# STCs that may be installed: Douglas DC9-15 A list on [Douglas DC9-15](https://openairdocs.org/model/douglas-dc9-15.md). In force first, then newest. The registry doesn’t record which STCs an aircraft has. Page 1 of 6 · 259 STCs - [STC SA2622NM](https://openairdocs.org/stc/SA2622NM.md): Installation of Precise Flight Pulselite Control Unit in landing/taxi system. (767-200 B17) (DHC-8 101) · Precise Flight Inc. - [STC ST00030IB](https://openairdocs.org/stc/ST00030IB.md): Installation of Test Tech ELT · APTOZ EHF - [STC ST09181AC](https://openairdocs.org/stc/ST09181AC.md): Installation of main landing gear spotlights · The Boeing Company - [STC ST03885AT](https://openairdocs.org/stc/ST03885AT.md): Installation of an Avionica, Inc. avCM Cellular Module · Aircraft Systems and Manufacturing Inc. - [STC SA2040NM](https://openairdocs.org/stc/SA2040NM.md): Installation of closet and windscreen. · Safran Cabin Inc. - [STC SA2130NM](https://openairdocs.org/stc/SA2130NM.md): Installation of the Extended spacial concept interior(ESCI) retrofit kit. · Safran Cabin Inc. - [STC SA3469NM](https://openairdocs.org/stc/SA3469NM.md): Installation of Closet/Stowage Compartments/Coat Compartment/ Coatroom. · Safran Cabin Inc. - [STC SA3494NM](https://openairdocs.org/stc/SA3494NM.md): Installation of auxiliary galley. · Safran Cabin Inc. · Lists DC-9 Series - [STC ST01336LA](https://openairdocs.org/stc/ST01336LA.md): Installation of a reinforced cockpit door. · Safran Cabin Inc. - [STC SA3165NM](https://openairdocs.org/stc/SA3165NM.md): Installation of Floor Proximity Emergency Escape Path Marking System. · Bruce Aerospace Inc. - [STC ST00092LA](https://openairdocs.org/stc/ST00092LA.md): Instalation of interior fluorescent cabin lighting system. · Bruce Aerospace Inc. - [STC ST00069AT](https://openairdocs.org/stc/ST00069AT.md): Installation of a Fairchild Digital or Sundstrand Universal expanded parameters digital flight data recorder · Acron Aviation Inc. - [STC ST01518NY](https://openairdocs.org/stc/ST01518NY.md): Installation of Flight Systems Cabin Surveillance System (CSS). · Acron Aviation Inc. - [STC ST02472AT](https://openairdocs.org/stc/ST02472AT.md): Installation of a mini Quick Access Recorder (QAR) model MKI, MKII, or MKIII · Aircraft Systems and Manufacturing Inc. - [STC ST00984CH](https://openairdocs.org/stc/ST00984CH.md): Installation of Rockwell Collins FPI-955 Electronic Horizontal Situation Indicators (EHSI). · Amphenol Cable and Interconnect Technologies Inc. - [STC ST01017CH](https://openairdocs.org/stc/ST01017CH.md): Installation of an AlliedSignal CAS-81 TCAS II System with dual AlliedSignal Mode S Transponders. · Amphenol Cable and Interconnect Technologies Inc. - [STC ST01019CH](https://openairdocs.org/stc/ST01019CH.md): Installation of a Rockwell Collins GNLS-910 GPS Flight Management System. · Amphenol Cable and Interconnect Technologies Inc. - [STC ST01167CH](https://openairdocs.org/stc/ST01167CH.md): Installation of an AlliedSignal MK-VII Enhanced Ground Proximity Warning System. · Amphenol Cable and Interconnect Technologies, Inc. - [STC ST01404CH](https://openairdocs.org/stc/ST01404CH.md): Installation of Universal Avionics System Corporation Multi-Function Display. · Amphenol Cable and Interconnect Technologies, Inc. - [STC ST01818CH](https://openairdocs.org/stc/ST01818CH.md): Installation of a Honeywell Enhanced Ground Proximity Warning System. · Amphenol Cable and Interconnect Technologies, Inc. - [STC ST01887CH](https://openairdocs.org/stc/ST01887CH.md): Installation of GPS antenna provisions. · Amphenol Cable and Interconnect Technologies, Inc. - [STC ST01936WI](https://openairdocs.org/stc/ST01936WI.md): Installation of LED lights · AeroLED's Holdings LLC - [STC ST02770SE](https://openairdocs.org/stc/ST02770SE.md): Installation of an Improved Radio Altimeter System · AeroMech Incorporated - [STC ST02876AT](https://openairdocs.org/stc/ST02876AT.md): Installation of a Free Flight Model 2101 I/O Approach Plus Global Positioning System (GPS), Universal Model MFD 640 Multi-function Display (MFD), and Provisions for an Aviation Communication & Surveillance Systems (ACSS) Terrain & Traffic Collision Avoidance System (TTCAS) · Woven Electronics, LLC - [STC ST00098IB](https://openairdocs.org/stc/ST00098IB.md): Introduction of ADS-B Out · STC Twenty One Limited - [STC ST02896AT](https://openairdocs.org/stc/ST02896AT.md): Installation of a Kannad Model 406-AF Emergency Locator Transmittter (ELT). · Woven Electronics LLC - [STC ST03735AT](https://openairdocs.org/stc/ST03735AT.md): Installation of a LED Indirect Cabin Lighting System · Woven Electronics LLC - [STC