Cessna 421A
STCs that may be installed · 232
In force first, then newest. The registry doesn’t record which STCs an aircraft has.
Query with SQL
duckdb -csv -c "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 ('2076012')
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"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
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 ('2076012')
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_numberRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
STC SA01933LA-DInstallation of Garmin Model 400W / 500W Series GPS-WAAS Navigation SystemSTC SA01935LAInstallation of external aft body strakes.STC SA02212AKReplacement of existing landing and/or taxi light reflector and bulbs with high intensity discharge (HID) lighting systemsSTC SA2586NMInstallation of J.P. Instruments temperature monitoring systems.STC SA18NWInstallation of Fowler flaps, flap actuated drooped ailerons, flap actuated elevator trim and anti- servo rudder trim tab.STC SA01114CHInstallation of P2 Incorporated 6600 Audio Advisory systemSTC SA00343BOInstallation of a single configuration or a dual configuration Avidyne Corporation Integrated Flight Display, Model IFD540 loaded with Release 10.0 software (or later FAA approved release)STC SA09774ACReplacement of certain Goodrich pneumatic deicer bootsSTC SA2514CEInstallation of wing nacelle locker tanks and fuel transfer system.STC SA00352BO PAGE 1Installation of an Avidyne Corporation Mode A/C/S Transponder with ADS-B Out capability, Model AXP340 loaded with Version 3.13 software (or later FAA approved version),STC SA01734SEApplication of Stewart Systems synthetic fabric covering system to aircraft fuselage, wings, tail surfaces, control surfaces and related parts.STC SA1048GLInstall Egan Aviation air ambulance stretcher P/N 125 using Installation Kit P/N 801.STC SA02239SEInstallation of a Skymech rear spar replacement kitSTC SA00780SEInstallation of the True Lock Safety Retention Axle Lock Nut SystemSTC SA01118WIInstallation of the Concorde FLA or VRSLA RG series batteriesSTC SA4553SWInstallation of Brittain Model NAV Flite IV Model BI-825 system or B5C Model BI826 systemSTC SA11172SCInstallation of an ADS600-B Automatic Dependent Surveillance-Broadcast (ADS-B) Universal Access Transceiver (UAT) and Global Positioning System (GPS) antennaSTC SA00149BOInstallation of Aircraft Components, Inc. Volt and Vac Alert System, P/N 2044-1STC SA00944CHReplace Janitrol combustion heater Model 81D94-X (XX) with C&D Associates combustion heater Model CD25K, CD35K, and CD45KSTC SA02547ATInstallation of a Voice Alert System.STC SA03658ATInstallation of a Voice Alert System to incorporate as primary annunciators for stall and gear warningsSTC SA02119SE PAGE 1Installation of Garmin GDL 88 ADS-B UAT Transceiver SystemSTC SA01969SEInstallation of a Mid-Continent MD302 Standby Attitude ModuleSTC SA574NWInstallation of forward facing white lights, (100 Watts) and clear plastic wing tip tank nose cone and associated systemsSTC SA01229SE PAGE 1Installation of GNS 480 (CNX80) GPS WAAS Navigator with integrated VHF Navigation and Communication radiosSTC SA02442AK PAGE 1Approval of the L-3 Communications NGT 2000/2500 ADS-B systemSTC SA01933LA-D PAGE 1Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation
SystemSTC SA01669CHInstallation of Challenger Reusable Air FilterSTC SA02930NYInstallation of Insight Instrument Corporation Graphic Engine Monitor (GEM 610C) models G3, G2, and G1 and 1200C model G4 as primary Cylinder Head Temperature (CHT), Exhaust Gas Temperature (EGT), and Turbine Inlet Temperature (TIT) InstrumentsSTC SA02003NYReplacement of certain Goodrich pneumatic deicer bootsSTC SA02283SE PAGE 2Installation of Electronics International Inc. Glass Panel Engine Monitor (with In Flight Data) CGR-30PSTC SA02402SE PAGE 1Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data) CGR-30CSTC SA02121SEInstallation of Garmin GTS 825 (TAS) or GTS 855 (TCAS I) Traffic SystemSTC SA00269BOInstallation of Avidyne Corporation TWX 670 Tactical Weather Detection System P/N 850-00026-000-( ) consisting of Avidyne Processor P/N 700-00033-000-( ), Sensor Systems Inc. Antenna P/N S72-1715-1 with doubler plate P/N S72-171530-1, and Avidyne Mounting Tray P/N 700-00034-000.STC SA02717NY PAGE 2Installation of VoiceFlight Systems LLC VFS101 Speech Recognition ModuleSTC SA1776WEInstallation of Brittain Industries Model B-5 Flight Control SystemSTC SA1146SOInstallation of nose cone erosion cap.STC SA00432SEInstallation of EGT 701 series fuel flow instrument.STC SA00861SEInstallation of J.P. Instruments (JPI) fuel flow indicating systemSTC SA02825NY PAGE 1Installation of Aerospace Logic Aircraft InstrumentsSTC SA01692SEInstallation of a Garmin GMX 200 Multi-Function DisplaySTC SA03148NYThe installation of the Latitude Technologies Corporation S100 Tracking SystemSTC SA01487SE-DInstallation of a GDL 69 or GDL 69A XM Satellite ReceiverSTC SA00281BOInstallation of Avidyne Corporation MLX770 MultiLink Broadcast Transceiver P/N 700-00163-( ), Sensor Systems Inc. Antenna P/N S67-1575-109, or equivalent, and optional Avidyne Mounting Tray P/N 700-00165-000STC SA2440SWInstallation of airstair door saver.STC SA2404WEConsolidation of STC s SA355CE and SA362CE into one STC having a Master Eligibility List and amendment of these STC s to include and improved Power Supply Assembly and Subchassis Timer Assembly for the Twilighter MK III high intensity supplementary lighting system in accordance with the applicable FAA sealed drawing listed on the attached sealed Master Eligibility List Number SA2404WE.STC SA362CEDescription of Type Design Change: Install Hoskins Twilighter MK III per Installation Manual and Specification Sheets as amended, dated September 20, 1965. Install Hoskins Twilighter MK IIIB Supplemental Lights per the following required data: Models 310 through 310F and 320 Specification Sheets P/N 65-0025-5 with drawings listed; Models 310G through N and 320-1 through F Specification Sheets P/N 65-0025-6 with drawings listed; Models 401, 401A and 402 Specification Sheets P/N 65-0025-9 with drawing listed; Models 411 and 411A Specification Sheets P/N 65-0025-7 with drawings listed; and Models 421 and 421A Specification Sheets P/N 65-0027-8 with drawings listed.STC SA00243BOInstallation of Centurion Consulting, Inc. GPS Steering Assist Module (SAM) with roll steering (p/n 0025-5100), or without roll steering (p/n 0025-5200).STC SA00103WIInstallation of a heated windshield panelSTC SA00068SEInstallation of fuel flow/pressure instruments. (W/TSIO-360-MB1)
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