# Airworthiness directives that may apply: Boeing / Dehavilland DHC-8-103

A list on [Boeing / Dehavilland DHC-8-103](https://openairdocs.org/model/boeing-dehavilland-dhc-8-103.md).

Matched by model name and maker. Each AD’s applicability may narrow it by serial number, part number or configuration.

- [AD 2026-11-06](https://openairdocs.org/ad/2026-11-06.md): Hardware; Standard practices/structures · Effective Jul 9, 2026
- [AD 2026-13-02](https://openairdocs.org/ad/2026-13-02.md): Navigation · Effective Jul 1, 2026
- [AD 2021-19-11](https://openairdocs.org/ad/2021-19-11.md): Flight controls · Effective Nov 18, 2021
- [AD 2019-12-17](https://openairdocs.org/ad/2019-12-17.md): Stabilizers · Effective Aug 12, 2019
- [AD 2018-23-04](https://openairdocs.org/ad/2018-23-04.md): Engine Controls · Effective Mar 15, 2019
- [AD 2018-20-12](https://openairdocs.org/ad/2018-20-12.md): Ice and rain protection · Effective Nov 23, 2018
- [AD 2017-15-11](https://openairdocs.org/ad/2017-15-11.md): Landing Gear · Effective Sep 5, 2017
- [AD 2017-08-02](https://openairdocs.org/ad/2017-08-02.md): Ignition · Effective May 17, 2017
- [AD 2016-24-06](https://openairdocs.org/ad/2016-24-06.md): Ice and rain protection · Effective Jan 12, 2017
- [AD 2016-24-01](https://openairdocs.org/ad/2016-24-01.md): Electrical Power · Effective Dec 30, 2016
- [AD 2016-10-07](https://openairdocs.org/ad/2016-10-07.md): Electrical power · Effective Jun 23, 2016
- [AD 2015-21-02](https://openairdocs.org/ad/2015-21-02.md): Electrical Power · Effective Nov 24, 2015
- [AD 2015-14-03](https://openairdocs.org/ad/2015-14-03.md): Fuel · Effective Aug 21, 2015
- [AD 2015-04-08](https://openairdocs.org/ad/2015-04-08.md): Landing Gear · Effective Apr 27, 2015 · Supersedes AD 2014-06-08
- [AD 2013-15-06](https://openairdocs.org/ad/2013-15-06.md): Electrical Power · Effective Oct 20, 2014
- [AD 2014-15-07](https://openairdocs.org/ad/2014-15-07.md): Wings · Effective Sep 2, 2014
- [AD 2014-13-18](https://openairdocs.org/ad/2014-13-18.md): Instruments, Engine Controls · Effective Aug 19, 2014
- [AD 2014-05-17](https://openairdocs.org/ad/2014-05-17.md): Fuel · Effective May 2, 2014
- [AD 2013-22-04](https://openairdocs.org/ad/2013-22-04.md): Flight controls · Effective Dec 5, 2013
- [AD 2013-16-12](https://openairdocs.org/ad/2013-16-12.md): Nacelles/pylons · Effective Sep 24, 2013
- [AD 2013-14-09](https://openairdocs.org/ad/2013-14-09.md): Landing gear · Effective Sep 10, 2013 · Supersedes AD 2012-14-04
- [AD 2013-04-07](https://openairdocs.org/ad/2013-04-07.md): Electrical Power · Effective Apr 9, 2013
- [AD 2012-15-16](https://openairdocs.org/ad/2012-15-16.md): Landing gear · Effective Sep 12, 2012
- [AD 2012-04-08](https://openairdocs.org/ad/2012-04-08.md): Flight controls · Effective Apr 10, 2012
- [AD 2012-05-07](https://openairdocs.org/ad/2012-05-07.md): Engine Controls · Effective Apr 4, 2012
- [AD 2011-21-08](https://openairdocs.org/ad/2011-21-08.md): Equipment/Furnishings · Effective Nov 23, 2011
- [AD 2011-21-04](https://openairdocs.org/ad/2011-21-04.md): Doors · Effective Nov 16, 2011 · Supersedes AD 2006-12-16
- [AD 2011-09-12](https://openairdocs.org/ad/2011-09-12.md): Windows · Effective Jun 6, 2011
