# N901HC: 1988 Agusta S P A A109K2

- Status: Valid registration
- Airframe: [Agusta S P A A109K2](https://openairdocs.org/model/agusta-s-p-a-a109k2) (registry code 0260502, 8 seats)
- Engine: [Turbomeca ARRIEL-1K1](https://openairdocs.org/engine/turbomeca-arriel-1k1) (registry code 60033)
- Data sheets: [TCDS H7EU](https://openairdocs.org/tcds/H7EU) (Leonardo S.p.A.), [TCDS E19EU](https://openairdocs.org/tcds/E19EU) (Safran Helicopter Engines, S.A.S.) (OpenAirDocs)
- Serial number: 10033
- Year built: 1988
- Type: Rotorcraft
- Engine type: Turbo-shaft
- Airworthiness: Standard, normal
- Airworthiness date: May 2, 2018
- Certificate issued: August 26, 2003
- Expires: April 30, 2028
- Mode S code: AC7395
- Registered owners: [Ihc Health Services Inc DBA](https://openairdocs.org/faa-owner/IHC%20HEALTH%20SERVICES%20INC%20DBA), [Ihc Life Flight](https://openairdocs.org/faa-owner/IHC%20LIFE%20FLIGHT)
- Location: [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City)
- Owner type: Corporation
- Owner's area on the map: 40.8659° N, 112.0391° W: Placed by OpenAirDocs at the center of ZIP code 84116, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=901HC
- Page: https://openairdocs.org/aircraft/N901HC

From the FAA registry file of October 24, 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.

