N856KB
STCs that may be installed · 254
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 = '3021458')
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 = '3021458') 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
Run 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-S1C3G
STC SA3-25Installation of short exhaust stack (simplified version).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 ST10818SCONE ONLY STC, SN 20401: Supplemental Type Certificate (STC) for reduction of an in flight cabin seating arrangement accommodating a maximum of 16 passengers on DOUGLAS Model DC3C-S1C3G, Serial Number 20401STC ST00165DEInstallation Of Oilamatic Preoiler system.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.