# Agusta AB139

- Type: Aircraft model (FAA registry)
- Registry code: 0260110
- Manufacturer (registry): AGUSTA SPA
- Model: AB139
- Aircraft type: Rotorcraft
- Category: Rotorcraft
- Engines: 1 · Turbo-shaft
- Seats: 15
- Weight class: 12,500 to 19,999 lb
- Certification: Type certificated
- Data sheet: [TCDS R00002RD](https://openairdocs.org/tcds/R00002RD) (OpenAirDocs)
- Holder: Leonardo S.p.a.
- Registered aircraft: 8
- Page: https://openairdocs.org/model/agusta-ab139

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 2026-20-07](https://openairdocs.org/ad/2026-20-07): Engine exhaust system · Leonardo AB139 and AW139. Effective Oct 16, 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 2026-10-03](https://openairdocs.org/ad/2026-10-03): Tail rotor control system · Leonardo AB139, AW139 and AW189. Effective Jun 25, 2026
- [AD 2026-09-05](https://openairdocs.org/ad/2026-09-05): Life Raft · Leonardo AW139 and AB139. Effective Jun 17, 2026
- [AD 2026-04-03](https://openairdocs.org/ad/2026-04-03): Electrical Power System Wiring · Leonardo AB139 and AW139. Effective Apr 2, 2026
- [AD 2026-06-01](https://openairdocs.org/ad/2026-06-01): Placards and Markings · Leonardo AB139 and AW139 with STC SR00049IB. Effective Mar 31, 2026
- [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 2024-26-08](https://openairdocs.org/ad/2024-26-08): Main Landing Gear · Leonardo AW139 and AB139. Effective Jan 17, 2025
- [AD 2024-17-07](https://openairdocs.org/ad/2024-17-07): Tail Rotor System · Leonardo AB139 and AW139. Effective Nov 12, 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 2023-10-05](https://openairdocs.org/ad/2023-10-05): Main Rotor System · Leonardo AB139 and AW139. Effective Jun 7, 2023
- [AD 2023-03-03](https://openairdocs.org/ad/2023-03-03): Tail Rotor System · Leonardo AB139 and AW139. Effective Mar 23, 2023
- [AD 2022-27-03](https://openairdocs.org/ad/2022-27-03): Main Rotor Gearbox · Leonardo AB139 and AW139. Effective Jan 31, 2023
- [AD 2022-22-03](https://openairdocs.org/ad/2022-22-03): Electrical Power System Wiring · Leonardo AB139 and AW139. Effective Nov 17, 2022
- [AD 2022-11-20](https://openairdocs.org/ad/2022-11-20): Fuselage Structure · Leonardo AB139 and AW139. Effective Jul 27, 2022
- [AD 2022-07-01](https://openairdocs.org/ad/2022-07-01): Emergency Equipment, Life Raft · Leonardo AB139 and AW139. Effective May 9, 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 2022-02-12](https://openairdocs.org/ad/2022-02-12): Aircraft Structures, Main Rotor Drive Systems · Leonardo AB139 and AW139. 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 2021-23-22](https://openairdocs.org/ad/2021-23-22): Main Rotor System · Leonardo AB139 and AW139. Effective Jan 18, 2022
- [AD 2021-22-02](https://openairdocs.org/ad/2021-22-02): Electrical Power System · Leonardo AB139 and AW139. Effective Jan 3, 2022
- [AD 2021-21-08](https://openairdocs.org/ad/2021-21-08): Ice/Rain Protection System Wiring, Tail Rotor Blades · Leonardo AB139 and AW139. Effective Dec 10, 2021
- [AD 2021-20-12](https://openairdocs.org/ad/2021-20-12): Emergency Flotation Section · Leonardo AB139, AB412, AB412 EP and 1 more. Effective Nov 22, 2021
- [AD 2021-20-10](https://openairdocs.org/ad/2021-20-10): Main Rotor Gearbox · Leonardo AB139 and AW139. 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 2021-22-13](https://openairdocs.org/ad/2021-22-13): Cargo Compartments · Leonardo AB139 and AW139. Effective Nov 17, 2021
- [AD 2021-19-03](https://openairdocs.org/ad/2021-19-03): Auto Flight System · Leonardo AB139 and AW139. Effective Nov 1, 2021
- [AD 2021-18-11](https://openairdocs.org/ad/2021-18-11): Tail Rotor System · Leonardo AB139 and AW139. Effective Nov 1, 2021
- [AD 2021-17-15](https://openairdocs.org/ad/2021-17-15): Main Rotor Blades · Leonardo AB139 and AW139. Effective Oct 13, 2021
- [AD 2021-15-09](https://openairdocs.org/ad/2021-15-09): Emergency Flotation Section · Leonardo AB139 and AW139. Effective Aug 27, 2021
- [AD 2021-14-18](https://openairdocs.org/ad/2021-14-18): Tail Rotor Blades · Leonardo AB139 and AW139. Effective Aug 24, 2021
- [AD 2021-13-01](https://openairdocs.org/ad/2021-13-01): Main Rotor System · Leonardo AB139, AW139 and AW189. Effective Aug 3, 2021
- [AD 2021-13-21](https://openairdocs.org/ad/2021-13-21): Main Rotor Mast/Swashplate · Leonardo AB139, AW139 and AW189. Effective Jul 12, 2021
- [AD 2021-12-10](https://openairdocs.org/ad/2021-12-10): Placards and Markings · Leonardo AB139 and AW139. Effective Jun 22, 2021
- [AD 2021-05-21](https://openairdocs.org/ad/2021-05-21): Main Rotor System · Leonardo AB139 and AW139. Effective May 7, 2021
- [AD 2021-03-07](https://openairdocs.org/ad/2021-03-07): Engine Mount Section · Leonardo AB139 and AW139. Effective Apr 1, 2021
- [AD 2021-04-01](https://openairdocs.org/ad/2021-04-01): Cabin Equipment/Furnishings · Leonardo AB139 and AW139. Effective Mar 26, 2021
- [AD 2020-19-04](https://openairdocs.org/ad/2020-19-04): Rotor Drive-Gearbox · Leonardo AB139 and AW139. Effective Oct 15, 2020
- [AD 2020-15-18](https://openairdocs.org/ad/2020-15-18): Emergency Flotation Section · Leonardo AB139, AW139, AW169 and 1 more. Effective Sep 3, 2020
- [AD 2019-12-15](https://openairdocs.org/ad/2019-12-15): Landing Gear System · Leonardo AB139 and AW139. Effective Aug 2, 2019
- [AD 2019-05-03](https://openairdocs.org/ad/2019-05-03): Tail Rotor System · Leonardo AB139, AW139, AW169 and 1 more. Effective Mar 28, 2019
- [AD 2018-04-11](https://openairdocs.org/ad/2018-04-11): Tail Rotor Control System · Agusta AB139 and AW139. Effective Apr 5, 2018
- [AD 2018-03-01](https://openairdocs.org/ad/2018-03-01): Main Rotor Blades · Agusta AB139 and AW139. Effective Feb 14, 2018
- [AD 2016-26-01](https://openairdocs.org/ad/2016-26-01): Hydraulic Power · Agusta AB139 and AW139. Effective Jan 31, 2017
- [AD 2016-01-15](https://openairdocs.org/ad/2016-01-15): Fuselage Structure (General) · Agusta AB139 and AW139. Effective Feb 25, 2016
- [AD 2016-01-06](https://openairdocs.org/ad/2016-01-06): Propeller/Rotor Anti-ice/De-Ice System · Agusta AB139 and AW139. Effective Jan 28, 2016
- [AD 2015-02-21](https://openairdocs.org/ad/2015-02-21): Hydraulic System, Main · Agusta AB139 and AW139. Effective Mar 17, 2015
- [AD 2008-14-02 R1](https://openairdocs.org/ad/2008-14-02-R1): Fuselage, Main Frame · Agusta AB139 and AW139. Effective Jan 16, 2015
- [AD 2014-03-01](https://openairdocs.org/ad/2014-03-01): Fuselage Miscellaneous Structure · Agusta AB139 and AW139. Effective Apr 7, 2014
- [AD 2013-25-09](https://openairdocs.org/ad/2013-25-09): Nose Landing Gear Attach Section · Agusta AB139 and AW139. Effective Jan 28, 2014

