# STCs approved under this data sheet: TCDS A1SO A list on [TCDS A1SO](https://openairdocs.org/tcds/A1SO.md). Current certificates first, most recently changed first. Page 1 of 3 · 102 STCs - [STC ST12461IB](https://openairdocs.org/stc/ST12461IB.md): Installation of Cockpit Voice Recorder with optional RIPS Upgrade · Mid- Canada Mod Center - [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 SA7757SW](https://openairdocs.org/stc/SA7757SW.md): Interior installation for 97 passengers · Lynden Air Cargo LLC - [STC ST02537LA](https://openairdocs.org/stc/ST02537LA.md): Installation of below the floor retardant tank · Coulson Aviation (USA) Inc. - [STC ST02584LA](https://openairdocs.org/stc/ST02584LA.md): Installation of Retardant Aerial Delivery System (RADS) XXL · Coulson Aviation (USA) Inc. - [STC ST02254CH](https://openairdocs.org/stc/ST02254CH.md): Installation of Honeywell Enhanced Ground Proximity Warning System and Honeywell Multi Function Radar Display · Amphenol Cable and Interconnect Technologies Inc. - [STC ST02583AK](https://openairdocs.org/stc/ST02583AK.md): Installation of Pallet Retention Aerial Delivery System (PRADS) · Lynden Air Cargo LLC - [STC ST02771AT](https://openairdocs.org/stc/ST02771AT.md): Installation of an Enhanced Ground Proximity Warning System (EGPWS) · Woven Electronics, LLC - [STC ST02773AT](https://openairdocs.org/stc/ST02773AT.md): Installation of an Global Positioning System (GPS) · Woven Electronics, LLC - [STC ST02772AT](https://openairdocs.org/stc/ST02772AT.md): Installation of a Honeywell CAS-81 Traffic Alert and Collision Avoidance System (TCAS) and a single TRA-67 Mode-S Transmitter System · Woven Electronics, LLC - [STC ST02571AK](https://openairdocs.org/stc/ST02571AK.md): Installation of the Propeller Pre-Heat System · Lynden Air Cargo, LLC - [STC ST02109CH](https://openairdocs.org/stc/ST02109CH.md): Installation of a Honeywell RESCU 406AF/AFN Emergency Locator Transmitter (ELT) System · Honeywell International Inc. - [STC ST02550AK](https://openairdocs.org/stc/ST02550AK.md): Installation of a Digital Fuel Quantity Indication System · Lynden Air Cargo LLC - [STC ST03679NY](https://openairdocs.org/stc/ST03679NY.md): Installation of the Propeller Pre-Heat System · Lynden Air Cargo LLC - [STC ST03680NY](https://openairdocs.org/stc/ST03680NY.md): Installation of the Propeller Pre-Heat System · Lynden Air Cargo LLC - [STC ST02511AK](https://openairdocs.org/stc/ST02511AK.md): Installation of aft fuselage microvanes · Lynden Air Cargo LLC - [STC ST02495LA](https://openairdocs.org/stc/ST02495LA.md): Installation of a multipurpose hatch system · R4 Integration Inc - [STC ST01162LA](https://openairdocs.org/stc/ST01162LA.md): Activation of the Enhanced Mode S Transponder function and installation of the Avionics Upgrade on the Lockheed 382G airplane · Honeywell International Inc - [STC ST00221BO](https://openairdocs.org/stc/ST00221BO.md): Installation of a BAE Systems IRCM. · BAE SYSTEMS Information and Electronic Systems Integration Inc. - [STC ST02636LA](https://openairdocs.org/stc/ST02636LA.md): Modification to upgrade the existing XS-950 Mode S Transponder system to add ADS-B Out · Aviation Communication and Surveillance Systems (ACSS) LLC - [STC SA3589SW](https://openairdocs.org/stc/SA3589SW.md): Installation of an auxiliary power unit and freon air conditioning system in each of two wing pods. · Aircraft Technical Development Inc. dba Aerocon Engineering Company - [STC ST00113AT](https://openairdocs.org/stc/ST00113AT.md): Installation of a replacement coalescer filter, P/N 21BC107. · Purolator Facet, Inc - [STC ST04367AT](https://openairdocs.org/stc/ST04367AT.md): Removal of the Existing Honeywell DL-900 or DL-950 Data Loader and Installation of the Honeywell DL-1000 Data Loader · Chippewa Aerospace Inc - [STC ST00881WI-D](https://openairdocs.org/stc/ST00881WI-D.md): Modification of a TCAS II system installation to Change 7.0 or Change 7.1 · Rockwell Collins Inc - [STC SA2929WE](https://openairdocs.org/stc/SA2929WE.md): Installation of palletized dual LTN-51 or dual LTN-72 INS or combination of either. · Northrop Grumman Systems Corporation - [STC ST03644NY](https://openairdocs.org/stc/ST03644NY.md): See STC: Attachment - ST03644NY.pdf. · First Air - [STC SA3934NM](https://openairdocs.org/stc/SA3934NM.md): Fabrication of Biegert Airborne dispersant delivery system (ADDS). · Oil Spill Response (Americas) Limited - [STC SA733CE](https://openairdocs.org/stc/SA733CE.md): Installation