# Agusta S P A A109K2

- Type: Aircraft model (FAA registry)
- Registry code: 0260502
- Manufacturer (registry): AGUSTA S P A
- Model: A109K2
- 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: 2
- Page: https://openairdocs.org/model/agusta-s-p-a-a109k2

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 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

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

## Registered aircraft (2)

- [N129AL](https://openairdocs.org/aircraft/N129AL): [Niihau Helicopters Inc](https://openairdocs.org/faa-owner/NIIHAU%20HELICOPTERS%20INC), [Makaweli, HI](https://openairdocs.org/faa-place/HI/Makaweli), S/N 10029
- [N901HC](https://openairdocs.org/aircraft/N901HC): [Ihc Health Services Inc DBA](https://openairdocs.org/faa-owner/IHC%20HEALTH%20SERVICES%20INC%20DBA), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), built 1988, S/N 10033

## 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 WPR09CA462](https://openairdocs.org/ntsb/WPR09CA462), Sep 22, 2009: Agusta A109 (N129AL), Page, AZ, substantial damage. Probable cause: A total loss of engine power due to fuel exhaustion as a result of the pilot's inadequate in-flight planning and his decision to continue flight with a known low fuel level state.
- [NTSB DEN03FA099](https://openairdocs.org/ntsb/DEN03FA099), Jun 8, 2003: Agusta A109K2 (N123RX), Salt Lake City, UT, destroyed, 1 fatal. Probable cause: Fatigue of the tail rotor trunnion resulting in complete trunnion failure and subsequent tail rotor separation from the helicopter. Factors contributing to the accident were the low altitude, low…
- [NTSB FTW03FA082](https://openairdocs.org/ntsb/FTW03FA082), Jan 11, 2003: Agusta A-109-K2 (N601RX), Salt Lake City, UT, destroyed, 2 fatal. Probable cause: The pilot's delayed remedial action and continued flight into known adverse weather conditions which resulted in his failure to maintain clearance with the ground. Contributing factors were the…

## FAA accident and incident reports (6)

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 20110423006019I](https://openairdocs.org/incident/20110423006019I), Apr 23, 2011: Agusta S.P.A. A109K2 (N109RX), Bountiful, UT, Minor damage. The aircraft was transporting a patient from logan, Utah, to salt lake city, Utah, at approximately 11:19 pm local mountain daylight time (MDT). Descending out…
- [Accident 20090922019379A](https://openairdocs.org/incident/20090922019379A), Sep 22, 2009: Agusta A109K2 (N129AL), Page, AZ, Substantial damage. The aircraft ran out of fuel and made a forced landing in the baseball field at Page high school, located in Page, AZ. Block 22- omniflight operates all…
- [Accident 20030607010439A](https://openairdocs.org/incident/20030607010439A), Jun 7, 2003: Agusta A109K2 (N123RX), Holiday, UT, Destroyed, 1 fatal. (-23) Life flight augusta A109K2, N123RX, crashed at 2013 MDT in the Mt. Olympus area at 5600 wasatch bl, murray, UT. Witnesses observed the tail rotor…
- [Accident 20030110000089A](https://openairdocs.org/incident/20030110000089A), Jan 10, 2003: Agusta A109K2 (N601RX), Salt Lake City, UT, Substantial damage, 2 fatal. (-23) On January 10, 2003, a lifeflight helicopter #6, an Agusta A-109-K29, N601RX, was dispatch to an auto accident west of Salt Lake City, Utah, near the…
- [Incident 19950616018189I](https://openairdocs.org/incident/19950616018189I), Jun 16, 1995: Agusta A109K2 (N109RX), Bountiful, UT, Minor damage. Narrative: aircraft was on a training flight for 135 operations with the pilot under instruction at the controls. The aircraft was landed on a mountain saddle.…
- [Accident 19871030083199A](https://openairdocs.org/incident/19871030083199A), Oct 30, 1987: Agusta A109 (N109AM), Spring Valley, NY, Substantial damage. Lifted off to air taxi to park after passenger deplaned. Moved backwards and skid touched. Entered ground resonance

