# Bell Helicopter Textron Canada 427

- Type: Aircraft model (FAA registry)
- Registry code: 1182152
- Manufacturer (registry): BELL HELICOPTER TEXTRON CANADA
- Model: 427
- Aircraft type: Rotorcraft
- Category: Rotorcraft
- Engines: 2 · Turbo-shaft
- Seats: 9
- Weight class: Up to 12,499 lb
- Certification: Type certificated
- Data sheet: [TCDS R00001RC](https://openairdocs.org/tcds/R00001RC) (OpenAirDocs)
- Holder: Bell Textron Canada Limited
- Registered aircraft: 7
- Page: https://openairdocs.org/model/bell-helicopter-textron-canada-427

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 2025-25-01](https://openairdocs.org/ad/2025-25-01): Main Rotor Drive System · Bell Textron Canada 427. Effective Jan 16, 2026
- [AD 2025-13-01](https://openairdocs.org/ad/2025-13-01): Main Rotor Blades · Bell Textron Canada 407 and 427. Effective Jul 8, 2025
- [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 2021-19-01](https://openairdocs.org/ad/2021-19-01): Cabin Equipment/Furnishings · Shoulder harness restraint system (Bell Helicopter Textron STC SH2073SO or SH2751SO). Effective Oct 13, 2021
- [AD 2019-23-09](https://openairdocs.org/ad/2019-23-09): Empennage Structure · Bell Helicopter Textron Canada 427. Effective Jan 10, 2020
- [AD 2016-20-01](https://openairdocs.org/ad/2016-20-01): Engine and Transmission Lubrication System · Bell Helicopter Textron Canada 427 and 429. Effective Oct 17, 2016
- [AD 2015-17-02](https://openairdocs.org/ad/2015-17-02): Main Rotor Drive System · Bell Helicopter Textron Canada 206L-4, 407, 427 and 1 more. Effective Sep 24, 2015
- [AD 2013-18-06](https://openairdocs.org/ad/2013-18-06): Main Rotor Control · Bell Helicopter Textron Canada 206A, 206B, 206L and 10 more. Effective Oct 17, 2013
- [AD 2012-14-07](https://openairdocs.org/ad/2012-14-07): Rotorcraft Servo System · Bell Helicopter Textron Canada 407 and 427. Effective Aug 3, 2012
- [AD 2012-10-01](https://openairdocs.org/ad/2012-10-01): Rotorcraft tailboom · Bell Helicopter Textron Canada 427. Effective Jun 29, 2012
- [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 2011-03-03](https://openairdocs.org/ad/2011-03-03): Tail Rotor Drive · Bell Helicopter Textron Canada 427. Effective Apr 14, 2011
- [AD 2010-26-51](https://openairdocs.org/ad/2010-26-51): Tail rotor blade · Bell Helicopter Textron Canada 206A, 206B, 206L and 10 more. Effective Mar 25, 2011
- [AD 2009-25-08](https://openairdocs.org/ad/2009-25-08): Hydraulic pump driveshaft assembly · Bell Helicopter Textron Canada 407 and 427. Effective Dec 28, 2009
- [AD 2009-22-11](https://openairdocs.org/ad/2009-22-11): Swashplate link assembly bearing · Bell Helicopter Textron Canada 407 and 427. Effective Nov 16, 2009
- [AD 2009-15-15](https://openairdocs.org/ad/2009-15-15): Vertical Stabilizer, Attach Fittings · Bell Helicopter Textron Canada 427. Effective Sep 8, 2009
- [AD 2009-07-52](https://openairdocs.org/ad/2009-07-52): Cyclic control lever assembly · Bell Helicopter Textron Canada 206A, 206A-1 (OH-58A), 206B and 7 more. Effective May 1, 2009
- [AD 2003-04-14](https://openairdocs.org/ad/2003-04-14): Hydraulic Solenoid Tee Fitting and Tubes · Bell Helicopter Textron Canada 427. Effective Apr 4, 2003
- [AD 2003-04-12](https://openairdocs.org/ad/2003-04-12): Auxiliary Fin Assemblies and Limitations Section of the Rotorcraft Flight Manual (RFM) · Bell Helicopter Textron Canada 427. Effective Apr 4, 2003

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 2011-15-51](https://openairdocs.org/ad/2011-15-51) (historical): Hydraulic servo actuators · Bell Helicopter Textron Canada 407 and 427. Effective Nov 14, 2011
- [AD 2009-08-03](https://openairdocs.org/ad/2009-08-03) (historical): Tail rotor blade (blade) · Bell Helicopter Textron 206A, 206B, 206L and 10 more. Effective Apr 24, 2009
- [AD 2009-07-51](https://openairdocs.org/ad/2009-07-51) (historical): Lever assembly bearing · Bell Helicopter Textron 206A, 206A-1 (OH-58A), 206B and 7 more
- [AD 2007-19-52](https://openairdocs.org/ad/2007-19-52) (historical): Tail rotor blade (blade) · Bell Helicopter Textron 206A, 206B, 206L and 10 more. Effective Dec 5, 2007
- [AD 2001-13-51](https://openairdocs.org/ad/2001-13-51) (historical): Driveshafts · Bell Helicopter Textron Canada 206L-4, 407 and 427. Effective Oct 9, 2001

## Information bulletins (advisory) (1)

- [SAIB SW-15-20](https://openairdocs.org/saib/SW-15-20): Air Conditioning System Wiring. Issued Aug 13, 2015

