# N911AX: 1997 Eurocopter Deutschland EC135T1

- Status: Valid registration
- Airframe: [Eurocopter Deutschland EC135T1](https://openairdocs.org/model/eurocopter-deutschland-ec135t1) (registry code 5620026, 12 seats)
- Engine: [Turbomeca ARRIUS-2B series](https://openairdocs.org/engine/turbomeca-arrius-2b-series) (registry code 60013)
- Data sheets: [TCDS H88EU](https://openairdocs.org/tcds/H88EU) (Airbus Helicopters Deutschland GmbH (AHD)), [TCDS E34NE](https://openairdocs.org/tcds/E34NE) (Safran Helicopter Engines S.A.) (OpenAirDocs)
- Serial number: 0021
- Year built: 1997
- Type: Rotorcraft
- Engine type: Turbo-shaft
- Airworthiness: Standard, normal
- Airworthiness date: June 27, 2007
- Certificate issued: September 19, 2017
- Expires: September 30, 2027
- Mode S code: AC9A78
- Registered owner: [Guardian Flight Holdings Inc](https://openairdocs.org/faa-owner/GUARDIAN%20FLIGHT%20HOLDINGS%20INC)
- Location: [Fairbanks, AK](https://openairdocs.org/faa-place/AK/Fairbanks)
- Owner type: Corporation
- Owner's area on the map: 67.3758° N, 149.7280° W: Placed by OpenAirDocs at the center of ZIP code 99701, within about 13 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=911AX
- Page: https://openairdocs.org/aircraft/N911AX

From the FAA registry file of October 22, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. The registry lists only the engine series, so ADs for every Turbomeca ARRIUS-2B model are included.

