# Bell Textron Canada 412EP

- Type: Aircraft model (FAA registry)
- Registry code: 1182217
- Manufacturer (registry): BELL TEXTRON CANADA LTD
- Model: 412EP
- Aircraft type: Rotorcraft
- Category: Rotorcraft
- Engines: 2 · Turbo-shaft
- Seats: 15
- Weight class: Up to 12,499 lb
- Certification: Type certificated
- Data sheet: [TCDS H4SW](https://openairdocs.org/tcds/H4SW) (OpenAirDocs)
- Holder: Bell Textron Inc.
- Registered aircraft: 33
- Page: https://openairdocs.org/model/bell-textron-canada-412ep

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 2026-08-10](https://openairdocs.org/ad/2026-08-10): Passenger compartment equipment · B/E Aerospace Fischer Medical Seat 230/305, EC135P1, EC135T1 and 19 more. Effective May 11, 2026
- [AD 2025-07-01](https://openairdocs.org/ad/2025-07-01): Air Data Computer · Synthetic Vision Electronic Flight Information System (Arrow STC SR09595RC or ST01523WI). Effective May 15, 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 2024-16-19](https://openairdocs.org/ad/2024-16-19): Rotorcraft Tail Boom · Bell Textron 212, 412CF, 412 and 1 more. Effective Nov 8, 2024
- [AD 2024-16-01](https://openairdocs.org/ad/2024-16-01): Fuselage structure · Bell Textron 205A, 205A-1, 205B and 4 more. Effective Sep 4, 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 2022-20-14](https://openairdocs.org/ad/2022-20-14): Main Rotor Gearbox · Bell Textron 204B, 205A, 205A-1 and 20 more. Effective Dec 27, 2022
- [AD 2022-22-12](https://openairdocs.org/ad/2022-22-12): Nose/Tail Landing Gear Structure/Axle · Replacement crosstubes P/N D212-664 (Dart Aerospace STC SR01298NY). Effective Nov 22, 2022
- [AD 2022-11-19](https://openairdocs.org/ad/2022-11-19): Aircraft Fuel System, Engine Oil System (Airframe) · Bell Textron 212, 412, 412CF and 1 more. Effective Jul 6, 2022
- [AD 2022-07-02](https://openairdocs.org/ad/2022-07-02): Rotorcraft Tail Boom · Bell Textron 205A, 205A-1, 205B and 5 more. Effective May 9, 2022
- [AD 2022-07-03](https://openairdocs.org/ad/2022-07-03): Flight Control System · Bell Textron 412, 412EP and 412CF. Effective Apr 27, 2022
- [AD 2022-05-10](https://openairdocs.org/ad/2022-05-10): Cabin Equipment/Furnishings · Airbus Helicopters AS332L, AS332L1, AS332L2 and 57 more. Effective Apr 20, 2022
- [AD 2020-22-07](https://openairdocs.org/ad/2020-22-07): Nacelle/Pylon Structure · Bell Textron 412, 412CF and 412EP. Effective Nov 18, 2020
- [AD 2020-16-10](https://openairdocs.org/ad/2020-16-10): Cabin Equipment/Furnishings · Bell Textron 204B, 205A, 205A-1 and 7 more. Effective Sep 3, 2020
- [AD 2020-12-10](https://openairdocs.org/ad/2020-12-10): Tail Rotor Blades · Bell Textron 205A, 205A-1, 205B and 4 more. Effective Jul 16, 2020
- [AD 2020-02-11](https://openairdocs.org/ad/2020-02-11): Inverter · Bell Helicopter Textron 412 and 412EP. Effective Mar 17, 2020
- [AD 2019-09-02](https://openairdocs.org/ad/2019-09-02): 7900 Engine Oil System and 2800 Aircraft Fuel System · Bell Helicopter Textron 212, 412, 412CF and 1 more. Effective Jun 4, 2019
- [AD 2018-16-14](https://openairdocs.org/ad/2018-16-14): Emergency Flotation Section · Bell Helicopter Textron 212, 412 and 412EP. Effective Oct 4, 2018
- [AD 2013-20-18](https://openairdocs.org/ad/2013-20-18): Main Rotor Head · Bell Helicopter Textron 412, 412CF and 412EP. Effective Nov 29, 2013
- [AD 2013-16-16](https://openairdocs.org/ad/2013-16-16): Main Landing Gear Strut/Axle/Truck · Replacement crosstubes P/N D212-664 (Dart Aerospace STC SR01298NY). Effective Sep 17, 2013
- [AD 2013-15-02](https://openairdocs.org/ad/2013-15-02): Tail Rotor Blades · Bell Helicopter Textron 205A, 205A-1, 205B and 5 more. Effective Aug 14, 2013
- [AD 2013-06-51](https://openairdocs.org/ad/2013-06-51): Equipment/Furnishings · Agusta A109, A109A, A109A II and 43 more. Effective Jul 15, 2013
- [AD 2013-05-14](https://openairdocs.org/ad/2013-05-14): Main Rotor Mast/Swashplate · Bell Helicopter Textron 412 and 412EP. Effective Apr 26, 2013
- [AD 2013-01-04](https://openairdocs.org/ad/2013-01-04): Main Landing Gear · Bell Helicopter Textron 412 and 412EP. Effective Mar 11, 2013
- [AD 2012-22-11](https://openairdocs.org/ad/2012-22-11): Main Rotor · Bell Helicopter Textron 412, 412CF and 412EP. Effective Dec 20, 2012
- [AD 2012-22-06](https://openairdocs.org/ad/2012-22-06): High Landing Gear Forward Crosstube Assembly · Aeronautical Accessories AB412, AB412 EP, 205A and 7 more. Effective Dec 14, 2012
- [AD 2012-11-13](https://openairdocs.org/ad/2012-11-13): High Landing Gear Aft Crosstube Assembly · Aeronautical Accessories AB412, AB412 EP, 412 and 3 more. Effective Jul 30, 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 2010-26-52](https://openairdocs.org/ad/2010-26-52): Tail Rotor Blade · Bell Helicopter Textron 204B, 205A, 205A-1 and 6 more. Effective Nov 15, 2011
- [AD 2010-10-16](https://openairdocs.org/ad/2010-10-16): Crosstube · Agusta AB412, AB412 EP, 205A and 6 more. Effective Jun 8, 2010
- [AD 2007-22-02](https://openairdocs.org/ad/2007-22-02): Tail rotor blade (blade) forward tip weight retention block (tip block) and the aft tip closure (tip closure) · Bell Helicopter Textron 205A, 205A-1, 205B and 4 more. Effective Nov 30, 2007
- [AD 2005-20-38](https://openairdocs.org/ad/2005-20-38): Reservoir assembly adapter (adapter) · Bell Helicopter Textron 212, 412 and 412EP with STC SH2820SO. Effective Oct 28, 2005
- [AD 2001-13-01](https://openairdocs.org/ad/2001-13-01): Tail Rotor Counterweight Bellcrank (bellcrank) Retention Nut (retention nut) · Bell Helicopter Textron 205A-1, 205B, 212 and 3 more. Effective Aug 1, 2001
- [AD 2001-09-11](https://openairdocs.org/ad/2001-09-11): Tail Rotor Yoke · Agusta AB412, AB412 EP, 412 and 2 more. Effective Jun 11, 2001
- [AD 2001-08-04](https://openairdocs.org/ad/2001-08-04): Main Rotor Actuator · Bell Helicopter Textron 205A-1, 205B, 212 and 3 more. Effective May 3, 2001
- [AD 99-23-23](https://openairdocs.org/ad/99-23-23): Measure Yolk  Inspection · Bell Helicopter Textron 412, 412CF and 412EP. Effective Dec 1, 1999
- [AD 97-11-04](https://openairdocs.org/ad/97-11-04): Mast And Spline Plate · Bell Helicopter Textron 412 and 412EP. Effective Jun 24, 1997