Historical (superseded or no longer in force):

- [AD 2023-07-51](https://openairdocs.org/ad/2023-07-51) (historical): Main Rotor System · Leonardo AB139 and AW139
- [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 2020-23-07](https://openairdocs.org/ad/2020-23-07) (historical): Emergency Equipment, Life Raft · Leonardo AB139 and AW139. Effective Dec 4, 2020
- [AD 2017-23-08](https://openairdocs.org/ad/2017-23-08) (historical): M/R System · Agusta AB139 and AW139. Effective Dec 11, 2017
- [AD 2014-24-02](https://openairdocs.org/ad/2014-24-02) (historical): M/R System · Agusta AB139 and AW139. Effective Dec 15, 2014
- [AD 2014-07-51](https://openairdocs.org/ad/2014-07-51) (historical): M/R System · Agusta AB139 and AW139. Effective Aug 20, 2014
- [AD 2011-18-52](https://openairdocs.org/ad/2011-18-52) (historical): Tail Rotor Blade · Agusta AB139 and AW139. Effective May 3, 2012
- [AD 2009-19-51](https://openairdocs.org/ad/2009-19-51) (historical): Tailboom · Agusta AB139 and AW139. Effective Feb 8, 2010
- [AD 2008-14-02](https://openairdocs.org/ad/2008-14-02) (historical): Fuselage frame · Agusta AB139 and AW139. Effective Aug 14, 2008
- [AD 2006-17-51](https://openairdocs.org/ad/2006-17-51) (historical): Tailpipe assembly · Agusta AB139. Effective Sep 18, 2006