of cargo pallets. · Telair US LLC - [STC ST00772CH](https://openairdocs.org/stc/ST00772CH.md): Install Cargo Handling System · Telair US LLC - [STC ST427SO](https://openairdocs.org/stc/ST427SO.md): Installation of cargo rail system · Telair US LLC - [STC ST03595AT](https://openairdocs.org/stc/ST03595AT.md): Installation of a LED Anticollision Lights · B/E Aerospace Inc - [STC ST03595T](https://openairdocs.org/stc/ST03595T.md): Installation of a LED Anticollision Lights · Woven Electronics, LLC - [STC ST02524LA](https://openairdocs.org/stc/ST02524LA.md): Installation of TCAS version 7.0 · Aviation Communication and Surveillance Systems (ACSS) LLC - [STC ST02437AK](https://openairdocs.org/stc/ST02437AK.md): Installation of Software Version 6.1 on Honeywell FMZ-2000, ADS-B Out and WAAS/LPV capabilities · Lynden Air Cargo LLC - [STC ST01635WI-D](https://openairdocs.org/stc/ST01635WI-D.md): Modification of Rockwell Collins, Inc. VHF-4000 and VHF-4000E installations · Rockwell Collins Inc - [STC SA3132NM](https://openairdocs.org/stc/SA3132NM.md): Installation of a de-icing system on the Hamilton Standard P/N 554654 propeller spinner. · ROBERT W. MURRAY - [STC SA3407NM](https://openairdocs.org/stc/SA3407NM.md): Installation of a de-icing system on the Hamilton Standard P/N 560501 propeller spinner afterbody. · ROBERT W. MURRAY - [STC ST02369LA](https://openairdocs.org/stc/ST02369LA.md): : Installation of provisions for Mission System Equipment (MSE), in accordance with FAA approved BAE Master Data List, 0139A1003, Revision A, dated August 26, 2011, or later FAA approved revisions. · BAE Systems - [STC ST01202WI-D](https://openairdocs.org/stc/ST01202WI-D.md): Modification of an existing FAA approved Collins TPR-720, TPR-900 or TPR-901 Mode S transponder installation in Part 25 Aircraft using Collins Drawing Index as listed on AML No. ST01202WI-D, latest FAA approved revision. · Rockwell Collins Inc - [STC ST03600AT](https://openairdocs.org/stc/ST03600AT.md): Installation of a Wingspeed Iridium Communication Management System and Dual DAC International Electronic Flights Bags (EFBs). · Avionics Support Group Inc. - [STC ST02282LA](https://openairdocs.org/stc/ST02282LA.md): ONE ONLY STC, SN 4954: Installation of Potable Water and Waste System. · Dynamo Aviation Inc. - [STC ST01256WI-D](https://openairdocs.org/stc/ST01256WI-D.md): Modification of a Collins TPR-720, TPR-900 or TPR-901 Mode S Transponder System installation with an ATC/TCAS Control Panel to an Elementary Surveillance Compliant Collins TPR-901 Mode S Transponder System installation with a Flight ID/ATC/TCAS Control Panel in accordance with Collins Drawing Index as listed on AML No. ST01256WI-D, Revision -, or later FAA approved revision. · Rockwell Collins Inc - [STC ST00435CH-D](https://openairdocs.org/stc/ST00435CH-D.md): Installation of a Collins TCAS-94 Traffic Alert and Collision Avoidance System (TCAS-II) system. · Duncan Aviation Inc - [STC ST434CH-D](https://openairdocs.org/stc/ST434CH-D.md): Installation of Dual Trimble TNL8100 GPS Navigation Systems. · Duncan Aviation Inc - [STC SA1625WE](https://openairdocs.org/stc/SA1625WE.md): Pallet assembly provisions. · Lockheed Martin Aeronautics Company - [STC ST00224AT](https://openairdocs.org/stc/ST00224AT.md): Installation of an Expanded Parameters Digital Flight Data Recorder. · ASB Avionics - [STC ST02020NY](https://openairdocs.org/stc/ST02020NY.md): Installation of Ayles Fernie International (AFI) NIMBUS Oil Dispersant Spraying System. · Amtech Aeronautical Limited - [STC SA02365CH](https://openairdocs.org/stc/SA02365CH.md): Installation of NASI Supplemental Air-Conditioning System · National Aircraft Service Inc - [STC ST02274AK](https://openairdocs.org/stc/ST02274AK.md): Manufacture and install bulk fuel tank system. · Lynden Air Cargo LLC - [STC ST01307WI-D](https://openairdocs.org/stc/ST01307WI-D.md): Modification of a Collins TVI-920/TVI-920D Vertical Speed/TCAS Indicator installation · Rockwell Collins Inc Next page: https://openairdocs.org/tcds/A1SO/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 FROM 'https://openairdocs.org/data/latest/faa_stc.parquet' s WHERE s.stc_number IN (SELECT stc_number FROM 'https://openairdocs.org/data/latest/faa_stc_model.parquet' WHERE tcds_number = 'A1SO') ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_number ``` This list as a web page: https://openairdocs.org/tcds/A1SO/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.