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 2018-17-01](https://openairdocs.org/ad/2018-17-01) (historical): Engine Oil System and Aircraft Fuel System · Bell Helicopter Textron 212, 412, 412CF and 1 more. Effective Sep 5, 2018
- [AD 2015-04-04](https://openairdocs.org/ad/2015-04-04) (historical): AC Inverter · Bell Helicopter Textron 412 and 412EP. Effective Mar 11, 2015
- [AD 2011-12-08](https://openairdocs.org/ad/2011-12-08) (historical): Tail rotor (T/R) blades · Bell Helicopter Textron 205A, 205A-1, 205B and 4 more. Effective Jul 5, 2011
- [AD 2009-05-09](https://openairdocs.org/ad/2009-05-09) (historical): Main rotor yoke · Bell Helicopter Textron 412, 412CF and 412EP. Effective Mar 31, 2009
- [AD 2008-10-03](https://openairdocs.org/ad/2008-10-03) (historical): Tail rotor blade assembly · Bell Helicopter Textron 204B, 205A, 205A-1 and 6 more. Effective May 21, 2008
- [AD 2007-19-53](https://openairdocs.org/ad/2007-19-53) (historical): Tail rotor blade (blade) · Bell Helicopter Textron 204B, 205A, 205A-1 and 6 more. Effective Dec 5, 2007
- [AD 2002-09-04](https://openairdocs.org/ad/2002-09-04) (historical): Tip Block and Tip Closure · Bell Helicopter Textron 205A, 205A-1, 205B and 4 more. Effective Jun 7, 2002
- [AD 2000-18-09](https://openairdocs.org/ad/2000-18-09) (historical): Tailboom Attachment Cap Angle · Bell Helicopter Textron 412, 412CF and 412EP. Effective Sep 28, 2000

## Information bulletins (advisory) (4)

- [SAIB SW-12-38](https://openairdocs.org/saib/SW-12-38): Emergency Push Out  Window Retention. Issued Jul 30, 2012
- [SAIB SW-08-42](https://openairdocs.org/saib/SW-08-42): Emergency Float with Liferaft Kits (kits). Issued Aug 27, 2008
- [SAIB SW-07-29](https://openairdocs.org/saib/SW-07-29): High skid gear crosstubes. Issued Apr 18, 2007
- [SAIB SW-05-47](https://openairdocs.org/saib/SW-05-47): . Issued Apr 5, 2005

