# Airworthiness directives that may apply: N555VT

A list on [N555VT](https://openairdocs.org/aircraft/N555VT.md).

Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.

- [AD 2026-20-03](https://openairdocs.org/ad/2026-20-03.md): Placards and Markings · Effective Nov 5, 2026
- [AD 2026-16-01](https://openairdocs.org/ad/2026-16-01.md): Main rotor drive · Effective Sep 10, 2026
- [AD 2026-14-02](https://openairdocs.org/ad/2026-14-02.md): Indication/Recording System · Effective Aug 14, 2026
- [AD 2026-12-10](https://openairdocs.org/ad/2026-12-10.md): Equipment/Furnishings · Effective Aug 3, 2026
- [AD 2026-12-08](https://openairdocs.org/ad/2026-12-08.md): Time Limits/Maintenance Checks · Effective Jul 21, 2026
- [AD 2026-09-15](https://openairdocs.org/ad/2026-09-15.md): Tail rotor head · Effective Jul 21, 2026 · Supersedes AD 2023-01-04
- [AD 2026-12-03](https://openairdocs.org/ad/2026-12-03.md): Main rotor gearbox · Effective Jul 14, 2026 · Supersedes AD 2025-06-04
- [AD 2026-07-12](https://openairdocs.org/ad/2026-07-12.md): Main rotor transmission mount · Effective Apr 29, 2026
- [AD 2025-24-06](https://openairdocs.org/ad/2025-24-06.md): Cabin Equipment/Furnishings · Effective Jan 12, 2026
- [AD 2025-24-04](https://openairdocs.org/ad/2025-24-04.md): Vertical Stabilizer, Spar/Rib Structure · Effective Jan 12, 2026 · Supersedes AD 2021-20-16
- [AD 2025-18-13](https://openairdocs.org/ad/2025-18-13.md): Engine Controls · Effective Oct 23, 2025 · Supersedes AD 2020-24-07
- [AD 2025-10-01](https://openairdocs.org/ad/2025-10-01.md): Cabin Equipment/Furnishings · Effective Jul 11, 2025
- [AD 2025-09-13](https://openairdocs.org/ad/2025-09-13.md): Doors · Effective Jul 7, 2025
- [AD 2024-20-07](https://openairdocs.org/ad/2024-20-07.md): Emergency Equipment; Emergency Flotation Section · Effective Dec 5, 2024
- [AD 2023-11-07](https://openairdocs.org/ad/2023-11-07.md): Ground Proximity System · Effective Jun 22, 2023 · Supersedes AD 2021-23-13
- [AD 2022-10-51](https://openairdocs.org/ad/2022-10-51.md): Flight Control System · Emergency AD · Effective Jun 7, 2022
- [AD 2022-05-10](https://openairdocs.org/ad/2022-05-10.md): Cabin Equipment/Furnishings · Effective Apr 20, 2022
- [AD 2022-05-02](https://openairdocs.org/ad/2022-05-02.md): Engine Fuel Control/Turbine Engines · Effective Mar 30, 2022 · Supersedes AD 2021-11-25
- [AD 2021-03-16 R1](https://openairdocs.org/ad/2021-03-16-R1.md): Passenger/Crew Doors · Effective Mar 24, 2022 · Supersedes AD 2021-03-16
- [AD 2022-01-01](https://openairdocs.org/ad/2022-01-01.md): Main Rotor System · Effective Mar 7, 2022
- [AD 2022-02-04](https://openairdocs.org/ad/2022-02-04.md): Hydraulic Power System Wiring · Effective Feb 25, 2022
- [AD 2021-17-17](https://openairdocs.org/ad/2021-17-17.md): Cabin Equipment/Furnishings · Effective Nov 22, 2021
- [AD 2021-16-16](https://openairdocs.org/ad/2021-16-16.md): Rotorcraft Flight Control · Effective Oct 13, 2021
- [AD 2021-16-11](https://openairdocs.org/ad/2021-16-11.md): Tail Rotor Control System · Effective Oct 6, 2021
- [AD 2021-14-07](https://openairdocs.org/ad/2021-14-07.md): Cabin Equipment/Furnishings · Effective Aug 19, 2021 · Supersedes AD 2003-25-01
- [AD 2021-07-15](https://openairdocs.org/ad/2021-07-15.md): Tail Rotor Drive Shaft · Effective May 7, 2021 · Supersedes AD 82-20-05