## Registered aircraft (7)

- [N427BW](https://openairdocs.org/aircraft/N427BW): [Inland Empire Air LLC](https://openairdocs.org/faa-owner/INLAND%20EMPIRE%20AIR%20LLC), [Fontana, CA](https://openairdocs.org/faa-place/CA/Fontana), S/N 56081
- [N427JJ](https://openairdocs.org/aircraft/N427JJ): [Checa LLC](https://openairdocs.org/faa-owner/CHECA%20LLC), [Jackson, WY](https://openairdocs.org/faa-place/WY/Jackson), built 2003, S/N 56039
- [N427TP](https://openairdocs.org/aircraft/N427TP): [Sky West Aviation Inc Trustee](https://openairdocs.org/faa-owner/SKY%20WEST%20AVIATION%20INC%20TRUSTEE), [Albuquerque, NM](https://openairdocs.org/faa-place/NM/Albuquerque), S/N 56015
- [N427UV](https://openairdocs.org/aircraft/N427UV): [Vase Corp III](https://openairdocs.org/faa-owner/VASE%20CORP%20III), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 2009, S/N 56077
- [N437ML](https://openairdocs.org/aircraft/N437ML): [Royalton Development Corp](https://openairdocs.org/faa-owner/ROYALTON%20DEVELOPMENT%20CORP), [Remsenburg, NY](https://openairdocs.org/faa-place/NY/Remsenburg), built 2011, S/N 56084
- [N83HH](https://openairdocs.org/aircraft/N83HH): [Hopscotch One LLC](https://openairdocs.org/faa-owner/HOPSCOTCH%20ONE%20LLC), [Millbrook, NY](https://openairdocs.org/faa-place/NY/Millbrook), built 2010, S/N 56080
- [N98JC](https://openairdocs.org/aircraft/N98JC): [50 One Aviation LLC](https://openairdocs.org/faa-owner/50%20ONE%20AVIATION%20LLC), [San Juan, PR](https://openairdocs.org/faa-place/PR/San%20Juan), built 2010, S/N 56082

## NTSB investigations

None matched to aircraft with this model.

## 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 20100128027579I](https://openairdocs.org/incident/20100128027579I), Jan 28, 2010: Bell 427 (N427F), Arlington, TX, Minor damage. On January 28, 2010 at 11:25 local time Bell helicopter model 427, N427F, owned and operated by Bell helicopter Textron was involved in an incident at…

