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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 SA2-1127Main landing gear and tail gear metering pins modified.Signature Flight Support Corporation STC SA2-1128Installation of elevator spring tab, trim tab, nose down spring and elevator bellcrank station 561Signature Flight Support Corporation STC SA2-1129Hydraulic system pressure increase to 1050 p.s.i.Signature Flight Support Corporation STC SA2-1132Installation of picture windows and/or emergency exit.Signature Flight Support Corporation STC SA2-1133Installation of integrated alcohol system.Signature Flight Support Corporation STC SA2-1136Installed a Lear rotary electric actuator No. 164EK in carburetor air control valve linkageSignature Flight Support Corporation STC SA2-1148Installation of VOR antenna on vertical finSignature Flight Support Corporation STC SA2-1158Fuel tank access port cover wing centersection L-18Signature Flight Support Corporation STC SA2-1159Installation of anti-ice systemSignature Flight Support Corporation STC SA2-1165Modification to hydraulic system.Signature Flight Support Corporation STC SA2-1166Installation of fuel system.Signature Flight Support Corporation STC SA2-1167Installation of Dual Jato.Signature Flight Support Corporation STC SA2-1170Installation of de-icer boot vacuum system.Signature Flight Support Corporation STC SA2-118Installation of short horizontal stabilizer tips and related equipment.Signature Flight Support Corporation STC SA2-1181Installation of flap speed restricting system L-18.Signature Flight Support Corporation STC SA2-128Increase incidence of horizontal stabilizer.Signature Flight Support Corporation STC SA2-129Exhaust system revised.Signature Flight Support Corporation STC SA2-130Fuel system installed.Signature Flight Support Corporation STC SA2-14Aircraft structure altered.Signature Flight Support Corporation STC SA2-1517Centersection structural rework.Signature Flight Support Corporation STC SA2-1518Rudder and aileron interconnect installation.Signature Flight Support Corporation STC SA2-1521Installation of fuel dump systems.Signature Flight Support Corporation STC SA2-1522Modification of powerplant installation.Signature Flight Support Corporation STC SA2-1523Propeller autofeathering system installation.Signature Flight Support Corporation STC SA2-1531Installation of wing tips and related equipment.Signature Flight Support Corporation STC SA2-1532Installation of stall warning system.Signature Flight Support Corporation STC SA2-154Installation of L712006-502 or503 Airspeed System.Signature Flight Support Corporation STC SA2-1553Stall warning system.Signature Flight Support Corporation STC SA2-1554Increase gross weight to 22,050 pounds takeoff and 20,500 pounds landing.Signature Flight Support Corporation STC SA2-1571Installation of PV-1 oil tank modified to 20 US gallons.Signature Flight Support Corporation STC SA2-163Installation of airspeed systemSignature Flight Support Corporation STC SA2-164Installation of Grimes rotating beacon P/N G5-790B or G-6965-2.Signature Flight Support Corporation STC SA2-185Installation of rudder spring tab.Signature Flight Support Corporation STC SA2-201A section of the forward spar inside fuselage altered.Signature Flight Support Corporation STC SA2-220Cockpit side windows enlarged and structure altered.Signature Flight Support Corporation STC SA2-238The anti-icer system altered to incorporate all anti-icer fluid into one tank rather than the original four-tank systemSignature Flight Support Corporation STC SA2-248Installation of 200 amp generator systemSignature Flight Support Corporation STC SA2-249Alter cabin windows on R.H. side of fuselage.Signature Flight Support Corporation STC SA2-250Alter cabin windows on R.H. side of fuselage.Signature Flight Support Corporation STC SA2-251Warren McArthur chair model 225 installed in cockpit for pilot and co-pilot chairs.Signature Flight Support Corporation STC SA2-27Installation of Stewart Warner Model 940 heater. (LOCKHEED 18 S/N 2548; 2588 only)Signature Flight Support Corporation STC SA2-274Installation of propeller spinner.Signature Flight Support Corporation STC SA2-277Installation of radar antenna, radome nose and fairing.Signature Flight Support Corporation STC SA2-290Installation of radio rack.Signature Flight Support Corporation STC SA2-303Installation of Sperry A-12 autopilot.Signature Flight Support Corporation STC SA2-306Installation of L-18 radome kit.Signature Flight Support Corporation STC SA2-307Installation of exhaust trough and short stack using standard nacelle.Signature Flight Support Corporation STC SA2-310Installation of auxiliary electric hydraulic pump.Signature Flight Support Corporation STC SA2-313Installation of 100,000 BTU Janitrol Heater in nose. (LOCKHEED 18 S/N 2477; 2309 only)Signature Flight Support Corporation STC SA2-316Installation of flush loop antenna.Signature Flight Support Corporation

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