- [AD 2011-01-09](https://openairdocs.org/ad/2011-01-09.md): Oxygen · Effective Feb 9, 2011
- [AD 2010-21-02](https://openairdocs.org/ad/2010-21-02.md): Landing gear · Effective Nov 12, 2010
- [AD 2010-05-12](https://openairdocs.org/ad/2010-05-12.md): Wings · Effective Apr 13, 2010
- [AD 2010-04-12](https://openairdocs.org/ad/2010-04-12.md): Landing Gear, Standard Practices/Structures, Doors, Fuselage, Nacelles/Pylons, Stabilizers and Wings. · Effective Apr 8, 2010
- [AD 2008-09-25 R1](https://openairdocs.org/ad/2008-09-25-R1.md): Fuel · Effective Dec 10, 2009 · Supersedes AD 2008-09-25
- [AD 2009-21-03](https://openairdocs.org/ad/2009-21-03.md): APU full- authority digital controller (FADEC) · Effective Nov 20, 2009
- [AD 2009-06-21](https://openairdocs.org/ad/2009-06-21.md): Fuselage spoiler cable · Effective Apr 28, 2009
- [AD 2008-26-03](https://openairdocs.org/ad/2008-26-03.md): Electronic strike system of the cockpit doo · Effective Apr 13, 2009
- [AD 2008-13-09](https://openairdocs.org/ad/2008-13-09.md): Fuel tank bonding jumpers · Effective Sep 17, 2008
- [AD 2008-04-17](https://openairdocs.org/ad/2008-04-17.md): Observer utility light system · Effective Apr 3, 2008
- [AD 2007-23-04](https://openairdocs.org/ad/2007-23-04.md): Elevator spring tab mechanism · Effective Dec 11, 2007
- [AD 2007-21-16](https://openairdocs.org/ad/2007-21-16.md): Spolier cable · Effective Nov 21, 2007
- [AD 2007-12-01](https://openairdocs.org/ad/2007-12-01.md): Main landing gear (MLG) shock strut · Effective Jul 10, 2007
- [AD 2007-06-19](https://openairdocs.org/ad/2007-06-19.md): Main landing gear (MLG) and nose landing gear (NLG) handle assemblies for alternate release and the MLG retaining plate. · Effective Apr 27, 2007
- [AD 2007-04-22](https://openairdocs.org/ad/2007-04-22.md): Electrical cable harness assembly. · Effective Apr 3, 2007
- [AD 2007-01-11](https://openairdocs.org/ad/2007-01-11.md): Flight compartment door · Effective Mar 5, 2007 · Supersedes AD 99-08-04
- [AD 2006-20-04](https://openairdocs.org/ad/2006-20-04.md): Inspection of chain assemblies of elevator trim system · Effective Nov 2, 2006
- [AD 2006-17-17](https://openairdocs.org/ad/2006-17-17.md): Rivets on left and right control column torque tube assemblies · Effective Sep 29, 2006
- [AD 2006-17-10](https://openairdocs.org/ad/2006-17-10.md): Fluorescent light tube assemblies of the cabin, lavatory, and sidewall · Effective Sep 27, 2006
- [AD 2005-13-35](https://openairdocs.org/ad/2005-13-35.md): Flight idle stop · Effective Sep 26, 2005 · Supersedes AD 2000-02-13
- [AD 2005-13-38](https://openairdocs.org/ad/2005-13-38.md): Longitudinal skin joints in the fuselage pressure shell · Effective Aug 9, 2005
- [AD 2005-11-10](https://openairdocs.org/ad/2005-11-10.md): Brake shuttle valves · Effective Jul 12, 2005
- [AD 2005-10-08](https://openairdocs.org/ad/2005-10-08.md): Control columns of the flight controls · Effective Jun 21, 2005
- [AD 2005-07-17](https://openairdocs.org/ad/2005-07-17.md): Static pressure system · Effective May 12, 2005
- [AD 2004-24-03](https://openairdocs.org/ad/2004-24-03.md): Internal o-ring seal · Effective Jan 3, 2005
- [AD 2004-20-03](https://openairdocs.org/ad/2004-20-03.md): Wing leading edge de-icer boots · Effective Nov 3, 2004