## ADs that may apply (OpenAirDocs): 66 in force

### Matched by airframe (Eurocopter Deutschland EC135T1)

- [AD 2026-20-06](https://openairdocs.org/ad/2026-20-06): Main rotor gearbox · Airbus Helicopters Deutschland EC135P1, EC135P2, EC135P2+ and 6 more. Effective Oct 13, 2026
- [AD 2026-17-05](https://openairdocs.org/ad/2026-17-05): Cabin Equipment/Furnishings · Airbus Helicopters H160-B, EC225LP, AS 365 N3 and 18 more. Effective Oct 2, 2026
- [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 2026-02-01](https://openairdocs.org/ad/2026-02-01): Tail Rotor Drive Shaft · Airbus Helicopters Deutschland EC135P1, EC135P2, EC135P2+ and 6 more. Effective Feb 26, 2026
- [AD 2026-03-02](https://openairdocs.org/ad/2026-03-02): Rotorcraft Tail Boom · Airbus Helicopters Deutschland EC135P1, EC135P2, EC135P2+ and 6 more. Effective Feb 17, 2026
- [AD 2025-18-04](https://openairdocs.org/ad/2025-18-04): Cabin Equipment/Furnishings · Airbus Helicopters Deutschland EC135P1, EC135P2, EC135P2+ and 9 more. Effective Oct 21, 2025
- [AD 2025-13-06](https://openairdocs.org/ad/2025-13-06): Tail Rotor Control System · Airbus Helicopters Deutschland EC135P1, EC135P2, EC135P2+ and 6 more. Effective Jul 18, 2025
- [AD 2025-04-10](https://openairdocs.org/ad/2025-04-10): Emergency equipment · Airbus Helicopters Deutschland EC135P1, EC135P2, EC135P2+ and 10 more. Effective Mar 24, 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 2024-17-01](https://openairdocs.org/ad/2024-17-01): Main Rotor Control · Airbus EC135P1, EC135P2, EC135P2+ and 6 more. Effective Nov 4, 2024
- [AD 2024-04-01](https://openairdocs.org/ad/2024-04-01): Cabin Equipment/Furnishings · Airbus Helicopters Deutschland EC135P1, EC135P2, EC135P2+ and 8 more. Effective Apr 19, 2024
- [AD 2024-04-10](https://openairdocs.org/ad/2024-04-10): Tail Rotor Blades · Airbus Helicopters Deutschland EC135P1, EC135P2, EC135P2+ and 6 more. Effective Mar 19, 2024
- [AD 2022-17-01](https://openairdocs.org/ad/2022-17-01): Air Conditioning System · Airbus Helicopters Deutschland EC135P1, EC135P2, EC135P2+ and 5 more. Effective Sep 27, 2022
- [AD 2022-10-51](https://openairdocs.org/ad/2022-10-51): Flight Control System · Airbus Helicopters AS350B, AS350B1, AS350B2 and 22 more. Effective Jun 7, 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 2022-02-19](https://openairdocs.org/ad/2022-02-19): Flight Compartment Equipment · Airbus Helicopters Deutschland EC135P1, EC135P2, EC135P2+ and 5 more. Effective Mar 17, 2022
- [AD 2022-01-03](https://openairdocs.org/ad/2022-01-03): Fire Bottle, Portable · Airbus Helicopters AS332C, AS332C1, AS332L and 35 more. Effective Mar 7, 2022
- [AD 2021-24-17](https://openairdocs.org/ad/2021-24-17): Tail rotor blades · Airbus Helicopters Deutschland EC135P1, EC135P2, EC135P2+ and 5 more. Effective Jan 18, 2022
- [AD 2021-21-01](https://openairdocs.org/ad/2021-21-01): Cabin Equipment/Furnishings · Airbus Helicopters Deutschland EC135P1, EC135P2, EC135P2+ and 5 more. Effective Dec 10, 2021
- [AD 2021-17-17](https://openairdocs.org/ad/2021-17-17): Cabin Equipment/Furnishings · Airbus Helicopters EC135P3, EC135T3, MBB-BK 117 C-2 and 32 more. Effective Nov 22, 2021
- [AD 2021-22-07](https://openairdocs.org/ad/2021-22-07): Fire Bottle, Portable · Airbus A319-111, A319-112, A319-113 and 127 more. Effective Nov 18, 2021
- [AD 2021-16-10](https://openairdocs.org/ad/2021-16-10): Tail Rotor Blades · Airbus Helicopters Deutschland EC135P3, EC135T3, EC135P1 and 5 more. Effective Oct 13, 2021
- [AD 2021-13-05](https://openairdocs.org/ad/2021-13-05): Tail Rotor Control System · Airbus Helicopters Deutschland EC135P3, EC135T3, EC135P1 and 5 more. Effective Aug 11, 2021
- [AD 2021-07-12](https://openairdocs.org/ad/2021-07-12): Rotorcraft Flight Control · Airbus Helicopters Deutschland EC135P3, EC135T3, EC135P1 and 5 more. Effective May 11, 2021
- [AD 2021-09-07](https://openairdocs.org/ad/2021-09-07): Rotorcraft Flight Control · Airbus Helicopters Deutschland EC135P3, EC135T3, EC135P1 and 5 more. Effective May 10, 2021