- [AD 2021-05-09](https://openairdocs.org/ad/2021-05-09.md): Tail Rotor Control System · Effective Apr 16, 2021 · Supersedes AD 2018-15-02
- [AD 2021-04-13](https://openairdocs.org/ad/2021-04-13.md): Main Rotor Mast Inner Race Rings · Effective Apr 14, 2021
- [AD 2021-04-08](https://openairdocs.org/ad/2021-04-08.md): Engine Control System Wiring · Effective Apr 1, 2021
- [AD 2020-22-20](https://openairdocs.org/ad/2020-22-20.md): Main Rotor Gearbox · Effective Dec 14, 2020
- [AD 2020-20-14](https://openairdocs.org/ad/2020-20-14.md): Rotorcraft Servo System · Effective Oct 23, 2020
- [AD 2015-17-01 R1](https://openairdocs.org/ad/2015-17-01-R1.md): Tail Rotor · Effective Sep 11, 2020 · Supersedes AD 2015-17-01
- [AD 2020-09-02](https://openairdocs.org/ad/2020-09-02.md): Cabin Equipment/Furnishings · Effective May 29, 2020 · Supersedes AD 2017-16-04
- [AD 2020-02-23](https://openairdocs.org/ad/2020-02-23.md): Landing gear · Effective Feb 28, 2020
- [AD 2019-16-16](https://openairdocs.org/ad/2019-16-16.md): Engine Air Intake System · Effective Sep 26, 2019 · Supersedes AD 2018-18-12
- [AD 2018-25-17](https://openairdocs.org/ad/2018-25-17.md): Air Conditioning System Wiring · Effective Jan 22, 2019
- [AD 2018-01-12 R1](https://openairdocs.org/ad/2018-01-12-R1.md): Main Hydraulic System · Effective Mar 2, 2018 · Supersedes AD 2018-01-12
- [AD 2018-02-02](https://openairdocs.org/ad/2018-02-02.md): Main Gearbox Mast · Effective Feb 12, 2018
- [AD 2017-22-05](https://openairdocs.org/ad/2017-22-05.md): Hydraulic Pump (Electric/Engine), Main · Effective Dec 11, 2017 · Supersedes AD 2013-15-03
- [AD 2016-25-20](https://openairdocs.org/ad/2016-25-20.md): Main Rotor Drive System · Effective Jan 31, 2017
- [AD 2016-05-06](https://openairdocs.org/ad/2016-05-06.md): Rotorcraft tailboom · Effective Apr 8, 2016 · Supersedes AD 2014-07-52
- [AD 2015-17-11](https://openairdocs.org/ad/2015-17-11.md): Main Rotor System · Effective Sep 29, 2015
- [AD 2014-05-10](https://openairdocs.org/ad/2014-05-10.md): Tail Rotor · Effective May 2, 2014 · Supersedes AD 2012-25-04
- [AD 2014-04-11](https://openairdocs.org/ad/2014-04-11.md): Tail rotor blades · Effective Apr 9, 2014
- [AD 2014-02-05](https://openairdocs.org/ad/2014-02-05.md): Main Rotor Control · Effective Mar 7, 2014
- [AD 2013-23-10](https://openairdocs.org/ad/2013-23-10.md): Fuselage Miscellaneous Structure · Effective Dec 30, 2013 · Supersedes AD 2010-21-01
- [AD 2013-23-09](https://openairdocs.org/ad/2013-23-09.md): Doors · Effective Dec 27, 2013
- [AD 2013-16-03](https://openairdocs.org/ad/2013-16-03.md): Tail Rotor Gearbox · Effective Oct 22, 2013
- [AD 2013-17-01](https://openairdocs.org/ad/2013-17-01.md): Tail rotor control system · Effective Oct 9, 2013
- [AD 2013-10-51](https://openairdocs.org/ad/2013-10-51.md): Rotorcraft Servo System · Emergency AD · Effective Jul 31, 2013
- [AD 2013-08-19](https://openairdocs.org/ad/2013-08-19.md): Fuselage Door Hinges · Effective Jun 5, 2013
- [AD 2012-25-01](https://openairdocs.org/ad/2012-25-01.md): Emergency Equipment · Effective Jun 5, 2013
- [AD 2013-01-05](https://openairdocs.org/ad/2013-01-05.md): Starter-Generator · Effective Mar 11, 2013
- [AD 2012-17-03](https://openairdocs.org/ad/2012-17-03.md): Hydraulic Power System · Effective Oct 11, 2012
- [AD 2011-18-12](https://openairdocs.org/ad/2011-18-12.md): Vertical stabilizer spar/rib structure · Effective Feb 8, 2012 · Supersedes AD 82-13-05 R1