All 69: https://openairdocs.org/model/agusta-ab139/ads.md

## Registered aircraft (8)

- [N139FW](https://openairdocs.org/aircraft/N139FW): [Chevron USA Inc](https://openairdocs.org/faa-owner/CHEVRON%20USA%20INC), [Picayune, MS](https://openairdocs.org/faa-place/MS/Picayune), built 2005, S/N 31022
- [N139HF](https://openairdocs.org/aircraft/N139HF): [Tvpx Aircraft Solutions Inc Trustee](https://openairdocs.org/faa-owner/TVPX%20AIRCRAFT%20SOLUTIONS%20INC%20TRUSTEE), [North Salt Lake, UT](https://openairdocs.org/faa-place/UT/North%20Salt%20Lake), built 2005, S/N 31021
- [N139HS](https://openairdocs.org/aircraft/N139HS): [Aircraft Trustee Services Inc Trustee](https://openairdocs.org/faa-owner/AIRCRAFT%20TRUSTEE%20SERVICES%20INC%20TRUSTEE), [Dover, DE](https://openairdocs.org/faa-place/DE/Dover), built 2005, S/N 31016
- [N140EV](https://openairdocs.org/aircraft/N140EV): [Superior Aviation Solutions LLC](https://openairdocs.org/faa-owner/SUPERIOR%20AVIATION%20SOLUTIONS%20LLC), [Mooresville, NC](https://openairdocs.org/faa-place/NC/Mooresville), built 2005, S/N 31025
- [N346MR](https://openairdocs.org/aircraft/N346MR): [Tvpx Aircraft Solutions Inc Trustee](https://openairdocs.org/faa-owner/TVPX%20AIRCRAFT%20SOLUTIONS%20INC%20TRUSTEE), [North Salt Lake, UT](https://openairdocs.org/faa-place/UT/North%20Salt%20Lake), S/N 31046
- [N455LH](https://openairdocs.org/aircraft/N455LH): [Leonardo Helicopters US Corp](https://openairdocs.org/faa-owner/LEONARDO%20HELICOPTERS%20US%20CORP), [Philadelphia, PA](https://openairdocs.org/faa-place/PA/Philadelphia), S/N 31051
- [N697RS](https://openairdocs.org/aircraft/N697RS): [Leonardo Helicopters US Corp](https://openairdocs.org/faa-owner/LEONARDO%20HELICOPTERS%20US%20CORP), [Philadelphia, PA](https://openairdocs.org/faa-place/PA/Philadelphia), S/N 31035
- [N813DG](https://openairdocs.org/aircraft/N813DG): [Bristow LLC](https://openairdocs.org/faa-owner/BRISTOW%20LLC), [Lake Charles, LA](https://openairdocs.org/faa-place/LA/Lake%20Charles), built 2006, S/N 31032

## NTSB investigations

None matched to aircraft with this model.

## FAA accident and incident reports (2)

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 20111111027319I](https://openairdocs.org/incident/20111111027319I), Nov 11, 2011: Agusta Spa AB139 (N139FW), Leeville, LA, Minor damage. Pilot preflighted aircraft for a flight to GC640. Upon landing at GC640 it was discovered that the #2 engine cowling had come loose striking the main rotor…
- [Incident 20090515025599I](https://openairdocs.org/incident/20090515025599I), May 15, 2009: Agusta Spa AB139 (N813DG), Deadhorse, AK, Minor damage. Crew failed to ensure that the cargo door was properly latched. The door was closed and after reaching cruising speed the door began sliding open and departed…

