N340LZ

STCs that may be installed · 374

Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do. In force first, then newest.

Query with SQL
duckdb -csv -c "SELECT m.matched_by, s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model
  FROM (
    SELECT stc_number, min(side) AS side, arg_min(matched_by, side) AS matched_by, arg_min(matched_model, side) AS matched_model
    FROM (SELECT stc_number, 1 AS side, 'airframe' AS matched_by, matched_model FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_stc.parquet' WHERE aircraft_model_code = '2076404'
      UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '17040')
    GROUP BY stc_number
  ) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number)
  ORDER BY m.side, 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.

Airframe · Cessna 340

STC SA02717NYInstallation of VoiceFlight Systems LLC VFS101 Speech Recognition ModuleVoiceFlight Systems LLCSTC ST01085LAInstallation of the VNS 1000 Voice Navigation System.VNS IncorporatedSTC SA00281BO PAGE 1Installation 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 700-00165-000Avidyne CorporationSTC SA02153LAInstallation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) System.Garmin AT Inc.STC SA01933LAInstallation of Garmin Model 400W / 500W Series GPS-WAAS Navigation SystemGarmin AT Inc.STC SA5796SWInstallation of Alcor Tru-Flow indicating system, or SDI Hoskins fuel flow indicating system, or Silver Instruments Fueltron fuel flow indicating system.RAM Aircraft Limited PartnershipSTC SA01229SEInstallation of CNX80 GPS WAAS Navigator with integrated VHF Navigation and Communication radios.UPS Aviation TechnologiesSTC SA09574SCInstallation of RAM Series VII 335 horsepower (hp) series, increase takeoff weight to 6,390 pounds, andincrease landing weight to 6,075 pounds.RAM Aircraft Limited PartnershipSTC SA09971SCInstallation of Hartzell model PHC-C3YF-2UF/FC7693DF or PHC-C3YF-2UF/FC7693DFB propellers which are limited to aircraft previously approved to install 78-inch diameter props and have Tel Con Motors TSIO-520 series engines with maximum rated power from 285 hp to 350 hp. Also compatible with aircraft having TCM TSIO-520 engines modified by STC SE09261SC, SE09104SC, or SE4327SW for rated power increase.RAM Aircraft Limited PartnershipSTC SA7382SWInstallation of TCM TSIO-520N or NB engines (modified by STC SE3714SW). Increase takeoff weight to 6140 pounds; landing weight remains at 5975 pounds. Installation of McCauley 3AF32C93/82NC-6.0, or McCauley 3AF32C505/82NEA-6.0 propellers. Props shall be installed in matched pairs.RAM Aircraft Limited PartnershipSTC SA8055SWInstallation of intercooler scoop.RAM Aircraft Limited PartnershipSTC SA8604SWIncrease maximum takeoff weight to 6390 pounds and maximum landing weight to 6075 pounds. RAM 335 hp engines, RAM p/n 1498-3 intercooler scoop and RAM vortex generators must be installed per STC SA8055SW.RAM Aircraft Limited PartnershipSTC SA8981SWInstallation of McCauley 3AF32C515/82NLA-4.0 propellers. Limited to Cessna 340 models modified by STC SA2346SW.RAM Aircraft Limited PartnershipSTC SA2350NMInstallation of Electronics International Inc digital carburetor/outside air temperature gauges listed on the attached continuation sheet and the associated accessories.Electronics International