- [AD 2021-03-04](https://openairdocs.org/ad/2021-03-04): Fasteners, Tail Rotor Drive Shaft · Airbus Helicopters Deutschland EC135P3, EC135T3, EC135P1 and 5 more. Effective Mar 29, 2021
- [AD 2020-26-03](https://openairdocs.org/ad/2020-26-03): Rotorcraft Flight Control · Airbus Helicopters Deutschland EC135P3, EC135T3, EC135P1 and 5 more. Effective Jan 22, 2021
- [AD 2020-22-04](https://openairdocs.org/ad/2020-22-04): Tail Rotor Drive · Airbus Helicopters Deutschland EC135P3, EC135T3, EC135P1 and 5 more. Effective Nov 18, 2020
- [AD 2014-05-06 R2](https://openairdocs.org/ad/2014-05-06-R2): Main Rotor Control · Airbus Helicopters Deutschland MBB-BK 117 C-2, EC135P1, EC135P2 and 4 more. Effective Feb 19, 2019
- [AD 2013-21-05 R1](https://openairdocs.org/ad/2013-21-05-R1): Tail Rotor Control System · Airbus Helicopters Deutschland EC135P1, EC135P2, EC135P2+ and 3 more. Effective Dec 21, 2018
- [AD 2018-07-01](https://openairdocs.org/ad/2018-07-01): Main Rotor Gearbox · Airbus Helicopters Deutschland EC135P3, EC135T3, EC135P1 and 5 more. Effective May 3, 2018
- [AD 2017-03-01](https://openairdocs.org/ad/2017-03-01): Main Rotor Control · Airbus Helicopters Deutschland MBB-BK 117 C-2, EC135P1, EC135P2 and 4 more. Effective Mar 31, 2017
- [AD 2015-12-09 R1](https://openairdocs.org/ad/2015-12-09-R1): Flight Controller · Airbus Helicopters Deutschland MBB-BK 117 C-2, EC135P1, EC135P2 and 4 more. Effective Feb 25, 2016
- [AD 2014-16-24](https://openairdocs.org/ad/2014-16-24): Main Rotor Head · Airbus Helicopters Deutschland EC135P1, EC135P2, EC135P2+ and 3 more. Effective Sep 25, 2014
- [AD 2014-05-01](https://openairdocs.org/ad/2014-05-01): Main Rotor Gearbox · Airbus Helicopters Deutschland EC135P1, EC135P2, EC135P2+ and 3 more. Effective Apr 14, 2014
- [AD 2013-21-06](https://openairdocs.org/ad/2013-21-06): Fuselage, Equipment Attach Fittings · Airbus Helicopters Deutschland MBB-BK 117 C-2, EC135P1, EC135P2 and 4 more. Effective Jan 31, 2014
- [AD 2013-18-05](https://openairdocs.org/ad/2013-18-05): Extinguishing System · Airbus Helicopters Deutschland EC135P1, EC135P2, EC135P2+ and 3 more. Effective Oct 18, 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 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 2013-10-01](https://openairdocs.org/ad/2013-10-01): Exterior lighting · Agusta AB139, AW139, MBB-BK 117 C-2 and 7 more. Effective Jun 20, 2013
- [AD 2012-23-07](https://openairdocs.org/ad/2012-23-07): Main Rotor Mast/Swashplate · Airbus Helicopters Deutschland EC135P1, EC135P2, EC135T1 and 1 more. Effective Jan 11, 2013
- [AD 2012-11-02](https://openairdocs.org/ad/2012-11-02): Crack · Airbus Helicopters Deutschland EC135P1, EC135P2, EC135P2+ and 3 more. Effective Jul 10, 2012
- [AD 2012-03-01](https://openairdocs.org/ad/2012-03-01): Engine Controls · Airbus Helicopters Deutschland EC135P1, EC135P2, EC135P2+ and 3 more. Effective Mar 21, 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 2009-11-10](https://openairdocs.org/ad/2009-11-10): Main rotor drive · Airbus Helicopters Deutschland EC135P1, EC135P2, EC135P2+ and 3 more. Effective Jun 12, 2009
- [AD 2008-04-05](https://openairdocs.org/ad/2008-04-05): Wiring harness · Airbus Helicopters Deutschland EC135P1, EC135P2, EC135P2+ and 3 more. Effective Mar 6, 2008
- [AD 2004-22-11](https://openairdocs.org/ad/2004-22-11): Rotorcraft Flight Manual (RFM) · Airbus Helicopters Deutschland EC135P1, EC135P2, EC135T1 and 1 more. Effective Dec 7, 2004
- [AD 2002-14-17](https://openairdocs.org/ad/2002-14-17): Main rotor hub shaft · Airbus Helicopters Deutschland EC135T1 and EC135P1. Effective Jul 26, 2002
- [AD 2002-11-01](https://openairdocs.org/ad/2002-11-01): Engine Electrical Control Unit (FADEC) · Airbus Helicopters Deutschland EC135T1. Effective Jun 14, 2002
- [AD 2001-26-52](https://openairdocs.org/ad/2001-26-52): Rotorcraft Flight Manual - Smart Multifunction Display (SMD45H) · Airbus Helicopters Deutschland EC135P1 and EC135T1. Effective Feb 6, 2002