- [AD 2004-18-10](https://openairdocs.org/ad/2004-18-10.md): Fuel tank access covers · Effective Oct 13, 2004
- [AD 2004-15-09](https://openairdocs.org/ad/2004-15-09.md): Auxiliary power unit (APU) · Effective Aug 31, 2004
- [AD 2004-14-18](https://openairdocs.org/ad/2004-14-18.md): Left and right aileron tab actuator arm channels · Effective Aug 17, 2004
- [AD 2004-13-10](https://openairdocs.org/ad/2004-13-10.md): Wardrobe shelf assembly · Effective Aug 3, 2004
- [AD 2004-09-31](https://openairdocs.org/ad/2004-09-31.md): Engine Oil Coolers · Effective Jun 15, 2004
- [AD 2004-03-14 R1](https://openairdocs.org/ad/2004-03-14-R1.md): Rear Spar Fittings Between the Flex Shaft of the Flap Secondary Drive and the Wing-to-Fuselage Structure · Effective May 26, 2004 · Supersedes AD 2004-03-14
- [AD 2004-05-21](https://openairdocs.org/ad/2004-05-21.md): Flap Actuator · Effective Mar 25, 2004
- [AD 2004-03-15 R1](https://openairdocs.org/ad/2004-03-15-R1.md): Electrical wires in the cable trough below the cabin floor · Effective Mar 19, 2004 · Supersedes AD 2004-03-15
- [AD 2004-03-28](https://openairdocs.org/ad/2004-03-28.md): Autopilot clutch assembly · Effective Mar 17, 2004
- [AD 2003-25-05](https://openairdocs.org/ad/2003-25-05.md): Rear mount strut assemblies · Effective Jan 22, 2004 · Supersedes AD 94-04-09
- [AD 2003-17-13](https://openairdocs.org/ad/2003-17-13.md): Elevator stop bumpers · Effective Oct 7, 2003
- [AD 2003-14-22](https://openairdocs.org/ad/2003-14-22.md): No. 3 electrical equipment panel · Effective Aug 22, 2003
- [AD 2002-16-10](https://openairdocs.org/ad/2002-16-10.md): Airstair (main passenger) door · Effective Sep 26, 2002
- [AD 2002-12-11](https://openairdocs.org/ad/2002-12-11.md): Hook Roller Shafts · Effective Jul 31, 2002
- [AD 2002-06-06](https://openairdocs.org/ad/2002-06-06.md): Rockwell Collins TDR-94 and TDR-94D Mode S transponders · Effective May 3, 2002
- [AD 2002-01-25](https://openairdocs.org/ad/2002-01-25.md): Rudder Pedal Adjustment Fittings · Effective Mar 6, 2002
- [AD 2001-26-23](https://openairdocs.org/ad/2001-26-23.md): Seat Latch Assembly · Effective Feb 8, 2002
- [AD 2001-24-06](https://openairdocs.org/ad/2001-24-06.md): Oil Pump Pressure Regulating Valve · Effective Jan 4, 2002
- [AD 2001-22-03](https://openairdocs.org/ad/2001-22-03.md): Oxygen Flow Control Valve · Effective Dec 3, 2001
- [AD 2001-17-23](https://openairdocs.org/ad/2001-17-23.md): Upper Wing Ladder Plates · Effective Oct 3, 2001
- [AD 2001-15-17](https://openairdocs.org/ad/2001-15-17.md): Transponder Control Panels · Effective Aug 20, 2001
- [AD 2001-13-21](https://openairdocs.org/ad/2001-13-21.md): Flight Deck Angle · Effective Aug 10, 2001
- [AD 2001-13-19](https://openairdocs.org/ad/2001-13-19.md): Fatigue Cracking of Certain Principal Structural Elements · Effective Aug 10, 2001
- [AD 2001-10-05](https://openairdocs.org/ad/2001-10-05.md): Foam Filters · Effective Jun 22, 2001
- [AD 2001-06-13](https://openairdocs.org/ad/2001-06-13.md): Main Landing Gear Selector Valve · Effective May 7, 2001
- [AD 2001-04-02](https://openairdocs.org/ad/2001-04-02.md): Wiggins Fuel Couplers · Effective Mar 28, 2001
- [AD 2000-23-27](https://openairdocs.org/ad/2000-23-27.md): Cabin Ceiling Lighting System · Effective Jan 2, 2001 · Supersedes AD 98-11-21