## Service difficulty reports (52, newest 50)

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

- [SDR I7LA2010F00073](https://openairdocs.org/sdr/I7LA2010F00073), Mar 20, 2010: PITCH CONTROL. SEPARATED. DURING CRUISE FLIGHT, PILOT NOTED A SLIGHT VIBRATION IN THE MAIN ROTOR SYS. THE FLIGHT WAS COMPLETED. UPON POST FLIGHT 1 OF THE 4 UPPER PITCH CHANGE LINK ROD EN
- [SDR 109RX042008](https://openairdocs.org/sdr/109RX042008), Apr 7, 2008: LONGERON. CRACKED. DURING A 3,000-HOUR INSPECTION THE UPPER LT TAILBOOM ATTACH FITTING WAS FOUND TO HAVE A 2-INCH CRACK. THIS EXACT LONGERON/ATTACH FITTING WAS REPLACED JUNE 2004 
- [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.
- [SDR I7LA0002725](https://openairdocs.org/sdr/I7LA0002725), Aug 5, 2004: TRUNNION. OVERHEATED. UPON 25 HOUR INSPECTION, TRUNION SHOWS SIGNS OF EXCESSIVE HEAT, DISCOLORED (BROWN) COATING. ENAMEL PAINT.
- [SDR 2002FA0001228](https://openairdocs.org/sdr/2002FA0001228), Oct 21, 2002: FUEL CELL. CONTAMINATED. PILOT REPORTS FILLING MAIN TANK THINKING IT IS FULL. AFTER A TIME GAUGES INDICATE LESS THAN FULL. INSPECTION OF INSIDE TANK THROUGH FILLER HOLE REVEALED DATA PL
- [SDR R7MA0000801](https://openairdocs.org/sdr/R7MA0000801), Oct 26, 1999: ROD ENDS. WORN. UPPER ROD END WORN BEYOND LIMITS. (X)
- [SDR 99ZZZX4121](https://openairdocs.org/sdr/99ZZZX4121), Oct 26, 1999: TRUNNION. SCORED. DURING A PRE-FLGIHT INSPECTION, PILOT NOTED FLAPPING OF TAIL ROTOR BLADES TO BE TIGHTER THAN NORMAL AND FELT TO BE ROUGH. MAINTENANCE NOTIFIED, TAIL ROTOR ASSY 
- [SDR R7MA0000800](https://openairdocs.org/sdr/R7MA0000800), Oct 25, 1999: COUPLING. WORN. SPLINES WORN BEYOND LIMITS. (X)
- [SDR R7MA0000793](https://openairdocs.org/sdr/R7MA0000793), Oct 15, 1999: SWITCH. INTERMITTENT. SWITCH INTERMITTENTLY INOPERATIVE. (X)
- [SDR R7MA0000786](https://openairdocs.org/sdr/R7MA0000786), Oct 13, 1999: HUB ASSY. DAMAGED. DURING PRE-FLIGHT INSPECTION, PILOT NOTED THE FLAPPING OF THE TAIL ROTOR BLADES TO BE TIGHTER THA NORMAL AND FELT TO BE ROUGH. MAINTENANCE REMOVED AND INSPECTED
- [SDR R7MA0000789](https://openairdocs.org/sdr/R7MA0000789), Oct 10, 1999: STARTER. MALAFUNCTIONED. STARTER INTERMITTENTLY WILL NOT TURN OVER. WHEN ENGINE IS HOT, STARTER WILL NOT TURN. WHEN AIRCRAFT COOLS FOR 30 MINUTES, ENGINE WILL START. SUBMITTER SUSPECTED
- [SDR R7MA0000828](https://openairdocs.org/sdr/R7MA0000828), Sep 13, 1999: FACEPLATE. DAMAGED. FACEPLATE DAMAGED AND UNREADABLE. P/N 58410A2B2C2D2F4L92. (X)
- [SDR R7MA0000827](https://openairdocs.org/sdr/R7MA0000827), Sep 13, 1999: FACEPLATE. DAMAGED. FACEPLATE DAMAGED AND UNREADABLE. P/N 58410A2B2C2D2F4L9N2. (X)
- [SDR R7MA0000722](https://openairdocs.org/sdr/R7MA0000722), Aug 4, 1999: SENSOR. MALFUNCTIONED. GPS SLOW TO COME ON LINE. (X)