## ADs that may apply (OpenAirDocs): 46 in force

### Matched by airframe (Agusta S P A A109K2)

- [AD 2026-17-07](https://openairdocs.org/ad/2026-17-07): Main rotor mast/swashplate · Leonardo A109A, A109A II, A109C and 6 more. Effective Oct 2, 2026
- [AD 2025-17-10](https://openairdocs.org/ad/2025-17-10): Main Rotor Control · Leonardo A109A, A109A II, A109C and 3 more. Effective Sep 9, 2025
- [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 2025-03-03](https://openairdocs.org/ad/2025-03-03): Cabin Equipment/Furnishings · Leonardo A109E, A109K2, A109S and 4 more. Effective Feb 19, 2025
- [AD 2024-15-11](https://openairdocs.org/ad/2024-15-11): Tail Rotor System · Leonardo A109C, A109E, A109K2 and 2 more. Effective Oct 21, 2024
- [AD 2023-11-07](https://openairdocs.org/ad/2023-11-07): Ground Proximity System · Airbus Helicopters 47, 206, 210 and 237 more. Effective Jun 22, 2023
- [AD 2023-01-02](https://openairdocs.org/ad/2023-01-02): Emergency Equipment · Apical Industries, Inc. Emergency Float Kit (STC SR01812LA). Effective Feb 17, 2023
- [AD 2022-07-11](https://openairdocs.org/ad/2022-07-11): Tail Rotor System · Leonardo A109C, A109K2, A109E and 2 more. Effective May 5, 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 2021-21-03](https://openairdocs.org/ad/2021-21-03): Rotorcraft Flight Control, Rotorcraft Servo System · Leonardo A109A, A109A II, A109C and 6 more. Effective Dec 10, 2021
- [AD 2021-17-10](https://openairdocs.org/ad/2021-17-10): Main Rotor Brake · Leonardo A109A, A109A II, A109C and 4 more. Effective Sep 7, 2021
- [AD 2021-07-05](https://openairdocs.org/ad/2021-07-05): Main Rotor Blades · Leonardo A109C, A109E and A109K2. Effective Apr 8, 2021
- [AD 2020-15-16](https://openairdocs.org/ad/2020-15-16): Tail Rotor Drive System · Leonardo A109E, A109K2, A109S and 3 more. Effective Aug 27, 2020
- [AD 2018-06-51](https://openairdocs.org/ad/2018-06-51): Main Rotor Mast/Swashplate · Agusta A109A, A109A II, A109C and 6 more. Effective Jun 7, 2018
- [AD 2016-18-18](https://openairdocs.org/ad/2016-18-18): Tail Rotor Drive Shaft · Agusta A109A, A109A II, A109C and 4 more. Effective Oct 20, 2016
- [AD 2015-11-08](https://openairdocs.org/ad/2015-11-08): Tail Rotor System · Agusta A109C, A109E, A109K2 and 2 more. Effective Jun 24, 2015
- [AD 2015-05-52](https://openairdocs.org/ad/2015-05-52): Tail Rotor Controls · Agusta A109, A109A, A109A II and 7 more. Effective Apr 29, 2015
- [AD 2014-23-02](https://openairdocs.org/ad/2014-23-02): Main Rotor Gearbox · Agusta A109E, A109K2, A119 and 1 more. Effective Dec 26, 2014
- [AD 2014-11-07](https://openairdocs.org/ad/2014-11-07): Main Rotor System · Agusta A109A, A109A II, A109C and 6 more. Effective Jun 18, 2014
- [AD 2014-09-01](https://openairdocs.org/ad/2014-09-01): Tail Rotor · Agusta A109C, A109E, A109K2 and 1 more. Effective Jun 5, 2014
- [AD 2013-20-51](https://openairdocs.org/ad/2013-20-51): Tail rotor system · Agusta A109A, A109A II, A109C and 6 more. Effective Oct 25, 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 2013-05-22](https://openairdocs.org/ad/2013-05-22): Tail rotor pitch control link assembly · Agusta A109, A109A, A109A II and 5 more. Effective Apr 30, 2013
- [AD 2011-17-01](https://openairdocs.org/ad/2011-17-01): Main rotor scissor fitting assembly · Agusta A109A, A109A II, A109C and 1 more. Effective Sep 12, 2011
- [AD 2004-15-21](https://openairdocs.org/ad/2004-15-21): Tail rotor trunnion (trunnion) assembly · Agusta A109K2. Effective Aug 17, 2004
- [AD 2003-12-13](https://openairdocs.org/ad/2003-12-13): Tail rotor blade (blade) · Agusta A109K2. Effective Jul 11, 2003
- [AD 2002-20-05](https://openairdocs.org/ad/2002-20-05): Rescue hoists · Agusta A109, A109A, A109A II and 31 more. Effective Nov 7, 2002
- [AD 2000-20-06](https://openairdocs.org/ad/2000-20-06): Aft Support Fitting · Agusta A109E and A109K2. Effective Oct 17, 2000
- [AD 2000-08-05](https://openairdocs.org/ad/2000-08-05): Main Rotor Pitch Control Link Assembly · Agusta A109C and A109K2. Effective May 30, 2000
- [AD 99-04-20](https://openairdocs.org/ad/99-04-20): Breeze-Eastern Rescue Hoist Cable · Agusta A109K2. Effective Mar 4, 1999
- [AD 98-13-28](https://openairdocs.org/ad/98-13-28): Tail Rotor Blade Inspection · Agusta A109C and A109K2. Effective Jul 13, 1998
- [AD 97-26-09](https://openairdocs.org/ad/97-26-09): Inspect Gleason Crown For Cracks · Agusta A109K2. Effective Jan 2, 1998
- [AD 78-24-02](https://openairdocs.org/ad/78-24-02): Main Transmission · Agusta A109, A109A, A109A II and 3 more. Effective Nov 24, 1978