## Registered aircraft (33)

- [N101HX](https://openairdocs.org/aircraft/N101HX): [Helicopter Express LLC](https://openairdocs.org/faa-owner/HELICOPTER%20EXPRESS%20LLC), [Chamblee, GA](https://openairdocs.org/faa-place/GA/Chamblee), built 2024, S/N 39123
- [N103HX](https://openairdocs.org/aircraft/N103HX): [Helicopter Express LLC](https://openairdocs.org/faa-owner/HELICOPTER%20EXPRESS%20LLC), [Chamblee, GA](https://openairdocs.org/faa-place/GA/Chamblee), built 2024, S/N 39125
- [N133LA](https://openairdocs.org/aircraft/N133LA): [Consolidated Fire Protection](https://openairdocs.org/faa-owner/CONSOLIDATED%20FIRE%20PROTECTION), [Pacoima, CA](https://openairdocs.org/faa-place/CA/Pacoima), S/N 39136
- [N139TC](https://openairdocs.org/aircraft/N139TC): [Bell Textron Inc](https://openairdocs.org/faa-owner/BELL%20TEXTRON%20INC), [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth), S/N 39160
- [N144AT](https://openairdocs.org/aircraft/N144AT): [Bell Textron Inc](https://openairdocs.org/faa-owner/BELL%20TEXTRON%20INC), [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth), S/N 39144
- [N145BH](https://openairdocs.org/aircraft/N145BH): [Bell Textron Inc](https://openairdocs.org/faa-owner/BELL%20TEXTRON%20INC), [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth), S/N 39145
- [N156BH](https://openairdocs.org/aircraft/N156BH): [Bell Textron Inc](https://openairdocs.org/faa-owner/BELL%20TEXTRON%20INC), [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth), S/N 39156
- [N157BH](https://openairdocs.org/aircraft/N157BH): [Bell Textron Inc](https://openairdocs.org/faa-owner/BELL%20TEXTRON%20INC), [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth), S/N 39157
- [N193AT](https://openairdocs.org/aircraft/N193AT): [Bell Textron Inc](https://openairdocs.org/faa-owner/BELL%20TEXTRON%20INC), [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth), S/N 39148
- [N193BM](https://openairdocs.org/aircraft/N193BM): [Bell Textron Inc](https://openairdocs.org/faa-owner/BELL%20TEXTRON%20INC), [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth), S/N 39149
- [N284SD](https://openairdocs.org/aircraft/N284SD): [City Of San Diego Fire-Rescue Dept](https://openairdocs.org/faa-owner/CITY%20OF%20SAN%20DIEGO%20FIRE-RESCUE%20DEPT), [San Diego, CA](https://openairdocs.org/faa-place/CA/San%20Diego), built 2024, S/N 39132
- [N300SJ](https://openairdocs.org/aircraft/N300SJ): [Bell Textron Inc](https://openairdocs.org/faa-owner/BELL%20TEXTRON%20INC), [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth), built 2025, S/N 39142
- [N306SB](https://openairdocs.org/aircraft/N306SB): [San Bernardiino County Sheriffs Dept](https://openairdocs.org/faa-owner/SAN%20BERNARDIINO%20COUNTY%20SHERIFFS%20DEPT), [San Bernardino, CA](https://openairdocs.org/faa-place/CA/San%20Bernardino), built 2023, S/N 39116
- [N308SB](https://openairdocs.org/aircraft/N308SB): [San Bernardino County Sheriffs Dept](https://openairdocs.org/faa-owner/SAN%20BERNARDINO%20COUNTY%20SHERIFFS%20DEPT), [San Bernardino, CA](https://openairdocs.org/faa-place/CA/San%20Bernardino), built 2023, S/N 39114
- [N390BT](https://openairdocs.org/aircraft/N390BT): [Bell Textron Inc](https://openairdocs.org/faa-owner/BELL%20TEXTRON%20INC), [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth), built 2025, S/N 39140
- [N391BM](https://openairdocs.org/aircraft/N391BM): [Bell Textron Inc](https://openairdocs.org/faa-owner/BELL%20TEXTRON%20INC), [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth), built 2025, S/N 39138
- [N391TC](https://openairdocs.org/aircraft/N391TC): [Bell Textron Inc](https://openairdocs.org/faa-owner/BELL%20TEXTRON%20INC), [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth), S/N 39147
- [N391TM](https://openairdocs.org/aircraft/N391TM): [Bell Textron Inc](https://openairdocs.org/faa-owner/BELL%20TEXTRON%20INC), [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth), built 2025, S/N 39151
- [N395BH](https://openairdocs.org/aircraft/N395BH): [Bell Textron Inc](https://openairdocs.org/faa-owner/BELL%20TEXTRON%20INC), [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth), S/N 39146
- [N395BT](https://openairdocs.org/aircraft/N395BT): [Bell Textron Inc](https://openairdocs.org/faa-owner/BELL%20TEXTRON%20INC), [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth), built 2026, S/N 39158
- [N409KC](https://openairdocs.org/aircraft/N409KC): [Kern County Fire Department](https://openairdocs.org/faa-owner/KERN%20COUNTY%20FIRE%20DEPARTMENT), [Bakersfield, CA](https://openairdocs.org/faa-place/CA/Bakersfield), built 2024, S/N 39128
- [N40VA](https://openairdocs.org/aircraft/N40VA): [Commonwealth Of Virgina Dept Of State Police](https://openairdocs.org/faa-owner/COMMONWEALTH%20OF%20VIRGINA%20DEPT%20OF%20STATE%20POLICE), [Richmond, VA](https://openairdocs.org/faa-place/VA/Richmond), built 2025, S/N 39135
- [N412VC](https://openairdocs.org/aircraft/N412VC): [County Of Ventura Sheriffs Office](https://openairdocs.org/faa-owner/COUNTY%20OF%20VENTURA%20SHERIFFS%20OFFICE), [Camarillo, CA](https://openairdocs.org/faa-place/CA/Camarillo), built 2022, S/N 39108
- [N412WP](https://openairdocs.org/aircraft/N412WP): [Salt River Project](https://openairdocs.org/faa-owner/SALT%20RIVER%20PROJECT), [Phoenix, AZ](https://openairdocs.org/faa-place/AZ/Phoenix), built 2022, S/N 39106
- [N535NC](https://openairdocs.org/aircraft/N535NC): [West States Leasing Inc](https://openairdocs.org/faa-owner/WEST%20STATES%20LEASING%20INC), [Medford, OR](https://openairdocs.org/faa-place/OR/Medford), built 2025, S/N 39134
- [N600SC](https://openairdocs.org/aircraft/N600SC): [South Carolina Law Enforcement Division](https://openairdocs.org/faa-owner/SOUTH%20CAROLINA%20LAW%20ENFORCEMENT%20DIVISION), [Columbia, SC](https://openairdocs.org/faa-place/SC/Columbia), built 2023, S/N 39119
- [N760GE](https://openairdocs.org/aircraft/N760GE): [San Diego Gas & Electric Co](https://openairdocs.org/faa-owner/SAN%20DIEGO%20GAS%20%26%20ELECTRIC%20CO), [San Diego, CA](https://openairdocs.org/faa-place/CA/San%20Diego), built 2022, S/N 39105
- [N914BT](https://openairdocs.org/aircraft/N914BT): S/N 39164, N-number assigned (import), not yet registered
- [N915HB](https://openairdocs.org/aircraft/N915HB): [Bell Textron Inc](https://openairdocs.org/faa-owner/BELL%20TEXTRON%20INC), [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth), built 2025, S/N 39150
- [N916BH](https://openairdocs.org/aircraft/N916BH): [Bell Textron Inc](https://openairdocs.org/faa-owner/BELL%20TEXTRON%20INC), [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth), S/N 39162
- [N921PD](https://openairdocs.org/aircraft/N921PD): [City Of New York Police Department](https://openairdocs.org/faa-owner/CITY%20OF%20NEW%20YORK%20POLICE%20DEPARTMENT), [Brooklyn, NY](https://openairdocs.org/faa-place/NY/Brooklyn), built 2022, S/N 39107
- [N922PD](https://openairdocs.org/aircraft/N922PD): [City Of New York Police Dept](https://openairdocs.org/faa-owner/CITY%20OF%20NEW%20YORK%20POLICE%20DEPT), [Brooklyn, NY](https://openairdocs.org/faa-place/NY/Brooklyn), built 2022, S/N 39112
- [N989RL](https://openairdocs.org/aircraft/N989RL): [San Diego County Sherriffs Department](https://openairdocs.org/faa-owner/SAN%20DIEGO%20COUNTY%20SHERRIFFS%20DEPARTMENT), [San Diego, CA](https://openairdocs.org/faa-place/CA/San%20Diego), built 2023, S/N 39110