## Service difficulty reports (77, newest 50)

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

- [SDR CA190506001](https://openairdocs.org/sdr/CA190506001), May 1, 2019: SKID. FRACTURED. (CAN) IT WAS REPORTED TO BELL:AFTER NORMAL FLYING WHEN THE HELICOPTER WAS BEING TOWED INSIDE THE HANGAR THE RH SKID TUBE FRACTURED JUST AFT OF THE INSERT ASSY 2
- [SDR CA160119005](https://openairdocs.org/sdr/CA160119005), Oct 30, 2015: SHROUD. CRACKED. (CAN) THE FOLLOWING HAS BEEN REPORTED TO MFG: IN-FLIGHT SHUTDOWN OF A ENGINE. THE ACFT MADE A SAFE LANDING ON THE RUNWAY AT THE LOCAL AIRPORT AND NO ADDITIONAL 
- [SDR CA160111006](https://openairdocs.org/sdr/CA160111006), Oct 30, 2015: FUEL SYS. MALFUNCTIONED. (CAN) AT ALTITUDE OF 500FT, SPEED 120KTS AND TORQUE 85 PERCENT THE PILOT EXPERIENCED A YAW TO THE RT. SAW AN INDICATION OF NR 1 ENGINE FAILED. FOLLOWED THE EMER
- [SDR CA151102009](https://openairdocs.org/sdr/CA151102009), Oct 30, 2015: TUBE. DAMAGED. (CAN) THE FOLLOWING HAS BEEN REPORTED TO MFG: IN-FLIGHT SHUTDOWN. THE ACFT MADE A SAFE LANDING AND NO ADDITIONAL DAMAGE WAS DONE TO THE ACFT OR PERSONNEL. THE L
- [SDR CA150324009](https://openairdocs.org/sdr/CA150324009), Mar 22, 2015: STRUCTURE. CRACKED. (CAN) VERTICAL FIN CRACKED. THE CRACK APPEARS TO HAVE ORIGINATED AT THE UPPER AFT ATTACH POINT. IT WAS DISCOVERED ON A DAILY INSPECTION.
- [SDR CA150324006](https://openairdocs.org/sdr/CA150324006), Mar 6, 2015: CASE. CRACKED. (CAN) THE TRANSMISSION CASE HAD AN OIL LEAK FOUND AROUND LT INPUT QUILL AREA. FOUND THE OIL LEAK FROM A CRACK IN THE RADII TRANSITION AREA OF THE CASE BETWEEN T
- [SDR CA150212005](https://openairdocs.org/sdr/CA150212005), Feb 4, 2015: FRAME. CRACKED. (CAN) FRAME FOUND CRACKED.
- [SDR CA131031008](https://openairdocs.org/sdr/CA131031008), Oct 23, 2013: CASE. CRACKED. (CAN) AN OIL LEAK HAD DEVELOPED ON THE LT SIDE OF THE UPPER TRANSMISSION DECK. IT WAS OBSERVED THAT THE OIL LEAK WAS ORIGINATING FROM A CRACK IN THE RADII TRANS
- [SDR AC2A201304150001](https://openairdocs.org/sdr/AC2A201304150001), Apr 8, 2013: BRAKE. FALSE INDICATION. ROTOR BRAKE CAS MESSAGE APPEARED SHORTLY AFTER TAKEOFF. FOLLOWED EMERGENCY PROCEDURES AND RETURNED TO DEPARTURE. TESTED SWITCHES IN CALIPER AND FOUND THEM TO BE
- [SDR CA120222001](https://openairdocs.org/sdr/CA120222001), Feb 19, 2012: LONGERON. CRACKED. (CAN) DURING THE ROUTINE 150 HOUR INSPECTION, A CRACK WAS FOUND IN THE UPPER LT LONGERON, AIRFRAME SIDE, THAT IS THE ATTACH POINT FOR THE TAILBOOM INTERCOSTAL.
- [SDR AC2A7HV07162011](https://openairdocs.org/sdr/AC2A7HV07162011), Jul 16, 2011: CABLE. SEIZED. FLOAT DEPLOYMENT CABLE SEIZED TO SHEATH AND END FITTING SEPARATED AT CRIMP INSIDE FITTING PROTECTIVE BOOT.
- [SDR CA110308009](https://openairdocs.org/sdr/CA110308009), Mar 1, 2011: EXTINGUISHER. CONTAMINATED. (CAN) DURING A PREFLIGHT INSPECTION, THE ENGINE FIRE EXTINGUISHER WAS FOUND WITH ZERO PRESSURE. DURING REMOVAL OF THE EXTINGUISHER, WATER WAS FOUND IN THE MANIF
- [SDR AC2A7HV1152011](https://openairdocs.org/sdr/AC2A7HV1152011), Jan 15, 2011: PRESSURE SWITCH. INOPERATIVE. NR1 FUEL PRESS WARNING (RED) LIGHT ILLUMINATED DURING TAKEOFF.
- [SDR AC2A685K001](https://openairdocs.org/sdr/AC2A685K001), Dec 7, 2010: WARNING LIGHT. ILLUMINATED. HAD JUST LEFT, ENROUTE, FOR AN ACFT SWAP WHEN A TRANSMISSION CHIP LT LIGHT ILLUMINATED. FOLLOWED EMERGENCY PROCEDURES AND LANDED AS SOON AS POSSIBLE AT SHIPPING
- [SDR CA101129004](https://openairdocs.org/sdr/CA101129004), Nov 17, 2010: PIN. MIGRATED. (CAN) BELL HELICOPTER WAS NOTIFIED A MS16555-321 PIN MIGRATED OUT OF PINION SHAFT ASSY LOCKING NR 2 ENGINE THROTTLE RESULTING IN BEING UNABLE TO SHUT DOWN ENGIN