### Matched by engine (Turbomeca ARRIEL-1K1)

- [AD 2023-13-14](https://openairdocs.org/ad/2023-13-14): Engine · Safran Helicopter Engines Arriel 1C, Arriel 1C1, Arriel 1C2 and 1 more. Effective Jul 25, 2023
- [AD 2017-15-07](https://openairdocs.org/ad/2017-15-07): Fuel Control/Turbine Engines · Safran Helicopter Engines Arriel 1A1, Arriel 1A2, Arriel 1B and 9 more. Effective Aug 8, 2017
- [AD 2016-22-10](https://openairdocs.org/ad/2016-22-10): Centrifugal impeller · Turbomeca Arriel 1, Arriel 1A, Arriel 1A1 and 13 more. Effective Dec 6, 2016
- [AD 2015-13-04](https://openairdocs.org/ad/2015-13-04): Engine accessory gearbox (AGB) · Turbomeca Arriel 1A1, Arriel 1A2, Arriel 1B and 16 more. Effective Sep 1, 2015
- [AD 2013-24-05](https://openairdocs.org/ad/2013-24-05): Free turbine module · Turbomeca Arriel 1A1, Arriel 1A2, Arriel 1B and 9 more. Effective Jan 28, 2014
- [AD 2013-08-22](https://openairdocs.org/ad/2013-08-22): Tachometer's unit cycle-counting feature · Turbomeca Arriel 1A1, Arriel 1A2, Arriel 1B and 9 more. Effective May 28, 2013
- [AD 2012-27-02](https://openairdocs.org/ad/2012-27-02): High gas generator speed (NG) rating vibration check · Turbomeca Arriel 1A1, Arriel 1A2, Arriel 1B and 9 more. Effective Feb 14, 2013
- [AD 2012-24-03](https://openairdocs.org/ad/2012-24-03): Gas generator rotating assembly · Turbomeca Arriel 1A, Arriel 1A1, Arriel 1A2 and 10 more. Effective Jan 7, 2013
- [AD 2009-26-07](https://openairdocs.org/ad/2009-26-07): Reduction gearboxes (module M05) · Turbomeca Arriel 1A1, Arriel 1A2, Arriel 1B and 9 more. Effective Jan 12, 2010
- [AD 2007-02-17](https://openairdocs.org/ad/2007-02-17): Fuel leak at the level of start electro valve · Turbomeca Arriel 1A, Arriel 1A1, Arriel 1A2 and 12 more. Effective Mar 2, 2007
- [AD 2003-16-03](https://openairdocs.org/ad/2003-16-03): Second Stage Turbine Disk · Turbomeca Arriel 1A, Arriel 1A1, Arriel 1A2 and 10 more. Effective Sep 12, 2003
- [AD 2003-03-12](https://openairdocs.org/ad/2003-03-12): Bleed Valve · Turbomeca Arriel 1A2, Arriel 1C, Arriel 1C1 and 12 more. Effective Mar 7, 2003
- [AD 2000-20-01](https://openairdocs.org/ad/2000-20-01): Rear Bearing Oil Return System · Turbomeca Arriel 1A, Arriel 1A1, Arriel 1A2 and 9 more. Effective Oct 17, 2000

