# STCs approved under this data sheet: TCDS A31SO A list on [TCDS A31SO](https://openairdocs.org/tcds/A31SO.md). Current certificates first, most recently changed first. Page 1 of 2 · 81 STCs - [STC ST01305WI-D](https://openairdocs.org/stc/ST01305WI-D.md): Modification of a Collins ALT-50A or ALT-55B Radio Altimeter system installation to a Collins ALT-1000 or ALT-4000 Radio Altimeter system installation in accordance with Collins Drawing Index as listed on AML No. ST01305WI-D, Revision -, or later FAA approved revision. · Rockwell Collins Inc - [STC ST12461IB](https://openairdocs.org/stc/ST12461IB.md): Installation of Cockpit Voice Recorder with optional RIPS Upgrade · Mid- Canada Mod Center - [STC ST00885LA](https://openairdocs.org/stc/ST00885LA.md): Installation of fire extinguisher cartridges as replacements for Pacific Scientific fire extinguisher cartridges in fire extinguisher bottles. · AMETEK AMERON, LLC d/b/a MASS Systems - [STC ST00197IB](https://openairdocs.org/stc/ST00197IB.md): Installation of the Universal Quick Access Recorder (uQAR) · Flight Data Technologies Inc. - [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 ST03885AT](https://openairdocs.org/stc/ST03885AT.md): Installation of an Avionica, Inc. avCM Cellular Module · Aircraft Systems and Manufacturing Inc. - [STC SA5845NM](https://openairdocs.org/stc/SA5845NM.md): Installationof cabin interior fluorescent lighting system. · Bruce Aerospace Inc. - [STC ST104CH](https://openairdocs.org/stc/ST104CH.md): Installation of a TCAS I and optional Data Recorder Unit · 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 ST01110DE](https://openairdocs.org/stc/ST01110DE.md): Installation of a Luma Technologies Multiple Alarm Panel (MAP) · Peregrine - [STC ST00215IB](https://openairdocs.org/stc/ST00215IB.md): Installation of saf-Tglo ECO Photoluminescent Aisle Path Marking Systems · STG AEROSPACE GERMANY GmbH - [STC ST04562NY](https://openairdocs.org/stc/ST04562NY.md): Installation of saf-Tglo® SuperSeal UltraLite-X (SSUL-X) Photoluminescent Floor Proximity Emergency Escape Path Marking Systems · STG AEROSPACE GERMANY GmbH - [STC ST00098IB](https://openairdocs.org/stc/ST00098IB.md): Introduction of ADS-B Out · STC Twenty One Limited - [STC ST03022AT](https://openairdocs.org/stc/ST03022AT.md): Installation of a Sandel Model ST3400 Terrain Awareness and Warning System (TAWS). · Woven Electronics, LLC - [STC ST03375AT](https://openairdocs.org/stc/ST03375AT.md): Installation of Garmin GPS 165 TSO Global Positioning System (GPS). · Woven Electronics - [STC ST00598WI](https://openairdocs.org/stc/ST00598WI.md): Conversion of airplane from a passenger configuration to an all cargo configuration. · Worldwide Aviation LLC - [STC SA8840SW](https://openairdocs.org/stc/SA8840SW.md): Replace core assembly of AiResearch Primary/Secondary Air-to-Air Heat Exchanger, part number 194546-3 · Honeywell International Inc. - [STC SA8466SW](https://openairdocs.org/stc/SA8466SW.md): Recore of AiResearch Engine Oil Coolers Part Numbers 160282-3 and 160282-4 with LORI Core Assembly Part Number L8602548-1 · Honeywell International Inc. - [STC ST00895DE](https://openairdocs.org/stc/ST00895DE.md): Installation of the Garmin G700 TXi Avionics Suite · Peregrine - [STC ST00075WI-D](https://openairdocs.org/stc/ST00075WI-D.md): Installation of provisions for the Bendix/King CAS 66A TCAS I system. · 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 - [STC ST00007IB](https://openairdocs.org/stc/ST00007IB.md): Installation of a Honeywell Mode S Transponder model MST 67 and TCAS II model CAS 81 · Embraer Engineering & Technology Center - USA Inc. - [STC ST01805WI](https://openairdocs.org/stc/ST01805WI.md): Modification of Rockwell Collins TCAS II System Installation with DC powered TCAS Transmitter Receiver Processor · Rockwell Collins Inc - [STC ST04340NY](https://openairdocs.org/stc/ST04340NY.md): Installation of TCAS 7.1 (ACAS II) upgrade of Prior Existing TCAS 7.0 · Scandinavian Avionics Design ApS - [STC ST03089NY](https://openairdocs.org/stc/ST03089NY.md): Replacement of certain Goodrich pneumatic deicer boots · SMR Technologies 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 ST02499AK](https://openairdocs.org/stc/ST02499AK.md): Approval of the Thomas Global Systems TFD8601Active Matrix Liquid Crystal Display installed · ADS-B Technologies, LLC - [STC ST04136CH](https://openairdocs.org/stc/ST04136CH.md): Installation of a TFD-8601 EFIS (Electronic Flight Instrument