- [SDR R7MA0000721](https://openairdocs.org/sdr/R7MA0000721), Aug 1, 1999: WINDOW. CRACKED. WINDOW CRACKED IN SEVERAL PLACES. (X)
- [SDR R7MA0000642](https://openairdocs.org/sdr/R7MA0000642), Apr 27, 1999: DRIVE COUPLING. WORN. SPLINES WORN BEYOND TOLERANCE. (X)
- [SDR R7MA0000637](https://openairdocs.org/sdr/R7MA0000637), Apr 23, 1999: DAMPER. WORN. BUSHINGS WORN. PAC WOULD NOT SUPPLY BUSHING. (X)
- [SDR R7MA0000635](https://openairdocs.org/sdr/R7MA0000635), Apr 23, 1999: BUSHING. WORN. MRH SWASHPLATE FIXED SCISSORS. REPLACED BEARINGS.
- [SDR R7MA0000628](https://openairdocs.org/sdr/R7MA0000628), Apr 23, 1999: ROD ENDS. WORN. ROD ENDS WORN. REPLACED FOUR EACH. (X)
- [SDR R7MA0000629](https://openairdocs.org/sdr/R7MA0000629), Apr 22, 1999: ROD END. WORN. ROD END WORN. (X)
- [SDR R7MA0000622](https://openairdocs.org/sdr/R7MA0000622), Apr 19, 1999: BUSHING. WORN. BUSHING WORN AND GROOVED BEYOND LIMITS. (X)
- [SDR R7MA0000621](https://openairdocs.org/sdr/R7MA0000621), Apr 19, 1999: BUSHING. WORN. BUSHING WORN AND GROOVED BEYOND LIMITS. (X)
- [SDR R7MA0000620](https://openairdocs.org/sdr/R7MA0000620), Apr 19, 1999: BUSHING. WORN. BUSHING WORN AND GROOVED BEYOND LIMITS. (X)
- [SDR R7MA0000619](https://openairdocs.org/sdr/R7MA0000619), Apr 19, 1999: BUSHING. WORN. BUSHING WORN AND GROOVED BEYOND LIMITS. (X)
- [SDR R7MA0000613](https://openairdocs.org/sdr/R7MA0000613), Apr 14, 1999: FCU. FAILED. NR 2 ENGINE IDLE AND TORQUE CHANGES IRREGULARLY. UPON REMOVAL, FOUND FUEL IN P2 LINE AT FCU.
- [SDR R7MA0000612](https://openairdocs.org/sdr/R7MA0000612), Apr 13, 1999: TRANSDUCER. FAILED. PRESSURE TRANSDUCER FAILED; WENT BELOW ZERO PSI DURING FIRST FLIGHT. (X)
- [SDR R7MA0000608](https://openairdocs.org/sdr/R7MA0000608), Apr 13, 1999: RUBBER. PEELING. RUBBER COATING PEELING OFF EXTERIOR FUEL CELL. (X)
- [SDR R7MA0000607](https://openairdocs.org/sdr/R7MA0000607), Apr 13, 1999: RUBBER. PEELING. RUBBER COATING PEELING OFF EXTERIOR FUEL CELL. (X)
- [SDR R7MA0000624](https://openairdocs.org/sdr/R7MA0000624), Apr 12, 1999: SUPPORT. WORN. COATING FOR SWASHPLATE SUPPORT WORN TO LIMITS. (X)
- [SDR R7MA0000559](https://openairdocs.org/sdr/R7MA0000559), Mar 12, 1999: BEARING. SPALLED. BEARING SPALLING. (X)
- [SDR R7MA0000564](https://openairdocs.org/sdr/R7MA0000564), Mar 11, 1999: VALVE. CLOGGED. BOTH VALVES CLOGGED AND LEAKING. (X)
- [SDR R7MA0000565](https://openairdocs.org/sdr/R7MA0000565), Mar 10, 1999: RUBBER. FLAKING. RUBBER FLAKING JUST INSIDE FILLER NECK.
- [SDR R7MA0000579](https://openairdocs.org/sdr/R7MA0000579), Jan 30, 1999: MAGNETIC SEAL. LEAKING. STARTER SEAL LEAKING ON NR 2 ENGINE. (X)
- [SDR R7MA0000562](https://openairdocs.org/sdr/R7MA0000562), Jan 11, 1999: TIP CAP. SEPARATED. MAIN ROTOR BLADE TIP CAP TRAILNG EDGE SEPARATING. (X)