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

- [AD 2021-23-13](https://openairdocs.org/ad/2021-23-13) (historical): Ground Proximity System · Airbus Helicopters K-225, K-190A, K-240 and 237 more. Effective Dec 9, 2021
- [AD 2021-17-18](https://openairdocs.org/ad/2021-17-18) (historical): Tail Rotor System · Leonardo A109C, A109E, A109K2 and 2 more. Effective Sep 7, 2021
- [AD 2018-07-08](https://openairdocs.org/ad/2018-07-08) (historical): Tail Rotor Drive System · Agusta A109E, A109K2, A109S and 3 more. Effective Apr 26, 2018
- [AD 2014-02-08](https://openairdocs.org/ad/2014-02-08) (historical): Tail Rotor System · Agusta A109C, A109E, A109K2 and 2 more. Effective Mar 7, 2014
- [AD 2010-02-51](https://openairdocs.org/ad/2010-02-51) (historical): Main rotor scissor fitting assembly fixing bolt · Agusta A109A, A109A II, A109C and 1 more
- [AD 2007-26-52](https://openairdocs.org/ad/2007-26-52) (historical): Main rotor blade (MRB) · Agusta A109C, A109E and A109K2. Effective May 27, 2008
- [AD 2001-24-07 R1](https://openairdocs.org/ad/2001-24-07-R1) (historical): Main Rotor Blade Tip Cap · Agusta A109C, A109E and A109K2. Effective Jul 30, 2004
- [AD 2001-24-07](https://openairdocs.org/ad/2001-24-07) (historical): Blade Tip Cap · Agusta A109C, A109E and A109K2. Effective Jan 7, 2002
- [AD 98-19-04](https://openairdocs.org/ad/98-19-04) (historical): Main Rotor Blade Tip Cap · Agusta A109C, A109E and A109K2. Effective Mar 3, 1999
- [AD 99-02-09](https://openairdocs.org/ad/99-02-09) (historical): Pitch Change Link Assembly · Agusta A109C and A109K2. Effective Feb 19, 1999
- [AD 2017-04-51](https://openairdocs.org/ad/2017-04-51) (historical): Fuel Control/ Turbine Engines · Safran Helicopter Engines Arriel 1A1, Arriel 1A2, Arriel 1B and 9 more. Effective Mar 30, 2017
- [AD 2014-19-05](https://openairdocs.org/ad/2014-19-05) (historical): Engine accessory gearbox (AGB) · Turbomeca Arriel 1A1, Arriel 1A2, Arriel 1B and 16 more. Effective Nov 5, 2014
- [AD 2009-12-51](https://openairdocs.org/ad/2009-12-51) (historical): Gearboxes (module M05) · Turbomeca Arriel 1A1, Arriel 1A2, Arriel 1B and 9 more. Effective Jul 15, 2009
- [AD 2003-12-14](https://openairdocs.org/ad/2003-12-14) (historical): Axial Compressor · Turbomeca Arriel 1A, Arriel 1A1, Arriel 1A2 and 11 more. Effective Jul 25, 2003

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N901HC.

## FAA accident and incident reports

None matched to N901HC.

## Service difficulty reports (5)

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 I7LA0002746](https://openairdocs.org/sdr/I7LA0002746), Sep 5, 2004: TRUNNION. OVERHEATED. SEPT 5, 2004. AIRCRAFT TT: 3518.7 UPON 25 HOUR INSPECTION, TAIL ROTOR TRUNION ENAMEL PAINT DISCOLORED. SIGNS OF EXCESSIVE HEAT.
- [SDR I7AL0002748](https://openairdocs.org/sdr/I7AL0002748), Sep 2, 2004: TRUNNION. OVERHEATED. UPON DAILY INSPECTION, MECHANIC FOUND ABNORMAL PLAY IN TAIL ROTOR ASSEMBLY. TRUNION- FURTHER INSPECTION FOUND SIGNS OF EXCESSIVE HEAT TO TRUNION ENAMEL PAINT DI
- [SDR I7LA0002736](https://openairdocs.org/sdr/I7LA0002736), Aug 20, 2004: TRUNNION. LOOSE. UPON DAILY INSPECTION, MECHANIC NOTED EXCESSIVE PLAY IN TAIL ROTOR HUB AT TRUNION AREA. TAIL ROTOR HUB WAS REMOVED FOR INSPECTION A SOFT FACE MALLET WAS REQUIRE
- [SDR I7LA0002739](https://openairdocs.org/sdr/I7LA0002739), Aug 19, 2004: GEARBOX. DAMAGED. REMOVAL OF TAIL ROTOR HUB AND BLADE ASSY. FOUND TAIL ROTOR GEARBOX OUTPUT SHAFT TO HAVE METAL TRANSFER TYPE DAMAGE TO SPLINE AREA. HEAT GENERATED FROM THE TAIL 
- [SDR I7LA0002728](https://openairdocs.org/sdr/I7LA0002728), Aug 12, 2004: TRUNNION. OVERHEATED. UPON 25 HOUR INSPECTION, SIGNS OF HEAT NOTED. ENAMEL PAINT WAS BROWN-DISCOLORED.