System) Display · StandardAero Business Aviation Services, LLC - [STC ST03776NY](https://openairdocs.org/stc/ST03776NY.md): Modification to upgrade existing Rockwell Collins TCAS (Model: TTR-920, TTR-921, and TTR-4000) at VERSION 7.0 to Rockwell Collins TCAS (Model: TTR-921, TTR-4000, and TTR-4100) at VERSION 7.1 (ACAS II) · Scandinavian Avionics Design ApS - [STC ST01157SE](https://openairdocs.org/stc/ST01157SE.md): Installation of increased security cockpit door · Cascade Aviation Services Inc - [STC ST02600LA](https://openairdocs.org/stc/ST02600LA.md): Replacement of original SAFT 4076-9 Nickel-Cadmium battery with a Concorde RG-380E/40B or RG-380E/44 or RG-380E/46 Valve Regulated Lead Acid Battery · Concorde Battery Corporation - [STC ST02660NY-D](https://openairdocs.org/stc/ST02660NY-D.md): Installation of a Rockwell Collins TCAS-94 · B/E Aerospace Inc - [STC ST02661NY-D](https://openairdocs.org/stc/ST02661NY-D.md): Installation of a Honeywell CAS-67A TCAS 11 · B/E Aerospace Inc - [STC ST02014LA](https://openairdocs.org/stc/ST02014LA.md): Installation of Hawker 9750W0370-7 Steel Cased, 24 Volt, 43 Amp-hour, Sealed Lead Acid Battery. · Securaplane Technologies - [STC ST01713WI](https://openairdocs.org/stc/ST01713WI.md): Modification of a Rockwell Collins, Inc. AHC-85() (AHRS) installation · Rockwell Collins Inc - [STC ST02281AK](https://openairdocs.org/stc/ST02281AK.md): Installation of an increased security cockpit door · Jet Midwest Group - [STC SA5472NM](https://openairdocs.org/stc/SA5472NM.md): Installation of a Teledyne Controls Flight Data Acquisition Unit P/N 2231266-4 · Teledyne Controls - [STC ST00673WI-D](https://openairdocs.org/stc/ST00673WI-D.md): Modification of Collins VHF-22A/VHF-22B VHF COMM Receiver Transmitter with CTL-22 Control Pro Line II System Installation to a Collins VHF-22C/VHF-22D VHF COMM Receiver Transmitter with CTL-22C Control 8.33 kHz Pro Line II System installation. · Rockwell Collins Inc - [STC ST00682WI-D](https://openairdocs.org/stc/ST00682WI-D.md): Modification of Collins VHF-20/VHF-20A/VHF-20B VHF COMM Receiver Transmitter with CTL-20 Control Pro Line I System Installation to a Collins VHF-22C/VHF-22D VHF COMM Receiver Transmitter with CTL-22C Control 8.33 kHz Pro Line II System Installation in accordance with Collins Installation Instructions as listed on AML No. ST00682WI-D, Revision -, or later FAA approved revisions. · Rockwell Collins Inc - [STC SH1053NE](https://openairdocs.org/stc/SH1053NE.md): Remove existing starter-generator and install Aircraft Parts starter generator P/N 400SG135Q. · Skurka Aerospace Inc. - [STC ST02540AT-D](https://openairdocs.org/stc/ST02540AT-D.md): Installation of replacement fuel tank sealant system · FFC Manufacturing - [STC ST151CH](https://openairdocs.org/stc/ST151CH.md): Installation of strobe upper anticollision light, P/N 30-1033-53. · Honeywell International Inc. - [STC SA8815SW](https://openairdocs.org/stc/SA8815SW.md): Installation of a single Mode S Transponder with provisions for a Bendix TCAS II. · Worldwide Aviation LLC - [STC ST01142WI-D](https://openairdocs.org/stc/ST01142WI-D.md): Modification of a single or dual Collins TDR-94 or TDR-94D Mode S Transponder System installation with CTL-92 control head to a Flight ID capable Collins TDR-94 or TDR-94D Mode S Transponder System installation with CTL-92E control head. · Rockwell Collins Inc - [STC ST01468CH](https://openairdocs.org/stc/ST01468CH.md): Installation of various SMR Technologies electrical propeller deicer models. · SMR Technologies - [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 - [STC ST02990AT](https://openairdocs.org/stc/ST02990AT.md): Installation of Control Column Push-To-Talk (PTT) Switch with Gold Contacts. · Chippewa Aerospace, Inc. - [STC ST02517AT](https://openairdocs.org/stc/ST02517AT.md): Installation of Avidyne FlightMax 850 display. · Chippewa Aerospace, Inc. - [STC ST02777AT](https://openairdocs.org/stc/ST02777AT.md): Installation of a FA2100CVR Cockpit Voice Recorder (CVR). · Chippewa Aerospace, Inc. - [STC ST02778AT](https://openairdocs.org/stc/ST02778AT.md): Installation of a FA2100FDR Flight Data Recorder (FDR). · Chippewa Aerospace, Inc. Next page: https://openairdocs.org/tcds/A31SO/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 = 'A31SO') ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_number ``` This list as a web page: https://openairdocs.org/tcds/A31SO/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.