### Matched by engine (Turbomeca ARRIUS-2B series)

- [AD 2026-19-03](https://openairdocs.org/ad/2026-19-03): Engine (Turbine/Turboprop) · Safran Helicopter Engines Arrius 2B2. Effective Nov 2, 2026
- [AD 2025-13-07](https://openairdocs.org/ad/2025-13-07): Engine Fuel and Control · Safran Helicopter Engines Arrius 2B2. Effective Aug 6, 2025
- [AD 2023-15-03](https://openairdocs.org/ad/2023-15-03): Engine (Turbine/Turboprop) · Safran Helicopter Engines Arrius 2B2. Effective Sep 7, 2023
- [AD 2021-26-26](https://openairdocs.org/ad/2021-26-26): Engine Controls · Safran Helicopter Engines Arrius 2B1, Arrius 2B1A and Arrius 2B2. Effective Feb 23, 2022
- [AD 2021-17-05](https://openairdocs.org/ad/2021-17-05): Fuel Controlling System · Safran Helicopter Engines Arrius 2B1, Arrius 2B1A, Arrius 2B2 and 1 more. Effective Oct 12, 2021
- [AD 2018-12-03](https://openairdocs.org/ad/2018-12-03): Fuel Controlling System · Safran Helicopter Engines Arrius 2B1 and Arrius 2F. Effective Aug 9, 2018
- [AD 2018-07-17](https://openairdocs.org/ad/2018-07-17): Turbine Section · Safran Helicopter Engines Arrius 2B1, Arrius 2B1A, Arrius 2B2 and 1 more. Effective Apr 27, 2018
- [AD 2008-19-11](https://openairdocs.org/ad/2008-19-11): Electronic control (EEC) unit · Turbomeca Arrius 2B1, Arrius 2B1A, Arrius 2B2 and 1 more. Effective Oct 8, 2008
- [AD 2006-26-07](https://openairdocs.org/ad/2006-26-07): A simultaneous interruption of the lubrication on both engines may lead to a double non-commanded in-flight shutdown. · Turbomeca Arrius 2B1, Arrius 2B1A and Arrius 2B2. Effective Jan 18, 2007
- [AD 2003-19-06](https://openairdocs.org/ad/2003-19-06): Gas generator high pressure (HP) turbine disk · Turbomeca Arrius 2B1, Arrius 2B1A and Arrius 2K1. Effective Oct 22, 2003