- [AD 2011-10-12](https://openairdocs.org/ad/2011-10-12.md): Pinion · Effective Jun 22, 2011
- [AD 2011-11-04](https://openairdocs.org/ad/2011-11-04.md): Contaminated Gas · Effective Jun 17, 2011
- [AD 2010-22-08](https://openairdocs.org/ad/2010-22-08.md): Main rotor servo-controls and tail rotor servo-controls · Effective Nov 26, 2010
- [AD 2010-09-01](https://openairdocs.org/ad/2010-09-01.md): Equipment/Furnishings · Effective May 14, 2010
- [AD 2010-06-07](https://openairdocs.org/ad/2010-06-07.md): Rotorcraft Flight Control · Effective Apr 21, 2010
- [AD 2007-26-11](https://openairdocs.org/ad/2007-26-11.md): High-pressure oxygen cylinder · Effective Jan 28, 2008
- [AD 2007-12-22](https://openairdocs.org/ad/2007-12-22.md): Hydraulic fluid · Effective Jul 19, 2007
- [AD 2007-06-15](https://openairdocs.org/ad/2007-06-15.md): Hydraulic drive belt (drive belt) · Effective Apr 23, 2007
- [AD 2006-19-01](https://openairdocs.org/ad/2006-19-01.md): Tapered housing of each main servo-control (MSC) · Effective Sep 27, 2006
- [AD 2006-11-17](https://openairdocs.org/ad/2006-11-17.md): Geneva cyclic control sticks · Effective Jul 7, 2006
- [AD 2005-03-08](https://openairdocs.org/ad/2005-03-08.md): Fuel bleed lever · Effective Mar 21, 2005
- [AD 2004-11-05](https://openairdocs.org/ad/2004-11-05.md): Fuel Transfer Line and Air Exhaust Duct · Effective Jul 9, 2004
- [AD 2004-05-23](https://openairdocs.org/ad/2004-05-23.md): Main rotor swashplate bearing (bearing) · Effective Apr 14, 2004 · Supersedes AD 89-21-01
- [AD 2003-22-11](https://openairdocs.org/ad/2003-22-11.md): Main and tail servocontrol · Effective Dec 8, 2003 · Supersedes AD 2001-26-53
- [AD 2003-20-12](https://openairdocs.org/ad/2003-20-12.md): Siren Cargo Hook Locking Catch · Effective Nov 18, 2003
- [AD 2003-15-08](https://openairdocs.org/ad/2003-15-08.md): Main gearbox (MGB) · Effective Sep 10, 2003
- [AD 2003-14-12](https://openairdocs.org/ad/2003-14-12.md): Equipment Log Card (FME) · Effective Aug 25, 2003
- [AD 2003-08-05](https://openairdocs.org/ad/2003-08-05.md): ASU No. 2 printed circuit board (PCB) · Effective May 19, 2003
- [AD 2003-02-05](https://openairdocs.org/ad/2003-02-05.md): Sliding door roller · Effective Feb 10, 2003
- [AD 2002-20-03](https://openairdocs.org/ad/2002-20-03.md): Ferry fuel tank (tank) electrostatic ground connector · Effective Nov 6, 2002
- [AD 2002-15-08](https://openairdocs.org/ad/2002-15-08.md): Cargo Hooks · Effective Sep 6, 2002
- [AD 2002-06-04](https://openairdocs.org/ad/2002-06-04.md): Tail Rotor Hub Pitch Change Plate "SNR" Bearing · Effective Apr 24, 2002
- [AD 2002-03-52](https://openairdocs.org/ad/2002-03-52.md): Adhesive Bead and the Metal Bushing Bonded on Each STARFLEX Star Arm End · Emergency AD · Effective Apr 4, 2002 · Supersedes AD 2002-02-51
- [AD 2001-26-55](https://openairdocs.org/ad/2001-26-55.md): Blade Skin of Trailing Edge Tab · Emergency AD · Effective Feb 26, 2002
- [AD 2001-17-32](https://openairdocs.org/ad/2001-17-32.md): Tail Rotor Pitch Change Spider Assembly · Effective Oct 4, 2001 · Supersedes AD 99-24-18
- [AD 2001-04-14](https://openairdocs.org/ad/2001-04-14.md): Fuselage Frame · Effective Apr 10, 2001 · Supersedes AD 85-14-06 R1
- [AD 2000-20-19](https://openairdocs.org/ad/2000-20-19.md): Main Rotor Head · Effective Nov 20, 2000 · Supersedes AD 86-15-10 R2