SA2534SW-D](https://openairdocs.org/stc/SA2534SW-D.md): Replacement of Switch assembly Int'l Inflatables Co. P/N 68748, with DME Corp. P/N L-140 in emergency evacuation slide lighting system. · Astronics Luminescent Systems Inc · Lists DC-9 Series - [STC SA2539SW-D](https://openairdocs.org/stc/SA2539SW-D.md): Replacement of light assembly, International Inflatables Co. P/N68555-1 with DME Corp. EL-104, EL-104A, and EL-104B in emergency slide lighting system. · Astronics Luminescent Systems Inc · Lists DC-9 Series - [STC SA863EA](https://openairdocs.org/stc/SA863EA.md): Incorporation of DME Corporation emergency evacuation slide lighting system · Astronics Luminescent Systems Inc · Lists DC-9 Series - [STC ST02929AT](https://openairdocs.org/stc/ST02929AT.md): Installation of an Artex Model C406-1 Emergency Locator Transmitter (ELT). · Woven Electronics LLC - [STC ST03838AT](https://openairdocs.org/stc/ST03838AT.md): Installation of an Universal Avionics Application Server Unit (ASU) System Class II Electronic Flight Bag (EFB) · Technical Aero Services Inc - [STC SA1220NW](https://openairdocs.org/stc/SA1220NW.md): Installation of Universal flight data recorder. · Honeywell International Inc - [STC SA3201SO](https://openairdocs.org/stc/SA3201SO.md): Installation of the Mark VII ground proximity and windshear warning system. · Honeywell International Inc - [STC SA5920NM](https://openairdocs.org/stc/SA5920NM.md): Installation of 980-4100-HQUS Flight Data Recorder and Penny and Giles Quick Access Recorder in accordance with Document 755-3024, Rev. New-1, or later FAA approved revision. · Honeywell International Inc - [STC ST00074AT](https://openairdocs.org/stc/ST00074AT.md): Installation of a Bendix/King Mode S transponder. · Honeywell International Inc - [STC ST00075AT](https://openairdocs.org/stc/ST00075AT.md): Installation of a CAS-81 TCAS II. · Honeywell International Inc - [STC ST01828AT](https://openairdocs.org/stc/ST01828AT.md): Installation of a RTA-83A VHF Communication System. · Honeywell International Inc - [STC SA3748SW](https://openairdocs.org/stc/SA3748SW.md): Installation of heat exchanger assembly (P/N 184060). · Honeywell International Inc. - [STC SA4398SW](https://openairdocs.org/stc/SA4398SW.md): Modification of air to air heat exchanger (P/N 179450-2-2 or194110-1). · Honeywell International Inc. · Lists DC-9 Series - [STC SA640NW](https://openairdocs.org/stc/SA640NW.md): Installation of contemporary deep rack interior. · Safran Cabin Inc. - [STC ST00939LA](https://openairdocs.org/stc/ST00939LA.md): Installation of passenger entertainment system. · Burrana Inc. · Lists DC-9 Series - [STC ST04450AT](https://openairdocs.org/stc/ST04450AT.md): Installation of the dual Rockwell Collins TPR-901, ADS-B out capable trasnponder system and dual GPS-4000S position sensor · Avionics Support Group Inc. - [STC ST03574AT](https://openairdocs.org/stc/ST03574AT.md): Installation of a Talon Aerospace Anti-Collision Light · Aaxico Technical Services Inc. - [STC ST04002AT](https://openairdocs.org/stc/ST04002AT.md): Installation of a Talon LED Replacement Wing and Tail Mounted Anti-Collision Lights · Aaxico Technical Services Inc. - [STC ST04177AT](https://openairdocs.org/stc/ST04177AT.md): Installation of a Talon Aerospace LED Replacement General Purpose Lamps · Aaxico Technical Services Inc. - [STC SA2410NM](https://openairdocs.org/stc/SA2410NM.md): Installation of a Hughes-Avicom Audio Tape Reproducer · Burrana Inc. · Lists DC-9 Series - [STC SA4817NM](https://openairdocs.org/stc/SA4817NM.md): Installation of standard windshear systems. · Honeywell International Inc - [STC SA8047NM](https://openairdocs.org/stc/SA8047NM.md): Installation of Honeywell Digital air data computer (DADC). · Honeywell International Inc - [STC ST02635LA](https://openairdocs.org/stc/ST02635LA.md): Modification to replace the existing Mode S Transponder system with the ACSS NXT-600 Mode S Transponder with ADS-B Out · Aviation Communication and Surveillance Systems (ACSS) LLC Next page: https://openairdocs.org/model/douglas-dc9-15/stcs.md?page=2 ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql SELECT s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model FROM ( SELECT stc_number, min(matched_model) AS matched_model FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_stc.parquet' WHERE aircraft_model_code IN ('3022036') GROUP BY stc_number ) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number) ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_number ``` This list as a web page: https://openairdocs.org/model/douglas-dc9-15/stcs --- 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.