N256TC
STCs that may be installed · 256
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 = '1152736'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '41536')
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.
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 = '1152736'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '41536')
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_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.
Airframe · Beech 56TC
STC SA1565SWInstallation of Mitchell automatic flight system model AK408 consisting of Century II auto-pilot with optional radio coupler.STC SA617SWInstallation of Mitchell automatic flight system Model AK194 consisting of Century III auto-pilot with optional automatic pitch trim system, automatic aileron stabilizer and radio coupler.STC SA742SWInstallation of Mitchell automatic flight system Model AK196consisting of Century II autopilot with optional automatic aileron stabilizer and radio coupler.STC SA2190NM PAGE 1Installation of electronics International Digital Volt/Amp Gauges and Accessories.STC SA4833SWInstallation of Texas Instruments Model TI9100 Loran CSTC SA15GLInstallation of radome kit No. 3064X.STC SA4208WEInstallation of DTL-1000, -1001,and/or -1002/3 autopilot adapters for the Edo-Aire Mitchell Century III autopilot.STC SA2953SWAddition of Hydro Seal Fluid Additive to the landing gear shock struts.STC SA991EAInstallation of 'Tel-Tail' logo lights.STC SA3680WEInstallation of centerline external air skeg.STC SA1345CEChrome plated brake disc installation.STC SA453SOInstallation of Bendix Model FCS 810 automatic flight control system including manual electric trim and optional flight director indicator.STC SA2569WEInstallation of battery temperature monitor system.STC SA40GLInstallation of Norton Company radome kit No. 3064X-R-500 for 10-inch RCA AVQ 45, 46, 47, and the 12-inch King KWX-40 radar antennas.STC SA1041CEReplace existing nickel- cadmium battery with lead- acid battery.STC SA1675WEInstallation of exhaust gas temperature monitoring systems EGT-2.STC SA1497SWInstallation of Sombra screen kitsSTC SA482EAInstallation of Radome Kit No.3064X-R-500 for 10-inch RCA AVQ-45, AVQ-46, and AVQ-47radar antenna.STC SA798EAInstallation of Monitair exhaust gas combustion monitor kit.STC SA383SOInstallation of Bendix M-4C auto-pilot flight control system.STC SA713CEConversion of wing tips to integral fuel tanks.STC SA00765DE PAGE 1Installation of Automatic Dependent Surveillance Broadcast (ADS-B) Out functionality using the BendixKing KT74 Transponder and qualified position sensorSTC SA02153LA-DInstallation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) SystemSTC SA02717NYInstallation of VoiceFlight Systems LLC VFS101 Speech Recognition ModuleSTC SA01435DEInstallation of engines, modified with a Firewall Forward Technologies.STC ST01085LAInstallation of the VNS 1000 Voice Navigation System.STC SA00281BO PAGE 2Installation 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 SA02153LAInstallation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) System.STC SA01933LAInstallation of Garmin Model 400W / 500W Series GPS-WAAS Navigation SystemSTC SA2350NMInstallation of Electronics International Inc digital carburetor/outside air temperature gauges listed on the attached continuation sheet and the associated accessories.
Engine · Lycoming TI0-541 series
STC SE04349CHInstallation of SureFly electronic ignitionSTC SE02352CHInstallation of Challenger cleanable oil filter assemblySTC SE03309CHInstallation of Engine Preheat Kit, p/n TSP6CYL-2927-115 for 115 volt applicationSTC SE01436LAInstallation of Firewall Forward Technologies LLC modified camshaftSTC SE04577CHInstall an electronic engine ignition systemSTC SE01966WIUse of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft enginesSTC SE8628SWInstallation of oil nozzles for lubrication of cam and filters.STC SE01714SEInstall valve push rod seals Part Number CB-15 and retainer rings Part Number CB-14.STC SE01716SEInstall one engine set (12) CB-15861 valve lifters.STC SE8776SWInstallation of coated cylinders and piston rings.STC SE00218NYReplacement of Lycoming starter with SKY-TEC 12 volt starter installed.STC SE00226NYReplacement of Lycoming starter with SKY-TEC 24-volt starter Models 149-24HT and 122-24HT. Approval limited to 24-volt DC source available to the starter.STC SE00357NYReplacement of Lycoming starter with SKY-TEC 24-volt starter installed.STC SE00584DEInstallation of modified Oil Filter Adapter, an increased opening pressure spring for filter bypass, and modified filter stud.STC SE1779NMInstallation of Precise Flight, Inc. Standby Vacuum System SVS IIISTC SE3350NMInstallation of American Aviation intercooler and associated systems.STC SE09492SCInstallation and usage of Exxon 20W50 multigrade aircraft engine oil conforming to Exxon Oil formulation WS-3013.STC SE00350SEInstallation of sump mounted chip detector.STC SE7674SWGrind nitrided cylinder barrels plus .010 over size pistons, to .010 and install SL10545P10 SL74241P10 compression rings and SL73857P10 Oil Control rings.STC SE8023SWInstallation and usage of AEROSHELL