- [AD 2000-16-03](https://openairdocs.org/ad/2000-16-03.md): Weight and Balance Check · Effective Sep 21, 2000
- [AD 2000-11-20](https://openairdocs.org/ad/2000-11-20.md): Bonded Skin Panels · Effective Jul 18, 2000
- [AD 2000-07-23](https://openairdocs.org/ad/2000-07-23.md): Power Supply for the Thunderstorm Lights · Effective May 19, 2000
- [AD 2000-02-06](https://openairdocs.org/ad/2000-02-06.md): Beta Back-Up Test Switches of the Propeller Control System · Effective Feb 16, 2000
- [AD 2000-01-07](https://openairdocs.org/ad/2000-01-07.md): Horizontal Stabilizer · Effective Jan 27, 2000
- [AD 99-19-18](https://openairdocs.org/ad/99-19-18.md): AFM - Limitations Section - Ice Protection Sys. · Effective Dec 27, 1999
- [AD 99-23-05](https://openairdocs.org/ad/99-23-05.md): Inspect Wing Ladder Plates for Cracks · Effective Dec 17, 1999
- [AD 99-22-04](https://openairdocs.org/ad/99-22-04.md): Cabin Emergency Lights · Effective Nov 26, 1999
- [AD 99-19-37](https://openairdocs.org/ad/99-19-37.md): Uplock Actuator · Effective Oct 27, 1999
- [AD 99-19-34](https://openairdocs.org/ad/99-19-34.md): Hydraulic System Components · Effective Oct 27, 1999
- [AD 99-17-14](https://openairdocs.org/ad/99-17-14.md): Rudder Control Feel Unit · Effective Sep 24, 1999
- [AD 98-25-09](https://openairdocs.org/ad/98-25-09.md): MLG Brake Shuttle Valves · Effective Jan 14, 1999
- [AD 98-24-18](https://openairdocs.org/ad/98-24-18.md): Inspect Skin Panels of Horizontal Stabilizer · Effective Dec 8, 1998
- [AD 98-20-19](https://openairdocs.org/ad/98-20-19.md): Inspect Fuselage Structure for Corrosion · Effective Oct 28, 1998
- [AD 98-20-23](https://openairdocs.org/ad/98-20-23.md): Inspect Electrical Wiring Behind Lavatory · Effective Oct 27, 1998
- [AD 97-20-10 R1](https://openairdocs.org/ad/97-20-10-R1.md): Modification of the attitude and heading reference systems (AHRS) · Effective Sep 11, 1998
- [AD 98-14-04](https://openairdocs.org/ad/98-14-04.md): Lever Assembly of Roll Disconnect System · Effective Aug 5, 1998
- [AD 98-06-11](https://openairdocs.org/ad/98-06-11.md): Cabin/Baggage Compartment Bulkheads Block Seals · Effective Apr 17, 1998
- [AD 97-25-14](https://openairdocs.org/ad/97-25-14.md): Refuel/Defuel Tube Assemblies · Effective Jan 14, 1998
- [AD 97-13-08](https://openairdocs.org/ad/97-13-08.md): Low Fuel Pressure Switch · Effective Jul 30, 1997
- [AD 97-04-15](https://openairdocs.org/ad/97-04-15.md): Fire Extinguisher Bottle Cartridges · Effective Mar 7, 1997
- [AD 96-25-12](https://openairdocs.org/ad/96-25-12.md): Auxiliary Power Units · Effective Jan 13, 1997
- [AD 96-23-09](https://openairdocs.org/ad/96-23-09.md): Inspect Nose Landing Gear · Effective Dec 27, 1996
- [AD 96-23-17](https://openairdocs.org/ad/96-23-17.md): Inspect Skin of Fuselage for Cracks · Effective Dec 26, 1996
- [AD 95-26-15 R1](https://openairdocs.org/ad/95-26-15-R1.md): Traffic Alert and Collision Avoidance Systems · Effective Dec 26, 1996 · Supersedes AD 95-26-15
- [AD 96-20-03](https://openairdocs.org/ad/96-20-03.md): Main Landing Gear Bolts · Effective Nov 4, 1996
- [AD 88-09-05 R1](https://openairdocs.org/ad/88-09-05-R1.md): Labels Marking Lavatory · Effective Oct 21, 1996