- [SDR 99ZZZX687](https://openairdocs.org/sdr/99ZZZX687), Jan 5, 1999: DUCT. DAMAGED. FOUND EXHAUST DUCT DAMAGED, CRACKED.
- [SDR 98ZZZX4000](https://openairdocs.org/sdr/98ZZZX4000), Sep 30, 1998: LIGHT. FAILED. THE RELAYS THAT CONTROL EXTENTION, RETRACTION, AND ROTATION (AIM) ARC, AND THE POINTS EITHER MELT (FUSE) TOGETHER OR IN SOME CASES, HAVE TOTALLY VAPORIZED. THE 
- [SDR R7MA0000231](https://openairdocs.org/sdr/R7MA0000231), Mar 17, 1997: ALTIMETER. INOPERABLE. MODE 'C' IS INOPERABLE. TRANSPONDER READS ONLY DASH MARKS INSTEAD OF THE ALTITUDE. (X)
- [SDR R7MA0000232](https://openairdocs.org/sdr/R7MA0000232), Mar 14, 1997: ALTIMETER. INOPERABLE. MODE 'C' IS INOPERABLE. TRANSPONDER READS DASH MARKS INSTEAD OF THE ALTITUDE. (X)
- [SDR 96ZZZX4869](https://openairdocs.org/sdr/96ZZZX4869), Sep 11, 1996: BEARING. FAILED. DURING THE PRE-FLIGHT INSPECTION, THE SEAL OF THE DUPLEX BEARING WAS OBSERVED TO BE DETACHED FROM THE BEARING. DISASSEMBLY SHOWED A TOTAL LOSS OF LUBRICANT AND 
- [SDR 96ZZZX2276](https://openairdocs.org/sdr/96ZZZX2276), Apr 8, 1996: SHAFT ASSY. DAMAGED. DURING THE ENGINE 100-HOUR INSPECTION, DAMAGE TO THE ENGINE TO TRANSMISSION DRIVE SHAFT WAS OBSERVED. THE DAMAGE WAS FULL CIRCUMFERENCE AND WAS CAUSED BY CONTAC
- [SDR 95ZZZX5919](https://openairdocs.org/sdr/95ZZZX5919), Sep 28, 1995: GYRO. LOOSE PARTS. AFTER REMOVING GYRO FROM THE AIRCRAFT, A RATTLING NOISE WAS HEARD INSIDE THE GYRO HOUSING. THE UNIT WAS DISASSEMBLED AND INSPECTED. A SMALL BRASS KNURLED NUT (T
- [SDR 95ZZZX2531](https://openairdocs.org/sdr/95ZZZX2531), Apr 24, 1995: TRANSDUCER. DEFECTIVE. UPON LANDING, PILOT REPORTS TRANSMISSION OIL PRESSURE WAS PEGGED TO THE HIGH SIDE ON APPROACH TO HOSPITAL HELIPAD. REPLACED TRANSDUCER, OPS CHECKED OKAY.
- [SDR 95ZZZX2530](https://openairdocs.org/sdr/95ZZZX2530), Apr 24, 1995: LENS. FAILED. UPON POST-FLIGHT INSPECTION, ALL 4 'LOGO LIGHTS' HAD BROKEN LENS, APPROXIMATELY ONE-HALF OF THE LENS DEPARTED THE AIRCRAFT IN-FLIGHT. REPLACED LENS AND INSPECTE
- [SDR 95ZZZX2529](https://openairdocs.org/sdr/95ZZZX2529), Apr 24, 1995: LENS. FAILED. UPON POST-FLIGHT INSPECTION, ALL 4 'LOGO LIGHTS' HAD BROKEN LENS, APPROXIMATELY ONE-HALF OF THE LENS DEPARTED THE AIRCRAFT IN-FLIGHT. REPLACED LENS AND INSPECTE
- [SDR 95ZZZX2528](https://openairdocs.org/sdr/95ZZZX2528), Apr 18, 1995: TRUNNION. SLEEVE LOOSE. UPON 100-HOUR INSPECTION OF AIRCRAFT, TAIL ROTOR HUB ASSY WAS DISASSEMBLED FOR INSPECTION. UPON REMOVAL OF TRUNNION, THE PRESSED-ON SLEEVE HAD MOVED .1250 INCH 
- [SDR 95ZZZX2144](https://openairdocs.org/sdr/95ZZZX2144), Mar 30, 1995: TRUNNION. DAMAGED. POST-FLIGHT INSPECTION FOUND PLAY IN T/R HUB ASSY. END CAPS OF TRUNNION WERE REMOVED TO SHOW BURNED TEFLON DEBRIS, SOLDER, AND PRO-SEAL, AND ONE SLEEVE PULLED O