### Historical (superseded or no longer in force)

- [AD 2021-11-22](https://openairdocs.org/ad/2021-11-22) (historical): Tail Rotor System · Airbus Helicopters Deutschland EC135P3, EC135T3, EC135P1 and 5 more. Effective Jul 16, 2021
- [AD 2021-11-17](https://openairdocs.org/ad/2021-11-17) (historical): Main Rotor Control · Airbus Helicopters Deutschland EC135P3, EC135T3, EC135P1 and 5 more. Effective Jul 16, 2021
- [AD 2019-17-02](https://openairdocs.org/ad/2019-17-02) (historical): Rotorcraft Flight Control · Airbus Helicopters Deutschland EC135 P1, EC135 P2, EC135 P2+ and 5 more. Effective Sep 25, 2019
- [AD 2019-05-06](https://openairdocs.org/ad/2019-05-06) (historical): Cabin Equipment/Furnishings · Airbus Helicopters Deutschland EC135 P1, EC135 P2, EC135 P2+ and 5 more. Effective Apr 17, 2019
- [AD 2014-05-06 R1](https://openairdocs.org/ad/2014-05-06-R1) (historical): Main Rotor Control · Airbus Helicopters Deutschland EC135 P1, EC135 P2, EC135 P2+ and 4 more. Effective Jan 22, 2019
- [AD 2016-11-21](https://openairdocs.org/ad/2016-11-21) (historical): Swashplate Ring, Cardan Ring, Bolt, Mixing Lever Gear Unit (flight controls) · Airbus Helicopters Deutschland EC135 P1, EC135 P2, EC135 P2+ and 3 more. Effective Jul 11, 2016
- [AD 2015-12-09](https://openairdocs.org/ad/2015-12-09) (historical): Flight Controller · Airbus Helicopters Deutschland EC135 P1, EC135 P2, EC135 P2+ and 4 more. Effective Jul 23, 2015
- [AD 2014-13-09](https://openairdocs.org/ad/2014-13-09) (historical): Tail Rotor · Airbus Helicopters Deutschland EC135P1, EC135P2, EC135P2+ and 3 more. Effective Jul 30, 2014
- [AD 2014-05-06](https://openairdocs.org/ad/2014-05-06) (historical): Main Rotor Control · Airbus Helicopters Deutschland EC135 P1, EC135 P2, EC135 P2+ and 4 more. Effective Apr 14, 2014
- [AD 2013-21-05](https://openairdocs.org/ad/2013-21-05) (historical): Tail Rotor Control System · Airbus Helicopters Deutschland EC135 P1, EC135 P2, EC135 P2+ and 3 more. Effective Dec 5, 2013
- [AD 2013-16-14](https://openairdocs.org/ad/2013-16-14) (historical): Main Rotor Gearbox · Airbus Helicopters Deutschland EC135 P1, EC135 P2, EC135 P2+ and 3 more. Effective Oct 9, 2013
- [AD 2012-10-53](https://openairdocs.org/ad/2012-10-53) (historical): Main Rotor Head · Airbus Helicopters Deutschland EC135 P1, EC135 P2, EC135 P2+ and 3 more. Effective Dec 5, 2012
- [AD 2012-10-51](https://openairdocs.org/ad/2012-10-51) (historical): Main Rotor Head · Airbus Helicopters Deutschland EC135 P1, EC135 P2, EC135 P2+ and 3 more
- [AD 2008-22-51](https://openairdocs.org/ad/2008-22-51) (historical): Ring frame that connects the tail rotor fenestron housing to the rear structure tube (tailboom) · Eurocopter Deutschland EC135 P1, EC135 P2, EC135 P2+ and 3 more
- [AD 2007-26-51](https://openairdocs.org/ad/2007-26-51) (historical): Tail rotor control rod (control rod) · Airbus Helicopters Deutschland EC135 P1, EC135 P2, EC135 P2+ and 3 more. Effective Feb 19, 2008
- [AD 2014-04-06](https://openairdocs.org/ad/2014-04-06) (historical): Hydro-mechanical metering unit (HMU) · Turbomeca Arrius 2B1, Arrius 2B1A, Arrius 2B2 and 1 more. Effective Mar 31, 2014
- [AD 2013-11-09](https://openairdocs.org/ad/2013-11-09) (historical): Fuel injection manifolds and the privilege injector · Turbomeca Arrius 2B1 and Arrius 2F. Effective Jul 5, 2013
- [AD 2001-08-14 R1](https://openairdocs.org/ad/2001-08-14-R1) (historical): Right injector half manifold and left injector half manifold · Turbomeca Arrius 2B, Arrius 2B1 and Arrius 2F. Effective Feb 23, 2006
- [AD 2005-12-08](https://openairdocs.org/ad/2005-12-08) (historical): Engine Electronic Control Unit (EECU) · Turbomeca Arrius 2B1, Arrius 2B1A and Arrius 2B2. Effective Jun 29, 2005
- [AD 2001-08-14](https://openairdocs.org/ad/2001-08-14) (historical): Fuel Injector Manifold · Turbomeca Arrius 2B, Arrius 2B1 and Arrius 2F. Effective May 31, 2001

All 86: https://openairdocs.org/aircraft/N911AX/ads.md

## Information bulletins (advisory) (3 in force)

- [SAIB SW-12-45](https://openairdocs.org/saib/SW-12-45): Garmin Model 400W/500W Series GPS-WAAS Navigation System. Issued Oct 3, 2012
- [SAIB SW-09-26](https://openairdocs.org/saib/SW-09-26): Operation with Emergency Flotation System ARMED. Issued May 7, 2009
- [SAIB SW-08-42](https://openairdocs.org/saib/SW-08-42): Emergency Float with Liferaft Kits (kits). Issued Aug 27, 2008

## NTSB investigations

None matched to N911AX.

## FAA accident and incident reports

None matched to N911AX.

## Reports on N911AX not matched to an aircraft (1)

They name N911AX, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Incident 19930512020329I](https://openairdocs.org/incident/19930512020329I), May 12, 1993: Nihon YS11A500 (N911AX), Carbondale-Murp, IL. Pilot made an unscheduled landing and departure at airport. Had landed at wrong airport.