## STCs that may be installed (OpenAirDocs) (40)

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 (Agusta S P A A109K2)

- [STC SR04842NY](https://openairdocs.org/stc/SR04842NY): Installation of RMCI Inc. Expandable Rotorcraft Diagnostic System (XRDS). Sterling Helicopter
- [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 SR04557AT](https://openairdocs.org/stc/SR04557AT): Cabin and crew floor protector installations. Helifab East LLC
- [STC SR00084IB](https://openairdocs.org/stc/SR00084IB): Installation of Alternative Inflation System for Emergency Flotation System. SAAB AKTIEBOLAG
- [STC SR02704SE](https://openairdocs.org/stc/SR02704SE): Installation and maintenance of the Sunspot 36 and 46 series lights. AeroLED's Holdings LLC
- [STC SR01476SE](https://openairdocs.org/stc/SR01476SE): Installation of a Supplemental Lighting System. Aviation Specialties Unlimited Inc
- [STC SR04453CH](https://openairdocs.org/stc/SR04453CH): Installation of Appareo Systems LLC Stratus ES & Stratus ESG ADS-B transponder. Appareo Systems LLC
- [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 SR04390CH](https://openairdocs.org/stc/SR04390CH): Installation of an Electronic Flight Instrument System (EFIS) in accordance with StandardAero Master Data List 1036284, Revision (B), dated June 5, 2019 or later FAA approved revision. StandardAero Business Aviation Services LLC
- [STC SR00359BO](https://openairdocs.org/stc/SR00359BO): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. Whelen Aerospace Technologies
- [STC SR01812LA](https://openairdocs.org/stc/SR01812LA): Installation of Apical Industries, Inc. Emergency Float Kit. Apical Industries Inc. dba Dart Aerospace
- [STC SR02257CH](https://openairdocs.org/stc/SR02257CH): Install air ambulance conversion. Snaky Creek Enterprises LLC dba Spectrum Aeromed
- [STC SR02894CH](https://openairdocs.org/stc/SR02894CH): Install EMS ITS Deck with the Factory EMS Interior. Spectrum Aeromed LLC dba Spectrum Aeromed
- [STC SR02258SE](https://openairdocs.org/stc/SR02258SE): Installation of a tail rotor pedal lockout kit. Dart Aerospace USA Inc
- [STC SR03055CH](https://openairdocs.org/stc/SR03055CH): Installation of Flight Data Monitoring System. MSP Aero LLC
- [STC SR02487AK](https://openairdocs.org/stc/SR02487AK): Installation of L-3 Communications Avionics Systems ESI-500 Standby Instrument System. ADS-B Technologies, LLC
- [STC SR09017RC](https://openairdocs.org/stc/SR09017RC): Installation of a Sextant AFDS 95 automatic flight control system. Thales Avionics Inc
- [STC SR09075RC](https://openairdocs.org/stc/SR09075RC): Installation of Sextant AFDS 95-1 autopilot system for IFR operations. Thales Avionics Inc
- [STC SR00060DE](https://openairdocs.org/stc/SR00060DE): Installation of Belt-Driven Vapor Cycle Air Conditioning System Kit P/N A109-00-011 with dual condenser blower configuration. RSG Products Inc
- [STC SR02394AK](https://openairdocs.org/stc/SR02394AK): Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system. Seaplanes North LLC
- [STC SR01124NY-D](https://openairdocs.org/stc/SR01124NY-D): Installation of an Aeromedical Liquid Oxygen System. Sikorsky Aircraft Corporation
- [STC SH4676SW](https://openairdocs.org/stc/SH4676SW): Installation of Tail Rotor Floodlights on the upper surface of the horizontal stabilizer. DeVore Aviation Corporation of America, a New Mexico Corporation
