105A, BO-105C, BO-105LS A-1 and 2 more. Effective Dec 31, 1997
- [AD 77-04-06](https://openairdocs.org/ad/77-04-06) (historical): Main Rotor Gearbox · Airbus Helicopters Deutschland BO-105A and BO-105C. Effective Aug 23, 1979

## Information bulletins (advisory) (1)

- [SAIB SW-08-42](https://openairdocs.org/saib/SW-08-42): Emergency Float with Liferaft Kits (kits). Issued Aug 27, 2008

## Registered aircraft

None registered with this model now.

## NTSB investigations

None matched to aircraft with this model.

## FAA accident and incident reports

None matched to aircraft with this model.

## Service difficulty reports (111, newest 50)

As reported by operators and repair stations, by the model named in the report.

- [SDR CA120305004](https://openairdocs.org/sdr/CA120305004), Mar 5, 2012: ELEMENT. FAILED. (CAN) HEATER SYS WAS PLUGGED IN AND A ODOR OF BURNING PLASTIC/WIRE WAS SMELLED AND THE 7.5A BREAKER POPPED. UNIT UNPLUGGED UPON RETURN THE NEXT DAY TO BASE THE 
- [SDR CA060216002](https://openairdocs.org/sdr/CA060216002), Jan 24, 2006: CALIPER. BINDING. (CAN) PISTON DOES NOT RETRACT INTO CALIPER HOUSING AFTER BRAKING CAUSING ROTOR BRAKE PAD TO REMAIN IN CONTACT WITH BRAKE DISC. (TC NR 20060216002)
- [SDR CA040712003](https://openairdocs.org/sdr/CA040712003), Jun 30, 2004: BEARING RACE. SPALLED. (CAN) TRANSMISSION SENT FOR OVERHAUL DUE TO METAL CONTAMINATION DETECTED WITH A CHIP LIGHT INDICATION. AFTER DISSASSEMBLY BEARING OUTER RACE FOUND TO HAVE SPALL
- [SDR ERAA097116](https://openairdocs.org/sdr/ERAA097116), Jun 24, 2004: OIL COOLER. CONTAMINATED. OIL COOLER RETURNED FROM OVERHAUL AT DRAKE AIR WITH DEBRIS AND FOREIGN OBJECTS (GRASS) IN BETWEEN COOLING FINS AND CASE. RETURNING ON ERA REPAIR ORDER RW-900233
- [SDR ERAA097085](https://openairdocs.org/sdr/ERAA097085), Apr 29, 2004: TRANSMISSION. MAKING METAL. FOUND UNACCEPTABLE AMOUNTS OF ALUMINUM, BRONZE AND METAL FLAKES IN OIL FILTER. BUSHINGS MISSING IN INTERMEDIATE SHAFT BOLT HOLE BORES. NO DRY LUBE ON BEVEL GEAR
- [SDR CA030918001](https://openairdocs.org/sdr/CA030918001), Sep 8, 2003: WASHER. MISSING. (CAN) AFTER INSTALLATION OF TURBINE ASSEMBLY ON ENGINE, GROUND RUNS WERE BEING DONE. OIL WAS NOTICED LEAKING EXCESSIVELY FROM THE NR 6 & 7 OIL PRESSURE TEE FITT
- [SDR CA030903002](https://openairdocs.org/sdr/CA030903002), Sep 1, 2003: MANIFOLD. FAILED. (CAN) THE INDICATOR LIGHT FOR THE NR 1 HYD SYS WILL NOT EXTINGUISH WHEN POWERED BY THE HYDRAULIC CART NOR WILL THE RESERVOIR DRAIN INTO THE HYDRAULIC CART. (SUS
- [SDR CA030724001](https://openairdocs.org/sdr/CA030724001), Jul 7, 2003: SOLENOID. SHORTED. (CAN) WHEN CARGO HOOK ELECTRICAL RELEASE IS ACTIVATED THE SYSTEM CIRCUIT BREAKER OPENS. FOUND ELECTRICAL SOLENOID INTERNALLY SHORTED.
- [SDR CA030605013](https://openairdocs.org/sdr/CA030605013), May 30, 2003: BOLT. LOOSE. (CAN) DURING INSPECTION TO COMPLY WITH AIRCRAFT SERVICES CAMPAIGN NOTICE 351-73-20-12 THE BOLT CONNECTING THE N2 CONTROL CABLES TO THE N2 LEVER ASSEMBLY WAS FOU
- [SDR CA030602006](https://openairdocs.org/sdr/CA030602006), May 23, 2003: BOLT. WRONG PART. (CAN) WHILE COMPLYING WITH FLEET CAMPAIGN NOTICE 351-73-20-12 IT WAS FOUND THAT THE BOLT CONNECTING THE TWO N2 GOVERNOR CABLES TOO THE HYD PACK WAS TOO SHORT, O