## Service difficulty reports (87, newest 50)

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

- [SDR KY1R202312220001](https://openairdocs.org/sdr/KY1R202312220001), Dec 22, 2023: STUD. FRACTURED. DURING AIRCRAFT RUN, AND RELEASE OF PARKING BRAKE, PILOT'S RIGHT YAW PEDAL STUD BROKEWHICH AFFIXES THE BRAKE CYLINDER TO THE PEDAL ASSEMBLY, WHICH LED TO THE IN
- [SDR AC2A2023050213901](https://openairdocs.org/sdr/AC2A2023050213901), May 1, 2023: BOOT. TORN. THE NEW DESIGN SWASHPLATE BOOT P/N 3G6230L01851 SEPARATED AND TORE AFTER 13.3 HOURS OPERATING TIME. BOOT WAS REMOVED AND SPLIT BOOT P/N 3G6230A06231 WAS INSTALL
- [SDR AC2A2021101513902](https://openairdocs.org/sdr/AC2A2021101513902), Oct 15, 2021: COOLING FAN. CONTAMINATED. MAIN GEARBOX OIL COOLER FAN WAS REMOVED AND REPLACED DUE TO MGB FAN QUILL SEAL LEAKING ALLOWING OIL TO MIGRATE TO FAN BEARINGS. SEE SDR AC2A2021101513901 FOR SD
- [SDR AC2A2021101513901](https://openairdocs.org/sdr/AC2A2021101513901), Oct 15, 2021: SEAL. LEAKING. MAIN GEARBOX OIL COOLER FAN DRIVE SEAL LEAKING
- [SDR AC2A2021051713902](https://openairdocs.org/sdr/AC2A2021051713902), May 15, 2021: CLAMP. WORN. CLAMPED ADAPTER P/N 3G6320A16551, S/N DAT197 AND ADAPTER CLAMPS P/N 3G6320A16651, S/N AVI 0406 WERE REMOVED FROM MGB 3G6320A00134, S/N V44 IN PREPARATION FOR SH
- [SDR AC2A2021051713901](https://openairdocs.org/sdr/AC2A2021051713901), May 15, 2021: ADAPTER. WORN. CLAMPED ADAPTER P/N 3G6320A16551, S/N DAT197 AND ADAPTER CLAMPS P/N 3G6320A16661, S/N AVI 0406 WERE REMOVED FROM MGB 3G6320A001434, S/N V44 IN PREPARATION FOR S
- [SDR AC2A2021061013901](https://openairdocs.org/sdr/AC2A2021061013901), Apr 24, 2021: COOLING FAN. LEAKING. OIL COOLER FAN WAS REMOVED AND REPLACED DUE TO MGB FAN QUILL SEAL LEAKING ALLOWING OIL TO MIGRATE TO FAN BEARINGS. TEARDOWN REPORT INDICATES BEARINGS WORN AND R
- [SDR AC2A2021033113901](https://openairdocs.org/sdr/AC2A2021033113901), Mar 28, 2021: BLADE. DEBONDED. MAIN ROTOR BLADE TIP CAP ATTACHMENT BOND LINE SEPARATION.
- [SDR AC2A2021061013903](https://openairdocs.org/sdr/AC2A2021061013903), Oct 11, 2020: COOLING FAN. LEAKING. OIL COOLER FAN WAS REMOVED AND REPLACED DUE TO MGB FAN QUILL SEAL LEAKING ALLOWING OIL TO MIGRATE TO FAN BEARINGS. TEARDOWN REPORT INDICATES BEARINGS WORN AND R
- [SDR AC2A2020091813901](https://openairdocs.org/sdr/AC2A2020091813901), Sep 7, 2020: BOOT. TORN. MAIN ROTOR UPPER SWASHPLATE BOOT TORN, METAL RINGS LOOSE, NO ACCEPT/REJECT CRITERIA PROVIDED BY MANUFACTURER, NO DETAILED INSPECTION CRITERIA AVAILABLE.
- [SDR AC2A2020081013902](https://openairdocs.org/sdr/AC2A2020081013902), Aug 8, 2020: CHECK VALVE. SEPARATED. HEATER WILL NOT BLOW HOT AIR, DURING TROUBLESHOOTING FOUND HIGHT PRESSURE CHECK VALVE FLAPPER HALVES BEING SEPARATED FROM CHECK VALVE BODY ON ONE SIDE.
- [SDR AC2A2020081013901](https://openairdocs.org/sdr/AC2A2020081013901), Aug 8, 2020: CHECK VALVE. SEPARATED. HEATER WILL NOT BLOW HOT AIR; DURING TROUBLESHOOTING FOUND HEATER TEMPERATURE CONTROL VALVE (P/N 3G2140V00751) TO BE DAMAGED FROM HIGHT PRESSURE CHECK VALVE (P/
- [SDR AC2A2021061013902](https://openairdocs.org/sdr/AC2A2021061013902), Jul 3, 2020: COOLING FAN. LEAKING. OIL COOLER FAN WAS REMOVED AND REPLACED DUE TO MGB FAN QUILL SEAL LEAKING ALLOWING OIL TO MIGRATE TO FAN BEARINGS. TEARDOWN REPORT INDICATES BEARINGS WORN AND R
- [SDR AC2A2020033001](https://openairdocs.org/sdr/AC2A2020033001), Mar 27, 2020: FUEL CONTROL. MALFUNCTIONED. WHEN ADVANCING #1 ENGINE FROM IDLE TO FLIGHT POSITION, #1 ENGINE BEGAN TO "RUN AWAY" AND THE AIRCRAFT SPUN APPROXIMATELY 25-30 DEGREES ON THE PAD AND STARTED TO
- [SDR AC2A2020012483901](https://openairdocs.org/sdr/AC2A2020012483901), Jan 18, 2020: RING. UNSTAKED. DURING DAILY INSPECTION, NOTICED RIGHT SIDE MAIN GEARBOX CHIP DETECTOR NOT FULLY ENGAGED. UPON INVESTIGATION, FOUND RETENTION RING FOR CHIP DETECTOR HAD BECOME 
- [SDR AC2R2018022001](https://openairdocs.org/sdr/AC2R2018022001), Feb 18, 2018: BOLT. BROKEN. HEAD OF BOLT BROKE OFF.