- [SDR CA101105004](https://openairdocs.org/sdr/CA101105004), Oct 26, 2010: SKIN. DAMAGED. (CAN) VOIDS EXCEEDING ALLOWABLE LIMITS WERE DISCOVERED IN TAILBOOM UPPER SKIN RADIUS DURING DESTRUCTIVE TEST INSPECTION.
- [SDR CA101105003](https://openairdocs.org/sdr/CA101105003), Oct 18, 2010: TERMINAL BLOCK. DAMAGED. (CAN) DURING INITIAL GROUND RUN, WHEN TRYING TO CROSS START THE NR 1 ENGINE (WITH NR 2 RUNNING), THE "BUS INTERCONNECT" RELAY OPENED IN THE MIDDLE OF THE START,
- [SDR CA090901007](https://openairdocs.org/sdr/CA090901007), Aug 12, 2009: BOLT. BROKEN. ONE OF THE 4 VERTICAL FIN ATTACHMENT (NAS6604-30) BOLTS FOUND BROKEN (BOTTOM AFT BOLT). REMAINING 3 BOLTS WERE NOT FINGER LOOSE, BUT WERE NOT AT MAXIMUM TORQUE.
- [SDR AC2A2009081282853](https://openairdocs.org/sdr/AC2A2009081282853), Aug 12, 2009: BOLT. BROKEN. DURING PRE-FLIGHT INSP, PIC FOUND THE VERTICAL STABILIZER TO HAVE UP AND DOWN PLAY.
- [SDR AC2A2009061182036](https://openairdocs.org/sdr/AC2A2009061182036), Jun 11, 2009: TRANSMISSION. CONTAMINATED. WHILE IN FLIGHT THE TRANSMISSION CHIP RT CAUTION LIGHT CAME ON. PILOT WAS ON APPROACH TO LAND AT MO916, ACFT HAD JUST BEEN STARTED AND WAS 2 MINUTES INTO THE FL
- [SDR CA090121007](https://openairdocs.org/sdr/CA090121007), Jan 9, 2009: BEAM. CHAFED. DURING ANNUAL INSPECTION, FRETTING RESIDUE WAS NOTED ON BOTTOM OF LEFT HAND PYLON BEAM ASSEMBLY 427-010-201-107. FURTHER INVESTIGATION AND SUBSEQUENT REMOVAL OF
- [SDR CA090107013](https://openairdocs.org/sdr/CA090107013), Jan 2, 2009: BRACKET. BROKEN. DURING A DAILY INSPECTION, THE AFT FAN SHAFT HANGAR BEARING SUPPORT BRACKET WAS FOUND TO BE BROKEN. THERE WAS NO DAMAGE TO THE SURROUNDING AREA, AND INSPECTION 
- [SDR AC2A2009010180117](https://openairdocs.org/sdr/AC2A2009010180117), Jan 1, 2009: SWITCH. FAILED. TRIPLE SWITCH FAILED.
- [SDR CA080710002](https://openairdocs.org/sdr/CA080710002), Jun 18, 2008: CABLE. BROKEN. (CAN) MANUAL RELEASE CABLE BROKE AT CARGO HOOK FITTING CAUSING HOOK TO RELEASE INFLIGHT.
- [SDR CA080528007](https://openairdocs.org/sdr/CA080528007), May 25, 2008: SHROUD. CHAFED. (CAN) OPERATOR REPORTED A MAIN ROTOR TRANSMISSION OIL LINE FAILURE. INSP REVEALED CHAFING DAMAGE TO THE OIL-LINE SHROUD ASSY FROM THE FIREWALL CLOSEOUT METAL ED
- [SDR AC2A119527](https://openairdocs.org/sdr/AC2A119527), Apr 15, 2008: ENGINE. MAKING METAL. MAKING METAL, (2) CHIP LIGHTS IN 80 HOURS.
- [SDR AC2A119028](https://openairdocs.org/sdr/AC2A119028), Feb 23, 2008: SUPPORT FITTING. DAMAGED. DURING A DAILY INSP SOME WORKING RIVETS WERE FOUND ALONG WITH SHEARED RIVET HEADS AT THE TAILBOOM WHERE THE TAIL ROTOR GEARBOX SUPPORT FITTING ATTACHES.
- [SDR AC2A118969](https://openairdocs.org/sdr/AC2A118969), Feb 23, 2008: SKIN. CHAFED. AIRCRAFT WAS BROUGHT IN FROM OFFSHORE. DURING A DAILY INSPECTION SOME WORKING AND MISSING RIVETS WERE FOUND ON THE TAIL BOOM. A THROUGH INSPECTION WAS PERFORMED
- [SDR CA080205004](https://openairdocs.org/sdr/CA080205004), Feb 1, 2008: SUPPORT. CRACKED. (CAN) T/R GEARBOX SUPPORT CAST SURFACE FOUND CRACKED AT LWR FWD LEG, ATTACHMENT POINT FOR THE VERTICAL FIN. (TC NR 20080205004)
- [SDR AC2A117357](https://openairdocs.org/sdr/AC2A117357), Sep 15, 2007: STARTER GEN. FAILED. STARTER GENERATOR WOULD NOT ENGAGE. WENT OFFSHORE TO REPLACE STARTER. ONCE OFFSHORE, ENGAGED STARTER SWITCH 3 TIMES AND THE STARTER WORKED AS ADVERTISED. ELECTE
- [SDR AC2A117321](https://openairdocs.org/sdr/AC2A117321), Sep 10, 2007: TRANSMISSION. MAKING METAL. TRANSMISSION CHIP LIGHT ILLUMINATED. 1 VERY SMALL FLAKE AND 1 SMALL HAIR SLIVER ON LT TRANSMISSION CHIP DETECTOR. CHECKED AND CLEANED PLUG, ALSO CHECKED THE OTH
