# Agusta A109A

- Type: Aircraft model (FAA registry)
- Registry code: 0260112
- Manufacturer (registry): AGUSTA SPA
- Model: A109A
- Aircraft type: Rotorcraft
- Category: Rotorcraft
- Engines: 2 · Turbo-shaft
- Seats: 8
- Weight class: Up to 12,499 lb
- Certification: Type certificated
- Data sheet: [TCDS H7EU](https://openairdocs.org/tcds/H7EU) (OpenAirDocs)
- Holder: Leonardo S.p.A.
- Registered aircraft: 5
- Page: https://openairdocs.org/model/agusta-a109a

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 2026-17-07](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 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 2022-05-10](https://openairdocs.org/ad/2022-05-10): Cabin Equipment/Furnishings · Airbus Helicopters AS332L, AS332L1, AS332L2 and 57 more. Effective Apr 20, 2022
- [AD 2021-26-24](https://openairdocs.org/ad/2021-26-24): Main Rotor Blades · Leonardo A109A and A109A II. Effective Feb 22, 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 2021-10-24](https://openairdocs.org/ad/2021-10-24): Tail Rotor Control System · Leonardo A109A and A109A II. Effective Jun 18, 2021
- [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 2017-18-13](https://openairdocs.org/ad/2017-18-13): Main Rotor Blade · Agusta A109A and A109A II. Effective Sep 25, 2017
- [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 2015-05-51](https://openairdocs.org/ad/2015-05-51): Main Rotor Blades · Agusta A109A and A109A II. Effective Jul 1, 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 2014-11-07](https://openairdocs.org/ad/2014-11-07): Main Rotor System · Agusta A109A, A109A II, A109C and 6 more. Effective Jun 18, 2014
- [AD 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 2011-17-14](https://openairdocs.org/ad/2011-17-14): Hub plug · Agusta A109A and A109A II. Effective Sep 12, 2011
- [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 2008-24-06](https://openairdocs.org/ad/2008-24-06): Tail rotor blade · Agusta A109A and A109A II. Effective Dec 30, 2008
- [AD 2008-09-03](https://openairdocs.org/ad/2008-09-03): Grooved clamp fixing · Agusta A109A, A109A II and A109C. Effective May 13, 2008
- [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 2000-15-20](https://openairdocs.org/ad/2000-15-20): Main Rotor Blade Spar · Agusta A109A and A109A II. Effective Sep 19, 2000
- [AD 2000-08-02](https://openairdocs.org/ad/2000-08-02): Transmission · Agusta A109A, A109A II and A109C. Effective May 1, 2000
- [AD 95-13-10](https://openairdocs.org/ad/95-13-10): Vertical Fin Attachment · Agusta A109A, A109A II and A109C. Effective Aug 9, 1995
- [AD 94-22-04](https://openairdocs.org/ad/94-22-04): Main Rotor Retention Straps · Agusta A109A and A109A II. Effective Dec 1, 1994
- [AD 91-08-05](https://openairdocs.org/ad/91-08-05): Main Rotor Blade · Agusta A109A and A109A II. Effective May 7, 1991
- [AD 84-13-06 R2](https://openairdocs.org/ad/84-13-06-R2): Tail Rotor Blade Grip · Agusta A109A and A109A II. Effective Aug 30, 1987
- [AD 79-19-07 R1](https://openairdocs.org/ad/79-19-07-R1): Tail Rotor Gearbox Mounting · Agusta A109A and A109A II. Effective Aug 16, 1982
- [AD 82-04-04](https://openairdocs.org/ad/82-04-04): Tail Boom Assemblies · Agusta A109A and A109A II. Effective Feb 19, 1982
- [AD 82-01-06](https://openairdocs.org/ad/82-01-06): Engine Mount Central Leg · Agusta A109A and A109A II. Effective Feb 8, 1982
- [AD 81-20-03](https://openairdocs.org/ad/81-20-03): Drive Shaft Support Bearings · Agusta A109A and A109A II. Effective Nov 12, 1981
- [AD 81-13-11](https://openairdocs.org/ad/81-13-11): Main Rotor Blades · Agusta A109A and A109A II. Effective Jul 20, 1981
- [AD 81-02-04](https://openairdocs.org/ad/81-02-04): Main Blade Pitch Control · Agusta A109, A109A and A109A II. Effective Jan 5, 1981
- [AD 80-22-09](https://openairdocs.org/ad/80-22-09): Engine Mount Structure · Agusta A109A and A109A II. Effective Nov 6, 1980
- [AD 80-16-02](https://openairdocs.org/ad/80-16-02): Nose Large Mount Assembly · Agusta A109A and A109A II. Effective Aug 11, 1980
- [AD 80-15-12](https://openairdocs.org/ad/80-15-12): Main Rotor Mast Bearing · Agusta A109A and A109A II. Effective Aug 7, 1980
- [AD 80-07-10](https://openairdocs.org/ad/80-07-10): Engine Operating Condition · Agusta A109A and A109A II. Effective Mar 27, 1980
- [AD 79-04-02](https://openairdocs.org/ad/79-04-02): Tailboom Attachment Provisions · Agusta A109A. Effective Mar 5, 1979
- [AD 79-02-04](https://openairdocs.org/ad/79-02-04): Tail Rotor Drive Shaft · Agusta A109, A109A, A109 and 3 more. Effective Feb 19, 1979
- [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
- [AD 77-14-01](https://openairdocs.org/ad/77-14-01): Main Rotor Flaps · Agusta A109A. Effective Jul 15, 1977