- [SDR AC2R2017071901](https://openairdocs.org/sdr/AC2R2017071901), Jul 19, 2017: WIRE HARNESS. CHAFED. THE MECHANICS HAD THE POWER ON THE AIRCRAFT AND NOTICED SPARKS IN THE OVERHEAD AREA ABOVE CIRCUIT BREAKER PANEL, WHEN THEY MOVED THE ROTOR BRAKE HANDLE FORWARD.
- [SDR AC2R2018041901](https://openairdocs.org/sdr/AC2R2018041901), Feb 20, 2017: BEARING. ROUGH. OIL COOLER HAD EXCESSIVE VIBRATION. BEARING ROUGH.
- [SDR AC2R2016070701](https://openairdocs.org/sdr/AC2R2016070701), Jul 3, 2016: RING. DAMAGED. DURING REMOVAL OF THE MAIN ROTOR HEAD ASSY, FIVE PRESSURE BOLTS WERE NOTED OF HAVING A LOSS OF TORQUE PRIOR TO REMOVAL. AFTER REMOVAL OF THE MAIN ROTOR HEAD ASS
- [SDR PN1R06032016001](https://openairdocs.org/sdr/PN1R06032016001), May 26, 2016: NUT. DEFECTIVE. M/R HEAD WAS REMOVED TO INSTALL A NEW SWASHPLATE BOOT, DURING REMOVAL FOUND 3 EA. RING NUT BOLTS EXTREMELY TIGHT AND 1 OF THOSE HAD SEIZED. PROCURED NEW RING NU
- [SDR AC2R2016051701](https://openairdocs.org/sdr/AC2R2016051701), May 17, 2016: FIREWALL. CRACKED. THE NR 2 ENGINE FIREWALL HAS A 45MM CRACK AT BS 5700, WL 2670 AND BUTT LINE 780. WE ARE REQUESTING OPTIONS FOR AN REPAIR OF THE CRACKED AREA. THE NR 1 ENGINE FI
- [SDR CA151002010](https://openairdocs.org/sdr/CA151002010), Sep 29, 2015: SUPPORT BRACKET. CRACKED. (CAN) DURING A 50 HR INSPECTION, A CRACK WAS FOUND ON THE LT STABILIZER SUPPORT BRACKET, DEFECTIVE PART WAS REMOVED AND UPGRADED PART, PN 3G5351A01433 WAS INSTA
- [SDR CA140926003](https://openairdocs.org/sdr/CA140926003), Sep 23, 2014: G SWITCH. MALFUNCTIONED. (CAN) ACFT HAD GROUND POWERED APPLIED TO IT IN THE HANGAR AND POWER WAS REMOVED AT APPROXIMATELY 16:30. AT AROUND 17:30, SEARCH AND RESCUE COORDINATION CENTER C
- [SDR CA140203004](https://openairdocs.org/sdr/CA140203004), Jan 17, 2014: SEAL. LEAKING. (CAN) DURING FLIGHT, THE CREW OBSERVED RT ENGINE OIL PRESSURE INDICATOR DECREASE. THE ENGINE WAS IMMEDIATELY SHUTDOWN. CAPTAIN OBSERVED AN OIL LEAKAGE THROUGH F
- [SDR CA130508012](https://openairdocs.org/sdr/CA130508012), May 8, 2013: SEAL. LEAKING. (CAN) DURING THE REPLACEMENT OF THE IGB, INTERMEDIATE GEARBOX, SEAL, DUE TO LEAKAGE, THE LIP SPRING WAS FOUND ON THE INPUT SHAFT, INSIDE THE IGB, INSTEAD OF SIT
- [SDR CA120524004](https://openairdocs.org/sdr/CA120524004), May 11, 2012: ENGINE. OVERTEMP. (CAN) DURING FLIGHT, THE ENGINE TEMPERATURE CLIMBED ABOVE 1000C. THE PILOT SHUT THE ENGINE DOWN AND LANDED SAFELY, SINGLE ENGINE. THE ENGINE WAS REPLACED AND TH
- [SDR 2011F00088](https://openairdocs.org/sdr/2011F00088), Apr 14, 2011: ATTACH FITTING. CRACKED. DURING A 300/600 INSP, A FLIGHT CONTROL BRACKET (PN 3G5351A01432) LEFT FITTING WAS FOUND CRACKED FROM THE BOLT HOLE OTBD.
- [SDR AC2A033120119CW](https://openairdocs.org/sdr/AC2A033120119CW), Mar 31, 2011: HYDRAULIC SYSTEM. MALFUNCTIONED. BEFORE LANDING CHECKLIST, TO LAND AND WHEN THE LANDING GEAR HANDLE WENT DOWN, GOT A NR2 SERVO, NR 2 HYD MIN, AND HYD UTIL PRESS CAUTION LIGHTS. THEN WENT TO THE
- [SDR AC2R9JP02222011](https://openairdocs.org/sdr/AC2R9JP02222011), Feb 20, 2011: FITTING. CRACKED. DURING ROUTINE 50 HR INSP, FOUND THE SUPPORT FITTING WHERE THE INTERMEDIATE GEARBOX ATTACHES TO THE TAILBOOM WAS CRACKED. REMAINING ACFT IN OUR FLEET WERE INSPE
- [SDR AC2R12062010001](https://openairdocs.org/sdr/AC2R12062010001), Dec 6, 2010: ANGLE. CRACKED. (AC2R) CRACKED FORE AND AFT ANGLE, PN 3P5333A19561, RT SIDE FUEL DRY BAY AREA.
- [SDR 2010FA0000766](https://openairdocs.org/sdr/2010FA0000766), Jul 26, 2010: PUMP. LEAKING. AFTER TAKEOFF, AFTER SELECTION OF LANDING GEAR UP, CAS DISPLAYED HYD UTIL PRESS AND MAIN GEAR POSITION INDICATION TURNED TO AMBER. IAW RFM MALFUNCTION PROCEDURE
- [SDR AC2A2009092783295](https://openairdocs.org/sdr/AC2A2009092783295), Sep 27, 2009: PRESSURE SWITCH. FAILED. NR 1 SERVO CAS ILLUMINATED IN FLIGHT. COMPLIED WITH HYD SERVO MALFUNCTION EMERGENCY PROCEDURES AND RETURNED TO BASE. REPLACED 31 HYD SERVO SWITCH.
