N147WB
STCs that may be installed · 156
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 = '1181026'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '41516')
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 = '1181026'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '41516')
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 · Bell 47G-3B
STC SH4173NMInstallation of Simplex Model 7600 modular electrical system. (US ARMY OH-13E M74A)STC SH2945NMAddition of a twist grip on the cyclic pitch stick to provide hand operated yaw controlSTC SH3351NMAddition of a twist grip on the cyclic pitch stick to provide a hand operated yaw control.STC SA2190NM PAGE 1Installation of electronics International Digital Volt/Amp Gauges and Accessories.STC SH507GLInstallation of modified tail rotor gearbox using original installation hardware and components.STC SH856NWInstallation of Simplex Model 4800 spray system.STC SH404GLInstallation of Lycoming VO-435-A1 engine.STC SH888NWInstallation of a Simplex Model 5750 spray system.STC SH889NWInstallation of a Simplex Model 4850 spray system.STC SH890NWInstallation of a Simplex Model 4700 spray system.STC SH891NWInstallation of a Simplex Model 5600 spray system.STC SH25SWTransceivers KY90, KY90E, KY90H, KY95, KY95E, and KY95H.STC SH787NWInstallation of model 5700 spray system.STC SH193WEInstallation of a Jasco Alternator Part No. 7555-1 24 volt systemSTC SH2840SWChemical spray boom.STC SH5CEInstallation of Simplex Manufacturing Company 32 foot agricultural spray boom assembly.STC SH227GLInstallation of Lycoming VO-435-A1F engine.STC SH95WEInstallation of low profile spray system.STC SA357SWInstallation of Simplex spray kit.STC SH357SWInstallation of Simplex Manufacturing spray kit.STC SH157GLInstallation of Lycoming VO-435-A1F engine.STC SH214NWInstallation of Simplex Model 4100 Aerial Dust System.STC SH175WERemoval of generator and installa- tion of Ford-GPD alternator.STC SH173WEInstallation of derated Lycoming TVO-435-B1A or TVO-435-B1B engine in lieu of TVO-435-A1A engine using existing TVO-435-A1A installation components.STC SA584WEInstallation of oil filter assemblies.STC SH986EAInstallation of Avco Lycoming engine Model TVO-435-B1A(0-435-25A) in lieu of model TVO-4350A1A.STC SA105NWMounting and wiring for occasional installation and use of Barnes Engineering Company airborne fire spotter system.STC SH252SWBendix 100-ampere generator30E16-11C.STC SH143WEInstallation of a 12 volt, 40 ampere alternator on auxiliary power takeoff pad.STC SH141WEInstallation of aerial seeder.STC SH88WEInstallation of cargo hook.STC SH381ALInstallation of cargo baskets.STC SH5-25Installation of tundra snow shoes.STC SH4-1512Installation of adapter assembly for bomb shackel, or cargo hook.STC SH104WEInstallation of Nightsun SX-16 or SX-16C Searchlight.STC SH101WEReplacement of existing 50 ampere generator with 100 ampere RWS-985-1340 generator.STC SH48WEInstallation of turbosupercharged Lycoming TVO-435-B1A engine.STC SH176EAStewart-Warner heater.STC SH479SW6V350A engine.STC SH5WEInstallation of Cargo Sling and HookSTC SH4-1315Seeding accessory.STC SA5-24Additional seat belt fittings to provide individual belts.STC SA5-34Northern radio 414.STC SA5-35Northern radio 414.STC SA5-38Northern radio N412.STC SH1-437Stewart-Warner combustion heater F-24, relocation of aircraft junction box and special centrifugal blower SP-151.STC SH1-509Lube oil filter PB55-1.STC SH1-512Aircooled Motors 6VS-335A turbo- supercharged engine (derated).STC SH1-67Franklin 6V-335-A engine.STC SH112WEInstallation of box ejector for Codling Moth Control.