## NTSB investigations

None matched to aircraft with this model.

## FAA accident and incident reports

None matched to aircraft with this model.

## Service difficulty reports (181, newest 50)

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

- [SDR 2025FA0000642](https://openairdocs.org/sdr/2025FA0000642), Sep 12, 2025: STATIC INVERTER. OVERHEATED. THE CREW CAME OUT FOR A TRAINING FLIGHT, STARTED THE AIRCRAFT JUST FINE AND IDLED ON DECK FOR A FEW MINUTES. UPON TAKE OFF THE #1 INVERTER SWITCH TURNED ITSELF 
- [SDR 2023FA0000361](https://openairdocs.org/sdr/2023FA0000361), Mar 27, 2023: FITTING. SHEARED. DURING CRUISE FLIGHT EXPERIENCED A TOTAL LOSS OF ALL MAIN ROTOR TRANSMISSION FLUID DUE TO FAILURE OF 1 ELBOW FITTING (P/N: AS1040W0404). EMERGENCY LANDING PERFO
- [SDR RV1R2020010800019](https://openairdocs.org/sdr/RV1R2020010800019), Sep 30, 2019: ELASTOMER. FAILED. FAILED ELASTOMER FOUND DURING REMOVAL FOR MAST SEAL REPLACEMENT. THIS PART CAN ONLY BE INSPECTED WITH MR HUB DISASSEMBLED AND THE ONLY REQUIREMENT FOR THIS INSP
- [SDR RV1R20191002466](https://openairdocs.org/sdr/RV1R20191002466), Sep 30, 2019: BEARING. SEPARATED. COMPLETE SEPERATION OF THE PIVOT BEARING ELASTOMER FROM THE BASE. NOT VISABLE WITH THE BLADES INSTALLED, TOTAL FAIURE HAD NOT TAKEN PLACE 7.0 HOURS AGO.THIS ITE
- [SDR 2019FA0000239](https://openairdocs.org/sdr/2019FA0000239), Aug 1, 2019: BELLCRANK. LOOSE. THE HELICOPTER EXPERIENCED A TORQUE AND RPM FLUCTUATION SHORTLY AFTER TAKE-OFF. A FAULTY AUTOMATIC FUEL CONTROL UNIT WAS REPLACED. DURING THE ENGINE RIGGING PRO
- [SDR CA190604022](https://openairdocs.org/sdr/CA190604022), Jun 4, 2019: CABLE. OUT OF RIG. (CAN) ON INSPECTION, FACTORY LEAD SEAL BROKEN AND LIFE RAFT ACTUATING CABLES WERE FOUND TO BE OUT OF RIG I.A.W. MANUFACTURES ICA DIMENSIONS (PARA 4.4.6 & 4.4.7)
- [SDR CA190510007](https://openairdocs.org/sdr/CA190510007), May 9, 2019: CABLE. OUT OF RIG. (CAN) AFTER A SUCCESSFUL FLOAT DEPLOYMENT AND INFLATION FROM COCKPIT DURING THE 36 MONTH INSPECTION, THE LIFE RAFT DEPLOYMENT HANDLE WAS CYCLED NUMEROUS TIMES B
- [SDR 2018FA0000303](https://openairdocs.org/sdr/2018FA0000303), Jul 25, 2018: BEVEL GEAR. WORN. DURING ROUTINE MAINTENANCE / MODIFICATION IT WAS VISUALLY NOTED THAT THERE WAS AN ABNORMAL WEAR PATTERN ON THE SPIRAL BEVEL GEAR INSIDE THE MAIN ROTOR TRANSMISS
- [SDR CA180510007](https://openairdocs.org/sdr/CA180510007), May 10, 2018: WIRE. CHAFED. (CAN) PART NUMBERS: D38999/26WA98SN AND 30-269-1P09N05 WIRING THROUGH EMI CONNECTOR CONTACTS AND CHAFES ON BACKSHELL 90 DEGREE BEND AND SHORTS TO GROUND GIVING 
- [SDR 2017FA0000222](https://openairdocs.org/sdr/2017FA0000222), May 30, 2017: WINDSCREEN. CRACKED. EN ROUTE TO HOMEBASE, PILOT NOTICED WINDSCREEN WAS CRACKED
- [SDR QMLA2016072516085](https://openairdocs.org/sdr/QMLA2016072516085), Jul 25, 2016: WINDSHIELD. CRACKED. ON NR 1 ENGINE START UP THE CO-PILOT WINDSCREEN CRACKED APPROX. 28" ALONG THE LOWER EDGE. THE PILOT SHUT DOWN THE ENGINE AND WROTE UP THE DISCREPANCY. MECHANICS
- [SDR CA150911005](https://openairdocs.org/sdr/CA150911005), Sep 2, 2015: ENGINE. POWER LOSS. (CAN) WHILE ON APPROACH THE ACFT LOST POWER FROM NR 2ENGINE. CREW MADE A EMERGENCY CALL OUT AND TOOK APPROPRIATE EMERGENCY ACTION TO STABILIZE THE FLIGHT FOR SI
- [SDR CA150727014](https://openairdocs.org/sdr/CA150727014), Jul 24, 2015: CLUTCH. SLIPPED. (CAN) ON HOIST OPERATION, THE RESCUE SPECIALIST REPORTED A SLIPPAGE FROM THE HOIST CABLE WHILE DESCENDING ON THE SITE. THE UNIT IS NOT INCLUDED IN THE LIST OF A