- [SDR AC2A2009092283308](https://openairdocs.org/sdr/AC2A2009092283308), Sep 22, 2009: SWITCH. DEFECTIVE. IN CRUISE FLIGHT, NR 1 SERVO CAUTION LIGHT CAME ON. CHECKED HYD SCHEMATIC PAGE WHICH SHOWED ALL NT 1 SYS SERVOS IN YELLOW, REFERENCED EMERGENCY PROCEDURES CHECK
- [SDR AC2A2009081482852](https://openairdocs.org/sdr/AC2A2009081482852), Aug 14, 2009: PRESSURE SWITCH. MALFUNCTIONED. TURNING DOWNWIND AFTER TAKEOFF, NR 2 SERVO LIGHT ILLUMINATED. FOLLOWED ESTABLISHED EMERGENCY PROCEDURE. PRESSURE SWITCH MALFUNCTIONED.
- [SDR ULXR2009070282295](https://openairdocs.org/sdr/ULXR2009070282295), Jul 2, 2009: SKIN. DEFORMED. TAIL ASSY LT AND RT SIDES , SKIN DEFORMATION BETWEEN STA 8700.1 TO 9436.1 AND BETWEEN WL 2176.8 TO 2060.8. SKIN IS BUBBLING TBD BETWEEN THE 2 HONEYCOMB AREAS OF
- [SDR ULXR2009070282294](https://openairdocs.org/sdr/ULXR2009070282294), Jul 2, 2009: SKIN. DEFORMED. TAIL ASSY LT AND RT SIDES , SKIN DEFORMATION BETWEEN STA 8700.1 TO 9436.1 AND BETWEEN WL 2176.8 TO 2060.8. SKIN IS BUBBLING OTBD BETWEEN THE 2 HONEYCOMB AREAS O
- [SDR AC2A2009062382120](https://openairdocs.org/sdr/AC2A2009062382120), Jun 23, 2009: PRESSURE SWITCH. MALFUNCTIONED. NR 2 SERVO CAS ILLUMINATED IN FLIGHT. EMERGENCY CHECK LIST USED. LANDING GEAR WAS LOWERED NORMALLY IAW THE CHECKLIST AND ACFT LANDED UNEVENTFULLY AS SOON AS PRA
- [SDR AC2A2009062282113](https://openairdocs.org/sdr/AC2A2009062282113), Jun 22, 2009: WARNING LIGHT. ILLUMINATED. NR 2 SERVO CAS ILLUMINATED IN FLIGHT. EMERGENCY CHECK LIST USED. LANDING GEAR WAS LOWERED NORMALLY IAW THE CHECKLIST AND ACFT LANDED UNEVENTFULLY AS SOON AS PRA
- [SDR ULXR2009061882082](https://openairdocs.org/sdr/ULXR2009061882082), Jun 18, 2009: PROBE. INOPERATIVE. FUEL QUANTITY READS ZERO. NO SIGNAL FROM PROBE. REPLACEMENT PROBE FIXED DISCREPANCY.
- [SDR ULXR2009042481807](https://openairdocs.org/sdr/ULXR2009042481807), Apr 24, 2009: BEARING. WORN. LAG DAMPER ROD END BEARING HAS PLAY .017.
- [SDR ULXR2009040881808](https://openairdocs.org/sdr/ULXR2009040881808), Apr 8, 2009: WARNING SYSTEM. INOPERATIVE. RT MAIN GEAR GREEN DOWN ARROW SEGMENT WILL NOT ILLUMINATE. REPLACED CONTROL UNIT.
- [SDR U0GA2009030780996](https://openairdocs.org/sdr/U0GA2009030780996), Mar 7, 2009: OIL SYSTEM. LEAKING. DURING THE INITIAL DESCENT FROM 4500 FT, CRUISING ALTITUDE, ACFT SUFFERED A PRESSURE LOSS TO NR 1 ENGINE OIL SUPPLY, APPROX 8 MINUTES FROM LANDING. OIL PRESSURE
- [SDR U0G2009F00000](https://openairdocs.org/sdr/U0G2009F00000), Mar 7, 2009: SEAL. FAILED. DURING THE INITIAL DESCENT FROM 4500 FT CRUISING ALTITUDE, ACFT SUFFERED A PRESSURE LOSS TO THE OIL SUPPLY IN ENGINE NR 1. WE WERE APPROX EIGHT MINUTES FROM LAN
- [SDR AC2A2008093078342](https://openairdocs.org/sdr/AC2A2008093078342), Sep 30, 2008: ROD END. BROKEN. DURING TRANSITION FROM CLIMB TO CRUISE FLIGHT THE ACFT DEVELOPED A SEVERE VIBRATION. FOUND TAIL ROTOR DAMPER ROD END BROKEN. REPLACED TAIL ROTOR BLADE AND DAMPE
- [SDR U0GA2008092378215](https://openairdocs.org/sdr/U0GA2008092378215), Sep 23, 2008: FIRE WARNING. ILLUMINATED. IN LEVEL FLIGHT WHILE CONDUCTING A PT91 FERRY FLIGHT A NR 1 ENGINE FIRE CAS MESSAGE AND AURAL WARNING OCCURED WITHIN 30 SECONDS THE NR 2 ENGINE FIRE CAS MESSAGE
- [SDR U0GA120982](https://openairdocs.org/sdr/U0GA120982), Sep 23, 2008: FIRE WARNING. ACTIVATED. IN LEVEL FLIGHT, WHILE CONDUCTING A PT91 FERRY FLIGHT, A NR1 ENGINE FIRE CAS MESSAGE AND AURAL WARNING OCCURRED WITHIN 30 SECONDS. THE NR 2 ENGINE FIRE CAS MESS
- [SDR AC2A2008081677771](https://openairdocs.org/sdr/AC2A2008081677771), Aug 16, 2008: BOLT. SCORED. BOLTS ARE SCORED.
- [SDR U0GA2008080877721](https://openairdocs.org/sdr/U0GA2008080877721), Aug 8, 2008: WARNING MESSAGE. MULTIPLE IND. MULTIPLE CAS MESSAGES TO INCLUDE ENG FIRE, BAG FIRE, EEC FAI AND NUMEROUS OTHERS. CAPTAINS A/S, VSI AND ALTIMETER AND NR2 PI INDICATION FAILED
- [SDR AC2A119534](https://openairdocs.org/sdr/AC2A119534), Apr 17, 2008: FIRESEAL. TORN. FIRESEAL, TORN AND DETERIORATED.
- [SDR AC2A119533](https://openairdocs.org/sdr/AC2A119533), Apr 17, 2008: BOLT. BROKEN. BOLT BROKEN.