- [SDR AC2A115478](https://openairdocs.org/sdr/AC2A115478), May 14, 2007: FAN. DAMAGED. FAN BLADES DISENGAGED FROM THE FAN DRIVE AND DAMAGED THE HUB AND BLADES.
- [SDR AC2A115466](https://openairdocs.org/sdr/AC2A115466), May 14, 2007: SKID SHOE. SEVERED. MOUNTING EARS ARE RIPPED OUT.
- [SDR CA070502006](https://openairdocs.org/sdr/CA070502006), Apr 26, 2007: CASE. CRACKED. (CAN) ON INVESTIGATING AN OIL LEAKAGE, A CRACK WAS FOUND ON THE TRANSMISSION LOWER CASE (SIMILAR LOCATION AS SDR 20070216006) (TC NR 20070502006)
- [SDR AC2A115477](https://openairdocs.org/sdr/AC2A115477), Apr 15, 2007: MOTOR. DAMAGED. FAN DISENGAGED FROM FAN MOTOR AND DAMAGED THE FAN HUB.
- [SDR CA070216006](https://openairdocs.org/sdr/CA070216006), Feb 7, 2007: GEARBOX. CRACKED. (CAN) FOUND A CRACK IN MAIN ROTOR TRANSMISSION, ON THE LT SIDE INPUT SHAFT. OIL STARTED TO SIP OUT OF THE TRANSMISSION. (TC NR 20070216006)
- [SDR AC2A113940](https://openairdocs.org/sdr/AC2A113940), Jan 27, 2007: TRANSMISSION. MAKING METAL. TRANSMISSION CHIP LIGHT. CALLED MECHANIC OUT TO AIRCRAFT TO CHECK AND VERIFY TRANSMISSION CHIP PLUG CONTAMINATION. MECHANIC FOUND THIN HAIRLIKE SLIVER OF METAL 
- [SDR AC2A113661](https://openairdocs.org/sdr/AC2A113661), Jan 17, 2007: BOLT. SHEARED. END OF BOLT SHEARED OFF WITH NUT.
- [SDR CA070209008](https://openairdocs.org/sdr/CA070209008), Jan 11, 2007: ENGINE. OVERSPEED. (CAN) THE ENGINE WENT TO AN OVERSPEED CONDITION ON TAKE-OFF AND THE TAKE-OFF WAS ABORTED. MFG WILL INVESTIGATE THE INCIDENT AND ADVISE OF ROOT CAUSE ONCE ESTABL
- [SDR CA061218016](https://openairdocs.org/sdr/CA061218016), Nov 8, 2006: HOSE. CHAFED. (CAN) HOSE ASSEMBLY 70-060T000X186 (18.750 INCHES LONG) RUBS AGAINST SUPPORT 427-001-005 WHEN THE COLLECTIVE STICK IS DOWN AND THE CYCLIC STICK IS CENTER AND FU
- [SDR AC2A111915](https://openairdocs.org/sdr/AC2A111915), Nov 5, 2006: MAST. WORN. DURING MAST RETORQUE, FOUND MAST SPLINES WORN, REPLACED MAST.
- [SDR AC2A111918](https://openairdocs.org/sdr/AC2A111918), Nov 5, 2006: BEARING. DELAMINATED. BEARING FOUND DELAMINATED, REPLACED BEARING.
- [SDR AC2A111917](https://openairdocs.org/sdr/AC2A111917), Nov 5, 2006: BEARING. DELAMINATED. BEARING FOUND DELAMINATED, REPLACED BEARING.
- [SDR AC2A110989](https://openairdocs.org/sdr/AC2A110989), Aug 16, 2006: GEARBOX. LOOSE. DURING 50 HOUR INSPECTION, FOUND TAIL ROTOR GEAR BOX LOOSE ON ITS MOUNTING STUDS. INSPECTED TAILBOOM MOUNTING PADS VIA DIE PENETRANT, NO DEFECTS FOUND. INSTALLE
- [SDR AC2A110528](https://openairdocs.org/sdr/AC2A110528), Jul 27, 2006: BEARING. DELAMINATED. FOUND DELAMINATED / REPLACED BEARING.
- [SDR AC2A110524](https://openairdocs.org/sdr/AC2A110524), Jul 27, 2006: BEARING. DELAMINATED. FOUND DELAMINATED / REPLACED BEARING
- [SDR CA060608004](https://openairdocs.org/sdr/CA060608004), May 11, 2006: BOLT. LOOSE. THE VERTICAL FIN WAS FOUND LOOSE DURING A SCHEDULE INSPECTION. ONE ATTACHMENT BOLT WAS SHANKED-OUT. ANOTHER BOLT WAS LOOSE BUT NOT SHANKED. NO OTHER DAMAGE WAS 
- [SDR CA060403002](https://openairdocs.org/sdr/CA060403002), Mar 30, 2006: WIRE STRIKE. DAMAGED. DURING COOL DOWN AT IDLE RPM CYCLIC CONTROL STICK WAS MOVED FORWARD AND MAIN ROTOR BLADE (QTY 2) CONTACTED THE UPPER CUTTER OF THE WIRE STIKE PROTECTION SYSTEM.
- [SDR AC2A108152](https://openairdocs.org/sdr/AC2A108152), Feb 22, 2006: RELAY. INOPERATIVE. BATTERY RELAY NOT WORKING / RELACED BATTERY RELAY.
- [SDR CA060224002](https://openairdocs.org/sdr/CA060224002), Feb 17, 2006: CYCLIC CONTROL. OBSTRUCTED. CYCLIC STICK FWD MOVEMENT RESTRICTED BY T/R PEDAL STOP MECHANISM CABLE. T/R PEDAL STOP MECHANISM CABLE BRACKET 427-001-296-103 FOUND MISLOCATED.