- [SDR CA150709001](https://openairdocs.org/sdr/CA150709001), Jun 26, 2015: BEARING. SEPARATED. (CAN) THE QUALITY OF RIDE IN THE HELICOPTER DEGRADED AND THE HUMS SYSTEM ALSO HAD INDICATED AN ISSUE. DURING THE INVESTIGATION, IT WAS FOUND THAT THE PIVOT BEAR
- [SDR CA150602010](https://openairdocs.org/sdr/CA150602010), May 16, 2015: ENGINE. OVERTEMP. (CAN) REPORTED THAT DURING A TRAINING FLIGHT, ENGINE NR 1 OVERTEMPED WHEN GOVERNOR WAS SWITCHED FROM AUTO TO MAN WITH N1 AT 70 PERCENT. GROUND INSPECTION PERFOR
- [SDR CA141202002](https://openairdocs.org/sdr/CA141202002), Nov 3, 2014: ENGINE. MAKING METAL. (CAN) BEFORE TAKEOFF, PILOT REPORTED THAT THE CHIP DETECTOR CAUTION LIGHT WAS ILLUMINATED, THUS THE PILOT PROCEEDED TO SHUTDOWN THE ENGINE AND THE FLIGHT WAS AB
- [SDR 9EKA20141030012](https://openairdocs.org/sdr/9EKA20141030012), Oct 29, 2014: OIL COOLER. CRACKED. DURING 1000 HOUR INSPECTION OF OIL COOLERS MULTIPLE CRACKS ON VANE WELDS WERE FOUND.
- [SDR CA141003002](https://openairdocs.org/sdr/CA141003002), Oct 2, 2014: WIRE. SMOKE. (CAN) WHEN STARTING ENGINE NR 1 WITH BATTERY POWER IN AUTO MODE, AND UPON REACHING 61 PERCENT NG, ELECTRICAL SMOKE WAS NOTICED COMING OUT FROM UNDER THE COPILOT
- [SDR CA140908028](https://openairdocs.org/sdr/CA140908028), Sep 4, 2014: YOKE. UNSERVICEABLE. (CAN) DURING THE DAILY INSPECTION IT WAS NOTICED THAT 1 TAIL ROTOR YOKE FEATHERING BEARING OUTER RACE STAKE HAD FAILED. UPON FURTHER INVESTIGATION ALL 4 TAIL RO
- [SDR CA140813006](https://openairdocs.org/sdr/CA140813006), Aug 2, 2014: BLADE. DELAMINATED. (CAN) MAIN ROTOR BLADE DELAMINATION FOUND DURING INSPECTION. LOCATION WAS INBD OF THE INBD TRIM TAB. THE MAIN ROTOR BLADE IS ON CONDITION. BLADE REPLACED AND AC
- [SDR CA131118023](https://openairdocs.org/sdr/CA131118023), Nov 18, 2013: CLEVIS. CRACKED. (CAN) DURING 2500HR INSPECTION OF A THE MAIN ROTOR HEAD, ONE DROOP RESTRAINT CLEVIS WAS FOUND TO HAVE A LENGTHWISE CRACK RUNNING ENTIRE LENGTH OF CLEVIS.
- [SDR CA131118006](https://openairdocs.org/sdr/CA131118006), Nov 5, 2013: GEAR. FAILED. (CAN) THE ACFT RETURNED TO BASE WITHOUT COMPLETING ITS MISSION DUE TO ENGINE NR 2 CHIP WARNING. THE AFFECTED POWER SECTION WAS APPARENTLY SHUTDOWN. POST FLIGHT 
- [SDR CA130701009](https://openairdocs.org/sdr/CA130701009), Jun 14, 2013: OIL SYSTEM. LOW PRESSURE. (CAN) THE PILOT SHUTDOWN THE ENGINE NR 1 DUE TO OIL PRESSURE LOST.
- [SDR CA130416012](https://openairdocs.org/sdr/CA130416012), Apr 4, 2013: ENGINE. SHUTDOWN. (CAN) IN PREPARATION OF THE ENGINE SHUTDOWN, ENGINES THROTTLES WERE BROUGHT DOWN TO FLIGHT IDLE, APPROXIMATELY 80 PERCENT NR, ALLOWING FOR COOLING PERIOD. ALL O
- [SDR CA121022005](https://openairdocs.org/sdr/CA121022005), Sep 27, 2012: LINE. BROKEN. (CAN) THIS HELICOPTER HAS EXPERIENCED ITS SECOND BROKEN P3 AIR LINE, IN 600 HOURS ON ENGINE NR 1. THE PREVIOUS EVENT WAS WITH PS TH0727 IN THE SAME POSITION ON 
- [SDR ALGA2012061804](https://openairdocs.org/sdr/ALGA2012061804), Jun 18, 2012: SUPPORT CASE. CRACKED. CRACKED SUPPORT CASE BEYOND LIMITS.
- [SDR ALGA2012061406](https://openairdocs.org/sdr/ALGA2012061406), Jun 14, 2012: CROSSTUBE. CORRODED. CROSSTUBE, CORROSION BEYOND LIMITS.
- [SDR ALGA2012061307](https://openairdocs.org/sdr/ALGA2012061307), Jun 13, 2012: CROSSTUBE. CORRODED. CROSSTUBE, CORROSION BEYOND LIMITS.