## Service difficulty reports (2)

As reported by operators and repair stations. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR 2026F00116](https://openairdocs.org/sdr/2026F00116), May 26, 2026: ENGINE. FLAMED OUT. DURING ENROUTE PHASE OF FLIGHT, ENGINE #1 FLAMED OUT. PILOT REPORTED FUEL PRESSURE CAUTION LIGHT ILLUMINATED. PILOT UTILIZED #2 ENGINE TO PERFORM A RUN ON LANDI
- [SDR 7AJA20170209001](https://openairdocs.org/sdr/7AJA20170209001), Jan 19, 2017: WARNING LIGHT. ILLUMINATED. NR 2 ENGINE LOW OIL PRESSURE CAUTION ANNUNCIATOR ILLUMINATED SHORTLY AFTER TAKEOFF.

## Service difficulty reports on N911AX not matched to an aircraft (6)

They name N911AX, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR ABXA9701464](https://openairdocs.org/sdr/ABXA9701464), Aug 26, 1997: SWITCH. DEFECTIVE. LEFT MAIN GEAR INDICATED DOWN AFTER SECOND RECYCLE. LIGHT REMAINED ON FOR DURATION OF FLIGHT. REPLACED LEFT MAIN LANDING GEAR DOWN LOCK SWITCH. OPS CHECKED GOOD
- [SDR ABXA9600485](https://openairdocs.org/sdr/ABXA9600485), Apr 29, 1996: LINKAGE. NOT CONNECTED. RIGHT ENGINE HIGH STOP LIGHT ILLUMINATED IN FLIGHT AT APPROXIMATELY 5,000 FEET, 230 KNOTS AND 20 DEGREES CELSIUS. FOUND HIGH STOP LINKAGE UNDONE. RE-CONNECTED L
- [SDR ABXA9500674](https://openairdocs.org/sdr/ABXA9500674), Aug 17, 1995: PULLEY. WARPED. UNDEFINED SMOKE ODOR IN THE COCKPIT DURING LAST PORTION OF CLIMB TO 10,000 FEET. GRADUALLY WENT AWAY AFTER TEN MINUTES. UNABLE TO IDENTIFY OR ISOLATE SOURCE. FO
- [SDR ABXA9500673](https://openairdocs.org/sdr/ABXA9500673), Aug 14, 1995: DE-ICE. MALFUNCTIONED. WINDSHIELD DE-ICE GREEN LIGHTS DID NOT COME ON IN LOW, THE RIGHT LIGHT COMES ON. LATER IN FLIGHT, CYCLED ON AND OFF. POSSIBLE ASSOCIATED INTERMITTENT SMOKE ODOR
- [SDR ABXA9500641](https://openairdocs.org/sdr/ABXA9500641), Aug 1, 1995: OIL COOLER. CRACKED. NR 1 ENGINE INFLIGHT SHUTDOWN DUE TO LOW OIL PRESSURE, 6 TO 10 PSI. MAINTENANCE FOUND THE NR 1 OIL COOLER LEAKING, CRACKED. REPLACED OIL COOLER IAW ROLLS ROYCE 
- [SDR ABXA9500371](https://openairdocs.org/sdr/ABXA9500371), Apr 26, 1995: INVERTER. DEFECTIVE. SMOKE IN COCKPIT, EITHER NR 1 INVERTER OR AIR CONDITIONER. REPLACED NR 1 INVERTER IAW YS-11 MM CHAPTER 24. OPS CHECKED GOOD, NO SMOKE NOTED.

## STCs that may be installed (OpenAirDocs) (67, first 50)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the airframe (Eurocopter Deutschland EC135T1)