- [AD 96-09-25](https://openairdocs.org/ad/96-09-25.md): AFM - Icing · Effective Jun 11, 1996
- [AD 96-03-09](https://openairdocs.org/ad/96-03-09.md): Battery Temperature Monitor · Effective Mar 4, 1996
- [AD 95-24-14](https://openairdocs.org/ad/95-24-14.md): Pivot Tube in Drag Strut of NLG · Effective Dec 18, 1995
- [AD 95-12-12](https://openairdocs.org/ad/95-12-12.md): Stick Shakers · Effective Jun 28, 1995
- [AD 95-09-04](https://openairdocs.org/ad/95-09-04.md): Electronic Engine Control · Effective May 30, 1995
- [AD 94-22-10 R1](https://openairdocs.org/ad/94-22-10-R1.md): Proximity Switch Electronics Unit · Effective Feb 3, 1995
- [AD 94-26-02](https://openairdocs.org/ad/94-26-02.md): PSU Printed Circuit Board & Power Supply · Effective Jan 26, 1995
- [AD 94-21-01](https://openairdocs.org/ad/94-21-01.md): Nose Wheel Steering · Effective Nov 14, 1994
- [AD 94-17-10](https://openairdocs.org/ad/94-17-10.md): Modify Firewall Block Assembly · Effective Sep 21, 1994
- [AD 94-14-03](https://openairdocs.org/ad/94-14-03.md): Water Heaters and Coffee Makers · Effective Aug 1, 1994
- [AD 94-14-18](https://openairdocs.org/ad/94-14-18.md): Hydraulic Selector Valve · Effective Jul 26, 1994
- [AD 94-01-06](https://openairdocs.org/ad/94-01-06.md): Traffic Alert and Collision Avoidance System II Processors · Effective Feb 4, 1994
- [AD 94-01-05](https://openairdocs.org/ad/94-01-05.md): Traffic Alert and Collision Avoidance System II Processors · Effective Feb 4, 1994
- [AD 94-01-04](https://openairdocs.org/ad/94-01-04.md): Traffic Alert and Collision Avoidance System · Effective Feb 4, 1994
- [AD 93-24-16](https://openairdocs.org/ad/93-24-16.md): Protective Breathing Equipment · Effective Feb 4, 1994
- [AD 93-25-02](https://openairdocs.org/ad/93-25-02.md): Flap Primary-Drive Torque Tubes · Effective Jan 19, 1994
- [AD 93-23-01](https://openairdocs.org/ad/93-23-01.md): Water Heaters and Coffee Makers · Effective Dec 7, 1993
- [AD 93-17-11](https://openairdocs.org/ad/93-17-11.md): Horizontal Stabilizer · Effective Oct 8, 1993
- [AD 93-09-13](https://openairdocs.org/ad/93-09-13.md): Aluminum Washers At Bus Bar Connections · Effective Jun 17, 1993
- [AD 93-08-08](https://openairdocs.org/ad/93-08-08.md): Microwave Landing System (MLS) Wiring/Link to Ground Proximity Warning System (GPWS) Inspection · Effective May 26, 1993
- [AD 93-07-06](https://openairdocs.org/ad/93-07-06.md): Inboard Flaps Inspection · Effective May 14, 1993
- [AD 93-06-07](https://openairdocs.org/ad/93-06-07.md): Quantity Limiting Valves · Effective May 12, 1993
- [AD 93-07-05](https://openairdocs.org/ad/93-07-05.md): Pilot and Co-Pilot Seats · Effective May 10, 1993
- [AD 93-04-02](https://openairdocs.org/ad/93-04-02.md): Transponders · Effective Mar 26, 1993
- [AD 91-26-02](https://openairdocs.org/ad/91-26-02.md): AFM Changes - Engine Bleed Air · Effective Dec 23, 1991
- [AD 91-09-51](https://openairdocs.org/ad/91-09-51.md): Oxygen Lines · Effective Jul 29, 1991
- [AD 91-08-04](https://openairdocs.org/ad/91-08-04.md): Pilot and Co-Pilot Seats · Effective May 6, 1991
- [AD 90-20-21](https://openairdocs.org/ad/90-20-21.md): Cowl Doors · Effective Oct 26, 1990
- [AD 90-09-08](https://openairdocs.org/ad/90-09-08.md): Crew Seats · Effective May 29, 1990