- [SDR ALGA2012052216](https://openairdocs.org/sdr/ALGA2012052216), May 22, 2012: CROSSTUBE. CORRODED. CROSSTUBE HAS CORROSION BEYOND LIMITS IN ZONE 2.
- [SDR ALGA2012052215](https://openairdocs.org/sdr/ALGA2012052215), May 22, 2012: CROSSTUBE. CORRODED. CROSSTUBE HAS CORROSION BEYOND REPAIR LIMITS IN ZONE 1 & 2.
- [SDR ALGA2012051401](https://openairdocs.org/sdr/ALGA2012051401), May 14, 2012: CROSSTUBE. CORRODED. CROSSTUBE CORRODED BEYOND REPAIRABLE LIMITS.
- [SDR ALGA2012051103](https://openairdocs.org/sdr/ALGA2012051103), May 11, 2012: BLOWER. WORN. OIL COOLER BLOWER WORN, REPLACED ONE BEARING, PN 47-134-2 AND 1 EA BEARING, PN 47-146-1 BOTH DUE TO WEAR BEYOND REPAIRABLE LIMITS. REPLACED 1 EA GUIDE VANE PN 2
- [SDR ALGA2012050202](https://openairdocs.org/sdr/ALGA2012050202), May 2, 2012: SKIN. CORRODED. LOWER SKIN CORRODED BEYOND LIMITS AT STA 69.00.
- [SDR ALGA2012050201](https://openairdocs.org/sdr/ALGA2012050201), May 2, 2012: WEB. CORRODED. BOTTOM FLANGE ON WEB CORRODED BEYOND LIMITS FROM LBL 12.68 TO RBL12.68 ST. 69.00.
- [SDR ALGA2012041801](https://openairdocs.org/sdr/ALGA2012041801), Apr 18, 2012: SHAFT. SHEARED. OIL COOLER BLOWER HAS A SHEARED SHAFT.
- [SDR ALGA2012032602](https://openairdocs.org/sdr/ALGA2012032602), Mar 26, 2012: PANEL. CORRODED. PANEL HAS CORROSION AND SEPARATION BEYOND LIMITS.
- [SDR ALGA2012321000004](https://openairdocs.org/sdr/ALGA2012321000004), Mar 21, 2012: BEARING. WORN. MAIN ROTOR DRIVE LINK BEARING WORN BEYOND LIMITS.
- [SDR ALGA2012032100003](https://openairdocs.org/sdr/ALGA2012032100003), Mar 21, 2012: BEARING. WORN. MAIN ROTOR DRIVE LINK BEARING WORN BEYOND LIMITS.
- [SDR ALGA2012032100002](https://openairdocs.org/sdr/ALGA2012032100002), Mar 21, 2012: BEARING. WORN. MAIN ROTOR DRIVE LINK BEARING WORN BEYOND LIMITS.
- [SDR ALGA2012032100001](https://openairdocs.org/sdr/ALGA2012032100001), Mar 21, 2012: BEARING. WORN. MAIN ROTOR DRIVE LINK BEARING WORN BEYOND LIMITS.
- [SDR ALGA201203121202](https://openairdocs.org/sdr/ALGA201203121202), Mar 12, 2012: SKIN. CORRODED. DOOR HAS CORROSION BEYOND REPAIRABLE LIMITS.
- [SDR ALGA3121201](https://openairdocs.org/sdr/ALGA3121201), Mar 12, 2012: SKIN. CORRODED. CREW DOOR SKIN HAS CORROSION BEYOND REPAIR LIMITS.
- [SDR ALGA20122281205](https://openairdocs.org/sdr/ALGA20122281205), Feb 28, 2012: SLEEVE. CORRODED. TRANSMISSION SLEEVE CORRODED BEYOND LIMITS.
- [SDR ALGA20122281204](https://openairdocs.org/sdr/ALGA20122281204), Feb 28, 2012: CASE. CORRODED. TRANSMISSION CASE CORRODED BEYOND LIMITS.
- [SDR ALGA20122281203](https://openairdocs.org/sdr/ALGA20122281203), Feb 28, 2012: COVER. CORRODED. TRANSMISSION CORRODED BEYOND LIMITS.
- [SDR ALGA20122281202](https://openairdocs.org/sdr/ALGA20122281202), Feb 28, 2012: CASE. CORRODED. CORRODED BEYOND LIMITS.
- [SDR ALGA20122281201](https://openairdocs.org/sdr/ALGA20122281201), Feb 28, 2012: SUPPORT CASE. CORRODED. TRANSMISSION SUPPORT CASE CORRODED BEYOND LIMITS.
- [SDR ALGA20122271211](https://openairdocs.org/sdr/ALGA20122271211), Feb 27, 2012: PANEL. CORRODED. PANEL ON TAILBOOM CORRODED BEYOND LIMITS
- [SDR ALGA20122271210](https://openairdocs.org/sdr/ALGA20122271210), Feb 27, 2012: SUPPORT. CRACKED. SUPPORT CRACKED BEYOND LIMITS.
- [SDR ALGA20122271209](https://openairdocs.org/sdr/ALGA20122271209), Feb 27, 2012: STRUCTURE. SEPARATED. ENGINE DECK STRUCTURE HAS SEPARATION BEYOND LIMITS.