- [SDR CA030602005](https://openairdocs.org/sdr/CA030602005), May 23, 2003: BOLT. INCORRECT. (CAN) WHILE COMPLYING WITH FLEET CAMPAIGN NOTICE 351-73-20-12 IT WAS FOUND THAT THE BOLT CONNECTING THE TWO NR 2 GOVERNOR CABLES TOO THE HYD PACK WAS TOO SHORT,
- [SDR CA030527009](https://openairdocs.org/sdr/CA030527009), May 3, 2003: SHAFT. SHEARED. (CAN) ONE MINUTE AFTER TAKEOFF DURING A FLIGHT TEST FOR COMPRESSOR STALL, THE NR 2 ENGINE OVER SPEED. THE AIRCRAFT FLEW BACK TO BASE IMMEDIATELY WITH NO FURTHER
- [SDR CA030502003](https://openairdocs.org/sdr/CA030502003), Apr 30, 2003: BOLT. LOOSE. (CAN) ON APPROACH, PILOT APPLIED COLLECTIVE PITCH AND NOTICED NR 1 TORQUE SPLIT AWAY FROM NR 2 ENG TORQUE. FURTHER APPLICATION MADE MATTERS WORSE. AFTER LANDING
- [SDR CA030405002](https://openairdocs.org/sdr/CA030405002), Apr 3, 2003: BEARING. PEELING. (CAN) OUTPUT QUILL TAPERED ROLLER BEARING INNER RACE PEELING.
- [SDR CA030327004](https://openairdocs.org/sdr/CA030327004), Mar 21, 2003: BEARING. SPALLED. (CAN) RT INPUT SPLIT INNER RACE BALL BEARING PEELING/SPALLING.VOLUME OF METAL CONTAMINATION CAUSED COLLATERAL DAMAGE TO ALL OTHER INTERNAL BEARINGS AND COMPONEN
- [SDR CA030321006](https://openairdocs.org/sdr/CA030321006), Mar 20, 2003: STUD. LOOSE. (CAN) A STUD BACKED OUT OF THE ENGINE GEARBOX AND SUBSEQUENTLY MADE CONTACT WITH A ROTATING BOLT THAT SECURES THE TRANSMISSION DRIVE SHAFT WITH THE ENGINE STUB 
- [SDR ERAA085151](https://openairdocs.org/sdr/ERAA085151), Feb 13, 2003: WIRE. BROKEN. GUIDE ASSY ON DUAL HYD PACK WILL NOT RESET. FOUND BROKEN WIRES. DISASSEMBLED, CLEANED, INSPECTED, ISTALLED NEW SOCKET AND POTTED & INSTALLED NEW FLAT SPRING & T
- [SDR CA030103015](https://openairdocs.org/sdr/CA030103015), Jan 3, 2003: GOVERNOR. MALFUNCTIONED. (CAN) TORQUE SPLIT OF 8 PERCENT REPORTED IN CRUISE. TEST FLIGHT REVEALED THAT BOTH GOVENORSWERE CAUSING THEIR RESPECTIVE N1 TO FLUCTUATE. BOTH GOVENORS WERE REP
- [SDR ERAA082715](https://openairdocs.org/sdr/ERAA082715), Nov 20, 2002: GOVERNOR. MALFUNCTIONED. CANNOT MAKE FINE ADJUSTMENTS TO ACHIEVE MAX BEEP. UNIT HAD DROOP. CHANGE BUSHING, D BEARING, L BEARINGS, W BEARINGS, TUBE DIAPHRAGM. REPAIRED AND FUNCTIONALLY T
- [SDR ERAA082709](https://openairdocs.org/sdr/ERAA082709), Nov 19, 2002: SLEEVE. STIFF. TRANSMISSION SLIDING SLEEVE STIFF.
- [SDR CA021119001](https://openairdocs.org/sdr/CA021119001), Nov 18, 2002: CABLE. BROKEN. (CAN) THE AIRCRAFT EXPERIENCED AN IN FLIGHT LOSS OF IT'S SLING LOAD. INVESTIGATION REVEALED THAT THE SWAGED END OF THE EMERGENCY RELEASE CABLE HAD COMPLETELY SE
- [SDR ERAA082706](https://openairdocs.org/sdr/ERAA082706), Nov 15, 2002: TRANSMISSION. MAKING METAL. TRANSMISSION MAKING METAL. OIL MANIFOLD, TEMP PLUG & SWASHPLATE DRIVE LINK BUSHING NOT INSTALLED ON TRANSMISSION. PLANETARY AXLE BREAKING DOWN. SCRAPPED 1 GEAR,
- [SDR CA030103014](https://openairdocs.org/sdr/CA030103014), Oct 31, 2002: FUEL CONTROL. FAILED. (CAN) TORQUE SPLIT REPORTED OF 6 TO 8 PERCENT IN CRUISE. AFTER A TEST FLIGHT TO DETERMINE WHICH GOVENOR WAS AT FAULT IT WAS DETERMINED THAT THE FCU WAS THE CAUS
