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Public Record · As of May 5, 2026

N6AT

Pilatus PC-7 View Type →

Status

Registration Valid

Type

Fixed Wing Single Engine

Engine

P&W CANADA PT6A-25A

Last Cert Issue

02 /  NTSB Records

Events on file with the National Transportation Safety Board

03 /  Airworthiness Directives

Applicable to PILATUS PC-7

Federal Aviation Administration airworthiness directives matched to make and model. Each entry links to the Federal Register publication.

  • Feb 22, 2021

    Airworthiness Directives; Pilatus Aircraft Ltd. Airplanes

    The FAA is adopting a new airworthiness directive (AD) for all Pilatus Aircraft Ltd. Model PC-7 airplanes. This AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. This AD requires revising the Airworthiness Limitation…

    Federal Register →
  • Feb 12, 2021

    Airworthiness Directives; Pilatus Aircraft Ltd. Airplanes

    The FAA is adopting a new airworthiness directive (AD) for all Pilatus Aircraft Ltd. (Pilatus) Model PC-7 airplanes. This AD results from mandatory continuing airworthiness information (MCAI) issued by the aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as a mi…

    Federal Register →
  • Sep 24, 2020

    Airworthiness Directives; Pilatus Aircraft Ltd. Airplanes

    The FAA proposes to adopt a new airworthiness directive (AD) for all Pilatus Aircraft Ltd. Model PC-7 airplanes. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition…

    Federal Register →
  • Apr 3, 2019

    Airworthiness Directives; Pilatus Aircraft Ltd. Airplanes

    We are adopting a new airworthiness directive (AD) for certain Pilatus Aircraft Ltd. Model PC-7 airplanes. This AD results from mandatory continuing airworthiness information (MCAI) issued by the aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as chafed and bur…

    Federal Register →
  • Mar 8, 2018

    Airworthiness Directives; Pilatus Aircraft Limited Airplanes

    We are adopting a new airworthiness directive (AD) for Pilatus Aircraft Limited Model PC-7 airplanes. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as the brakes remaining…

    Federal Register →
  • Nov 21, 2017

    Airworthiness Directives; Pilatus Aircraft Limited Airplanes

    We propose to adopt a new airworthiness directive (AD) for Pilatus Aircraft Limited Model PC-7 airplanes. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as the…

    Federal Register →
  • Aug 26, 2016

    Airworthiness Directives; PILATUS Aircraft Ltd. Airplanes

    We are adopting a new airworthiness directive (AD) for PILATUS Aircraft Ltd. Model PC-7 airplanes. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as stress corrosion cracki…

    Federal Register →
  • Jun 9, 2016

    Airworthiness Directives; PILATUS Aircraft Ltd. Airplanes

    We propose to adopt a new airworthiness directive (AD) for PILATUS Aircraft Ltd. Model PC-7 airplanes. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as stress…

    Federal Register →
  • Apr 14, 2015

    Airworthiness Directives; Pilatus Aircraft Ltd. Airplanes

    We are adopting a new airworthiness directive (AD) for PILATUS Aircraft Ltd. Model PC-7 airplanes. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as the potential for a spr…

    Federal Register →
  • Jan 29, 2015

    Airworthiness Directives; PILATUS Aircraft Ltd. Airplanes

    We propose to adopt a new airworthiness directive (AD) for PILATUS Aircraft Ltd. Model PC-7 airplanes. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as the po…

    Federal Register →
  • Jan 26, 2015

    Airworthiness Directives; PILATUS Aircraft Ltd. Airplanes

    We are adopting a new airworthiness directive (AD) for Pilatus Aircraft Ltd. Model PC-7 airplanes. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as possible cracking from…

    Federal Register →
  • Oct 7, 2014

    Airworthiness Directives; PILATUS Aircraft Ltd. Airplanes

    We propose to adopt a new airworthiness directive (AD) for PILATUS Aircraft Ltd. Model PC-7 airplanes. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as possib…

    Federal Register →
  • Nov 8, 2013

    Airworthiness Directives; PILATUS Aircraft Ltd. Airplanes

    We are adopting a new airworthiness directive (AD) for certain PILATUS Aircraft Ltd. Model PC-7 airplanes. This AD results from mandatory continuing airworthiness information (MCAI) issued by the aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as chafing on the…