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 2015-22-51](https://openairdocs.org/ad/2015-22-51) (historical): Main Rotor Blade · Agusta A109A and A109A II. Effective Feb 16, 2016
- [AD 2015-25-04](https://openairdocs.org/ad/2015-25-04) (historical): Tail Rotor Control System · Agusta A109A and A109A II. Effective Dec 24, 2015
- [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 99-27-12](https://openairdocs.org/ad/99-27-12) (historical): Tail Rotor Blade · Agusta A109A and A109A II. Effective Jan 5, 2000
- [AD 99-26-13](https://openairdocs.org/ad/99-26-13) (historical): Blade Crack Inspection · Agusta A109A and A109A II. Effective Jan 4, 2000

## Information bulletins (advisory) (1)

- [SAIB SW-12-45](https://openairdocs.org/saib/SW-12-45): Garmin Model 400W/500W Series GPS-WAAS Navigation System. Issued Oct 3, 2012

## Registered aircraft (5)

- [N109WH](https://openairdocs.org/aircraft/N109WH): [Tre Aviation Corp](https://openairdocs.org/faa-owner/TRE%20AVIATION%20CORP), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1997, S/N 7174
- [N109WJ](https://openairdocs.org/aircraft/N109WJ): [L S Service Corp](https://openairdocs.org/faa-owner/L%20S%20SERVICE%20CORP), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1982, S/N 7218
- [N109XP](https://openairdocs.org/aircraft/N109XP): [National Test Pilot School](https://openairdocs.org/faa-owner/NATIONAL%20TEST%20PILOT%20SCHOOL), [Mojave, CA](https://openairdocs.org/faa-place/CA/Mojave), built 1981, S/N 7178
- [N716AM](https://openairdocs.org/aircraft/N716AM): [Niihau Helicopters Inc](https://openairdocs.org/faa-owner/NIIHAU%20HELICOPTERS%20INC), [Makaweli, HI](https://openairdocs.org/faa-place/HI/Makaweli), built 1980, S/N 7175
- [N716LP](https://openairdocs.org/aircraft/N716LP): [Turbines Ltd](https://openairdocs.org/faa-owner/TURBINES%20LTD), [West Point, NE](https://openairdocs.org/faa-place/NE/West%20Point), S/N 7167

## NTSB investigations (3)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB NYC81FA020](https://openairdocs.org/ntsb/NYC81FA020), Jan 16, 1981: Agusta A109-A (N86NR), Pittsburgh, PA, destroyed
- [NTSB NYC79FHI15](https://openairdocs.org/ntsb/NYC79FHI15), Jun 1, 1979: Agusta 109A (N516KA), New York, NY, substantial damage
- [NTSB NYC78FGM19](https://openairdocs.org/ntsb/NYC78FGM19), Feb 21, 1978: Agusta 109 (N86NR), Rector, PA, substantial damage

