N353MM
STCs that may be installed · 246
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 = '3021456'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '99999')
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 = '3021456'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '99999')
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 · Douglas DC3C-SC3G
STC SA3-271Installation of RCA Model AVQ-50 radar.STC SA3-272Standard seat track installation for SK10187 swivel seat.STC SA3-282Installation of Generator over-heat temperature indicator system.STC SA3-294Installation of airstep door safety chair and release mechanism.STC SA3-337Nacelle modification and installation of short exhaust stacks.STC SA3-392Passenger seat installation.STC SA3-426Engine Fire Control Zones, Fire Detector Installation, Dual Fire Bottle Installation, Oil Cooler Installation, and Propeller Feathering System.STC SA3-429Typical installation of Burns Aero seat.STC SA3-445Installation of AiResearch oil cooler.STC SA3-448Installation of Cockpit side windows.STC SA3-450Passenger seat and track installation.STC SA3-462Installation of Janitrol heater.STC SA3-498Three-place divan assembly and installation.STC SA3-522Installation of a windshield carburetor propeller alcohol system.STC SA3-59Installation of cabin heater, Stewart-Warner 940-B24.STC SA3-65Bendix RDR-1 radar antenna ANT-1C installation.STC SA3-68Alternate landing light installation (Westinghouse 600W seal beam).STC SA78CECabin heater installation.STC SA1315WEInstallation of Mixture Monitor (exhaust gas temperature probe, gage and selector) in accordance with Delta Products Part Lists A-192 and A-193, or in accordance with Tri-Star Corporation Mixture Monitor Installation Instructions dated December 9, 1981, or later FAA approved revision and/or Drawing List MM-127 dated November 15, 1981, or later FAA approved revision in aircraft models listed in Master Eligibility List P-80-A-6 revised March 29, 1968, copy attached, or later FAA approved revision.STC SA1-49Installation of cockpit jump seat.STC ST00435DEReconfigure aircraft to a maximum seating of 19 passengers.STC ST00165DEInstallation Of Oilamatic Preoiler system.STC ST01390SCDescriptive data pertaining to this design change are considered inadequate for duplication in other products. This approval is limited to only the installation made to McDonnell Douglas Corporation Model DC3C-S1C3G, Serial No. 20401. Replacement of single engine carbon dioxide fire bottles with dual Halon bottles for model DC3C-S1C3G S/N 20401 only.STC ST00456DEInstallation of smokejumper side-facing restraint benches. STC SA4840NM must be installed prior. Limited to restraint bench s/n's 001 thru 030. STC SA4840NM must be installed.STC SA8075SWInstallation of fiberglass covering. (M-62 SERIES PT-19) (G-73 SCHWEIZER)STC ST01395CH-DInstallation of an AlliedSignal CAS-66A Traffic Alert and Collision Avoidance System (TCAS I).STC SA1008WEInstallation of Poly-Fiber covering material.STC ST01796CHInstall geared aileron per Basler Turbon Conversions LLC Drawing 25703 latest FAA approved revision, and Design Change Notice D-1 latest FAA approved revisions.STC SA3-425Installation of one-piece windshield, electrically heated or bird-proof.STC SA2-491Aircraft fuselage modified to incorporate enlarged windows.STC ST00452DEReconfigure aircraft to a maximum seating of 19 passengers.STC SA02168AKInstallation of hourmeter airspeed switch. For unpressurized aircraft only. Pressurized aircraft must have pressurization system deactivated.STC SA18SWInstallation of carburetor adapter.STC SA2-1071Manufacture of alcohol under wing to fuselage fillet tanks, P/N 352581, to replace Douglas alcohol tanks P/N 5161344 or 5188619, and mounting bracket P/N 352573 replacing the Douglas brackets P/N 5161873-46, -48, -52, -54 and Douglas P/N 4161884 and 4161882.STC SA2-148Install aft baggage compartment support structure.STC SA2-193Rework exhaust system.STC SA2-282The exhaust tail pipe installed.STC SA2-39The fuselage structure altered to incorporate a window between Station 492 and 506.STC SA2-43Fuselage structure modified R & L side to incorporte enlarged windows and relocation of the cabin emergency exit.STC SA2-44Altered the fuselage structure to incorporate enlarged windows.STC SA2-47The original mechanical carburetor heat valve control, R & L engine, replaced with an electric actuator for controlling the R & L engine carburetor heat valve movement.STC SA2-48Original hydraulic reservoir and support structure removed.STC SA2-51A 200 amp generator system installationSTC SA2-524Installation of R&L cockpit window.STC SA2-56The landing light mounting in each outer wing panel leading edge alteredSTC SA2-639Installation of Surface Combustion Heater, P/N A97A28 and related equipment.STC SA2-664Structural modification to nacelle aft of firewall to eliminate the exhaust trough cut out.STC SA2-708Installation of 200 amp generator system with over voltage control.STC SA2-80Installed additional structure to support Warren McArthur seat Model 192.STC SA2-868Installation of camera hole cut out in lower fuselage structure.