- [AD 2000-16-52](https://openairdocs.org/ad/2000-16-52.md): Fairing Heat Shield · Emergency AD · Effective Sep 29, 2000
- [AD 2000-10-09](https://openairdocs.org/ad/2000-10-09.md): Circuit Breaker · Effective Jun 26, 2000
- [AD 2021-13-03](https://openairdocs.org/ad/2021-13-03.md): Fuel Control/Turbine Engines · Effective Aug 13, 2021
- [AD 2018-12-01](https://openairdocs.org/ad/2018-12-01.md): Engine Fuel and Control · Effective Sep 12, 2018 · Supersedes AD 2012-03-11
- [AD 2016-25-13](https://openairdocs.org/ad/2016-25-13.md): Engine accessory gearbox (AGB) · Effective Feb 3, 2017 · Supersedes AD 2016-04-12
- [AD 2015-13-04](https://openairdocs.org/ad/2015-13-04.md): Engine accessory gearbox (AGB) · Effective Sep 1, 2015 · Supersedes AD 2014-19-05
- [AD 2014-12-05](https://openairdocs.org/ad/2014-12-05.md): HMU drive gear shaft · Effective Aug 4, 2014 · Supersedes AD 2007-10-07
- [AD 2014-07-06](https://openairdocs.org/ad/2014-07-06.md): Hydromechanical metering unit · Effective May 15, 2014 · Supersedes AD 2007-19-09 R1
- [AD 2012-18-18](https://openairdocs.org/ad/2012-18-18.md): Gas generator (GG) turbine blade · Effective Oct 24, 2012 · Supersedes AD 2011-13-05
- [AD 2012-08-18](https://openairdocs.org/ad/2012-08-18.md): PT Blade Rupture · Effective May 30, 2012
- [AD 2009-09-03 R1](https://openairdocs.org/ad/2009-09-03-R1.md): Uncommanded in-flight engine shutdown · Effective Nov 1, 2010 · Supersedes AD 2009-09-03
- [AD 2009-08-08 R1](https://openairdocs.org/ad/2009-08-08-R1.md): PT Blades · Effective May 7, 2010 · Supersedes AD 2009-08-08
- [AD 2009-01-11](https://openairdocs.org/ad/2009-01-11.md): Hydro Mechanical Unit (HMU) low fuel pressure switch · Effective Feb 27, 2009
- [AD 2007-10-06](https://openairdocs.org/ad/2007-10-06.md): Cases of flameout · Effective May 29, 2007
- [AD 2005-25-13](https://openairdocs.org/ad/2005-25-13.md): Tree turbine shield · Effective Dec 28, 2005
- [AD 2003-03-12](https://openairdocs.org/ad/2003-03-12.md): Bleed Valve · Effective Mar 7, 2003
- [AD 2025-06-04](https://openairdocs.org/ad/2025-06-04.md): Main Rotor Gearbox · Historical · Effective May 9, 2025 · Replaced by AD 2026-12-03
- [AD 2023-01-04](https://openairdocs.org/ad/2023-01-04.md): Tail Rotor Head · Historical · Effective Mar 8, 2023 · Replaced by AD 2026-09-15
- [AD 2022-11-08](https://openairdocs.org/ad/2022-11-08.md): Electrical Power System, Aircraft Fuel System, Hydraulic Power System, Doors, Fuselage Structure, Main Rotor System, Main Rotor Drive System, Tail Rotor System, Tail Rotor Drive System, Rotorcraft Flight Control · Historical · Effective Jul 8, 2022 · Replaced by AD 2026-12-09
- [AD 2021-23-13](https://openairdocs.org/ad/2021-23-13.md): Ground Proximity System · Historical · Effective Dec 9, 2021 · Replaced by AD 2023-11-07
- [AD 2021-20-16](https://openairdocs.org/ad/2021-20-16.md): Vertical Stabilizer, Spar/Rib · Historical · Effective Nov 22, 2021 · Replaced by AD 2025-24-04
- [AD 2021-11-25](https://openairdocs.org/ad/2021-11-25.md): Engine Fuel Control/Turbine Engines · Historical · Effective Jul 29, 2021 · Replaced by AD 2022-05-02
- [AD 2021-05-02](https://openairdocs.org/ad/2021-05-02.md): Main Rotor System · Historical · Effective Apr 16, 2021
- [AD 2021-04-15](https://openairdocs.org/ad/2021-04-15.md): Vertical Stabilizer, Spar/Rib · Historical · Effective Mar 23, 2021 · Replaced by AD 2021-20-16