    Federal Register →
  • Jul 10, 2013

    Airworthiness Directives; Pilatus Aircraft Ltd. Airplanes

    We are adopting a new airworthiness directive (AD) for all PILATUS Aircraft Ltd. Model PC-7 airplanes. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as a need to incorpora…

    Federal Register →
  • Apr 26, 2013

    Airworthiness Directives; PILATUS Aircraft Ltd. Airplanes

    We propose to adopt a new airworthiness directive (AD) for all PILATUS Aircraft Ltd. Model PC-7 airplanes. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as a…

    Federal Register →
  • Jan 18, 2013

    Airworthiness Directives; PILATUS Aircraft Ltd. Airplanes

    We are adopting a new airworthiness directive (AD) for PILATUS Aircraft Ltd. Model PC-7 airplanes. This AD results from mandatory continuing airworthiness information (MCAI) issued by the aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as cracks in the engine m…

    Federal Register →
  • Oct 29, 2010

    Airworthiness Directives; PILATUS Aircraft Ltd. Model PC-7 Airplanes

    We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:

    Federal Register →
  • Aug 26, 2010

    Airworthiness Directives; PILATUS Aircraft Ltd. Model PC-7 Airplanes

    We propose to adopt a new airworthiness directive (AD) for the products listed above. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as: This Airworthiness Dir…

    Federal Register →
  • Jun 8, 2010

    Airworthiness Directives; PILATUS Aircraft Ltd. Model PC-7 Airplanes

    We are adopting a new airworthiness directive (AD) for the

    Federal Register →
  • Mar 15, 2010

    Airworthiness Directives; PILATUS Aircraft Ltd. Model PC-7 Airplanes

    We propose to adopt a new airworthiness directive (AD) for the products listed above. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:

    Federal Register →
  • Dec 28, 2009

    Airworthiness Directives; PILATUS Aircraft Ltd. Model PC-7 Airplanes

    We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:

    Federal Register →
  • Oct 9, 2009

    Airworthiness Directives; PILATUS Aircraft Ltd. Model PC-7 Airplanes

    We propose to adopt a new airworthiness directive (AD) for the products listed above. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:

    Federal Register →
  • Aug 5, 2009

    Airworthiness Directives; Pilatus Aircraft Limited Model PC-7 Airplanes

    We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:

    Federal Register →
  • Jun 5, 2009

    Airworthiness Directives; PILATUS Aircraft Ltd. Model PC-7 Airplanes

    We propose to adopt a new airworthiness directive (AD) for the products listed above. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:

    Federal Register →
  • Nov 8, 2006

    Airworthiness Directives; Pilatus Aircraft Ltd. Model PC-7 Airplanes

    The FAA adopts a new airworthiness directive (AD) for certain Pilatus Aircraft Ltd. (Pilatus) Model PC-7 airplanes. This AD requires you to do repetitive eddy-current, non-destructive inspections of the nose skin and adjacent structure above the left and right main landing gear bay and repetitive visual inspections of the forward support structure of the fl…

    Federal Register →
  • Sep 15, 2006

    Airworthiness Directives; Pilatus Aircraft Ltd. Model PC-7 Airplanes

    We propose to adopt a new airworthiness directive (AD) for certain Pilatus Aircraft Ltd. (Pilatus) Model PC-7 airplanes. This proposed AD would require you to do repetitive eddy-current, non- destructive inspections of the nose skin and adjacent structure above the left and right main landing gear bay and repetitive visual inspections of the forward support…

    Federal Register →
  • Sep 9, 2005

    Airworthiness Directives; Goodrich De-icing and Specialty Systems “FASTprop” Propeller De-icers

    The FAA is adopting a new airworthiness directive (AD) for Goodrich De-icing and Specialty Systems "FASTprop" propeller de- icers, part numbers P4E1188 series, P4E1601 series, P4E2200 series, P4E2271-10, P4E2575-7, P4E2575-10, P4E2598-10, P5855BSW, P6199SW, P6592SW, P6662SW, and P6975-11, installed. This AD requires inspection, repair, or replacement of tho…