All 87: https://openairdocs.org/model/agusta-ab139/reports.md

## STCs that may be installed (OpenAirDocs) (53, 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 SR04481AT](https://openairdocs.org/stc/SR04481AT): Installation of LED steerable searchlight/landing light assembly in replacement to the legacy steerable searchlight/landing light assembly. Sterling Helicopter
- [STC SR03024NY](https://openairdocs.org/stc/SR03024NY): Installation of Aerolite GmbH Emergency Medical System (EMS) Equipment P/N 139250-501. Aerolite AG
- [STC SR00228IB](https://openairdocs.org/stc/SR00228IB): Installation of Actuator Assembly Replacement Kit P/N 318783a for Floats Inflation System. AERO SEKUR S.P.A
- [STC SR02473AK](https://openairdocs.org/stc/SR02473AK): Installation of the L-3 Communications NGT-9000R/RD and NGT-9000/D ADS-B IN/OUT system. StandardAero Atlantic USA Inc
- [STC SR00179IB](https://openairdocs.org/stc/SR00179IB): Installation of SKYTRAC SDL-350 Flight Following/SATCOM System. SKYTRAC Systems Ltd
- [STC SR00162IB](https://openairdocs.org/stc/SR00162IB): Installation of SKYTRAC SDL-350 Flight Following/SATCOM System (Provisions Only). SKYTRAC Systems Ltd
- [STC SR09482RC](https://openairdocs.org/stc/SR09482RC): Installation of Special Mission Equipment. L3Harris Technologies Integrated Systems L.P
- [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 SR00384BO](https://openairdocs.org/stc/SR00384BO): Installation of a Satcom and Flight Data Monitoring System KIT 139-SAT-100. Outerlink Corporation
- [STC SR00049IB](https://openairdocs.org/stc/SR00049IB): Installation of VIP 87 Interiors P/N 6AB1AD008-001. Mecaer Aviation Group S.p.A
- [STC SR04472CH](https://openairdocs.org/stc/SR04472CH): Installation of a Honeywell RDR-7000 Weather Radar System. Honeywell International Inc
- [STC SR01949LA](https://openairdocs.org/stc/SR01949LA): Installation of Apical Industries, Inc. Liferaft Kit. Dart Aerospace ULC
- [STC SR04207NY](https://openairdocs.org/stc/SR04207NY): Installation of Rosen R2181000 Sunvisor Assembly. Mecaer Aviation Group Inc
- [STC SR04589NY](https://openairdocs.org/stc/SR04589NY): Installation of Recognition Lights, Configurations #1 thru #4. Aviation Completion Innovations Inc
- [STC SR03007NY](https://openairdocs.org/stc/SR03007NY): Installation of two Class 2 Electronic Flight Bag (EFB) mounting device arm-mounted. Aviation Completion Innovations Inc
- [STC SR02120NY-D](https://openairdocs.org/stc/SR02120NY-D): Installation of a Honeywell Chadwick Model 15175 VXP System. Diagnostic Solution International LLC
- [STC SR09911AC](https://openairdocs.org/stc/SR09911AC): Installation of alternate hoist cable. Breeze Eastern LLC
- [STC SR09628RC](https://openairdocs.org/stc/SR09628RC): Installation of Sky Connect Phone and Tracker System. Honeywell International Inc
- [STC SR02614NY-D](https://openairdocs.org/stc/SR02614NY-D): Installation of the Medical Litter System. LifePort LLC
- [STC SR04384NY](https://openairdocs.org/stc/SR04384NY): Installation of P/N 139084-501 for 3 stretcher kit with relevant cabin floor rails and featuring each, dedicated oxygen and electrical distribution systems and oxygen bottles stowage provisions. Aerolite Max Bucher AG
- [STC SR02054LA](https://openairdocs.org/stc/SR02054LA): Installation of an Emergency Medical System. LifePort LLC
- [STC SR02136LA](https://openairdocs.org/stc/SR02136LA): Installation of a Supplement Oxygen System. LifePort LLC
- [STC SR02145LA](https://openairdocs.org/stc/SR02145LA): Installation of a Medical Litter System. LifePort LLC
- [STC SR03060NY](https://openairdocs.org/stc/SR03060NY): Installation of Engine Wash Kit. Aviation Completion Innovations Inc
- [STC SR02325NY](https://openairdocs.org/stc/SR02325NY): Installation of Cabin Interior Sound Reduction Wall Panels System. Aviation Completion Innovations Inc
- [STC SR02326NY](https://openairdocs.org/stc/SR02326NY): Installation of Cabin Door Step System. Aviation Completion Innovations Inc
- [STC SR02751NY](https://openairdocs.org/stc/SR02751NY): Installation of a Max-Viz, Inc. Enhanced Vision System (EVS) Model 1500. Aviation Completion Innovations Inc
- [STC SR02753NY](https://openairdocs.org/stc/SR02753NY): Installation of a Sagem Avionics, Inc; ICDS-10 Multi Functions Display. Aviation Completion Innovations Inc