All 77: https://openairdocs.org/model/bell-helicopter-textron-canada-427/reports.md

## STCs that may be installed (OpenAirDocs) (37)

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 SR00472DE](https://openairdocs.org/stc/SR00472DE): Installation of mounting hardware to support blade folding kit. Dart Aerospace USA Inc
- [STC SR01456LA](https://openairdocs.org/stc/SR01456LA): Installation of Concorde RG407 Batteries. Rotorcraft Support Inc
- [STC SR02496LA](https://openairdocs.org/stc/SR02496LA): Installation of a single Garmin G500H system. Rotorcraft Support Inc
- [STC SR02704SE](https://openairdocs.org/stc/SR02704SE): Installation and maintenance of the Sunspot 36 and 46 series lights. AeroLED's Holdings LLC
- [STC SR01935NY-D](https://openairdocs.org/stc/SR01935NY-D): Installation of a Honeywell Chadwick Model 15175 VXP System. Diagnostic Solution International LLC
- [STC SR02622SE](https://openairdocs.org/stc/SR02622SE): Installation of Garmin G500H TXi Display System (Primary Flight Display (PDF), Multi-Function Display (MFD)). Garmin International Inc
- [STC SR02124SE](https://openairdocs.org/stc/SR02124SE): Installation functionality. of Data Garmin Required: transponders: (1) Garmin GTX Master 345/345R Drawing with List ADS-B (MDL), Out and In 005-00734-A4, functionality;. Garmin International Inc
- [STC SR00359BO](https://openairdocs.org/stc/SR00359BO): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. Whelen Aerospace Technologies
- [STC SR00821DE](https://openairdocs.org/stc/SR00821DE): Installation of Automatic Dependent Surveillance - Broadcast (ADS-B) Out and in functionality using the BendixKing KT74 Transponder and qualified position sensor and ADS-B In Receiver. Peregrine
- [STC SR02487AK](https://openairdocs.org/stc/SR02487AK): Installation of L-3 Communications Avionics Systems ESI-500 Standby Instrument System. ADS-B Technologies, LLC
- [STC SR02381AT](https://openairdocs.org/stc/SR02381AT): Installation of passenger sliding doors. Bell Helicopter Textron Inc
- [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 SR01296NY](https://openairdocs.org/stc/SR01296NY): Installation of Electronic News Gathering System. HAS Corporation
- [STC SR02432NY-D](https://openairdocs.org/stc/SR02432NY-D): Installation Chelton FlightLogic Electronic Flight Instrument System (EFIS). Sikorsky Aircraft Corporation
- [STC SR00418DE](https://openairdocs.org/stc/SR00418DE): Installation of cabin air conditioning system. Air Comm Corporation
- [STC SR00419DE](https://openairdocs.org/stc/SR00419DE): Installation of cabin heater. Air Comm Corporation
- [STC SR01813LA](https://openairdocs.org/stc/SR01813LA): Installation of Apical Industries, Inc. Emergency Float Kit. Apical Industries, Inc. dba Dart Aerospace
- [STC SR01953NY-D](https://openairdocs.org/stc/SR01953NY-D): Installation of a Honeywell Chadwick Model 15175 VXP System. Honeywell International Inc
- [STC SR02070AT](https://openairdocs.org/stc/SR02070AT): Manufacture of Baggage Floor Protector in accordance with Aeronautical Accessories, Inc. Drawing List Report No. AA-98097, no revision, dated October 2, 1998, or later FAA approved revisions, and installation per Aeronautical Accessories, Inc. Report AA-98091, no revision, dated July 27, 1998, or later FAA approved revisions. Bell Helicopter Textron Inc
- [STC SR02071AT](https://openairdocs.org/stc/SR02071AT): Manufacture of Replacement Crew Window in accordance with Aeronautical Accessories, Inc. Drawing List Report No. AA-98145, no revision, dated October 5, 1998, or later FAA approved revisions, and installation per Aeronautical Accessories, Inc. Report AA-98111, no revision, dated July 20, 1998, or later FAA approved revisions. Bell Helicopter Textron Inc
- [STC SR02072AT](https://openairdocs.org/stc/SR02072AT): Manufacture of replacement passenger window. Bell Helicopter Textron Inc
- [STC SR02074AT](https://openairdocs.org/stc/SR02074AT): Manufacture of Automatic Door Opener in accordance with Aeronautical Accessories, Inc. Drawing List Report AA-98109, no revision, dated October 30, 1998, or later FAA approved revisions, and installation per Aeronautical Accessories, Inc. Report AA-98099, no revision, dated July 7, 1998, or Report AA-98100, no revision, dated August 14, 1998, or Report AA-98105, no revision, dated July 9, 1998, or later FAA approved revision. Bell Helicopter Textron Inc
- [STC SR02075AT](https://openairdocs.org/stc/SR02075AT): Manufacture of Folding maintenance Step Assembly in accordance with Aeronautical Accessories, Inc. Drawing List Report No. AA-98066, no revision, dated October 1, 1998, or later FAA approved revisions, and installation per Aeronautical Accessories, Inc Report AA-98082, no revision, dated September 16, 1998, or later FAA approved revisions. Bell Helicopter Textron Inc
- [STC SR02076AT](https://openairdocs.org/stc/SR02076AT): Manufacture of Pre-Flight Step/Handle in accordance with Aeronautical Accessories, Inc. Drawing List Report No. AA-98110, no revision, dated October 2, 1998, or later FAA approved revisions, and installation per Aeronautical Accessories, Inc. Report AA-98098, no revision, dated July 7, 1998, or later FAA approved revisions. Bell Helicopter Textron Inc
- [STC SR02077AT](https://openairdocs.org/stc/SR02077AT): Manufacture of Cyclic support Safety Cover. Bell Helicopter Textron Inc
- [STC SR02196AT](https://openairdocs.org/stc/SR02196AT): Manufacture of Flitestep /Floatstep in accordance with Aeronautical Accessories, Inc. Drawing List Report No. AA-98149, Revision C, dated August 31, 2000, or later FAA approved revisions, and installation per Aeronautical Accessories, Inc. Report AA-98150, Revision B, dated April 24, 2000, or installation per Aeronautical Accessories, Inc. Report AA-99093, Revision C, dated April 24, 2000, or installation per Aeronautical Accessories, Inc. Report AA-00011, Revision A, dated April 24, 2000, or later FAA approved revisions. Bell Helicopter Textron Inc
- [STC SR02205AT](https://openairdocs.org/stc/SR02205AT): Tail Rotor Pedal Lockout Kit in accordance with Aeronautical Accessories, Inc. Drawing List AA-93088, Revision K, dated August 1, 2000, or later FAA approved revisions. Installation per Aeronautical Accessories, Inc. Report AA-00052, Revision A, dated August 1, 2000, or later FAA approved revisions. Bell Helicopter Textron Inc
- [STC SR02304AT](https://openairdocs.org/stc/SR02304AT): Cabin Floor Protectors manufactured. Bell Helicopter Textron Inc
- [STC SR02382AT](https://openairdocs.org/stc/SR02382AT): Installation of a cargo mirror in accordance with Aeronautical Accessories, Inc. (AAI) Master Drawing List Report AA-98157, Revision A, dated November 20, 2000, or later FAA approved revision. Bell Helicopter Textron Inc
- [STC SR09395RC](https://openairdocs.org/stc/SR09395RC): Installation of Supplemental Baggage Compartment Floor in accordance with Aeronautical Accessories, Inc., Drawing List Report No. AA-03047, Revision A, dated September 4, 2003, or later Federal Aviation Administration (FAA) approved revision. Bell Helicopter Textron Inc
- [STC SR01266NY](https://openairdocs.org/stc/SR01266NY): Installation of Wire Strike Protection System (WSPS). Bristol Aerospace Ltd
- [STC SR02287AK](https://openairdocs.org/stc/SR02287AK): Installation of Airglas, Inc., L2700-427 Ski Kit. Airglas Inc
- [STC SR01666NY](https://openairdocs.org/stc/SR01666NY): Installation of Helipro Sliding Windows. ACROHelipro Global Services Inc
- [STC SR01262NY](https://openairdocs.org/stc/SR01262NY): Installation of a FSI Ultra Media II, III, or Wescam camera and isolation mount. Helipro International
- [STC SR01532NY](https://openairdocs.org/stc/SR01532NY): Installation of D427-659 bearpaws and skis. Dart Aerospace Limited
- [STC SR01520NY](https://openairdocs.org/stc/SR01520NY): Installation of bulkhead adapter assembly p/n 427-25-11-901-001. Helipro International