    Federal Register →
  • Jul 14, 2005

    Airworthiness Directives; Hartzell Propeller Inc. Models HC-B3TN-2, HC-B3TN-3, HC-B3TN-5, HC-B3MN-3, HC-B4TN-3, HC-B4TN-5, HC-B4MN-5, HC-B4MP-3, HC-B4MP-5, and HC-B5MP-3 Propellers

    The FAA is adopting a new airworthiness directive (AD) for Hartzell Propeller Inc. models HC-B3TN-2, HC-B3TN-3, HC-B3TN-5, HC- B3MN-3, HC-B4TN-3, HC-B4TN-5, HC-B4MN-5, HC-B4MP-3, HC-B4MP-5, and HC- B5MP-3 propellers, installed with propeller mounting bolts, part number (P/N) B-3339. This AD requires initial and repetitive visual inspections and torque check…

    Federal Register →
  • Apr 6, 2005

    Airworthiness Directives; Goodrich De-icing and Specialty Systems “FASTprop” Propeller De-icers

    The FAA proposes to adopt a new airworthiness directive (AD) for Goodrich De-icing and Specialty Systems "FASTprop" propeller de- icers, part numbers P4E1188 series, P4E1601 series, P4E2200 series, P4E2271-10, P4E2575-7, P4E2575-10, P4E2598-10, P5855BSW, P6199SW, P6592SW, P6662SW, and P6975-11, installed. This proposed AD would require inspection, repair, o…

    Federal Register →
  • Jan 19, 2005

    Airworthiness Directives; GARMIN International Inc. GTX 33, GTX 33D, GTX 330, and GTX 330D Mode S Transponders

    The FAA is adopting a new airworthiness directive (AD) to supersede Airworthiness Directive 2004-10-15, which applies to certain GTX 330 and GTX 330D Mode S transponders that are installed on airplanes. AD 2004-10-15 currently requires you to install GTX 330/330D Software Upgrade Version 3.03, 3.04, or 3.05. This AD applies to certain GTX 33, GTX 33D, GTX 3…

    Federal Register →
  • Dec 14, 2004

    Airworthiness Directives; Pilatus Aircraft Ltd. Model PC-7 Airplanes

    This document makes a correction to Airworthiness Directive (AD) 2004-23-01, which was published in the Federal Register on November 9, 2004 (69 FR 64832), and applies to certain Pilatus Aircraft Ltd. (Pilatus) Model PC-7 airplanes with any Lear Romec RR53710B type or Lear Romec RR53710K fuel booster pump (Pilatus part number 968.84.11.401; 968.84.11.403; o…

    Federal Register →
  • Nov 9, 2004

    Airworthiness Directives; Pilatus Aircraft Ltd. Model PC-7 Airplanes

    The FAA adopts a new airworthiness directive (AD) for certain Pilatus Aircraft Ltd. (Pilatus) Model PC-7 airplanes with any Lear Romec RR53710B type or Lear Romec RR53710K fuel booster pump (Pilatus part number 968.84.11.401; 968.84.11.403; or 968.84.11.404) installed. This AD requires you to check the airplane logbook to determine whether any installed fue…

    Federal Register →
  • Oct 7, 2004

    Airworthiness Directives; GARMIN International Inc. GTX 33, GTX 33D, GTX 330, and GTX 330D Mode S Transponders

    The FAA proposes to supersede Airworthiness Directive (AD) 2004-10-15, which applies to certain GTX 330 and GTX 330D Mode S transponders that are installed on airplanes. AD 2004-10-15 currently requires you to install GTX 330/330D Software Upgrade Version 3.03, 3.04, or 3.05. This proposed AD applies to certain GTX 33, GTX 33D, GTX 330, and GTX 330D Mode S…

    Federal Register →
  • Aug 20, 2004

    Airworthiness Directives; Pilatus Aircraft Ltd. Model PC-7 Airplanes

    The FAA proposes to adopt a new airworthiness directive (AD) for certain Pilatus Aircraft Ltd. (Pilatus) Model PC-7 airplanes with any Lear Romec RR53710B type or Lear Romec RR53710K fuel booster pump (Pilatus part number 968.84.11.401; 968.84.11.403; or 968.84.11.404) installed. This proposed AD would require you to check the airplane logbook to determine…