- [SDR ERAA081156](https://openairdocs.org/sdr/ERAA081156), Sep 25, 2002: GEARBOX. MISREPAIRED. TAILROTOR GEARBOX HAS NO THREAD SEALANT ON STUDS. C/W PRELIMINARY INSPECTION AND FOUND NO OBVIOUS DEFECTS. SIGNED T/R G/B OUT ON HOLD BOARD. DRILLED OUT LOCKS O
- [SDR ERAA081155](https://openairdocs.org/sdr/ERAA081155), Sep 25, 2002: GEARBOX. MISREPAIRED. HOUSING RECEIVED WITHOUT THREAD SEALANT. CHECKED GEARBOX OUT ON HOLD BOARD, C/W PRELIMINARY INSPECTION. NO DEFECTS NOTED, DRILLED OUT LOCKS ON 2 STUDS, APPLIED 
- [SDR CA020903003](https://openairdocs.org/sdr/CA020903003), Aug 13, 2002: TRACK. BROKEN. (CAN) LT AFT SLIDING WINDOW TRACK BONDING FAILURE TO WINDOW PANEL WHEN TRACK BONDING FAIL THE SLIDING WINDOW FLEW AWAY FROM AIRCRAFT. BONDING OF WINDOW TRACK TO
- [SDR CA020813009](https://openairdocs.org/sdr/CA020813009), Aug 13, 2002: TRACK. DEBONDED. (CAN) LT AFT SLIDING WINDOW TRACK BONDING FAILURE TO WINDOW PANEL. WHEN TRACK BONDING FAILED, THE SLIDING WINDOW FLEW AWAY FROM THE AIRCRAFT. HELICOPTER LANDED 
- [SDR CA020903012](https://openairdocs.org/sdr/CA020903012), Aug 3, 2002: BRACKET. DEFORMED. (CAN) THE TWO BOLTS THAT HOLDS THE TAIL ROTOR SHAFT OUTER RING BEARING TO THE BEARING BRACKET AT THE FRAME. BOLTS BECAME LOOSE OVER A PERIOD OF 40 HOURS SINCE L
- [SDR CA020813003](https://openairdocs.org/sdr/CA020813003), Aug 3, 2002: BRACKET. LOOSE. (CAN) THE 2 BOLTS THAT HOLD THE TAIL ROTOR SHAFT OUTER RING BEARING TO THE BEARING BRACKET AT FRAME 9 LT BECAME LOOSE OVER A PERIOD OF 40 HOURS FROM LAST INSPEC
- [SDR CA020715009](https://openairdocs.org/sdr/CA020715009), Jul 12, 2002: TRANSMISSION. MAKING METAL. (CAN) ONE CHIP LIGHT OCCURRENCE. CHIP PLUG AND FILTER INSPECTED AND AN EXCESSIVE AMOUNT OF MAGNETIC PARTICLES WERE FOUND. THE FILTER HAD BEEN INSPECTED 10 HRS P
- [SDR CA020718001](https://openairdocs.org/sdr/CA020718001), Jul 11, 2002: TRANSMISSION. MAKING METAL. (CAN) WHILE IN NORMAL CRUISE CONFIGURATION "MAIN TRANSMISSION" LIGHT ILLUMINATED. PILOT ACTIVATED PULSE CHIP DETECTOR SYSTEM AND LIGHT EXTINQUISHED. THE LIGHT R
- [SDR CA020627008](https://openairdocs.org/sdr/CA020627008), Jun 14, 2002: PUMP. FAILED. (CAN) SUPPLY FUEL BOOST PUMP FAILED.
- [SDR CA030602003](https://openairdocs.org/sdr/CA030602003), May 29, 2002: BOLT. INCORRECT. (CAN) WHILE COMPLYING WITH FLEET CAMPAIGN NOTICE 351-73-20-12 IT WAS FOUND THAT THE BOLT CONNECTING THE TWO NR 2 GOVERNOR CABLES TO THE HYDRAULIC PACK WAS TOO S
- [SDR CA020607004](https://openairdocs.org/sdr/CA020607004), May 29, 2002: SPRING. BROKEN. (CAN) DURING A OPS NR 1 ON RT ENGINE, THE SPRING P/N 105-60583.12 WAS FOUND BROKEN.SPRING WAS REPLACED WITH A NEW SPRING P/N 105-60583.12.
- [SDR CA020530001](https://openairdocs.org/sdr/CA020530001), May 29, 2002: SPRING. BROKEN. (CAN) DURING OPERATION 1 ON RT ENGINE, THE SPRING (GOVERNOR LEVER RETURN SPRING) WAS FOUND BROKEN AND REPLACED WITH A NEW SPRING.
- [SDR ERAA079871](https://openairdocs.org/sdr/ERAA079871), May 3, 2002: STRUCTURE. CRACKED. 90 DEGREE GEARBOX FITTING EXFOLIATED / INNER GRAINULAR CORROSION, CRACKED HORIZONTAL STABILIZER DOUBLER LEFT SIDE, SEVERAL CORRODED RIVETS & NUT PLEATER. INSTAL
