Type Record · As of May 3, 2026
LEONARDO S P A A109S
Rotorcraft · P&W CANADA PW207C
Registered
3
Year Range
2006–2019
NTSB Events
0
Airworthiness Directives
33
Aircraft Resources
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered LEONARDO S P A A109S aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- OR 33.3% 1
- MN 33.3% 1
- FL 33.3% 1
By Decade of Manufacture
- 2000s 66.7% 2
- 2010s 33.3% 1
02 / NTSB Records
Events involving LEONARDO S P A A109S aircraft
No NTSB-recorded events match LEONARDO S P A A109S in the indexed corpus.
03 / Airworthiness Directives
FAA directives applicable to LEONARDO S P A A109S
33 directive(s) on file. Showing the most recent 25 · 8 more in the Federal Register.
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Sep 30, 2025
Airworthiness Directives; Leonardo S.p.A. Helicopters
The FAA proposes to supersede Airworthiness Directive (AD) 2021-23-04 which applies to certain Leonardo S.p.A. Model A109E helicopters. AD 2021-23-04 requires repetitive inspections of the intersection of the lateral pylon and floor spar at station (STA) 1815 for cracking and repair, depending on the findings. Since t…
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Sep 10, 2025
Airworthiness Directives; Leonardo S.p.A. Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Leonardo S.p.A. Model A109E, A109S, AW109SP, A119, and AW119 MKII helicopters. This AD was prompted by a report that certain manufacturer maintenance instructions for swashplate assembly installation specified incorrect torque values for certain swashplate…
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May 12, 2025
Airworthiness Directives; Leonardo S.p.A. Helicopters
The FAA is adopting a new airworthiness directive (AD) for certain Leonardo S.p.A. Model A109E, A109S, and AW109SP helicopters. This AD was prompted by reports of incorrect installation of the motor (MTR) cables and the bonding braids connected to the engine fire extinguisher bottles. This AD requires inspecting the c…
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May 6, 2025
Airworthiness Directives; Thommen Aircraft Equipment AG Digital Air Data Computers
The FAA is correcting an airworthiness directive (AD) that published in the Federal Register. The AD applies to certain Thommen Aircraft Equipment AG (THOMMEN) AC32 Digital Air Data Computers (ADCs). As published, there were typographical errors in the some of the aircraft models in the applicability table. This docum…
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Apr 10, 2025
Airworthiness Directives; Thommen Aircraft Equipment AG Digital Air Data Computers
The FAA is adopting a new airworthiness directive (AD) for certain THOMMEN AIRCRAFT EQUIPMENT AG (THOMMEN) AC32 Digital Air Data Computers. This AD results from occurrences of AC32 Digital Air Data Computers (ADCs) that stop functioning below certain temperatures. This AD requires replacing an affected AC32 Digital AD…
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Feb 5, 2025
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA proposes to adopt a new airworthiness directive (AD) for certain Leonardo S.p.a. Model A109E, A109S, and AW109SP helicopters. This proposed AD was prompted by reports of incorrect installation of the motor (MTR) cables and the bonding braids connected to the engine fire extinguisher bottles. This proposed AD w…
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Feb 4, 2025
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Leonardo S.p.a. Model A109E, A109K2, A109S, AB412, AB412 EP, AB139, and AW139 helicopters. This AD was prompted by a report that certain rescue hoist cable assemblies may be equipped with a defective ball end. This AD requires inspecting certain rescue hoi…
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Nov 19, 2024
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA proposes to adopt a new airworthiness directive (AD) for all Leonardo S.p.a. Model A109C, A109E, A109S, and AW109SP helicopters. This proposed AD was prompted by a report of a quality escape on a batch of main rotor blades (MRBs). This proposed AD would require repetitively tap inspecting certain MRBs, replaci…
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Sep 30, 2024
Airworthiness Directives; THOMMEN AIRCRAFT EQUIPMENT AG Digital Air Data Computers
The FAA proposes to adopt a new airworthiness directive (AD) for certain THOMMEN AIRCRAFT EQUIPMENT AG (THOMMEN) AC32 Digital Air Data Computers. This proposed AD results from occurrences of AC32 Digital Air Data Computers (ADCs) that stop functioning below certain temperatures. This proposed AD would require replacin…
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Dec 11, 2023
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA proposes to adopt a new airworthiness directive (AD) for all Leonardo S.p.a. Model A109C, A109E, A109K2, A109S, and AW109SP helicopters. This proposed AD was prompted by reports of loose tail rotor duplex bearing locking nuts, possibly caused by improper installation. This proposed AD would require disassembli…
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Oct 3, 2023
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA proposes to adopt a new airworthiness directive (AD) for all Leonardo S.p.a. Model A109E, A109S, AW109SP, A119, and AW119 MKII helicopters. This proposed AD was prompted by multiple reports of excessive axial play on the ball bearing of the lower half of the main rotor (MR) rotating scissor assembly. This prop…
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Jan 13, 2023
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA is adopting a new airworthiness directive (AD) for certain Leonardo S.p.a. Model A109, A109A, A109A II, A109C, A109E, A109K2, A109S, and AW109SP helicopters modified by Supplemental Type Certificate (STC) SR01812LA. This AD was prompted by a report of certain floats not deploying due to a faulty plunger assemb…
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Jul 12, 2022
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA proposes to adopt a new airworthiness directive (AD) for certain Leonardo S.p.a. Model A109, A109A, A109A II, A109C, A109K2, A109E, A109S, and AW109SP helicopters modified by Supplemental Type Certificate (STC) SR01812LA. This proposed AD was prompted by a report of certain floats not deploying due to a faulty…
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Jun 1, 2022