    Federal Register →
  • May 21, 2004

    Airworthiness Directives; GARMIN International Inc. GTX 330 Mode S Transponders and GTX 330D Diversity Mode S Transponders

    The FAA adopts a new airworthiness directive (AD) for certain GARMIN International Inc. GTX 330/GTX 330D Mode S transponders that are installed on aircraft. This AD requires you to install GTX 330/330D Software Upgrade Version 3.03, 3.04, or 3.05. This AD is the result of observations that the GTX 330 and GTX 330D may detect, from other aircraft, the S1 (su…

    Federal Register →
  • Feb 18, 2004

    Airworthiness Directives; Pilatus Aircraft Ltd. Models PC-7, PC-12, and PC-12/45 Airplanes

    The FAA adopts a new airworthiness directive (AD) that supersedes AD 2002-01-09, which applies to all Pilatus Aircraft Ltd. (Pilatus) Models PC-7, PC-12, and PC-12/45 airplanes that incorporate a certain engine-driven pump. AD 2002-01-09 currently requires you to inspect the joints between the engine-driven pump housing, the relief valve housing, and the re…

    Federal Register →
  • Dec 30, 2003

    Airworthiness Directives; GARMIN International Inc. GTX 330 Mode S Transponders and GTX 330D Diversity Mode S Transponders

    The FAA proposes to adopt a new airworthiness directive (AD) for certain GARMIN International Inc. GTX 330/GTX 330D Mode S transponders. This proposed AD would require you to install GTX 330/ 330D Software Upgrade Version 3.03. This proposed AD is the result of observations that the GTX 330 and GTX 330D may detect, from other aircraft, the S1 (suppression)…

    Federal Register →
  • Dec 5, 2003

    Airworthiness Directives; Pilatus Aircraft Ltd. Models PC-7, PC-12, and PC-12/45 Airplanes

    The FAA proposes to supersede Airworthiness Directive (AD) 2002-01-09, which applies to all Pilatus Aircraft Ltd. (Pilatus) Models PC-7, PC-12, and PC-12/45 airplanes that incorporate a certain engine- driven pump. AD 2002-01-09 currently requires you to inspect the joints between the engine-driven pump housing, the relief valve housing, and the relief valv…

    Federal Register →
  • Oct 3, 2003

    Airworthiness Directives; PILATUS Aircraft Ltd. Model PC-7 Airplanes

    The FAA adopts a new airworthiness directive (AD) for certain PILATUS Aircraft Ltd. (Pilatus) Model PC-7 airplanes. This AD requires you to inspect the forward and aft dihedral fittings for cracks and replace any cracked fitting. This AD also requires you to modify the aft dihedral fitting and spar-cap bolt holes. This AD is the result of mandatory continui…

    Federal Register →
  • Jul 3, 2003

    Airworthiness Directives; PILATUS Aircraft Ltd. Model PC-7 Airplanes

    This document proposes to adopt a new airworthiness directive (AD) that would apply to certain PILATUS Aircraft Ltd. (Pilatus) Model PC-7 airplanes. This proposed AD would require you to inspect the forward and aft dihedral fittings for cracks and replace any cracked fitting. This proposed AD would also require you to modify the aft dihedral fitting and spa…

    Federal Register →
  • Nov 1, 2002

    Airworthiness Directives; PILATUS Aircraft Ltd. Model PC-7 Airplanes

    This amendment adopts a new airworthiness directive (AD) that applies to certain PILATUS Aircraft Ltd. (Pilatus) Model PC-7 airplanes. This AD requires you to repetitively inspect the main landing gear front attachment brackets for cracks, and, if cracks are found, install improved-design brackets. Installing the improved-design brackets terminates the requ…

    Federal Register →
  • Aug 9, 2002

    Airworthiness Directives; PILATUS Aircraft Ltd. Model PC-7 Airplanes

    This document proposes to adopt a new airworthiness directive (AD) that would apply to certain PILATUS Aircraft Ltd. (Pilatus) Model PC-7 airplanes. This proposed AD would require you to repetitively inspect the main landing gear front attachment brackets for cracks, and, if cracks are found, install improved-design brackets. Installing the improved-design…