All 52: https://openairdocs.org/model/agusta-s-p-a-a109k2/reports.md

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

Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [STC 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

## PMA parts (OpenAirDocs) (332, first 50)

Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this model on its data sheet, so check the FAA record before relying on it. Newest first.

- [RMHA-000066-100](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID197344228320260225193331.0001): MAIN GEARBOX LATERAL ACCEL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000066-60](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID197011558020260225193330.0001): HANGER BEARING 6 ACCEL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000066-340](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID195457154920260225193337.0001): MAIN ROTOR TACH INTL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000068-10](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID190986309920260225193338.0001): A109 TOP DECK HARNESS ASSEMBLY. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000066-30](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID190418022420260225193329.0001): HANGER BEARING 3 ACCEL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000066-110](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID188012663520260225193331.0001): MAIN GEARBOX INPUT 1 ACCEL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000066-80](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID184525511920260225193331.0001): TAIL GEARBOX ACCEL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000066-240](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID183615595220260225193335.0001): HANGER BEARING 4 ACCEL INTL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000066-130](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID180837669720260225193332.0001): MAIN ROTOR SWASHPLATE ACCEL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000066-40](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID177306906820260225193330.0001): HANGER BEARING 4 ACCEL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000066-190](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID176586061020260225193333.0001): TRACKER CABLE. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMED-000080-30](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID173047546120260225193328.0001): KEY FOB. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000066-180](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID170868056120260225193333.0001): ETHERNET CABLE. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000066-10](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID168052667420260225193329.0001): HANGER BEARING 1 ACCEL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000066-290](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID167310171320260225193336.0001): TAIL ROTOR TACH INTL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000066-350](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID166313182720260225193337.0001): ENGINE GEARBOX 1 INTL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000066-90](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID165812479420260225193331.0001): TAIL ROTOR TACH. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMMD-000191-10](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID155890411320260225193339.0001): TAIL ROTOR TACH BRACKET. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000066-360](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID154230935920260225193337.0001): ENGINE GEARBOX 2 INTL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000066-270](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID151230823620260225193335.0001): HANGER BEARING 7 ACCEL INTL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000066-20](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID149142997420260225193329.0001): HANGER BEARING 2 ACCEL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000066-230](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID146279902920260225193334.0001): HANGER BEARING 3 ACCEL INTL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000066-140](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID144427105420260225193332.0001): MAIN ROTOR TACH. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000066-330](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID143101896220260225193337.0001): MAIN ROTOR SWASH-PLATE INTL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000066-160](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID142862781520260225193333.0001): ENGINE GEARBOX 2 ACCEL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMMD-000190-10](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID142147820020260225193339.0001): A109 EPU LITE MOUNTING PLATE. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000066-320](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID136834447320260225193336.0001): MAIN GEARBOX INPUT 2 INTL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMMD-000139-10](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID135816049320260225193339.0001): EPU LITE ASSEMBLY. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000069-10](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID133651706020260225193338.0001): A109 ENGINE HARNESS ASSEMBLY. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000066-310](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID131621611220260225193336.0001): MAIN GEARBOX INPUT 1 INTL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000066-210](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID131378083620260225193334.0001): GROUND. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000066-250](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID131232214920260225193335.0001): HANGER BEARING 5 ACCEL INTL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMMD-000095-01](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID130999253720260225193339.0001): GPS ANTENNA BRACKET. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000066-170](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID128939533720260225193333.0001): COCKPIT VERTICAL ACCEL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000066-300](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID125302145320260225193336.0001): MAIN GEARBOX LATERAL INTL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000066-260](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID121772814720260225193335.0001): HANGER BEARING 6 ACCEL INTL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000070-10](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID115692962120260225193338.0001): A109 TAIL BOOM HARNESS ASSEMBLY. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000066-200](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID114809208520260225193334.0001): POWER. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000066-120](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID114156784520260225193332.0001): MAIN GEARBOX INPUT 2 ACCEL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000066-220](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID112723518220260225193334.0001): GPS CABLE. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000066-50](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID111171853520260225193330.0001): HANGER BEARING 5 ACCEL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000066-70](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID108710723020260225193330.0001): HANGER BEARING 7 ACCEL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000069-20](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID107941014020260225193338.0001): A109 ENGINE HARNESS ASSEMBLY. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000066-150](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID105667664420260225193332.0001): ENGINE GEARBOX 1 ACCEL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMHA-000066-280](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID103008284220260225193335.0001): TAIL GEARBOX ACCEL INTL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [RMMD-000084-01](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID100773681520260225193339.0001): CONNEC-TOR BRACKET SIZE 9-11. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025
- [306001](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID190622584020250624152915.0001): Fuel Filter Assembly. Donaldson Company Inc · PMA PQ2432CE · Replaces 306001 · Jun 2, 2025
- [KD651510](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID140217353820250624152917.0001): Filter Replacement Kit. Donaldson Company Inc · PMA PQ2432CE · Replaces KD651510 · Jun 2, 2025
- [PM-612](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID181482287520251118174437.0001): Radome Mask. PM Research, Inc. · PMA PQ10049NE · Modification part · Nov 20, 2024
- [TAU03323](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID155616212520240221143036.0001): AV/Cabin Heat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Dec 14, 2023

All of them: https://openairdocs.org/model/agusta-s-p-a-a109k2/pma.md

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.