All 181: https://openairdocs.org/model/bell-textron-canada-412ep/reports.md

## STCs that may be installed (OpenAirDocs) (263, 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 SR01928NY](https://openairdocs.org/stc/SR01928NY): Installation of emergency float system. Leonardo Helicopters US Corporation
- [STC SR12427IB](https://openairdocs.org/stc/SR12427IB): Installation of an AEM MTP136D Panel Mount FM Transceiver. Anodyne Electronics Manufacturing Corporation
- [STC SR02736NY](https://openairdocs.org/stc/SR02736NY): Installation of Utility Basket on the right hand side. Alpine Aerotech Ltd
- [STC SR02270SE](https://openairdocs.org/stc/SR02270SE): Fabrication and installation of Geneva Aviation Audio System. AEM USA Inc
- [STC SR02444SE](https://openairdocs.org/stc/SR02444SE): Installation of P178 Failsafe Audio Mixer. AEM USA Inc
- [STC SR12332SE](https://openairdocs.org/stc/SR12332SE): Installation of Mechanical Specialties, LLC Human External Cargo (HEC) and non-HEC Hook System. Mechanical Specialties, LLC
- [STC SH3261SO](https://openairdocs.org/stc/SH3261SO): Installation of replacement skid tubes. Bell Helicopter Textron Inc
- [STC SR12148LA](https://openairdocs.org/stc/SR12148LA): Installation of modified configurations of the Bell Helicopter Textron (BHT) Model 412 “Arm and Bearing Assembly”. Extex Engineered Products
- [STC SR04465NY](https://openairdocs.org/stc/SR04465NY): Installation of the iPad Mount. Avio Design Group Inc
- [STC SR00258DE](https://openairdocs.org/stc/SR00258DE): Installation of an articulating patient loading system. Air Methods LLC
- [STC SR09922AC](https://openairdocs.org/stc/SR09922AC): Installation of a Foresight MX Condition Monitoring System. GPMS International Inc
- [STC SR12068IB](https://openairdocs.org/stc/SR12068IB): Installation of the AFI4700 Electronic Flight Instrument. Alpine Aerotech LP
- [STC SR00256DE](https://openairdocs.org/stc/SR00256DE): Installation of a medical oxygen system. MSN 36128 only. Air Methods LLC
- [STC SH8610SW](https://openairdocs.org/stc/SH8610SW): Fabrication of Isolair Eliminator II Model 4600-212/412 Fire Fighting System. Isolair Inc
- [STC SR02590AK](https://openairdocs.org/stc/SR02590AK): Installation of Bell Lightweight Tailboom Modification. StandardAero Atlantic USA Inc
- [STC SR00855DE](https://openairdocs.org/stc/SR00855DE): Installation of Tracking Patient Loading System. Air Methods LLC
- [STC SR04132CH](https://openairdocs.org/stc/SR04132CH): Installation of Heli-Preheat Kit, p/n TA3132-1 for 115 volt application in accordance with Heli-Preheat Kit drawing TA3132-1 Revision G, dated December 11, 2023 or later FAA approved revisions and Preheat Kit Installation Instruction TNH3132 Revision C, dated November 7, 2023 or later FAA approved revisions. HARTZELL PROPELLER LLC
- [STC SR01779LA](https://openairdocs.org/stc/SR01779LA): Installation of the Emergency Float Kits. Dart Aerospace ULC
- [STC SH1415SO](https://openairdocs.org/stc/SH1415SO): Installation of Wire Strike Protection system; Configuration #1 - Installation P/N 364-83300-5 (Standard Skid Gear) or P/N 364-83300-7 (High Skid Gear). Magellan Aerospace
- [STC SR09343RC](https://openairdocs.org/stc/SR09343RC): Installation of Aero Seats and Systems, Inc., Life Raft Deployment System (LRDS). Bell Textron Inc
- [STC SR09453RC](https://openairdocs.org/stc/SR09453RC): Installation of cabin seats. Bell Textron Inc
- [STC SR00145IB](https://openairdocs.org/stc/SR00145IB): Installation of LH and RH Vertical Reference Door(s). Transwest Helicopters Ltd
- [STC SR00142IB](https://openairdocs.org/stc/SR00142IB): Installation of the Integrated Health and Usage Monitoring System (HUMS). RMCI Canada Inc
- [STC SR00141IB](https://openairdocs.org/stc/SR00141IB): Installation of the Aft Pedestal Stowage Compartment. Alpine Aerotech LP
- [STC SH4056NM](https://openairdocs.org/stc/SH4056NM): Installation of pneumatic door actuators. Dart Aerospace USA Inc