- [STC SR03476NY](https://openairdocs.org/stc/SR03476NY): The installation of electrically operated cabin window shades. Aviation Completion Innovations Inc
- [STC SR04264NY](https://openairdocs.org/stc/SR04264NY): Installation of Garmin GDL84H ADS-B System. Maxcraft Avionics Ltd
- [STC SR00826DE](https://openairdocs.org/stc/SR00826DE): Installation of Honeywell Sky Connect Tracker III system. Cert Works LLC
- [STC SR02104SE](https://openairdocs.org/stc/SR02104SE): Installation of a Supplemental Lighting System; manufactured and installed in accordance with Aviation Specialties Unlimited (ASU) Master Drawing List MDL-139004-3, Rev. A, dated February 1, 2011, or later FAA-approved revisions and maintained in a accordance with ASU Instructions for Continued Airworthiness ICA-139004-4, Rev IR, dated July 7, 2010, or later FAA-accepted revisions. Aviation Specialties Unlimited Inc
- [STC SR02772CH](https://openairdocs.org/stc/SR02772CH): Installation of an Inlet Barrier Filter (IBF) System in accordance with Aerospace Filtration Systems, Inc. Installation-IBF System Drawing No. 122000-010, Revision B, dated September 28, 2009, or later FAA Approved revision. Donaldson Company Inc
- [STC SR03083NY](https://openairdocs.org/stc/SR03083NY): The installation of the Light Lateral Stretcher EMS Kit. Aerolite GMBH
- [STC SR02792NY](https://openairdocs.org/stc/SR02792NY): Installation of New Liners VIP Silens P/N 6AB1AD010-001. Mecaer Aviation Group S.p.A
- [STC SR03709NY](https://openairdocs.org/stc/SR03709NY): Installation of EMS Provisions Kit P/N 139125-501 and P/N 139125-502 for incorporation of Passenger seat configurations P/N 139117-505, 139117-506 and 139117-507 of 12, 14 and 15 Passenger seats. Aerolite Max Bucher AG
- [STC SR03564NY](https://openairdocs.org/stc/SR03564NY): Installation of the Flight Data Acquisition Storage and Transmission System (FAST). Amtech Aeronautical Limited
- [STC SR03548NY](https://openairdocs.org/stc/SR03548NY): Installation of Cabin Interiors, Configuration VIP 29 Interiors, 10 seats, P/N 6AB1 KT004-001. Mecaer Aviation Group S.p.A
- [STC ST03502NY](https://openairdocs.org/stc/ST03502NY): Installation of Air Ambulance Equipment, Mission Equipment "Quick - Conversion", Part Number AW139-25-20-37.000-60x model. Air Ambulance Technology GmbH
- [STC SR02418NY-D](https://openairdocs.org/stc/SR02418NY-D): Installation of a Universal Cockpit Display (UCD) System. Sikorsky Aircraft Corporation
- [STC SR02419NY-D](https://openairdocs.org/stc/SR02419NY-D): Installation of Corporate Interior. Sikorsky Aircraft Corporation
- [STC SR02379LA](https://openairdocs.org/stc/SR02379LA): Installation of Apical Industries, Inc. Cable Cutters Kit. Apical Industries, Inc. dba Dart Aerospace
- [STC SR02108LA](https://openairdocs.org/stc/SR02108LA): Installation of Apical Industries, Inc. Nose Landing Gear Doors Kit. Apical Industries, Inc. dba Dart Aerospace
- [STC ST02749NY](https://openairdocs.org/stc/ST02749NY): Installation of Forward Bulkhead P/N 6AB1AD005-001. Mecaer Aviation Group S.p.A
- [STC SR03072NY](https://openairdocs.org/stc/SR03072NY): Replacement of a NiCAD battery with a Concord Lead-Acid Battery. Concorde Battery Corporation
- [STC SR03288CH](https://openairdocs.org/stc/SR03288CH): Installation of starter-generator, Goodrich P/N 23078-029 and Quick-Attach-Detach (QAD) kit P/N 23078-500. Safran Power USA LLC
- [STC SR02948NY](https://openairdocs.org/stc/SR02948NY): The installation of a SkyTrac ISAT-100/ISAT-200 Position Data Communicator. SkyTrac Systems Ltd
- [STC SR03251NY](https://openairdocs.org/stc/SR03251NY): Installation of Utility Interior Kits. Dart Aerospace Limited
- [STC SR03212NY](https://openairdocs.org/stc/SR03212NY): Installation of VIP 37 Plus Interiors P/N 6AB1AD012-001, 7 and 9 seats configurations. M.A.G. MECAER Aviation Group S.P.A
- [STC SR03154NY](https://openairdocs.org/stc/SR03154NY): Installation of part number 6AB1EL026-001 115 VAC Power System. Mecaer Aviation Group S.p.A

All 53: https://openairdocs.org/model/agusta-ab139/stcs.md

## The same model under other registry codes

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

- [Leonardo S P A AB139](https://openairdocs.org/model/leonardo-s-p-a-ab139): 1 registered aircraft, registry code 33601QR

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