TCDS A-723
STCs approved under this data sheet · 281
Current certificates first, most recently changed first.
Query with SQL
duckdb -csv -c "SELECT s.stc_number, s.description, s.holder, s.status, s.status_date FROM 'https://openairdocs.org/data/latest/faa_stc.parquet' s WHERE s.stc_number IN (SELECT stc_number FROM 'https://openairdocs.org/data/latest/faa_stc_model.parquet' WHERE tcds_number = 'A-723') 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.
SELECT s.stc_number, s.description, s.holder, s.status, s.status_date FROM 'https://openairdocs.org/data/latest/faa_stc.parquet' s WHERE s.stc_number IN (SELECT stc_number FROM 'https://openairdocs.org/data/latest/faa_stc_model.parquet' WHERE tcds_number = 'A-723') ORDER BY 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.
STC SA4-273Installation of heat-shroud, propeller anti-icing alcohol tank, and modified DC-3 exhaust system.STC SA4-274Outer wing fuel tanks, revised fuel system, change in angle of incidence of horizontal stabilizer one degree and installation of fuselage horizontal stabilizer fairing.STC SA4-275Installation of PacAero wing tip.STC SA4-281Horizontal stabilizer angle of incidence change.STC SA4-28360154 stabilizer tip.STC SA4-29Radar nose for Bendix C-Band, Bendix X-Band or RCA C-Band.STC SA4-307Lear L-102A automatic pilot.STC SA4-366Horizontal stabilizer tip, rudder spring tab, Learstar tail cone, elevator spring tab, Goodyear wheels and brakes, modification of wing trailing edge and reducing flap travel, change of stabilizer incidence.STC SA4-368Picture window.STC SA4-425Modification per STC SA4-69 except gross weight modification per Dwg. 600030B, engine per Dwg. 606399 and DCN-1, picture window per STC SA-368 and pilot seat per STC SA4-397.STC SA4-58Oil tank assembly for increased oil supply.STC SA4-59Cockpit seats.STC SA4-644Lear L-5B autopilot.STC SA4-71Rudder spring tab assembly.STC SA4-715Westinghouse air brake AH-5 decelostat anti-skid unit.STC SA4-732Alternate fuel source on aircraft with Wright Cyclone engines with flow meter installation.STC SA4-738Modification to 'Learstar' (NOTE12 of Aircraft Spec A-723) except installation of Wright R1820-56A, -66, or -72A engines as per Dwg. 606327 DCN B-15.STC SA4-838Sperry A-12 autopilot.STC SA47WEInterior and equipment installation.STC SA3-316Installation of South Wind 8240 heater.STC SA1785NMInstallation of a de-icing operational placard.STC SA1490NMInstallation of two Wright R1820-76B engines (per Aircraft Specification A-723, Note 12) on an aircraft previously modified by STC SA4-69STC SA718NWInstallation of seat tracks in main cabin floorSTC SA2-57Installation of surface combustion heater.STC ST892SORemoval of main cabin door. (Lockheed 18 -56)STC ST868SORemoval of main cabin door. (Lockheed 18 -56)STC SA4-216Picture window.STC SA4-217Main cabin floor structure.STC SA4-397Structural installation of flight line 24 P-001 seat.STC SA4-69Lockheed Model 18 modified to Learstar Mark II configuration.STC SA4-72Radar nose for Bendix C-Band, Bendix X-Band, or RCA C-Band.STC SA78GLInstall second static pressure system.STC SA69GLInstall emergency lighting system. (LOCKHEED 18 (Howard 250))STC SA4-137Installation of exhaust collector assembly including carburetor heater muff on Wright R1820-56A.STC SA4-223Installation of exhaust collector assembly including carburetor heat muff. (Learjet)STC SA4-57Rework of outer wing panel for348 gallon integral fuel tank.STC SA4-973Pitot - static system.STC SA1744WEInstallation of oil filter assemblies.STC SA2718WEInstallation of intermixed engines, Wright R1820-76A and Wright 987C9HD1 engines. (Learstar)STC ST594SOInstallation of 19 passenger interior and Type III emergency. (Lockheed 18 Learstar ONLY)STC SA2375WERemoval of main cabin door for the purpose of sport parachutingSTC SA1-419RCA 5-inch AVQ-50 indicator and underseat mount.STC SA1-99Modification of three-place divan to four-place divan.STC SA1-58Picture windows.STC SA1-87South Wind cabin heater 940.STC SA215WEPilot's seat and seat tracks.STC SA224EAElectrically heated windshield.STC SA3-4Seat in forward compartment stations 147 to 188.STC SA3-444Two ARDL-7A-115-29 relative danger lights under each wing tip.STC SA3-49Two Eclipse 200-amphere generators (P-1), P/N 30E07-11.
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