- [STC SR11252DS](https://openairdocs.org/stc/SR11252DS): Installation of additional Hoist Cable Cut Switches. Bell Textron 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 SR00871LA](https://openairdocs.org/stc/SR00871LA): Installation of the Modular Seating System. LifePort LLC
- [STC SR00080IB](https://openairdocs.org/stc/SR00080IB): Installation of the Garmin GRA 55 Radar Altimeter. Alpine Aerotech LP
- [STC SR03832NY](https://openairdocs.org/stc/SR03832NY): Installation of Full Vertical Reference Door P/N D412-761 for Left Hand Vertical Reference Operations. Dart Aerospace Limited
- [STC SR00058IB](https://openairdocs.org/stc/SR00058IB): Installation of J301A Audio Controller. Alpine Aerotech LP
- [STC SR00047IB](https://openairdocs.org/stc/SR00047IB): Installation of VIH Aerospace (VIHA) Pulse Light. VIH Aerospace Inc
- [STC SR01087DE](https://openairdocs.org/stc/SR01087DE): Installation of Emergency Medical Services (EMS) Interior. Air Methods Corporation
- [STC SR02590SE](https://openairdocs.org/stc/SR02590SE): Installation of a Light Emitting Diode (LED) Annunciator Panel. Luma Technologies LLC
- [STC SR11251DS](https://openairdocs.org/stc/SR11251DS): Installation of Human External Cargo (HEC) Hoist. Bell Helicopter Textron Inc
- [STC SR00035IB](https://openairdocs.org/stc/SR00035IB): Installation of the Garmin GTS 8xx Traffic System. Alpine Aerotech LP
- [STC SH7860SW](https://openairdocs.org/stc/SH7860SW): Installation of a Lucas or Breeze externally mounted rescue hoist. AEM USA Inc
- [STC SR04615NY](https://openairdocs.org/stc/SR04615NY): Installation of the Human External Cargo (HEC) Suspension Line Kit. Boost Human External Cargo Systems Inc
- [STC SR04616NY](https://openairdocs.org/stc/SR04616NY): Installation of the Dual HEC Hook System Provisions is to be performed. Boost Human External Cargo Systems Inc
- [STC SR09166RC](https://openairdocs.org/stc/SR09166RC): Installation of a Lucas externally mounted rescue hoist. AEM USA Inc
- [STC SR00713SE](https://openairdocs.org/stc/SR00713SE): Installation of Onboard Systems International Cargo Hook Kit. Onboard Systems International
- [STC SR01634SE](https://openairdocs.org/stc/SR01634SE): Installation of a Supplemental Lighting System. Aviation Specialties Unlimited Inc
- [STC SR01459LA](https://openairdocs.org/stc/SR01459LA): Installation of Apical Industries, Inc Emergency Mid-Float with 10-man Life Raft kits. Dart Aerospace ULC
- [STC SR09617RC](https://openairdocs.org/stc/SR09617RC): Installation of Enhanced Hover Hold. Bell Helicopter Textron Inc
- [STC SR04663NY](https://openairdocs.org/stc/SR04663NY): Installation of the Center Pedestal Riser. Alpine Aerotech LP
- [STC SH5707NM](https://openairdocs.org/stc/SH5707NM): Fabrication of Onboard Systems Model 200-088-03 or 200-088-04 (without Load Weight) or 200-089-03, -04, -05 or -06 (with Load Weight) cargo hook suspension systems. Onboard Systems International
- [STC SH5737NM](https://openairdocs.org/stc/SH5737NM): Replacement of Bell magnesium cargo hook bumper and ring Part Nos. 204-072-901-1 or -3, and 204-072-905-3, respectively, with Onboard bumper ring kit No. 210-092-00. Fabrication of Onboard Systems Model 210-092-00 bumper ring kit. Onboard Systems International
- [STC SR00277SE](https://openairdocs.org/stc/SR00277SE): Fabrication of Onboard Systems Model 528-002-00 or 528-002-01 cargo hook. Onboard Systems International LLC
- [STC SR00699SE](https://openairdocs.org/stc/SR00699SE): Fabrication of Onboard Systems Model 200-246-00 cargo hook kit. Onboard Systems International
- [STC SR02355LA](https://openairdocs.org/stc/SR02355LA): Installation of Sandel Avionics ST3400H Helicopter Terrain Awareness and Warning System (HTAWS). Sandel Avionics LLC

All 263: https://openairdocs.org/model/bell-textron-canada-412ep/stcs.md

## The same model under other registry codes

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

- [Bell 412EP](https://openairdocs.org/model/bell-412ep): 26 registered aircraft, registry code 1182205
- [Bell Helicopter Textron Canada 412EP](https://openairdocs.org/model/bell-helicopter-textron-canada-412ep): 17 registered aircraft, registry code 1182157

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