N444AS
STCs that may be installed · 118
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 = '0390202'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '52034')
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 = '0390202'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '52034')
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 · Air Tractor AT-400
STC SA04484CHInstallation of a Reabe Aircraft Improvement Power Gate Control SystemSTC SA01800SEFabrication and installation of new or replacement of existing instrument panel lights dimmer control.STC SA01861SEFabrication and installation of Landing Light ControllerSTC SA12204WIWing Spar Cap manufacturing process changeSTC SA03040CHInstallation of a digital payload hopper quantity and spray boom pressure indicating systemSTC SA7965SWApplication of fabric and polyurethane finishing system.STC SA01240SEInstallation of secondary voltage indication systemSTC SA04676CHInstallation of a True Quantity Gauge SystemSTC SA4503NMRemove original cloth covering and install Ceconite coveringSTC SA02266SEInstallation of a Lever Throttle QuadrantSTC SA04776NYThe HIPEC Covering and Finishing System must be performed and maintainedSTC SA03819NYInstallation and maintenance of Oratex 6000 Covering and Coating SystemSTC SA00401BOInstallation of a SkyTrax100B UAT receiverSTC SA00888SEOption 1: Install Walter M601-E11S engine and a Hartzell
HC-B3TW-3/T10282N+4 propeller or a Walter M601-E11 engine and an Avia V508-E-AG 106/A propeller per the
Master Drawing List and Installation Instructions given in Approved Model List SA00888SE. (Note: Prior to
July 17, 2002, the model M601-E11S engine was designated as the model M601-E11 engine).
Option 2: Install a Walter M601-D11 engine and Avia V508-E-AG 106/A propeller per Cascade Flying Service
Master Drawing List CFS-MDL-0001 Rev G, dated June 15, 2004, and Cascade Flying Service Document
CFS-IM-107, Rev A, dated July 29, 2003, “Installation Instructions for Walter Turbine Installation on Air Tractor
300 & 400 Series Ag Aircraft,” or later FAA-approved revisions to these documents.
NOTE: The Air Tractor model AT-400, AT-402B, AT-502, AT-502B, and AT-503A airplanes are not eligible for
modification under option 2.STC SA02268CHInstallation of Airwolf Filter Corp. Air Oil SeparatorSTC SA02135SEInstallation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data)STC SA04165NYInstallation of Latitude Technologies Skynode S200 Satcom system must be performedSTC SA01323CHInstallation of a ground single point fueling system.STC SA00905SEInstall modified engine cowl.STC SA02205SEInstallation of a replacement airframe fuel pump in accordance with Cascade Flying Service Master Drawing List FW-CFS545-90, Rev. B, dated October 19, 2011, or later FAA approved revision.STC SA01745WIInstallation of a Cable Cutter System on the Main Landing GearSTC SA00382BOInstallation of Globalstar Antenna and Cradle provisions to support a Globalstar GPS-1700 in non-composite airplanesSTC SA02276AKInstallation of AMSAFE Aviation Inflatable RestraintsSTC SA00478CHInstallation of Cooper Superflite 102 Fabric.STC SA00489LAInstallation of winglets.STC ST03554CHInstallation of Rotary Gatekeeper and provisions equipmentSTC SA00403SEInstallation of Vortex Generators on the wingsSTC SA03199CHInstall auto fill fuel systemSTC SA02985CHInstallation of a Cool Start System in accordance with Installation Instructions , Revision A, dated April 14, 2011, or later FAA Approved revision.STC SA00770CHReplace front 30 inches of fiberglass canopy top with L.P. Aero Plastics Inc. acrylic top in accordance with Reabe Aircraft Improvement Inc. Installation Instructions as listed on AML No. SA00770CH, amended January 14, 2011, or later FAA approved revisions.STC SA00068SEInstallation of fuel flow/pressure instruments. (W/TSIO-360-MB1)STC SA02110CHInstallation of a Time Trac Data RecorderSTC SA2693NMInstallation of Electronics International digital volt/amp gauges and accessories.STC SP00400SEInstallation of various propeller electrical de-icer modelsSTC SA02279CHInstallation of wing mounted aerial dispenser systemSTC SA00171BOInstallation of Pratt & Whitney Engine Services, Inc. Aircraft Data Acquisition System ADAS+, P/N ADAS-K-010.STC SA2505NMInstallation of Pheromone aerial application system. (AT-400A RESTRICTED CATEGORY)STC SA04677CHInstallation of a Powered Hopper Lid and Auger SystemSTC SA01639NYReplacement of 12 refrigerant in air conditioning system with Enviro Refrigerant Hotshot R414B.STC SA8075SWInstallation of fiberglass covering. (M-62 SERIES PT-19) (G-73 SCHWEIZER)STC SA01258SEInstallation of the Automatic Flagman Dispenser Models in accordance with Automatic Flagman Master Drawing Lists specified in attached AML, or later FAA approved revision.This STC supercedes several existing STC s as listed in the notes on the attached AML.STC SA572EAInstallation of Goodrich Model 5735K deicer kit (P/N 5735 deicer boot, P/N D-5735-1 cable, P/N 5735H hardware kit). Limited to aircraft which incorporate Goodrich Propeller Deicing Systems equipped with Goodrich Propeller Deicer Boot P/N 4E1185-5 on Hartzell propellers as listed on STC SA572EA eligibility list.STC SA1110GLSurrendered and incorporated into STC SA00478CH.STC SA01528CHInstallation of Walter M601E-11 model turbine engine and an AVIA Propeller Limited VJ8.510 or VJ8.510AG propeller system or Hartzell HC-B3TW-3/T10282NS+4 model propeller.STC SA265NWInstallation of Automatic Flagman Model No. 4 (Dispenser System)
on the upper surface of the right wing rootSTC SA2687NMInstallation of Truboplus/ Electronics Int'l gauges and switches.STC SA812NEInstallation of BF Goodrich Model 6975-1 De-Icer kit or BF Goodrich Model 6975-10 De-Icer kit.STC SA00568WIInstallation of a Compro Aviation Driftfinder DFS-10 system which injects oil into engine exhaust to produce smoke that determines wind speed and direction.STC SA00151SEFabrication and Installation of vortex generators and "delta wings" on the wings and a strake mounted above the left- and right-hand wing/fuselage junctions.STC SA00648ATInstallation of chemical rinsing system.