Public Record · As of May 5, 2026
N911FK
Agustawestland Philadelphia AW139 · 2025 View Type →
Status
Registration Valid
Type
Rotorcraft
Engine
P&W CANADA PT6C-67C
Last Cert Issue
—
01 / Registration
Filed with the Federal Aviation Administration
Every cell below is a literal field from the FAA Aircraft Registry. Click any value to open the FAA registry record for N911FK.
Tail Number
N911FK
Serial Number
41606
Make
AGUSTAWESTLAND PHILADELPHIA
Model
AW139
Year of Manufacture
2025
Mfr / Model Code
0260400
Type Aircraft
Rotorcraft
Type Engine
Turbo-shaft
Engines
2
Seats
17
Engine Manufacturer
P&W CANADA
Engine Model
PT6C-67C
Horsepower
1679 hp
Weight Class
CLASS 2
Certification
Standard (+1 flag) · code 1T
Registrant
MONROE COUNTY FLORIDA · Government
Address
1100 SIMONTON ST · KEY WEST, FL 33040-3110
FAA Region
7 · County 087
Status
Registration Valid
Airworthiness Date
—
Cert Issue Date
—
Expiration Date
—
Last FAA Action
—
Mode S Hex (ICAO24)
AC9AE9
Mode S (Octal)
53115351
Live position via ICAO24 AC9AE9
External services. Live tracks are unaffiliated with TallyAero or the FAA.
02 / NTSB Records
Events on file with the National Transportation Safety Board
-
Dec 15, 2017
Islamorada, Florida
03 / Airworthiness Directives
Applicable to AGUSTAWESTLAND PHILADELPHIA AW139
Federal Aviation Administration airworthiness directives matched to make and model. Each entry links to the Federal Register publication.
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Dec 27, 2022
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA is superseding Airworthiness Directive (AD) 2021-20-10 for certain Leonardo S.p.a. Model AB139 and AW139 helicopters. AD 2021- 20-10 required removing from service a certain part-numbered main gearbox (MGB) spherical bearing lock nut (lock nut) that is installed on certain part-numbered MGBs and replacing it with a newly designed MGB lock nut. AD 20…
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Nov 10, 2022
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA proposes to adopt a new airworthiness directive (AD) for all Leonardo S.p.a. Model AB139 and AW139 helicopters. This proposed AD was prompted by a report of a damaged tail rotor duplex bearing (TRDB). This proposed AD would require repetitively inspecting certain TRDBs and depending on the results, replacing the TRDB or tail rotor actuator (TRA), or…
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Nov 2, 2022
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA is adopting a new airworthiness directive (AD) for certain Leonardo S.p.a. Model AB139 and AW139 helicopters. This AD was prompted by a report of smoke and fire in the cockpit. This AD requires inspecting the forward cabin roof ceiling harnesses and installation, as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporate…
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Jun 22, 2022
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA is adopting a new airworthiness directive (AD) for certain Leonardo S.p.a. Model AB139 and AW139 helicopters. This AD was prompted by a large crack detected on the tail gearbox (TGB) fitting during a scheduled inspection and the determination that certain TGB fittings are required to be inspected by the use of a borescope. This AD requires a one-tim…
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Apr 20, 2022
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA proposes to supersede Airworthiness Directive (AD) 2021-20-10, which applies to certain Leonardo S.p.a. Model AB139 and AW139 helicopters. AD 2021-20-10 requires removing from service a certain part-numbered main gearbox (MGB) spherical bearing lock nut (lock nut) that is installed on certain part-numbered MGBs and replacing it with a newly designed…
-
Apr 4, 2022
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA is superseding Airworthiness Directive (AD) 2020-23- 07, which applied to certain Leonardo S.p.a. Model AB139 and AW139 helicopters. AD 2020-23-07 required removing certain life raft reservoirs (reservoirs) from service, inspecting the reservoirs and actuator cables, and depending on the inspection results, replacing the reservoir or adjusting the a…
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Mar 21, 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 AB139 and AW139 helicopters. This proposed AD was prompted by a large crack detected on the tail gearbox (TGB) fitting during a scheduled inspection and the determination that certain TGB fittings are required to be inspected by the use of a borescope. This propos…
-
Jan 12, 2022
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA proposes to supersede Airworthiness Directive (AD) 2020-23-07, which applies to certain Leonardo S.p.a. Model AB139 and AW139 helicopters. AD 2020-23-07 requires removing certain life raft reservoirs (reservoirs) from service, inspecting the reservoirs and actuator cables, and depending on the inspection results, replacing the reservoir or adjusting…
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Dec 14, 2021