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA is adopting a new airworthiness directive (AD) for certain Leonardo S.p.a. Model A109S and AW109SP helicopters. This AD was prompted by a report of a protective sheath, installed around a fixed flight control rod, which should have been removed during assembly. This AD requires borescope inspecting certain par…
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Mar 31, 2022
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA is superseding Airworthiness Directive (AD) 2021-17- 18, which applied to all Leonardo S.p.a. Model A109C, A109K2, A109E, A109S, and AW109SP helicopters. AD 2021-17-18 required an inspection of certain tail rotor (TR) sleeve assemblies for discrepancies, an inspection of certain TR shaft assemblies for discrep…
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Mar 22, 2022
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA proposes to adopt a new airworthiness directive (AD) for certain Leonardo S.p.a. Model A109S and AW109SP helicopters. This proposed AD was prompted by a report of a protective sheath, installed around a fixed flight control rod, which should have been removed during assembly. This proposed AD would require bor…
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Mar 16, 2022
Airworthiness Directives; Goodrich Externally-Mounted Hoist Assemblies
The FAA is adopting a new airworthiness directive (AD) for various model helicopters with certain part-numbered Goodrich externally-mounted hoist assemblies (hoists) installed. This AD was prompted by hoists failing lower load limit inspections. This AD requires replacing unmodified hoists, installing placards, revisi…
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Feb 3, 2022
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA proposes to supersede Airworthiness Directive (AD) 2021-17-18, which applies to all Leonardo S.p.a. Model A109C, A109K2, A109E, A109S, and AW109SP helicopters. AD 2021-17-18 requires an inspection of certain tail rotor (TR) sleeve assemblies for discrepancies, an inspection of certain TR shaft assemblies for d…
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Dec 10, 2021
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA is adopting a new airworthiness directive (AD) for certain Leonardo S.p.a. Model A109E, A109S, and AW109SP helicopters. This AD was prompted by reports of main landing gear (MLG) wheel assembly failure. This AD requires repetitive inspections of each affected MLG strut assembly and, depending on the findings,…
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Nov 5, 2021
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA is adopting a new airworthiness directive (AD) for certain Leonardo S.p.a. Model A109A, A109A II, A109C, A109E, A109K2, A109S, AW109SP, A119, and AW119 MKII helicopters. This AD was prompted by a report of damage to a rigid connecting link (rod), and loosening of the nut on the upper rod end. This AD requires…
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Sep 30, 2021
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA proposes to adopt a new airworthiness directive (AD) for certain Leonardo S.p.a. Model A109S and AW109SP helicopters. This proposed AD was prompted by the discovery that rubber protection of certain electrical wiring had not been installed in the baggage avionics bay during production. This proposed AD would r…
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Sep 30, 2021
Airworthiness Directives; Goodrich Externally-Mounted Hoist Assemblies
The FAA is revising a notice of proposed rulemaking (NPRM) for various model helicopters with certain part-numbered Goodrich externally-mounted hoist assemblies (hoists) installed. This action revises the NPRM by adding a figure and revising certain requirements. The FAA is proposing this airworthiness directive (AD)…
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Aug 20, 2021
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Leonardo S.p.a. Model A109C, A109K2, A109E, A109S, and AW109SP helicopters. This AD was prompted by a report of a crack on the tail rotor (TR) mast. This AD requires an inspection of certain TR sleeve assemblies for discrepancies, an inspection of certain…
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Aug 20, 2021
Airworthiness Directives; Leonardo S.p.a Helicopters
The FAA is adopting a new airworthiness directive (AD) for certain Leonardo S.p.a. Model A109A, A109A II, A109C, A109E, A109K2, A109S, and AW109SP helicopters, having a certain rotor brake kit installed. This AD was prompted by a report of un-commanded activation of the rotor brake system before take-off due to a jamm…
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Aug 13, 2021
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA proposes to adopt a new airworthiness directive (AD) for all Leonardo S.p.a. Model A109A, A109A II, A109C, A109E, A109K2, A109S, AW109SP, A119, and AW119 MKII helicopters. This proposed AD was prompted by a report of damage to a rigid connecting link (rod), and loosening of the nut on the upper rod end. This p…
04 / Regulations watching this type
Advisory Circulars and Federal Register activity for LEONARDO S P A A109S
Advisory Circulars
No ACs explicitly mention this type. Showing universal operating-rule ACs that apply to all aircraft.
Recent Federal Register activity
Latest rulemakings touching general operating rules (Part 91) and maintenance rules (Part 43).
- 2026-04-17 Settlement Policy for Small Unmanned Aircraft System (UAS) Cases FR ↗
- 2026-02-10 Normalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Reopening of Comment Period; Denial of Extension FR ↗
- 2026-02-02 25-Hour Cockpit Voice Recorder (CVR) Requirement, New Aircraft Production FR ↗
- 2026-01-28 Normalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Reopening of Comment Period FR ↗
- 2026-01-07 Requirements for Interference-Tolerant Radio Altimeter Systems FR ↗
05 / Aircraft of this type
All 3 registered N-numbers
Every tail currently on the FAA registry for this make/model. Click an N-number to query the FAA Aircraft Inquiry; rows flagged ● have NTSB events on file. Tails seeded with full TallyAero pages link directly.
05 / Sources & Methodology
Every count traces back to a primary US-government source
- FAA Aircraft Registry →
Refreshed Apr 27, 2026
Available
- NTSB CAROL →
Refreshed Apr 27, 2026
Available
- Federal Register (FAA Airworthiness Directives) →
Refreshed Apr 27, 2026
Available
We render counts and lists as the agency publishes them. Read the methodology →