Engine · Continental TSIO-520 series

STC SE0417CHTurbo-normalizationWestern Skyways Aircraft Modifications Inc. · Lists TSIO-520-CSTC SE2599NMInstallation of an air intercooler in the engine induction system downstream of the turbocharger.Western Skyways Aircraft Modifications Inc. · Lists TSIO-520-CSTC SE3248NMInstallation of air to air intercooler in engine induction system.Western Skyways Aircraft Modifications Inc. · Lists TSIO-520-CSTC SE3782NMInstallation of an intercooler in the engine air induction system.Western Skyways Aircraft Modifications Inc. · Lists TSIO-520-MSTC SE2529NMInstallation of an air to air intercooler in the engine induction system downstream of the turbocharger.Western Skyways Aircraft Modifications Inc. · Lists TSIO-520-AFSTC SE3932NMInstallation of an intercooler in the engine air induction system.Western Skyways Aircraft Modifications Inc. · Lists TSIO-520-RSTC SE5583SWInstallation of fuel flow transducers (true-flow totalizer).Alcor LLCSTC SE04349CHInstallation of SureFly electronic ignitionSureFly Partners Ltd. · Lists TSIO-520-ASTC SE02352CHInstallation of Challenger cleanable oil filter assemblyChallenger Aviation Products Inc. · Lists TSIO-520-ASTC SE5009NMInstallation of a modified exhaust system.Aerospace Welding Minneapolis Inc. · Lists TSIO-520-CSTC SE03309CHInstallation of Engine Preheat Kit, p/n TSP6CYL-2927-115 for 115 volt applicationHartzell Propeller Inc. · Lists TSIO-520-ASTC SE57WEInstallation of two (2) Roto-Master 3DT5FF10J2, P/N 600572-00 (formerly Rajay Model No. 315F10 P/N RJ0080-100, -101, or - 102) turbochargersTALCO Aviation · Lists TSIO-520-DSTC SE04577CHInstall an electronic engine ignition systemElectroair Acquisition Corp · Lists TSIO-520-ASTC SE09356SCInstall F & M Enterprises' Model C6LC, C6LC-S or C6LC-L oil filter adapter for a spin-on oil filterStratus Tool Technologies LLC · Lists TSIO-520-ASTC SE4988NMRemove turbocharger and fuel injection system and install carburetor.North Point Aviation · Lists TSIO-520-CSTC SE96WEInstallation of oil fitting(AN-823-5D) in rocker box cover.Airwolf Filter Corporation · Lists TSIO-520-ASTC SE09908ACConversion of Continental Motors, Inc. (CMI) model TSIO-520-UB to RAM model IO-550-B-RA engineRAM Aircraft Limited Partnership · Lists TSIO-520-UBSTC SE00113SEReplaces Teledyne-Continental Part Number 646277 lifter bodiesB & B Aviation LLC · Lists TSIO-520-BSTC SE5784NMReplacement of Teledyne Continental original camshaft.B & B Aviation LLC · Lists TSIO-520-AFSTC SE5785NMReplacement of Teledyne Continental original camshaft with P/N 32122-2.B & B Aviation LLC · Lists TSIO-520-BSTC SE03415CHThe turbo-normalization of Continental Motors engine models IO-520-A, -F, -J, and -L, TSIO-520-C, -G, -H, -M, and -R, and IO-550-F and L for installation into Cessna 206, 207 & 210 aircraftDERS Group Svc LLC · Lists TSIO-520-CSTC SE70RMInstallation of compressor bracketAir Comm Corporation · Lists TSIO-520-ASTC SE09637SCRemove existing rocker arm assemblies and install modify rocker arm assemblies.General Aviation Modifications Inc. · Lists TSIO-520-ASTC SE1462CEInstallation of SSP Products P/N 3208672-91 heater core and P/N 3208677-104 shroud.Textron Aviation Inc · Lists TSIO-520-TSTC SE2393NMInstallation of a magneto pressurization kit assembly and associated system for Bendix Models S6RN-1201 and 1205, and SLICK Models 662, 680, 6210 and 6220.Turboplus Aircraft Systems, Inc. · Lists TSIO-520-AFSTC SE1186SWRegrooving of pistons P/N 631475 or P/N 632585Continental Motors, Inc. · Lists TSIO-520-ASTC SE2340SWInstallation of modified cylinder assemblies, barrels, piston, and repaired crankcases.Continental Motors, Inc. · Lists TSIO-520-ASTC SE5820SWInstallation of Airmotive exhaust valve, P/N AEC-637781.Continental Motors, Inc.STC SE8776SWInstallation of coated cylinders and piston rings.Continental Motors, Inc.STC SE04117CHConversion of Continental Motors engine models TSIO-520-C, -G, -H, -M & -R to the naturally aspirated IO-520-A, -F, -J & -LWestern Skyways · Lists TSIO-520-CSTC SE3330NMContinental valve cover gasketReal Gaskets Tennessee · Lists TSIO-520-BSTC SE00081LAModification of induction system.TC SKYROCKET LLC · Lists TSIO-520-NBSTC SE09280SC-DModify engine in accordance with RAM Aircraft Corporation Drawing No. 1888.RAM Aircraft Limited Partnership · Lists TSIO-520-BSTC SE09281SC-DModify engine in accordance with RAM Aircraft Corporation Drawing Number 1891.RAM Aircraft Limited Partnership · Lists TSIO-520-BSTC SE3632SW-DInstallation of induction hose clamps.RAM Aircraft Limited Partnership · Lists TSIO-520-BSTC SE09016SC-DModify IAW RAM Drawing No. 1742.RAM Aircraft Limited Partnership · Lists TSIO-520-BE
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