- [SDR CA020425001](https://openairdocs.org/sdr/CA020425001), Apr 4, 2002: EXCITER. FAILED. (CAN) NO LIGHT OFF DUE TO FAULTY PART. CAN CAUSE A REAL PROBLEM IN REMOTE AREA.
- [SDR CA011211001](https://openairdocs.org/sdr/CA011211001), Dec 7, 2001: DRAIN LINE. CHAFED. (CAN) DRAIN LINE CHAFING ON FUEL CONTROL TO FUEL PUMP BYPASS TUBE P/N 6859172 TUBE IS 99 PERCENT CHAFED.
- [SDR CA011207002](https://openairdocs.org/sdr/CA011207002), Dec 7, 2001: TUBE. CHAFED. (CAN) DRAIN LINE CHAFING ON FUEL CONTROL TO FUEL PUMP BY PASS TUBE IS 99 PERCENT CHAFED.
- [SDR DFM2001F00000](https://openairdocs.org/sdr/DFM2001F00000), Dec 2, 2001: SWITCH. INTERMITTENT. 25 MINUTES INTO REPOSITIONING FLIGHT NR 1 ENGINE N1 DECREASED SLOWLY. ATTEMPT TO REGAIN OPERATING NR 1 UNSUCCESSFUL. PILOT INITIATED SINGLE ENGINE PROCEDURES TO
- [SDR CA011105016](https://openairdocs.org/sdr/CA011105016), Oct 5, 2001: GEARBOX. MAKING METAL. (CAN) ON ENGINE START UP - PILOT REPORTED MGB CHIP LIGHT ON, PULSED OFF AND 4 SECONDS LATER LIGHT BACK ON. ENGINE SHUT DOWN, MAG PLUG PULLED 2 SMALL FLAKED AND 
- [SDR EHA2001F00004](https://openairdocs.org/sdr/EHA2001F00004), Sep 30, 2001: ATTACH FITTING. CRACKED. CRACK DISCOVERED IN TAIL ROTOR GEARBOX ATTACH CASTING PN 105-30402-100.12 PROGRESSING FROM UPPER LEFT CORNER THROUGH FIRST LOWER WEB (ABOVE UPPER LEFT BOLT HOLE
- [SDR CA010515008](https://openairdocs.org/sdr/CA010515008), Apr 19, 2001: SOLENOID VALVE. FAILED. (CAN) HYD BLOCK LIGHT CAME ON IN FLIGHT. PILOT RETURNED TO BASE AND CALLED OUT RESCUE CREW. LANDED WITHOUT DIFFICULTY. SOLENOID VALVE REPLACED AND AIRCRAFT RETU
- [SDR EHA2001F00002](https://openairdocs.org/sdr/EHA2001F00002), Mar 2, 2001: GEARBOX. FAILED. NR 1 ENGINE TORQUE REMAINED AT 60 PER CENT WHEN ENGINE TRANSITIONED FROM HIGH TORQUE TO GROUND IDLE. OPERATION ABOVE 60 PER CENT APPEARED NORMAL. CAUSE DETERMIN
- [SDR CA010103010](https://openairdocs.org/sdr/CA010103010), Nov 27, 2000: B-NUT. LOOSE. (CAN) ENGINE HUNG START AT 38 PERCENT N1 GOVERNOR PC AIR TUBE FITTING "B" NUT FOUND LOOSE.
- [SDR CA001110045](https://openairdocs.org/sdr/CA001110045), Oct 17, 2000: BOLT. FAILED. (CAN) DURING CRUISE FLIGHT, PILOT WAS ONLY ABLE TO ACHIEVE 98 PERCENT N2 ON NR 1 ENGINE. UPON LANDING AT THE MAINTENANCE FACILITY, AN INSPECTION FOUND THE NR 1 
- [SDR 20000912SH007](https://openairdocs.org/sdr/20000912SH007), Aug 6, 2000: WIRE. BROKEN. IN CRUISE FLIGHT, NR 1 ENGINE FIRE LIGHT ILLUMINATED. FOUND AND REPAIRED BROKEN WIRE. (X)
- [SDR CA000811003](https://openairdocs.org/sdr/CA000811003), Jul 14, 2000: MAST. FAILED. (CAN) EVENT: DURING PILOT TRAINING OFF-LEVEL LANDING BEING CONDUCTED; A/C LANDED ON SLOPE WITH RT SKID LOW. PILOTS WERE CHECKING THEIR RESPECTIVE SIDES OF A/C A
- [SDR CA000606031](https://openairdocs.org/sdr/CA000606031), May 26, 2000: FIRE DETECTOR. LOOSE. (CAN) #1 FIRE WARNING LIGHT CAME ON IN CRUISE FLIGHT. PILOT RETARDED THROTTLE TO IDLE & RETURNED TO BASE. AIRCRAFT INSPECTED LOOSE WIRE ON DETECTOR FOUND, WIRE 
- [SDR CA000714034](https://openairdocs.org/sdr/CA000714034), May 3, 2000: CARGO HOOK. TWISTED. (CAN) THE PILOT CAME BACK FROM WORK AND REPORTED HE COULD NOT LATCH LOAD ON CARGO HOOK. A VISUAL INSP ON CARGO HOOK EMERG RELEASE CABLE SHOWED THERE WAS TOO MUC