## PMA parts (OpenAirDocs) (157, 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.

- [MDLDL-427EC](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID184640028820260923124152.0001): Cabin Air Conditioning System. Air Comm Corporation · PMA PQ0072NM · Modification part · Aug 31, 2026
- [MDLDL-427H](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID160922675620260923124152.0001): Cabin Heater System. Air Comm Corporation · PMA PQ0072NM · Modification part · Aug 31, 2026
- [4AA-310-102-103](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID164358475520260107201328.0001): Lead Lag Bearing. Able Aerospace Services, Inc. · PMA PQ2487NM · Replaces 407-310-102-103 · Jan 5, 2026
- [4AA-310-102-101](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID151305673920260107201329.0001): Lead Lag Bearing. Able Aerospace Services, Inc. · PMA PQ2487NM · Replaces 407-310-102-101 · Jan 5, 2026
- [407-310-100-107AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID148555892520260107201334.0001): Main Rotor Hub Damper. Able Aerospace Services, Inc. · PMA PQ2487NM · Replaces 407-310-100-107 · Jan 5, 2026
- [4AA-310-402-103](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID142846943320260107201330.0001): Bearing, Swashplate Assembly. Able Aerospace Services, Inc. · PMA PQ2487NM · Replaces 406-310-402-103 · Jan 5, 2026
- [4AA-310-406-105](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID102666718720260107201332.0001): Bushing. Able Aerospace Services, Inc. · PMA PQ2487NM · Replaces 406-310-406-105 · Jan 5, 2026
- [4AA-310-406-105](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID157507905820260108162807.0001): Bushing. Able Aerospace Services, Inc. · PMA PQ2487NM · Replaces 406-310-406-105 · Dec 15, 2025
- [407-310-100-107AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID131346332920260108162809.0001): Main Rotor Hub Damper. Able Aerospace Services, Inc. · PMA PQ2487NM · Replaces 407-310-100-107 · Dec 15, 2025
- [4AA-310-102-103](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID130798173620260108162802.0001): Lead Lag Bearing. Able Aerospace Services, Inc. · PMA PQ2487NM · Replaces 407-310-102-103 · Dec 15, 2025
- [4AA-310-402-103](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID117532689620260108162805.0001): Bearing, Swashplate Assembly. Able Aerospace Services, Inc. · PMA PQ2487NM · Replaces 406-310-402-103 · Dec 15, 2025
- [4AA-310-102-101](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID112668636020260108162804.0001): Lead Lag Bearing. Able Aerospace Services, Inc. · PMA PQ2487NM · Replaces 407-310-102-101 · Dec 15, 2025
- [4AA-310-102-101](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID185619833620250930105823.0001): Lead Lag Bearing. Able Aerospace Services, Inc. · PMA PQ2487NM · Replaces 407-310-102-101 · Sep 8, 2025
- [4AA-310-402-103](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID157655585820250930105824.0001): Bearing, Swashplate Assembly. Able Aerospace Services, Inc. · PMA PQ2487NM · Replaces 406-310-402-103 · Sep 8, 2025
- [4AA-310-406-105](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID154239194120250930105827.0001): Bushing. Able Aerospace Services, Inc. · PMA PQ2487NM · Replaces 4AA-310-406-105 · Sep 8, 2025
- [407-310-100-107AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID145905868120250930105829.0001): Main Rotor Hub Damper. Able Aerospace Services, Inc. · PMA PQ2487NM · Replaces 407-310-100-107 · Sep 8, 2025
- [4AA-310-102-103](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID107838992020250930105822.0001): Lead Lag Bearing. Able Aerospace Services, Inc. · PMA PQ2487NM · Replaces 407-310-102-103 · Sep 8, 2025
- [4AA-310-406-105](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID183375176020250731153512.0001): Bushing. Able Aerospace Services, Inc. · PMA PQ2487NM · Replaces 4AA-310-406-105 · Jul 21, 2025
- [4AA-310-102-103](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID182230809220250731153507.0001): Lead Lag Bearing. Able Aerospace Services, Inc. · PMA PQ2487NM · Replaces 4AA-310-102-103 · Jul 21, 2025
- [407-310-100-107AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID176356024720250731153514.0001): Main Rotor Hub Damper. Able Aerospace Services, Inc. · PMA PQ2487NM · Replaces 407-310-100-107AA · Jul 21, 2025
- [4AA-310-102-101](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID153101173420250731153509.0001): Lead Lag Bearing. Able Aerospace Services, Inc. · PMA PQ2487NM · Replaces 4AA-310-102-101 · Jul 21, 2025
- [4AA-310-402-103](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID101758202620250731153510.0001): Bearing, Swashplate Assembly. Able Aerospace Services, Inc. · PMA PQ2487NM · Replaces 406-310-402-103 · Jul 21, 2025
- [4AA-310-102-101](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID182550986520250618184752.0001): Lead Lag Bearing. Able Aerospace Services, Inc. · PMA PQ2487NM · Replaces 4AA-310-102-101 · May 6, 2025
- [4AA-310-406-105](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID179389921520250618184755.0001): Bushing. Able Aerospace Services, Inc. · PMA PQ2487NM · Replaces 4AA-310-406-10 · May 6, 2025
- [4AA-310-402-103](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID177784538320250618184753.0001): Bearing Swashplate Assembly. Able Aerospace Services, Inc. · PMA PQ2487NM · Replaces 4AA-310-402-103 · May 6, 2025
- [407-310-100-107A](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID116209379120250618184756.0001): Main Rotor Hub. Able Aerospace Services, Inc. · PMA PQ2487NM · Replaces 407-310-100-107A · May 6, 2025