- [AD 2021-03-16](https://openairdocs.org/ad/2021-03-16.md): Passenger/Crew Doors · Historical · Effective Mar 3, 2021 · Replaced by AD 2021-03-16 R1
- [AD 2020-24-07](https://openairdocs.org/ad/2020-24-07.md): Engine Control System Wiring · Historical · Effective Jan 12, 2021 · Replaced by AD 2025-18-13
- [AD 2018-26-02](https://openairdocs.org/ad/2018-26-02.md): Engine Control System Wiring · Historical · Effective Jan 30, 2019 · Replaced by AD 2020-24-07
- [AD 2018-18-12](https://openairdocs.org/ad/2018-18-12.md): Engine Air Intake System · Historical · Effective Sep 25, 2018 · Replaced by AD 2019-16-16
- [AD 2018-15-02](https://openairdocs.org/ad/2018-15-02.md): Tail Rotor Control System · Historical · Effective Aug 3, 2018 · Replaced by AD 2021-05-09
- [AD 2018-01-12](https://openairdocs.org/ad/2018-01-12.md): Main Hydraulic System · Historical · Effective Feb 20, 2018 · Replaced by AD 2018-01-12 R1
- [AD 2017-16-04](https://openairdocs.org/ad/2017-16-04.md): Cabin Equipment/Furnishings · Historical · Effective Sep 22, 2017 · Replaced by AD 2020-09-02
- [AD 2016-25-19](https://openairdocs.org/ad/2016-25-19.md): Engine controls · Historical · Effective Feb 2, 2017 · Replaced by AD 2018-26-02
- [AD 2015-22-53](https://openairdocs.org/ad/2015-22-53.md): Main Hydraulic System · Historical · Effective Dec 16, 2015 · Replaced by AD 2018-01-12
- [AD 2015-22-52](https://openairdocs.org/ad/2015-22-52.md): Main Hydraulic System · Historical · Replaced by AD 2015-22-53
- [AD 2015-17-01](https://openairdocs.org/ad/2015-17-01.md): Tail Rotor · Historical · Effective Sep 24, 2015 · Replaced by AD 2015-17-01 R1
- [AD 2014-07-52](https://openairdocs.org/ad/2014-07-52.md): Rotorcraft Tailboom · Historical · Effective Jun 25, 2014 · Replaced by AD 2016-05-06
- [AD 2013-21-01](https://openairdocs.org/ad/2013-21-01.md): Tail Rotor · Historical · Effective Oct 25, 2013 · Replaced by AD 2015-17-01
- [AD 2013-15-03](https://openairdocs.org/ad/2013-15-03.md): Hydraulic Pump, Main · Historical · Effective Aug 8, 2013 · Replaced by AD 2017-22-05
- [AD 2012-25-04](https://openairdocs.org/ad/2012-25-04.md): Tail Rotor · Historical · Effective May 9, 2013 · Replaced by AD 2014-05-10
- [AD 2012-21-51](https://openairdocs.org/ad/2012-21-51.md): Tail Rotor · Historical · Replaced by AD 2012-25-04
- [AD 2011-22-05](https://openairdocs.org/ad/2011-22-05.md): Tail rotor control system · Historical · Effective Nov 25, 2011 · Replaced by AD 2011-22-05 R1
- [AD 2010-21-07](https://openairdocs.org/ad/2010-21-07.md): Engine Control System Wiring · Historical · Effective Nov 18, 2010 · Replaced by AD 2016-25-19
- [AD 2010-21-01](https://openairdocs.org/ad/2010-21-01.md): Fuselage Misc. Structure · Historical · Effective Oct 29, 2010 · Replaced by AD 2013-23-10
- [AD 2003-25-01](https://openairdocs.org/ad/2003-25-01.md): Hoist operator control unit · Historical · Effective Jan 20, 2004 · Replaced by AD 2021-14-07
- [AD 2003-22-06](https://openairdocs.org/ad/2003-22-06.md): Tail rotor pitch control rod (control Rod) · Historical · Effective Dec 3, 2003 · Replaced by AD 2011-22-05
- [AD 2002-02-51](https://openairdocs.org/ad/2002-02-51.md): Metal bushing and the STARFLEX star arm end (arm end) · Historical · Replaced by AD 2002-03-52