All 111: https://openairdocs.org/model/messerschmitt-bolkow-blohm-bo-105c/reports.md

## STCs that may be installed (OpenAirDocs) (82, first 50)

Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [STC SR00643SE](https://openairdocs.org/stc/SR00643SE): Installation of Geneva Aviation Video System. Turbolyft USA Corporation
- [STC SR02301SE](https://openairdocs.org/stc/SR02301SE): Installation of Geneva Aviation 28 - 14 VDC Power Converter. AEM USA Inc
- [STC SH3319NM](https://openairdocs.org/stc/SH3319NM): Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,. Precise Flight Inc
- [STC SR00119BO](https://openairdocs.org/stc/SR00119BO): Installation of a Newcomb Communications, Inc. CP-2 Satcom System in accordance with Newcomb Communications, Inc., Master Document List No. D000-0058, Revision B, dated April 12, 2000, or later FAA-approved revision. Outerlink Corporation
- [STC SR02704SE](https://openairdocs.org/stc/SR02704SE): Installation and maintenance of the Sunspot 36 and 46 series lights. AeroLED's Holdings LLC
- [STC SR00359BO](https://openairdocs.org/stc/SR00359BO): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. Whelen Aerospace Technologies
- [STC SR00910SE](https://openairdocs.org/stc/SR00910SE): Replacement of the original landing gear skid tubes with DART Model D105-674-011 skid tubes. Dart Aerospace USA Inc
- [STC SH2679SW](https://openairdocs.org/stc/SH2679SW): Modification for IFR Type of operation. Associated Air Center, Inc. - c/o CT Corporation System
- [STC SR02487AK](https://openairdocs.org/stc/SR02487AK): Installation of L-3 Communications Avionics Systems ESI-500 Standby Instrument System. ADS-B Technologies, LLC
- [STC SR02475AK](https://openairdocs.org/stc/SR02475AK): Installation of the Lexavia Integrated Systems LFS3500 Enhanced Vision System (EVS) on Part 27 Airbus Helicopters equipped with a panel-mounted Multi-Function Display (MFD), primary navigational display or dedicated display with the ability to display video imagery. Lexavia Integrated Systems
- [STC SR02470AK](https://openairdocs.org/stc/SR02470AK): Installation of the L-3 Communications NGT -1000/2000/2500 ADS-B System. ADS-B Technologies, LLC
- [STC SR02471AK](https://openairdocs.org/stc/SR02471AK): Installation of the L-3 Communications NGT -9000/9000R ADS-B System. ADS-B Technologies, LLC
- [STC SR02394AK](https://openairdocs.org/stc/SR02394AK): Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system. Seaplanes North LLC
- [STC SH7685SW](https://openairdocs.org/stc/SH7685SW): Replacement of the MBB oil cooler fairing, MBB P/N 105-61802. Apical Industries, Inc. dba Dart Aerospace
- [STC SH8977SW](https://openairdocs.org/stc/SH8977SW): Installation of Parker Hannifan Airborne fuel pump. Apical Industries, Inc. dba Dart Aerospace
- [STC SR00856LA](https://openairdocs.org/stc/SR00856LA): Installation of Apical emergency float kit, p/n 20430. Apical Industries, Inc. dba Dart Aerospace
- [STC SR01546SE](https://openairdocs.org/stc/SR01546SE): Installation of a Supplemental Lighting System. Aviation Specialties Unlimited Inc
- [STC SH8417SW](https://openairdocs.org/stc/SH8417SW): Installation of Benz Part Number PCS-111A Continuity Sensor in the engine, tail rotor gearbox, intermediate gearbox, and main transmission chip detectors. Meggitt, Orange County, Inc
- [STC SH1770SO](https://openairdocs.org/stc/SH1770SO): Installation of a controllable belly-mounted searchlight. Bell Helicopter Textron Inc
- [STC SR03027CH](https://openairdocs.org/stc/SR03027CH): Installation of Air Ambulance Unit in accordance with Ocean Air Master Data List, Report AC-BO105, Revision Original, Dated February 1st 2011 or later FAA Approved Revision. Ocean Air Aviation
- [STC SR01802AT](https://openairdocs.org/stc/SR01802AT): Manufacture of Replacements Windows and Windshields in accordance with Aeronautical Accessories, Inc. Drawing List Report No. AA-98155, no revision, dated October 21, 1998, or later FAA approved revisions, and installation per Installation Instructions listed in that report. Bell Helicopter Textron Inc
- [STC SH308NE](https://openairdocs.org/stc/SH308NE): Replace existing starter-generators and install Aicraft Parts Corp. starter-generators. Shurka Aerospace Inc
- [STC SR00169BO](https://openairdocs.org/stc/SR00169BO): Installation of Altair Avionics Corporation SmartCycle monitoring and recording system. Pratt & Whitney Engine Services Inc