## FAA accident and incident reports (7)

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 20170125000799I](https://openairdocs.org/incident/20170125000799I), Jan 25, 2017: Agusta Spa A109A (N716AM), Makaweli, HI, Minor damage. The pilot had dropped off passengers at phbk and waited for word that the helipad lights at thier hangar were deployed and lit. The pilot then departed phbk…
- [Incident 20130803015349I](https://openairdocs.org/incident/20130803015349I), Aug 3, 2013: Agusta Spa A109A (N109WJ), Ft. Lauderdale, FL, Minor damage. Aircraft experienced a utility hydraulic system leak. The landing gear failed to extend with normal gear extension procedures. The landing gear emergency…
- [Incident 20120717014499I](https://openairdocs.org/incident/20120717014499I), Jul 17, 2012: Agusta Spa A109A (N716AM), Nonopapa Niihau, HI, Minor damage. On July 17, 2012 at approximately 1245 Hawaii standard time, N716AM, an Agusta A109A helicopter operated by Niihau helicopters, inc. a 14 CFR § 135 on demand…
- [Incident 19850711053439I](https://openairdocs.org/incident/19850711053439I), Jul 11, 1985: Agusta A109 (N109HC), New York, NY. During cruise, aircraft contacted 100 pound test nylon kite cord. Cord entangled in rotors. Safe landing.
- [Accident 19810116000549A](https://openairdocs.org/incident/19810116000549A), Jan 16, 1981: Agusta A109A (N86NR), Pittsburgh, PA, Destroyed. Lost tail rotor control. Spun into river, rolled over, sank. Found seized tail rotor bearings. Failed to cut power.
- [Accident 19790601012859A](https://openairdocs.org/incident/19790601012859A), Jun 1, 1979: Agusta A109 (N516KA), New York, NY, Destroyed. Touchdown from hover. Experienced dynamic vibration and rollover. Factors technique and improper strut adjustment.
- [Accident 19780221006789A](https://openairdocs.org/incident/19780221006789A), Feb 21, 1978: Agusta A109A (N86NR), Rector, PA, Substantial damage. Piece of crusted snow with soil struck t/r.