- [AD 90-08-05](https://openairdocs.org/ad/90-08-05.md): Emergency Lights Circuit Breaker · Effective May 4, 1990
- [AD 90-06-13](https://openairdocs.org/ad/90-06-13.md): Vertical Gyro · Effective Mar 30, 1990
- [AD 88-03-51 R1](https://openairdocs.org/ad/88-03-51-R1.md): AFM Changes - Nose Gear · Effective Mar 19, 1990
- [AD 90-02-04](https://openairdocs.org/ad/90-02-04.md): Main Landing Gear · Effective Feb 12, 1990
- [AD 90-02-03](https://openairdocs.org/ad/90-02-03.md): Flap Track · Effective Feb 9, 1990
- [AD 90-01-03](https://openairdocs.org/ad/90-01-03.md): Attitude and Heading Reference System · Effective Feb 5, 1990
- [AD 89-23-15](https://openairdocs.org/ad/89-23-15.md): Feathering System · Effective Dec 11, 1989
- [AD 89-20-08](https://openairdocs.org/ad/89-20-08.md): Wardrobe Door · Effective Oct 30, 1989
- [AD 89-19-02](https://openairdocs.org/ad/89-19-02.md): Engine Fire Extinguishing System · Effective Sep 19, 1989
- [AD 89-14-52](https://openairdocs.org/ad/89-14-52.md): Flaps Torque Tubes · Effective Aug 21, 1989
- [AD 85-14-51 R2](https://openairdocs.org/ad/85-14-51-R2.md): AFM Limitations -- Lightning · Effective Jun 9, 1989
- [AD 88-24-51](https://openairdocs.org/ad/88-24-51.md): Elevator Control System · Effective Jan 27, 1989
- [AD 88-12-51 R1](https://openairdocs.org/ad/88-12-51-R1.md): AFM Changes -- Engine Shutdown · Effective Dec 12, 1988
- [AD 88-18-02](https://openairdocs.org/ad/88-18-02.md): Engine Starter-Generator · Effective Sep 2, 1988
- [AD 88-10-02](https://openairdocs.org/ad/88-10-02.md): AFM Change -- Limitations Section · Effective May 18, 1988
- [AD 87-06-02](https://openairdocs.org/ad/87-06-02.md): Electronic Flight Instrument Systems Symbol Generators · Effective May 11, 1987
- [AD 86-25-03](https://openairdocs.org/ad/86-25-03.md): Elevator Trim Tab · Effective Jan 12, 1987
- [AD 86-16-51](https://openairdocs.org/ad/86-16-51.md): Main Landing Gear · Effective Oct 20, 1986
- [AD 86-14-01](https://openairdocs.org/ad/86-14-01.md): Attitude Heading Reference System · Effective Jul 14, 1986
- [AD 2014-06-08](https://openairdocs.org/ad/2014-06-08.md): Landing gear · Historical · Effective Apr 14, 2014 · Replaced by AD 2015-04-08
- [AD 2012-14-04](https://openairdocs.org/ad/2012-14-04.md): Landing gear · Historical · Effective Aug 27, 2012 · Replaced by AD 2013-14-09
- [AD 2006-12-16](https://openairdocs.org/ad/2006-12-16.md): Structural testing of the cockpit door · Historical · Effective Jul 18, 2006 · Replaced by AD 2011-21-04
- [AD 74-08-09 R2](https://openairdocs.org/ad/74-08-09-R2.md): Waste Receptacles · Historical · Effective Jul 29, 1996 · Replaced by AD 74-08-09 R3

## 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
FROM 'https://openairdocs.org/data/latest/faa_directive.parquet' d
WHERE d.ad_id IN (SELECT ad_id FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_directive.parquet' WHERE aircraft_model_code IN ('1386005'))
ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC
```

This list as a web page: https://openairdocs.org/model/boeing-dehavilland-dhc-8-103/ads

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain, except the copies of manufacturers’ service documents, which belong to their rights holders.