- [STC SH7893SW](https://openairdocs.org/stc/SH7893SW): Installation of shoulder harnesses to the aft three passenger seats. Apical Industries Inc
- [STC SR01178SE](https://openairdocs.org/stc/SR01178SE): Fabrication and installation of Infrared Camera, Video Cassette recorder and additional cross tube mounted landing lights for model BO-105CBS-4, serial number S-430. Portland General Electric
- [STC SH752GL](https://openairdocs.org/stc/SH752GL): Installation of a fuel flow indicating system. Shadin Avionics
- [STC SR00811NY](https://openairdocs.org/stc/SR00811NY): Installation of Technisonic Industries Limited TFM-138 series transceiver models. Technisonic Industries Limited
- [STC SR01834NY](https://openairdocs.org/stc/SR01834NY): Installation of Globalstar Satellite Telephone System. Atlantic Avionics Inc
- [STC SH1031EA-D](https://openairdocs.org/stc/SH1031EA-D): Installation of Airesearch Manufacturing environmental control unit. Approval is also eligible with the modification approved under STC SH1025EA issued 11/24/1975 or latest FAA approved revision. American Eurocopter Corporation
- [STC SH1073EA-D](https://openairdocs.org/stc/SH1073EA-D): Installation of Electric Chip Detectors in main transmission and intermediate and tail rotor gear boxes. American Eurocopter Corporation
- [STC SH1260EA-D](https://openairdocs.org/stc/SH1260EA-D): Installation of Pulsed Chip Detector System. American Eurocopter Corporation
- [STC SH218NW-D](https://openairdocs.org/stc/SH218NW-D): Installation and maintenance of Allison 250-C20 engine equipped with Bendix fuel control system. American Eurocopter Corporation
- [STC SH408NE-D](https://openairdocs.org/stc/SH408NE-D): Replacement of auxiliary fuel boost pumps with Parker Hannifin-Airborne centrifugal boost pumps. American Eurocopter Corporation
- [STC SH427NE-D](https://openairdocs.org/stc/SH427NE-D): Incorporation of Boarding Step Installation. American Eurocopter Corporation
- [STC SH506NE-D](https://openairdocs.org/stc/SH506NE-D): Incorporation of cargo gas springs. American Eurocopter Corporation
- [STC SH8175SW-D](https://openairdocs.org/stc/SH8175SW-D): Installation of cross tube mounted external loud hailer speakers. American Eurocopter Corporation
- [STC SH82NE-D](https://openairdocs.org/stc/SH82NE-D): Installation of differential fuel pressure switch. Also compatible with BO-105C as modified by Carson Helicopters' STC SH1025EA. American Eurocopter Corporation
- [STC SH8786SW-D](https://openairdocs.org/stc/SH8786SW-D): Installation of Strobe Anticollision light system. American Eurocopter Corporation
- [STC SH920NE-D](https://openairdocs.org/stc/SH920NE-D): Installation of Main Fuel Tank Pump Switch off Advisory Light System. American Eurocopter Corporation
- [STC SH971EA-D](https://openairdocs.org/stc/SH971EA-D): Installation of cabin door post and door latching mechanism modification kit. American Eurocopter Corporation
- [STC SH999EA-D](https://openairdocs.org/stc/SH999EA-D): Installation of engine bleed air heating system. Limited to installation on serial number S-156 ONLY. American Eurocopter Corporation
- [STC SR00611AT](https://openairdocs.org/stc/SR00611AT): Installation of an air conditioning system in accordance with Aero Aire Corporation Master Drawing List 1054RO10,Revision. 2, dated November 3, 1994, or later FAA approved revision. Enviro Systems Inc
- [STC SH1212EA](https://openairdocs.org/stc/SH1212EA): Installation of Casey shroud heater. Tradewind Turbines
- [STC SH201WE](https://openairdocs.org/stc/SH201WE): Installation of stirrup assemblies to directional control pedals for operation by handicapped pilot. (US ARMY OH-13E 205A). Dallwig Barry C
- [STC SR01265NY](https://openairdocs.org/stc/SR01265NY): Bearpaw installation. Dart Aerospace Limited
- [STC SA2629NM](https://openairdocs.org/stc/SA2629NM): Installation of a retractable antenna mechanism and UHF or microwave antenna on right hand skid. AAR Aircraft Services Inc
- [STC SH7646SW](https://openairdocs.org/stc/SH7646SW): Installation of an engine compressor water wash system. Omniflight Helicopters, Inc
- [STC SH589NE](https://openairdocs.org/stc/SH589NE): Installation of wire strike protection system. (BO-105C VARIANTS CB-2 CB-2) (BO-105S VARIANTS CBS-2 CBS-4). Eurocopter Canada Limited
- [STC SR09149RC](https://openairdocs.org/stc/SR09149RC): Installation of the RDA 3303 Airborne Vibration Monitoring System. Rotor Dynamics Americas
- [STC SR00269LA](https://openairdocs.org/stc/SR00269LA): Installation of emergency ditching floats. Apical Industries Inc