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA is adopting a new airworthiness directive (AD) for certain Leonardo S.p.a. Model AB139 and AW139 helicopters. This AD was prompted by reports of failed main rotor (MR) dampers. This AD requires various inspections of certain MR dampers, as specified in a European Aviation Safety Agency (now European Union Aviation Safety Agency) (EASA) AD, which is…
-
Nov 2, 2021
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA is adopting a new airworthiness directive (AD) for certain Leonardo S.p.a. Model AB139 and AW139 helicopters. This AD was prompted by the determination that the requirement to accomplish a rated load check (RTC) on certain hoist assemblies may have been inadvertently left out of some aircraft maintenance publications (AMPs). This AD requires perform…
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Oct 18, 2021
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA is adopting a new airworthiness directive (AD) for certain Leonardo S.p.a. Model AB139 and AW139 helicopters. This AD was prompted by a report of several occurrences of a cracked main gearbox (MGB) spherical bearing lock nut (lock nut). This AD requires removing from service a certain part-numbered MGB lock nut that is installed on certain part-numb…
-
Sep 27, 2021
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA is adopting a new airworthiness directive (AD) for certain Leonardo S.p.a. Model AB139 and AW139 helicopters. This AD was prompted by a report that, during a post-flight inspection of an in- service helicopter, a tail rotor slider assembly was found fractured, and the bushing and the actuator rod in the tail rotor servo were partially damaged. This…
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Sep 14, 2021
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA is revising an earlier proposal for certain Leonardo S.p.a. Model AB139 and AW139 helicopters. This action revises the notice of proposed rulemaking (NPRM) by expanding the required actions. This proposed AD would require various inspections of certain main rotor (MR) dampers, as specified in a European Aviation Safety Agency (now European Union Avi…
-
Jul 26, 2021
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA proposes to adopt a new airworthiness directive (AD) for certain Leonardo S.p.a. (Leonardo) Model AB139 and AW139 helicopters. This proposed AD was prompted by a report of several occurrences of a cracked main gearbox (MGB) spherical bearing lock nut (lock nut). This proposed AD would require removing from service a certain part-numbered MGB lock nu…
-
Jul 23, 2021
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA is adopting a new airworthiness directive (AD) for certain Leonardo S.p.a. Model AB139 and AW139 helicopters. This AD was prompted by two events of uncommanded emergency flotation system (EFS) deployment during flight. This AD requires replacing certain part- numbered EFS control panels and prohibits installing them. The FAA is issuing this AD to ad…
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Jun 29, 2021
Airworthiness Directives; Leonardo S.p.a. (Type Certificates Previously Held by Agusta S.p.A. and AgustaWestland S.p.A.) Helicopters
The FAA is adopting a new airworthiness directive (AD) for Leonardo S.p.a. (Type Certificate previously held by Agusta S.p.A.) Model AB139 and AW139 helicopters and Leonardo S.p.a. (Type Certificate previously held by AgustaWestland S.p.A.) Model AW189 helicopters. This AD was prompted by reports of missing lock wire and loose fasteners. This AD requires a…
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Jun 25, 2021
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA is adopting a new airworthiness directive (AD) for certain Leonardo S.p.a. Model AB139, AW139, and AW189 helicopters. This AD was prompted by a report of the in-flight failure of one of the three stainless steel external rings bonded to the main rotor swashplate boot. This AD requires repetitive inspections of these stainless steel external rings fo…
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Jun 24, 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 AB139 and Model AW139 helicopters. This proposed AD was prompted by a report that, during a post-flight inspection of an in-service helicopter, a tail rotor slider assembly was found fractured, and the bushing and the actuator rod in the tail rotor servo were part…
-
May 25, 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 AB139 and AW139 helicopters. This proposed AD was prompted by two events of uncommanded emergency flotation system (EFS) deployment during flight. This proposed AD would require replacing certain part-numbered EFS control panels and prohibit installing them. The F…
-
Apr 19, 2021
Airworthiness Directives; Leonardo S.p.a. (Type Certificates Previously Held by Agusta S.p.A. and AgustaWestland S.p.A.) Helicopters