- [STC SH2458SO](https://openairdocs.org/stc/SH2458SO): Installation of FLIR Systems, Inc., Model 2000/2500 Series Thermal Imager System. Bell Helicopter Textron Inc. Lists A109 Series
- [STC SR01963AT](https://openairdocs.org/stc/SR01963AT): Manufacture of Replacement Windshields. Bell Helicopter Textron Inc
- [STC SR09406RC](https://openairdocs.org/stc/SR09406RC): Installation of Control Products Corporation Night Vision Imaging System (NVIS) Lighting System in accordance with Control Products Corporation Master Drawing List MDL-109K2-001, Revision G, dated May 4, 2004, or later FAA approved revision(s). Control Products Corp
- [STC SH3754SW](https://openairdocs.org/stc/SH3754SW): Installation of DeVore forward facing recognition lights. DeVore Aviation Corporation of America, a New Mexico Corporation
- [STC SH3811NM](https://openairdocs.org/stc/SH3811NM): Install a combination attendant seat and patient litter kit assembly. Aero Credit Company Inc
- [STC SR00160DE](https://openairdocs.org/stc/SR00160DE): Installation of right bubble window. Agusta Aerospace Corporation
- [STC SR00161DE](https://openairdocs.org/stc/SR00161DE): Installation of REGA Snow Skis. Agusta Aerospace Corporation
- [STC SR01844AT](https://openairdocs.org/stc/SR01844AT): Installation of Tail Rotor Pedal Lockout Kit. Bell Helicopter Textron Inc
- [STC SR09075RC-R](https://openairdocs.org/stc/SR09075RC-R): Installation of Sextant AFDS 95-1 autopilot system for IFR operations. Thales Avionics Inc
- [STC SR01255NY](https://openairdocs.org/stc/SR01255NY): Increase in the altitude limitation on external hoist operations. Agusta Aerospace Corporation
- [STC SH638NE](https://openairdocs.org/stc/SH638NE): Installation of Parker Model 2C35-3 fuel tank mounted auxiliary fuel boost pumps to be used interchangeably with the standard Agusta P/N 109-0611-53-1 electric fuel pumps. Parker Hannifin Corp
- [STC SR09200RC](https://openairdocs.org/stc/SR09200RC): Installation of a rotor dynamics americas, inc RDA 3303 airborne vibration Monitoring system. Rotor Dynamics Americas
- [STC SR00510NY](https://openairdocs.org/stc/SR00510NY): Installation of B.F. Goodrich condition assessment and monitoring system (CAMS). Simmonds Precision Products Inc
- [STC SR00815NY](https://openairdocs.org/stc/SR00815NY): Installation of Oxygen Supply Stem for Emergency Medical Service (EMS) Interior. Advanced Flight System, Inc
- [STC SR00058NY](https://openairdocs.org/stc/SR00058NY): Installation of lightweight LW EMS interior. Agusta Aerospace Corporation

### Approved for the engine (Turbomeca ARRIEL-1K1)

- [STC SE00328AT](https://openairdocs.org/stc/SE00328AT): Installation of a P2 fuel control isolation valve kit. Bell Helicopter Textron Inc
- [STC SE00567AT](https://openairdocs.org/stc/SE00567AT): Install Aeronautical Accessories Torque Monitoring System. Bell Helicopter Textron Inc
- [STC SE1029GL](https://openairdocs.org/stc/SE1029GL): Installation of a fuel flow transducer. Shadin Company, Inc

## Related

- Other Agusta S P A A109K2 aircraft: https://openairdocs.org/model/agusta-s-p-a-a109k2/aircraft.md
- The Turbomeca ARRIEL-1K1 engine: https://openairdocs.org/engine/turbomeca-arriel-1k1.md

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