## Service difficulty reports (14)

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

- [SDR QMLA2017123117145](https://openairdocs.org/sdr/QMLA2017123117145), Dec 31, 2017: FIRE DETECTOR. FALSE ACTIVATION. AIRCRAFT HAD A AMBER "#1 FIRE DET" ON EDU. AFTER TROUBLESHOOTING THE ISSUE FOUND THAT THE #1 FIRE DETECTOR IT SELF FAIL THE CHECKS PERSCRIBED VIA MAINTENANCE MA
- [SDR JBZA201212181004](https://openairdocs.org/sdr/JBZA201212181004), Dec 18, 2012: SPAR. CRACKED. DURING A 300 HR INSPECTION OF THE VERTICAL FIN REAR SPAR, FOUND A 1" IN LENGTH CRACK AT STATION 9704.8.
- [SDR JBZA201210030001](https://openairdocs.org/sdr/JBZA201210030001), Oct 2, 2012: WARNING LIGHT. ILLUMINATED. TRANSMISSION CHIP DETECTOR LIGHT ILLUMINATED IN-FLIGHT, ELECTED TO LAND AT A SITE OTHER THAN THE DESTINATION. FOLLOWING THE AMM AND ANALYSIS OF THE CHIPS ON THE
- [SDR 2010F00179](https://openairdocs.org/sdr/2010F00179), Jul 22, 2010: TRANSMISSION. WARNING LIGHT. AFTER INITIAL CLIMB-OUT AND LEVEL OFF AT 1500 FT AGL THE ACFT DISPLAYED A "MASTER CAUTION", LIGHT WITH ASSOCIATED "XMSN CHIPS". ALL OTHER TRANSMISSION INDICATIO
- [SDR 2010FA0000298](https://openairdocs.org/sdr/2010FA0000298), Mar 19, 2010: BLADE. CRACKED. (JBZR) DURING PILOT PRE-FLIGHT INSP, FOUND APPROX (1) 2.5 INCH LONG DELAMINATION AND A (2ND) .7500 INCH LONG DELAMINATION OF THE END PLIES OF ONE MAIN ROTOR BLA
- [SDR JBZA21RXTB11110](https://openairdocs.org/sdr/JBZA21RXTB11110), Jan 9, 2010: FIRE DETECTOR. FALSE INDICATION. ON 01/09/10 AT APPROX 0023 HOURS, WAS NOTIFIED OF A RETURNED BACK TO DEPARTURE FOR A PRECAUTIONARY LANDING DUE TO A WARNING LIGHT ACTIVATION INDICATING A FIRE O
- [SDR JBZA21RXTB123109](https://openairdocs.org/sdr/JBZA21RXTB123109), Dec 31, 2009: FIRE LOOP. FALSE ACTIVATION. ON 12/31/09 AT APPROX 0206 HOURS, THE ACFT WAS RETURNING BACK TO BASE FROM DROPPING A PATIENT OFF, WHEN IT WAS NOTICED THEY HAD LANDED AT THE REACH 3 BASE. AT A
- [SDR 2009F00085](https://openairdocs.org/sdr/2009F00085), Sep 16, 2009: LINE. LEAKING. DURING PART 91 FLIGHT, IN CRUISE, ACFT EXPERIENCED LOSS OF NR1 HYD SYS OIL PRESSURE. PILOT DECLARED AN EMERGENCY, FOLLOWED MFG EMERGENCY PROCEDURES AND CONTINUE
- [SDR 109061306](https://openairdocs.org/sdr/109061306), Jun 13, 2006: CHECK VALVE. BROKEN. WHILE IN FOR A SCHEDULED INSPECTION, OUR TWIN ENGINE HELICOPTER EXPERIENCED A LOW POWER ENGINE PLOT ON NR 1 ENGINE. AN INTERESTING SIDE NOTE WAS THAT WITH BOTH 
- [SDR 109070705DG](https://openairdocs.org/sdr/109070705DG), Jul 7, 2005: BOLT. SHEARED. DURING A ROUTINE PREFLIGHT INSPECTION, OUR BASE MECHANIC VISUALLY IDENTIFIED A LOOSE BOLT (P/N NAS624H8) ATTACHING THE MAIN LANDING GEAR INBOARD ACTUATOR SUPPOR
- [SDR AU010296](https://openairdocs.org/sdr/AU010296), Mar 18, 2001: TRANSMITTER. FAULTY. (AUS) ENGINE TORQUE TRANSMITTER FAULTY.
- [SDR 20010323CW014](https://openairdocs.org/sdr/20010323CW014), Feb 15, 2001: RIB. CRACKED. DURING A WIRING REPAIR TO THE LEFT NAVIGATION LIGHT, A CRACK WAS FOUND UNDER THE VIBRATION DAMPER WEIGHT. NO UNUSUAL VIBRATION HAD BEEN REPORTED PRIOR TO THE CR
- [SDR 98ZZZX1030](https://openairdocs.org/sdr/98ZZZX1030), Feb 24, 1998: FILTER. COLLAPSED. FUEL NOZZLE FILTER IS PARTIALLY COLLAPSED DUE TO FOREIGN OBJECT INSERTED INTO INLET.
- [SDR 97ZZZX2295](https://openairdocs.org/sdr/97ZZZX2295), Apr 25, 1997: ACTUATOR. DEFECTIVE. PILOT NOTICED UTILITY HYDRAULIC POWER CYCLING EXCESSIVELY. GROUND RETRACT TEST SHOWED PROBLEM ONLY ON UPSIDE, ISOLATING THE PROBLEM TO NOSE GEAR ACTUATOR. RESEA