- [STC SR12474NY](https://openairdocs.org/stc/SR12474NY): Installation of replacement windows. Tech-Tool Plastics, Inc
- [STC ST00885LA](https://openairdocs.org/stc/ST00885LA): Installation of fire extinguisher cartridges as replacements for Pacific Scientific fire extinguisher cartridges in fire extinguisher bottles. AMETEK AMERON, LLC d/b/a MASS Systems
- [STC SR11844CH](https://openairdocs.org/stc/SR11844CH): Installation of Heli-Preheat Kit, p/n TA3391-1 for 115 volt application. Hartzell Propeller LLC
- [STC SR04464NY](https://openairdocs.org/stc/SR04464NY): Installation of the iPad Mount. Avio Design Group Inc
- [STC SR00521SE](https://openairdocs.org/stc/SR00521SE): Installation of Geneva Aviation Audio System. AEM USA Inc
- [STC SR02301SE](https://openairdocs.org/stc/SR02301SE): Installation of Geneva Aviation 28 - 14 VDC Power Converter. AEM USA Inc
- [STC SR02445SE](https://openairdocs.org/stc/SR02445SE): Installation of P178 Failsafe Audio Mixer. AEM USA Inc
- [STC SR00440DE-D](https://openairdocs.org/stc/SR00440DE-D): Installation of exterior lighting system. Air Methods LLC
- [STC SR12092IB](https://openairdocs.org/stc/SR12092IB): Manufacturing and Installation of Cargo Hold Nets. ICARUS AERO INC
- [STC SR12065DE](https://openairdocs.org/stc/SR12065DE): Installation of Honeywell 5G Bandpass Filter into existing KRA 405B Radar Altimeter Systems. QAI Aviation Inc
- [STC SR04842NY](https://openairdocs.org/stc/SR04842NY): Installation of RMCI Inc. Expandable Rotorcraft Diagnostic System (XRDS). Sterling Helicopter
- [STC SR04711NY](https://openairdocs.org/stc/SR04711NY): Replacement of Luminator LS400 LED searchlight (steerable landing light). Sterling Helicopter
- [STC SR01790SE](https://openairdocs.org/stc/SR01790SE): Installation of Skidtube and Skidtube extension. Dart Aerospace USA Inc
- [STC SR00182IB](https://openairdocs.org/stc/SR00182IB): Installation of the Avidyne Integrated Flight Display (IFD) Navigator(s). Horizon Design Services Ltd
- [STC SR03704NY](https://openairdocs.org/stc/SR03704NY): Installation of Air Ambulance Technology GmbH's P/N 135-25-20-5000-600 Series Air Ambulance Equipment (EMS config) or P/N 135-25-20-5000-900 Series VIP Interior (VIP config). Air Ambulance Technology GmbH
- [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 SR00368BO](https://openairdocs.org/stc/SR00368BO): Installation of an Outerlink SATCOM Communications and Flight Data Monitoring System KIT 135-SAT-100. Outerlink Corporation
- [STC SR02217SE](https://openairdocs.org/stc/SR02217SE): Fabrication of Onboard Systems Single-Hook and Double-Hook Cargo Hook Kit. Onboard Systems
- [STC SR09559RC](https://openairdocs.org/stc/SR09559RC): Installation of Night Vision Goggle Compatible Interior Lighting System. REB Technologies Inc
- [STC SR09102RC-D](https://openairdocs.org/stc/SR09102RC-D): Installation of windows in crew, cabin, and cargo doors. Tech-Tool Plastics Inc
- [STC SR09116RC-D](https://openairdocs.org/stc/SR09116RC-D): Installation of a sliding window in the rear sliding door. Tech-Tool Plastics Inc
- [STC SR09105RC-D](https://openairdocs.org/stc/SR09105RC-D): Installation of a Concorde RG-390E or RG-380E/44 Lead Acid Battery. Airbus Helicopters Inc
- [STC SR09919AC](https://openairdocs.org/stc/SR09919AC): Installation of a Luminator search light LS-400, LS-400M, or LS-400T. Luminator Holdings L.P
- [STC SR02138LA](https://openairdocs.org/stc/SR02138LA): Installation of Utility Step Mount. Airfilm Camera Systems
- [STC SR00666DE](https://openairdocs.org/stc/SR00666DE): Installation of Angled Scene Lights. Air Methods Corporation
- [STC SR02704SE](https://openairdocs.org/stc/SR02704SE): Installation and maintenance of the Sunspot 36 and 46 series lights. AeroLED's Holdings LLC