The FAA proposes to adopt a new airworthiness directive (AD) for Leonardo S.p.a. (Type Certificate previously held by Agusta S.p.A.) Model AB139 and AW139 helicopters and Leonardo S.p.a. (Type Certificate previously held by AgustaWestland S.p.A.) Model AW189 helicopters. This proposed AD was prompted by reports of missing lock wire and loose fasteners. This…
-
Feb 25, 2021
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA is adopting a new airworthiness directive (AD) for certain Leonardo S.p.a. (Leonardo) Model AB139 and AW139 helicopters. This AD requires removing certain engine mounting rods from service and prohibits their installation on any helicopter. This AD was prompted by a report of non-conforming engine mounting rods. The actions of this AD are intended t…
-
Nov 19, 2020
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA is adopting a new airworthiness directive for all Leonardo S.p.a. Model AB139 and AW139 helicopters. This AD requires removing certain emergency life raft (raft) reservoirs (reservoirs) from service, inspecting the reservoirs and raft actuator cables (actuator cables), and depending on the inspection results, replacing the reservoir or adjusting the…
-
Sep 10, 2020
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA is adopting a new airworthiness directive (AD) for Leonardo S.p.a. (Leonardo) Model AB139 and AW139 helicopters. This AD requires removing certain main gearbox (MGB) input modules from service. This AD was prompted by the discovery that a batch of duplex bearings, which are installed on the MGB input modules, are defective. The actions of this AD ar…
-
Jul 9, 2020
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA proposes to adopt a new airworthiness directive (AD) for certain Leonardo S.p.a. (Leonardo) Model AB139 and AW139 helicopters. This proposed AD would require removing certain engine mounting rods from service and prohibit their installation on any helicopter. This proposed AD was prompted by a report of non-conforming engine mounting rods. The actio…
-
Jun 8, 2020
Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA proposes to adopt a new airworthiness directive (AD) for Leonardo S.p.a. (Leonardo) Model AB139 and AW139 helicopters. This proposed AD would require removing certain main gearbox (MGB) input modules from service. This proposed AD was prompted by the discovery that a batch of duplex bearings, which are installed on the MGB input modules, are defecti…
-
Mar 31, 2020
Airworthiness Directives; Leonardo S.p.A. Helicopters
The FAA proposes to adopt a new airworthiness directive (AD) for certain Leonardo S.p.A. (Leonardo) Model AB139 and AW139 helicopters. This proposed AD would require various inspections of the main rotor (M/R) damper, and depending on the inspection results, removing from service or replacing certain parts. This proposed AD would also require reducing the t…
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Nov 24, 2017
Airworthiness Directives; Agusta S.p.A. Helicopters
We are superseding Airworthiness Directive (AD) 2014-24-02 for Agusta S.p.A. (Agusta) Model AB139 and AW139 helicopters. AD 2014-24-02 required repetitively inspecting the main rotor (M/R) rotating scissors, removing certain lower half scissor spherical bearings (bearings) from service, and installing a special nut. This new AD revises the inspection requir…
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Nov 28, 2014
Airworthiness Directives; Agusta S.p.A. Helicopters
We are superseding Airworthiness Directive (AD) 2014-07-51 for AgustaWestland S.p.A. Model AB139 and AW139 helicopters with certain main rotor (M/R) rotating scissors installed. AD 2014-07-51 required repetitively inspecting the M/R rotating scissors for play of the lower half scissor spherical bearing (bearing) and removing the bearing if there was play be…
04 / Service Difficulty Reports
FAA SDR filings
The FAA does not currently expose a public API for Service Difficulty Reports. We do not back-fill or paraphrase. Search the FAA SDR portal directly →
05 / Related
More on Agustawestland Philadelphia AW139 in the Atlas
Agustawestland Philadelphia AW139 type page → — 114 registered · 28 ADs · 17 NTSB records
Other Agustawestland Philadelphia AW139 aircraft
Recent NTSB events · this type
-
Sep 24, 2022
Houma, Louisiana None
Atlas event → -
Sep 2, 2017
Tujunga, California None
Atlas event → -
Apr 7, 2016
Galliano, Louisiana None
Atlas event → -
Sep 24, 2011
Lemars, Iowa Minor
Atlas event → -
Nov 5, 2007
West Point, Virginia Minor
Atlas event →
Search the full US registry → · All airworthiness directives → · Accident & safety surface →
06 / Sources & Methodology
Every fact on this page links to its primary US-government source
- FAA Aircraft Registry →
Refreshed May 5, 2026
Available
- NTSB CAROL →
Refreshed May 5, 2026
Available
- Federal Register (FAA Airworthiness Directives) →
Refreshed May 5, 2026
Available
- FAA Service Difficulty Reports →
Refreshed May 5, 2026
Unavailable
We render only what the agency publishes. Found a factual error? Report it → We acknowledge within 5 business days and resolve within 14.