## STCs that may be installed (OpenAirDocs) (65, 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 SR04842NY](https://openairdocs.org/stc/SR04842NY): Installation of RMCI Inc. Expandable Rotorcraft Diagnostic System (XRDS). Sterling Helicopter
- [STC SR00182IB](https://openairdocs.org/stc/SR00182IB): Installation of the Avidyne Integrated Flight Display (IFD) Navigator(s). Horizon Design Services Ltd
- [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 SR01456LA](https://openairdocs.org/stc/SR01456LA): Installation of Concorde RG407 Batteries. 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 SR01476SE](https://openairdocs.org/stc/SR01476SE): Installation of a Supplemental Lighting System. Aviation Specialties Unlimited Inc
- [STC SH301NM](https://openairdocs.org/stc/SH301NM): Installation of a Sperry AA-300 radio altimeter system. Honeywell International Inc
- [STC SH300NM](https://openairdocs.org/stc/SH300NM): Installation of a Sperry Primus300SL or 400SL weather radar system and new nose radome. Honeywell International 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 SR02258SE](https://openairdocs.org/stc/SR02258SE): Installation of a tail rotor pedal lockout kit. Dart Aerospace USA Inc
- [STC SR02377AK](https://openairdocs.org/stc/SR02377AK): Installation of a fixed mounted Max-Viz Enhanced Vision System (EVS) Model 1500 to include a sensor Line Replaceable Unit (LRU) with conformal housing, power supply, Detached Electrical Box (DEB) and a glareshield-mounted, dedicated display monitor. Avio Design Group 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 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 SR000291DE](https://openairdocs.org/stc/SR000291DE): Installation of Bleed Air Cabin Heating/ Windshield Defroster System. Air Comm 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 SH2808SO](https://openairdocs.org/stc/SH2808SO): Installation of a Grames retractable landing light. Bell Helicopter Textron Inc
- [STC SR02232LA](https://openairdocs.org/stc/SR02232LA): Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System. Garmin AT Inc
- [STC SR01963AT](https://openairdocs.org/stc/SR01963AT): Manufacture of Replacement Windshields. Bell Helicopter Textron Inc
- [STC SH1190EA](https://openairdocs.org/stc/SH1190EA): Installation of Aircraft Parts Corp. (APC) starter-generator, P/N 150SG1110. Skurka Aerospace Inc
- [STC SR01867SE](https://openairdocs.org/stc/SR01867SE): ONE ONLY STC, SN A109AI, Serial Number 7280: Installation of a Supplemental Lighting System. Aviation Specialties Unlimited Inc
- [STC SR02189NY](https://openairdocs.org/stc/SR02189NY): Iinstallation of SkyTrac ISAT-100 Airborne Position/Data Communicator System. SkyTrac Systems Ltd
- [STC SR01903SE](https://openairdocs.org/stc/SR01903SE): ONE ONLY STC, SN 7131: Installation of a Supplemental Lighting System. Aviation Specialties Unlimited Inc
- [STC SH3754SW](https://openairdocs.org/stc/SH3754SW): Installation of DeVore forward facing recognition lights. DeVore Aviation Corporation of America, a New Mexico Corporation
- [STC SR00811NY](https://openairdocs.org/stc/SR00811NY): Installation of Technisonic Industries Limited TFM-138 series transceiver models. Technisonic Industries Limited
- [STC SR01834NY](https://openairdocs.org/stc/SR01834NY): Installation of Globalstar Satellite Telephone System. Atlantic Avionics Inc
- [STC SH3533NM](https://openairdocs.org/stc/SH3533NM): Cockpit sun visor installation. Rosen Sunvisor Systems LLC
- [STC SH3811NM](https://openairdocs.org/stc/SH3811NM): Install a combination attendant seat and patient litter kit assembly. Aero Credit Company Inc
- [STC SR01844AT](https://openairdocs.org/stc/SR01844AT): Installation of Tail Rotor Pedal Lockout Kit. Bell Helicopter Textron Inc
- [STC SH5770NM](https://openairdocs.org/stc/SH5770NM): Installation of Aero transport isolette system. Aero Inc
- [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 SR00291DE](https://openairdocs.org/stc/SR00291DE): Installation of bleed air cabin heating/windshield defroster system. Air Comm Corporation
- [STC SH1553GL](https://openairdocs.org/stc/SH1553GL): Install removable-quick disconnect auxiliary fuel tank in baggage compartment. Aaron Charles P
- [STC SH701NE](https://openairdocs.org/stc/SH701NE): Installation of crew and cabin doors. Agusta Aerospace Corporation
- [STC SH2244NM](https://openairdocs.org/stc/SH2244NM): Installation of Silver Instruments Fueltron IIIPT-1GS, IIIPT-1PS, IIIPT-1LS, or IIIPT-1KS digital fuel flow indicating system. Arnav Systems Inc
- [STC SH795GL](https://openairdocs.org/stc/SH795GL): Installation of Facet Enterprises engine oil scavenge filter kits Nos. 1741260 and 1741270. Facet Filter Products
- [STC SH246NE](https://openairdocs.org/stc/SH246NE): Installation of Air Cruisers Co. inflatable emergency floats. Air Cruisers Company
- [STC SH359NE](https://openairdocs.org/stc/SH359NE): Installation of advanced vapor cycle air conditioning system. Advanced Flight System, Inc
- [STC SH3792NM](https://openairdocs.org/stc/SH3792NM): Installation of FC/FT-10 digital fuel flow indicating system. Arnav Systems, Inc

All 65: https://openairdocs.org/model/agusta-a109a/stcs.md

## The same model under other registry codes

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

- [Agusta-Bell A 109A](https://openairdocs.org/model/agusta-bell-a-109a): 1 registered aircraft, registry code 0260300

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