Cessna 340

STCs that may be installed · 264

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 ('2076404')
    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.

STC SA3485WEInstallation of Continental TSIO-520-N or TSIO-520-NB engines and increase takeoff power to 310 h.p.Riley Aircraft CorpSTC SA1626NM PAGE 1Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series)Electronics InternationalSTC SA5159NMInstallation of chip detector system.Northwest Aircraft IncSTC SA7171SW-DInstallation of S-TEC system 60 two axis automatic flight guidance system, Model ST-429, with optional automatic electric trim system.S-TEC CorporationSTC SA7148SW-DInstallation of S-TEC System 65 two axis automatic flight guidance system, Model ST-405.S-TEC CorporationSTC SA7149SW-DInstallation of S-TEC yaw damper system, Model ST-406.S-TEC CorporationSTC SA2844CEInstallation of a plastic cap enclosure over the anti-collision strobe light system.Air Transport IncSTC SA1447GLInstallation of on-board engine analyzer system.Masten Products IncSTC SA3610WEInstallation of Silver Instruments Fueltron IIIG or IIIP fuel flow and totalizer system.Arnav Systems IncSTC SA103RMInstallation of exhaust turbo connector, P/N 30477-3Heliarc Welding Service Inc.STC SA2350NM PAGE 1Installation of Electronics International Inc digital carburetor/outside air temperature gaugesElectronics InternationalSTC SA4721NMInstallation of SynCon alarm system.SynCon IncSTC SA4024NMReplace the standard Cessna oil drain plug with a Bogert Aviation quick drain.Bogert AviationSTC SA4376NMInstallation of Spoilers, Inc. electric/hydraulic operated wing spoiler system.Spoilers IncSTC SA2423CEInstallation of Med-Flite, Inc. P/N 4001-201 or 4001-202 stretchers.Med-Flite, IncSTC SA3862NM PAGE 1Installation of Electronics International Primary TIT/EGT/CHT instruments, remote switches and associated accessories.Electronics InternationalSTC SA4166NMInstallation of Fairchild voltage regulator No. UA78 GUIC to replace the original voltage regulator in Cessna turn coordinator P/N 0661003-0506.Malkasian PaulSTC SA128GLReplace existing asbestos or bellows exhaust seal with slip joint.Aircraft Welding CoSTC SA660WEInstallation of HRD-type fire extinguishing system. (AND STC SA111WE)Pacific ScientificSTC SA3560NMInstallation of ARNAV Systems FC-10/FT-10 digital fuel flow indicating system. (340 WITH CONT. TSIO-520-J ENGINES PER STC SA1881SW)Arnav SystemsSTC SA55GLInstall Airborne wing and tail pneumatic deice kit 710. (340 -0001 AND ON)Parker Hannifin CorpSTC SA2960NMInstall 'stay put' (seat position locking device).B & D Safety Lok CompanySTC SA544GLInstallation of a Shadin Company fuel flow indicating system.Shadin AvionicsSTC SA1881SWInstall Continental TSIO-520-J engine and increase take-off power to 310 h.p.Riley Aircraft CorpSTC SA1979SWInstallation of in-line fuel pumps for auxiliary tanks.Riley Aircraft CorpSTC SA1441SWInstallation of Mitchell Automatic Flight System Model AK367 consisting of Century III Autopilot with optional Automatic Pitch Trim, Radio Coupler, and Glide Slope CouplerCentury Flight Systems IncSTC SA1442SWInstallation of Mitchell Automatic Flight System Model FD/AP2S2-367 consisting of Flight Director/Autopilot with Automatic Electric TrimCentury Flight Systems IncSTC SA1494SWInstallation of Mitchell flight director remote annunciator Model AK375.Century Flight Systems IncSTC SA3043SW-DInstallation of Mitchell automatic flight system model AK525 consisting of a Century IV autopilot or model AK525FD consisting of a Century IV flight director autopilot with optional remote annuciator.Century Flight Systems IncSTC SA3044SW-DInstallation of Mitchell automatic flight system model YK526 consisting of yaw damper system.Century Flight Systems IncSTC SA1418SOReplacement of rotor vanes in Airborne 211CC and 212CW vacuum pumps. (See limitations)Aircraft Products Supply Co IncSTC SA2190NM PAGE 1Installation of electronics International Digital Volt/Amp Gauges and Accessories.Electronics InternationalSTC SA664GLInstall Cleveland Conversion Kit P/N 199-76, revision E.Aircraft Wheel & Brake DivSTC SA2655SWAddition of Hydro seal fluid additive to nose and main gear shock struts.Granville Lasseter/dba Granville's Aircraft Strut SealantSTC SA3231WEInstallation of recognition light assembly on horizontal stabilizer.DeVore Aviation Corporation of America, a New Mexico CorporationSTC SA3871WEInstallation of vapor cycle air conditioning system.Dynamic Air Engr IncSTC SA193RMNew slip joint exhaust manifold.Heliarc Welding Service Inc.STC SA2905SWInstallation of AVICON TZ1 fuel flow totalizer systemAvicon Development CorporationSTC SA2906SWInstallation of AVICON AF1 fuel flow processor.Avicon Development CorporationSTC SA2386SWInstallation of S.A.F.E., EGT, CHT Systems.Avicon Development CorporationSTC SA2770SWInstallation of Cleveland heavy duty brakes.RAM Aircraft Modifications IncSTC SA1357CEChrome-plated brake disc installation.Engineering Plating & Processing, Inc.STC SA110RMModify Cessna exhaust system by replacement of the inter-cylinder expansion joints with a slip fit joint.Heliarc Welding Service Inc.STC SA502SOInstallation of Bendix FCS-810 automatic flight control system including manual electric trim and optional flight director indicator DH-841.Bendix Corporation Avionics DivSTC SA1062CEInstallation of Collins AP-107 autopilot.Collins Radio GroupSTC SA107GLConversion of oil lubricated de-ice pumps and related hardware to Airborne dry air pump 400 series conversion kits.Airborne Manufacturing CoSTC SA1642WEModification of exhaust system components.Wooley Tool & Mfg DivSTC SA3RMModification of engine exhaust stacks by replacement of expansion joint with slip fit joint.Heliarc Welding Svc IncSTC SA00765DE PAGE 1Installation of Automatic Dependent Surveillance Broadcast (ADS-B) Out functionality using the BendixKing KT74 Transponder and qualified position sensorPeregrineSTC SA02153LA-DInstallation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) SystemGarmin International Inc
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