All 82: https://openairdocs.org/model/messerschmitt-bolkow-blohm-bo-105c/stcs.md

## PMA parts (OpenAirDocs) (501, first 50)

Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this model on its data sheet, so check the FAA record before relying on it. Newest first.

- [WF336342](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID114383300120250602133028.0001): Filter Element, Lube. Donaldson Company Inc · PMA PQ2432CE · Replaces 038088-08, P-1050 · May 23, 2025
- [80-0533-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID175649769320260224114046.0001): PANEL, ANNUNCIATOR. ONTIC Engineering & Manufacturing Inc · PMA PQ1398NM · Replaces 80-0533-3 · Jan 23, 2025
- [M2001-5](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID181316635920240802183932.0001): Brush, Electrical Contact. Miraj Corporation · PMA PQ0870NE · Replaces 150SG1009-5 · Jun 20, 2024
- [AAI- 150SG1070](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID180847035620240320173347.0001): Friction Disc. Augusta Aero Innovations LLC · PMA PQ04441CE · Replaces 150SG1070 · Jan 31, 2024
- [BCN150SG-K1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID153834095320221024173132.0001): Overhaul Hardware Kit 150SG, 160SG Series Starter Generators. BCN Aerospace, Inc. · PMA PQ2149NE · Replaces NJ150SG-K1 · Oct 14, 2022
- [M150SG1379-8](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID198690165920220808142310.0001): Washer, Lock. Miraj Corporation · PMA PQ0870NE · Replaces 150SG1379-8 · Jul 19, 2022
- [01-0790906-00](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID142343925320220610124249.0001): LED Landing Light. Whelen Aerospace Technologies · PMA PQ1372CE · Modification part · Jun 6, 2022
- [ETR 25-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID198133195120220408140447.0001): Starter-Generator Mod Kit. NAASCO Northeast Corp · PMA PQ0961NE · Replaces Lucas Aerospace (LSI)Carbon… · Feb 22, 2022
- [ETR 25-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID189758766120220408140627.0001): Starter-Generator Mod Kit. NAASCO Northeast Corp · PMA PQ0961NE · Replaces Skurka Aerospace Inc. (Aircraft Parts… · Feb 22, 2022
- [ETR 25-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID189532497920220408140615.0001): Starter-Generator Mod Kit. NAASCO Northeast Corp · PMA PQ0961NE · Replaces Skurka Aerospace Inc. (Aircraft Parts… · Feb 22, 2022
- [ETR 25-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID186475695020220408140521.0001): Starter-Generator Mod Kit. NAASCO Northeast Corp · PMA PQ0961NE · Replaces Lucas Aerospace (LSI)Starter… · Feb 22, 2022
- [ETR 25-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID182135456920220408140644.0001): Starter-Generator Mod Kit. NAASCO Northeast Corp · PMA PQ0961NE · Replaces Skurka Aerospace Inc. (Aircraft Parts… · Feb 22, 2022
- [ETR 25-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID179414184020220408140625.0001): Starter-Generator Mod Kit. NAASCO Northeast Corp · PMA PQ0961NE · Replaces Skurka Aerospace Inc. (Aircraft Parts… · Feb 22, 2022
- [ETR 25-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID175458693720220408140504.0001): Starter-Generator Mod Kit. NAASCO Northeast Corp · PMA PQ0961NE · Replaces Lucas Aerospace (LSI)Commutator Head… · Feb 22, 2022
- [ETR 25-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID168192923620220408140622.0001): Starter-Generator Mod Kit. NAASCO Northeast Corp · PMA PQ0961NE · Replaces Skurka Aerospace Inc. (Aircraft Parts… · Feb 22, 2022
- [ETR 25-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID167149619220220408140559.0001): Starter-Generator Mod Kit. NAASCO Northeast Corp · PMA PQ0961NE · Replaces Skurka Aerospace Inc. (Aircraft Parts… · Feb 22, 2022
- [ETR 25-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID161935774120220408140607.0001): Starter-Generator Mod Kit. NAASCO Northeast Corp · PMA PQ0961NE · Replaces Skurka Aerospace Inc. (Aircraft Parts… · Feb 22, 2022
- [ETR 25-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID159587840020220408140453.0001): Starter-Generator Mod Kit. NAASCO Northeast Corp · PMA PQ0961NE · Replaces Lucas Aerospace (LSI)End Bell23032-1402 · Feb 22, 2022
- [ETR 25-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID143113058120220408140532.0001): Starter-Generator Mod Kit. NAASCO Northeast Corp · PMA PQ0961NE · Replaces Lucas Aerospace (LSI)Starter… · Feb 22, 2022
- [ETR 25-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID140816123520220408140604.0001): Starter-Generator Mod Kit. NAASCO Northeast Corp · PMA PQ0961NE · Replaces Skurka Aerospace Inc. (Aircraft Parts… · Feb 22, 2022
- [ETR 25-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID132745148820220408140554.0001): Starter-Generator Mod Kit. NAASCO Northeast Corp · PMA PQ0961NE · Replaces Skurka Aerospace Inc. (Aircraft Parts… · Feb 22, 2022
- [ETR 25-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID129768220120220408140510.0001): Starter-Generator Mod Kit. NAASCO Northeast Corp · PMA PQ0961NE · Replaces Lucas Aerospace (LSI)Fan Cover… · Feb 22, 2022
- [ETR 25-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID127822444320220408140544.0001): Starter-Generator Mod Kit. NAASCO Northeast Corp · PMA PQ0961NE · Replaces Skurka Aerospace Inc. (Aircraft Parts… · Feb 22, 2022
- [ETR 25-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID124332208120220408140458.0001): Starter-Generator Mod Kit. NAASCO Northeast Corp · PMA PQ0961NE · Replaces Lucas Aerospace (LSI)End Bell23032-1575 · Feb 22, 2022
- [ETR 25-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID120692754020220408140639.0001): Starter-Generator Mod Kit. NAASCO Northeast Corp · PMA PQ0961NE · Replaces Skurka Aerospace Inc. (Aircraft Parts… · Feb 22, 2022