- [AD 2001-26-53](https://openairdocs.org/ad/2001-26-53.md): Servocontrols · Historical · Effective Feb 6, 2002 · Replaced by AD 2003-22-11
- [AD 99-24-18](https://openairdocs.org/ad/99-24-18.md): Tail Rotor Spider Plate Bearing · Historical · Effective Dec 15, 1999 · Replaced by AD 2001-17-32
- [AD 89-21-01](https://openairdocs.org/ad/89-21-01.md): Main Rotor Swash Plate Bearing · Historical · Effective May 3, 1990 · Replaced by AD 2004-05-23
- [AD 86-15-10 R1](https://openairdocs.org/ad/86-15-10-R1.md): Main Rotor Arms & Gearbox Bars · Historical · Effective Mar 22, 1990 · Replaced by AD 86-15-10 R2
- [AD 85-14-06 R1](https://openairdocs.org/ad/85-14-06-R1.md): Fuselage Tailboom Interface · Historical · Effective Sep 12, 1985 · Replaced by AD 2001-04-14
- [AD 2016-04-12](https://openairdocs.org/ad/2016-04-12.md): Engine accessory gearbox (AGB) · Historical · Effective Apr 14, 2016 · Replaced by AD 2016-25-13
- [AD 2014-19-05](https://openairdocs.org/ad/2014-19-05.md): Engine accessory gearbox (AGB) · Historical · Effective Nov 5, 2014 · Replaced by AD 2015-13-04
- [AD 2012-03-11](https://openairdocs.org/ad/2012-03-11.md): High-pressure/low-pressure (HP/LP) pump hydro-mechanical metering units (HMUs) · Historical · Effective Mar 20, 2012 · Replaced by AD 2018-12-01
- [AD 2011-13-05](https://openairdocs.org/ad/2011-13-05.md): Gas Generator (GG) Turbine Blade · Historical · Effective Aug 12, 2011 · Replaced by AD 2012-18-18
- [AD 2007-19-09 R1](https://openairdocs.org/ad/2007-19-09-R1.md): Pressure relief valve · Historical · Effective Jul 7, 2010 · Replaced by AD 2014-07-06
- [AD 2010-03-06](https://openairdocs.org/ad/2010-03-06.md): Fuel pump · Historical · Effective Mar 11, 2010 · Replaced by AD 2012-03-11
- [AD 2009-09-03](https://openairdocs.org/ad/2009-09-03.md): Turbine blade · Historical · Effective Jun 1, 2009 · Replaced by AD 2009-09-03 R1
- [AD 2007-19-09](https://openairdocs.org/ad/2007-19-09.md): Constant delta pressure valve · Historical · Effective Oct 3, 2007 · Replaced by AD 2007-19-09 R1
- [AD 2007-10-07](https://openairdocs.org/ad/2007-10-07.md): HP/LP pump assembly drive shaft · Historical · Effective May 29, 2007 · Replaced by AD 2014-12-05
- [AD 2007-03-14](https://openairdocs.org/ad/2007-03-14.md): Hydro-mechanical metering unit (HMU) · Historical · Effective Feb 20, 2007 · Replaced by AD 2007-19-09
- [AD 2006-21-10](https://openairdocs.org/ad/2006-21-10.md): Splines of high-pressure (HP) pump drive gear shaft · Historical · Effective Nov 24, 2006 · Replaced by AD 2007-10-07

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT d.ad_number, d.status, d.subject, d.effective_date, m.matched_by
FROM (
  SELECT ad_id, min(rank) AS rank, arg_min(matched_by, rank) AS matched_by
  FROM (SELECT ad_id, 1 AS rank, 'airframe' AS matched_by FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_directive.parquet' WHERE aircraft_model_code = '8680954'
    UNION ALL SELECT ad_id, 2, 'engine' FROM 'https://openairdocs.org/data/latest/faa_engine_model_directive.parquet' WHERE engine_model_code = '60056')
  GROUP BY ad_id
) m JOIN 'https://openairdocs.org/data/latest/faa_directive.parquet' d USING (ad_id)
ORDER BY d.status = 'Historical', m.rank, coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC
```

This list as a web page: https://openairdocs.org/aircraft/N555VT/ads

---
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