- [STC SR02114NY-D](https://openairdocs.org/stc/SR02114NY-D): Installation of a Honeywell Chadwick Model 15175 VXP System. Diagnostic Solution International LLC
- [STC SR01052DE](https://openairdocs.org/stc/SR01052DE): Installation of Non-Aviation Band FM Radio Systems. Cert Works LLC
- [STC SR09583RC](https://openairdocs.org/stc/SR09583RC): Installation of the Sky Connect Forte Iridium Satellite Phone and/or automated position reporting system including the installation of an Iridium Satellite antenna, Transceiver, aircraft GPS interface to obtain position, SOP and/or MMU dialer panels, and optional GPS antenna. Honeywell 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 SR02677SE](https://openairdocs.org/stc/SR02677SE): Installation of Heavy Duty Wearplates. Dart Aerospace USA Inc
- [STC SR09164RC](https://openairdocs.org/stc/SR09164RC): Installation of an Airborne Emergency Medical Systems. Metro Aviation Inc
- [STC SR09354RC](https://openairdocs.org/stc/SR09354RC): Installation of Metro Aviation optional equipment. Metro Aviation Inc
- [STC SR00359BO](https://openairdocs.org/stc/SR00359BO): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. Whelen Aerospace Technologies
- [STC SR09193RC](https://openairdocs.org/stc/SR09193RC): Installation of a window in the aft clamshell doors. Metro Aviation Inc
- [STC SR00814DE](https://openairdocs.org/stc/SR00814DE): Installation of Garmin Helicopter Terrain Awareness and Warning System (HTAWS). Cert Works LLC
- [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 SR00828DE](https://openairdocs.org/stc/SR00828DE): Installation of Automatic Dependent Surveillance Broadcast (ADS-B) Out functionality using the Garmin G330ES or G33H ES Transponder and qualified position sensor. Peregrine
- [STC SR04276NY](https://openairdocs.org/stc/SR04276NY): Installation of the Crosstubes. Dart Aerospace Limited
- [STC SR01042SE](https://openairdocs.org/stc/SR01042SE): Fabrication of Dart D135-692-011 Bearpaws. Dart Aerospace USA, Inc
- [STC SR01709SE](https://openairdocs.org/stc/SR01709SE): Installation of Skidtube and Skidtube extension. Dart Aerospace USA Inc
- [STC SR04235NY](https://openairdocs.org/stc/SR04235NY): Installation of Garmin GTS Traffic System. Maxcraft Avionics Ltd
- [STC SR04228NY](https://openairdocs.org/stc/SR04228NY): Installation of Garmin HTAWS (Helicopter Terrain Awareness Warning System). Maxcraft Avionics Ltd
- [STC SR00812DE](https://openairdocs.org/stc/SR00812DE): Installation of Honeywell Sky Connect Tracker III system. Cert Works LLC
- [STC SR09104RC-D](https://openairdocs.org/stc/SR09104RC-D): Installation of pulsed engine and gearbox chip detector system. Airbus Helicopters Inc
- [STC SR03949NY](https://openairdocs.org/stc/SR03949NY): Installation of Removable Pins for Hinged Door. Airbus Helicopters Canada Limited
- [STC SR01855LA](https://openairdocs.org/stc/SR01855LA): Installation of Apical Industries, Inc. Emergency Float Kit. Apical Industries, Inc. dba Dart Aerospace
- [STC SR02487AK](https://openairdocs.org/stc/SR02487AK): Installation of L-3 Communications Avionics Systems ESI-500 Standby Instrument System. ADS-B Technologies, LLC
- [STC SR02307LA](https://openairdocs.org/stc/SR02307LA): Installation of Apical Industries, Inc. Cable Cutters Kit. Apical Industries, Inc. dba Dart Aerospace
- [STC SR03277NY](https://openairdocs.org/stc/SR03277NY): Installation of a HELICOM V2 NUM System for tracking a set of flight and system parameters during operation of the rotorcraft. ISEI, Le Mercure B

All 67: https://openairdocs.org/aircraft/N911AX/stcs.md

## Related

- Other Eurocopter Deutschland EC135T1 aircraft: https://openairdocs.org/model/eurocopter-deutschland-ec135t1/aircraft.md
- The Turbomeca ARRIUS-2B series engine: https://openairdocs.org/engine/turbomeca-arrius-2b-series.md

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