- [4AA-310-102-103](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID114468850720250618184751.0001): Lead Lag Bearing. Able Aerospace Services, Inc. · PMA PQ2487NM · Replaces 4AA-310-102-103 · May 6, 2025
- [8422](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID199026142320250312124227.0001): Brkt, Accelerometer. Diagnostic Solutions International, LLC · PMA PQ05321NM · Modification part · Mar 3, 2025
- [17009](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID198526172820250312124300.0001): Kit, Accelerometer, ICP. Diagnostic Solutions International, LLC · PMA PQ05321NM · Modification part · Mar 3, 2025
- [13673](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID191342841020250312124236.0001): Bracket,Photocell, Banner, T/R, BL 206L. Diagnostic Solutions International, LLC · PMA PQ05321NM · Modification part · Mar 3, 2025
- [16279](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID184047787620250312124254.0001): BracketMounting ICP Single. Diagnostic Solutions International, LLC · PMA PQ05321NM · Modification part · Mar 3, 2025
- [13880](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID180744528720250312124237.0001): Cable Assy PCELL PigtailAirframe. Diagnostic Solutions International, LLC · PMA PQ05321NM · Modification part · Mar 3, 2025
- [8866](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID179585058620250312124229.0001): Velocimeter, EMI. Diagnostic Solutions International, LLC · PMA PQ05321NM · Modification part · Mar 3, 2025
- [17276](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID178937193420250312124305.0001): Bracket, Lemo Conn Mtg (3). Diagnostic Solutions International, LLC · PMA PQ05321NM · Modification part · Mar 3, 2025
- [17310](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID178577297220250312124306.0001): Bracket, TailBoom Disconnect Bell 427. Diagnostic Solutions International, LLC · PMA PQ05321NM · Modification part · Mar 3, 2025
- [16580](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID175416864120250312124257.0001): Doubler Plate. Diagnostic Solutions International, LLC · PMA PQ05321NM · Modification part · Mar 3, 2025
- [13537](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID174733647620250312124236.0001): Bracket, High Altitude Bell206L-4. Diagnostic Solutions International, LLC · PMA PQ05321NM · Modification part · Mar 3, 2025
- [16274](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID173814676120250312124252.0001): CableAssembly, ICPAccelerometer. Diagnostic Solutions International, LLC · PMA PQ05321NM · Modification part · Mar 3, 2025
- [3382](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID158115711520250312124224.0001): Accel Bracket. Diagnostic Solutions International, LLC · PMA PQ05321NM · Modification part · Mar 3, 2025
- [17275](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID156778876120250312124305.0001): Bracket,Aircraft Mounting VXPAcquisition Unit Bell 427. Diagnostic Solutions International, LLC · PMA PQ05321NM · Modification part · Mar 3, 2025
- [14316](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID150671902720250312124239.0001): Cable Assembly,Pigtail, HighTemp Accelerometer. Diagnostic Solutions International, LLC · PMA PQ05321NM · Modification part · Mar 3, 2025
- [14965](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID150578974820250312124244.0001): Cable Assy PC/TRKRPanel Mount Pigtail Airframe. Diagnostic Solutions International, LLC · PMA PQ05321NM · Modification part · Mar 3, 2025
- [12900](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID149598116620250312124234.0001): Assy, PhotocellBanner. Diagnostic Solutions International, LLC · PMA PQ05321NM · Modification part · Mar 3, 2025
- [16239](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID148405728320250312124250.0001): Cable Assy, Pigtail Velo Pnl Jack 6SA/F. Diagnostic Solutions International, LLC · PMA PQ05321NM · Modification part · Mar 3, 2025
- [10494](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID140627892820250312124231.0001): Accelerometer Hi-Temp. Diagnostic Solutions International, LLC · PMA PQ05321NM · Modification part · Mar 3, 2025
- [6752](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID131178132120250312124226.0001): High Freq. Accel, Brkt.. Diagnostic Solutions International, LLC · PMA PQ05321NM · Modification part · Mar 3, 2025
- [14320](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID130977609920250312124242.0001): Cable Assy, Pigtail, HighTempAccelerometer. Diagnostic Solutions International, LLC · PMA PQ05321NM · Modification part · Mar 3, 2025
- [15175](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID122560685320250312124246.0001): VXP Onboard Monitor. Diagnostic Solutions International, LLC · PMA PQ05321NM · Modification part · Mar 3, 2025
- [8853](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID120961703220250312124228.0001): Bracket, Accel. HighFreq.. Diagnostic Solutions International, LLC · PMA PQ05321NM · Modification part · Mar 3, 2025
- [17308](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID120007682220250312124306.0001): Panel, Remote DU Bell 427. Diagnostic Solutions International, LLC · PMA PQ05321NM · Modification part · Mar 3, 2025

All of them: https://openairdocs.org/model/bell-helicopter-textron-canada-427/pma.md

## The same model under other registry codes

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

- [Bell 427](https://openairdocs.org/model/bell-427): 6 registered aircraft, registry code 1182207

---
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.