- [ETR 25-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID120335316120220408140527.0001): Starter-Generator Mod Kit. NAASCO Northeast Corp · PMA PQ0961NE · Replaces Lucas Aerospace (LSI)Starter… · Feb 22, 2022
- [ETR 25-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID116240581120220408140636.0001): Starter-Generator Mod Kit. NAASCO Northeast Corp · PMA PQ0961NE · Replaces Skurka Aerospace Inc. (Aircraft Parts… · Feb 22, 2022
- [ETR 25-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID115179548520220408140618.0001): Starter-Generator Mod Kit. NAASCO Northeast Corp · PMA PQ0961NE · Replaces Skurka Aerospace Inc. (Aircraft Parts… · Feb 22, 2022
- [ETR 25-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID114282443020220408140516.0001): Starter-Generator Mod Kit. NAASCO Northeast Corp · PMA PQ0961NE · Replaces Lucas Aerospace (LSI)Brush… · Feb 22, 2022
- [ETR 25-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID112441754920220408140630.0001): Starter-Generator Mod Kit. NAASCO Northeast Corp · PMA PQ0961NE · Replaces Skurka Aerospace Inc. (Aircraft Parts… · Feb 22, 2022
- [ETR 25-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID107544129220220408140538.0001): Starter-Generator Mod Kit. NAASCO Northeast Corp · PMA PQ0961NE · Replaces Lucas Aerospace (LSI)Starter… · Feb 22, 2022
- [ETR 25-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID102495124520220408140633.0001): Starter-Generator Mod Kit. NAASCO Northeast Corp · PMA PQ0961NE · Replaces Skurka Aerospace Inc. (Aircraft Parts… · Feb 22, 2022
- [ETR 25-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID102311436420220408140611.0001): Starter-Generator Mod Kit. NAASCO Northeast Corp · PMA PQ0961NE · Replaces Skurka Aerospace Inc. (Aircraft Parts… · Feb 22, 2022
- [ETR 25-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID100717143220220408140549.0001): Starter-Generator Mod Kit. NAASCO Northeast Corp · PMA PQ0961NE · Replaces Skurka Aerospace Inc. (Aircraft Parts… · Feb 22, 2022
- [ETR 25-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID100674981120220408140641.0001): Starter-Generator Mod Kit. NAASCO Northeast Corp · PMA PQ0961NE · Replaces Skurka Aerospace Inc. (Aircraft Parts… · Feb 22, 2022
- [2200850-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID135589604020220624165457.0001): Environmental Control Unit Outline. Honeywell International Inc. · PMA PQ1222NM · Replaces 2200850-3 · Feb 15, 2022
- [189892-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID126070444620220624165455.0001): Heat Exchanger Assy Cooling Turbine. Honeywell International Inc. · PMA PQ1222NM · Replaces 189892-1 · Feb 15, 2022
- [2200850-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID109109919820220624165456.0001): Environmental Control Unit Outline. Honeywell International Inc. · PMA PQ1222NM · Replaces 2200850-2 · Feb 15, 2022
- [RS16-001](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID132529939020260311205440.0001): RelaySwitch Box. Chelton Avionics Inc. dba Canyon Aeroconnect · PMA PQ2204NM · Replaces RS16-001 · Nov 1, 2021
- [ETR 25-1 (see comments)](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID804454614320210909201958.0001): Starter Generator Mod Kit. NAASCO Northeast Corp · PMA PQ0961NE · Replaces Lucas (LSI) Carbon Brushes… · Jul 22, 2021
- [ETR 25-1 (see comments)](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID262804896020210909201959.0001): Starter Generator Mod Kit. NAASCO Northeast Corp · PMA PQ0961NE · Replaces Skurka Aerospace Inc. (Aircraft Parts… · Jul 22, 2021
- [NOHIPOT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID173518741320240320173403.0001): Decal. Augusta Aero Innovations LLC · PMA PQ04441CE · Replaces 06-201020 · Oct 6, 2020
- [NOHIPOT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID152061463920240320173409.0001): Decal. Augusta Aero Innovations LLC · PMA PQ04441CE · Replaces 150SG1139 · Oct 6, 2020
- [010-05101](https://drs.faa.gov/browse/excelExternalWindow/9C31C8A70AD3C6D3862585570049D6C8.0001): Master Cylinder Assembly. Parker Hannifin Corporation · PMA PQ2046CE-D · Replaces Airbus Helicopter Deutschland Gmbh P/N… · Jul 11, 2019
- [010-05101](https://drs.faa.gov/browse/excelExternalWindow/200A25FE42AE951F86258557005DF063.0001): Master Cylinder Assembly. Parker Hannifin Corporation · PMA PQ2046CE-D · Replaces Airbus Helicopter Deutschland Gmbh P/N… · Jul 11, 2019
- [MCG-1900](https://drs.faa.gov/browse/excelExternalWindow/C5FE45C228B3339F86258474006122F8.0001): Dampener Hub. Miraj Corporation · PMA PQ0870NE · Replaces 23032-1900 · Feb 24, 2019
- [M23032-2711](https://drs.faa.gov/browse/excelExternalWindow/4AF3A478C94705EA862582CF006DC0C8.0001): Dampener Plate. Miraj Corporation · PMA PQ0870NE · Replaces 23032-2711 · Jun 17, 2018
- [87-05208-001](https://drs.faa.gov/browse/excelExternalWindow/C4B8A8A2B2422B728625822E007853B6.0001): Assembly, Light, PAR 46 Landing. Astronics Luminescent Systems Inc · PMA PQ0786NE · Replaces 01-0790750-20 · Jan 23, 2018
- [105-E0005-6](https://drs.faa.gov/browse/excelExternalWindow/F54A8987928E6AED8625822D00674953.0001): Boarding Step Installation. Airbus Helicopters, Inc. · PMA PQ0333SW · Modification part · Jan 16, 2018
- [105A73-0003-01](https://drs.faa.gov/browse/excelExternalWindow/F20F5B39B6029C088625822D0067503A.0001): Whelen Strobe. Airbus Helicopters, Inc. · PMA PQ0333SW · Modification part · Jan 16, 2018

All of them: https://openairdocs.org/model/messerschmitt-bolkow-blohm-bo-105c/pma.md

## The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

- [Messerschmitt-Boelkow-Blohm-Gm BO-105C](https://openairdocs.org/model/messerschmitt-boelkow-blohm-gm-bo-105c): 4 registered aircraft, registry code 5626005
- [Messerchmitt-Bolkow-Blohm BO-105C CB-5](https://openairdocs.org/model/messerchmitt-bolkow-blohm-bo-105c-cb-5): 0 registered aircraft, registry code 5626040

---
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.