    Federal Register →
  • Jan 17, 2002

    Airworthiness Directives; Pilatus Aircraft Ltd. Models PC-7, PC-12, and PC-12/45 Airplanes

    This amendment adopts a new airworthiness directive (AD) that applies to all Pilatus Aircraft Ltd. Models PC-7, PC-12, and PC-12/45 airplanes that incorporate a certain engine-driven pump. This AD requires you to inspect the joints between the engine-driven pump housing, relief valve housing, and the relief-valve cover for signs of fuel leakage or extruding…

    Federal Register →
  • Jan 10, 2002

    Airworthiness Directives; Pilatus Aircraft Ltd. Model PC-7 Airplanes

    This amendment adopts a new airworthiness directive (AD) that applies to certain Pilatus Aircraft Ltd. (Pilatus) Model PC-7 airplanes. This AD requires you to inspect the landing-gear emergency- extension cable for damage and replace if necessary; verify the correct installation of the bowden-cable conduit clamp and correct if necessary; and modify the temp…

    Federal Register →
  • Oct 24, 2001

    Airworthiness Directives; Pilatus Aircraft Ltd. Models PC-7, PC-12, and PC-12/45 Airplanes

    This document proposes to adopt a new airworthiness directive (AD) that would apply to all Pilatus Aircraft Ltd. Models PC-7, PC-12, and PC-12/45 airplanes that incorporate a certain engine-driven pump. This proposed AD would require you to: inspect the joints between the engine-driven pump housing, relief valve housing, and the relief-valve cover for signs…

    Federal Register →
  • Oct 10, 2001

    Airworthiness Directives; Pilatus Aircraft Ltd. Model PC-7 Airplanes

    This document proposes to adopt a new airworthiness directive (AD) that would apply to certain Pilatus Aircraft Ltd. (Pilatus) Model PC-7 airplanes. This proposed AD would require you to inspect the landing-gear emergency-extension cable for damage and replace if necessary; verify the correct installation of the bowden-cable conduit clamp and correct if nec…

    Federal Register →
  • Oct 1, 2001

    Airworthiness Directives; Pratt & Whitney Canada PT6A-25C and -114A Series Turboprop Engines

    This amendment adopts a new airworthiness directive (AD), applicable to Pratt & Whitney Canada (PWC) PT6A-25C and -114A turboprop engines. This amendment will require initial and repetitive visual inspections, and eventual replacement of the compressor bleed valve assembly, with a redesigned valve assembly for -114A and -25C engines. This amendment is promp…

    Federal Register →
  • Mar 12, 2001

    Airworthiness Directives; Pilatus Aircraft Ltd. Model PC-7 Airplanes

    This amendment supersedes Airworthiness Directive (AD) 98-08- 22, which currently requires inspecting the elevator and rudder attachment brackets for cracks and corrosion on certain Pilatus Aircraft Ltd. (Pilatus) Model PC-7 airplanes and replacing any cracked or corrosion-damaged parts. Since the issuance of AD 98-08-22, Pilatus has redesigned the brackets…

    Federal Register →
  • Jan 2, 2001

    Airworthiness Directives; Pilatus Aircraft Ltd. Model PC-7 Airplanes.

    This document proposes to supersede Airworthiness Directive (AD) 98-08-22, which currently requires inspecting the elevator and rudder attachment brackets for cracks and corrosion, and replacing any cracked or corrosion-damaged parts on certain Pilatus Aircraft Ltd. (Pilatus) Model PC-7 airplanes. AD 98-08-22 resulted from mandatory continuing airworthiness…

    Federal Register →
  • Sep 20, 2000

    Airworthiness Directives; Pratt & Whitney Canada PT6A-25C and -114A Series Turboprop Engines

    This document proposes the adoption of a new airworthiness directive (AD) that is applicable to Pratt & Whitney Canada (P&WC) PT6A-25C and -114A turboprop engines. This proposal would require initial and repetitive visual inspections, and eventual replacement of the compressor bleed valve assembly, with a redesigned valve assembly for the -114A engines, and…

    Federal Register →

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 /  Sources & Methodology

Every fact on this page links to its primary US-government source

We render only what the agency publishes. Found a factual error? Report it → We acknowledge within 5 business days and resolve within 14.