N475AL
STCs that may be installed · 142
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 = '1181029'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '03014')
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 = '1181029'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '03014')
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-2
STC SH4-1332Cargo sling and shackle. (When any load is carried on this shackle, operations must be under restricted category.)STC SH4-1340Spray pump 1-1/4 inch. (Restricted category only.)STC SH4-1349Spray pump 1-1/4 inch. (Restricted category only.)STC SH4-1392Pesco 1P-677 hydraulic pump.STC SH4-1419Exhaust muffler.STC SH4-1499Exhaust mufflers.STC SH4-1604100-gallon borate tank.STC SH4-1628Full flow lube oil filter 30690B with element 1A0286.STC SH4-1646Full flow lube oil filter 30690B with element 1A0286.STC SH4-1650Engine cooling fan shrouds.STC SH4-349Fabrication and installation of adapter assembly for bomb shackle mounting. (When any load or device is carried on the bomb shackle, operation must be under restricted category.)STC SH4-494Full flow lube oil filter 30690B with element 1A0286.STC SH4-612Conversion of Model 47G to Model 47G-2M.STC SH4-619Exhaust muffler.STC SH4-693Landing gear extended and electro-magnetic prospecting equipment installed.STC SH4-742Power takeoff unit at generator pad of Lycoming VO-435-A engine to drive centrifugal pump (Simplex ALCCS-1) for agricultural spraying operations.STC SH4-826Franklin 6V-335-AIA engine.STC SH58WEThree-view camera mount and Wild RC-8 camera.STC SH59WETwin flow pump on Franklin engine lower generator drive pad and re- route of right-hand tail rotor cable.STC SH61WEBowles heli-tank on previously approved bomb shackle adapter assembly.STC SH62SWLong range fuel tanks.STC SH6CESnow shoes.STC SH73WESpray system with Simplex pump.STC SH78WEInstallation of Calicopters Cabin Heater Kit CC 1000.STC SH799SWWater contact sensor.STC SH7CECargo carrier.STC SH87SWDust, seeder, or spray kit 500.STC SH95SWBell 47G-2 floats.STC SH4-1555Spray equipment.STC SA2350NMInstallation of Electronics International Inc digital carburetor/outside air temperature gauges listed on the attached continuation sheet and the associated accessories.
Engine · Allison 250 series
STC SE2352NMModification of turbine engine.STC SE00057ATInstallation of Aeronautical Accessories, Inc., Pc Safety Valve KitSTC SE00327ATInstallation of PC Safety Valve Kit.STC SE5511NMInstallation of compressor discharge pressue (PC) valve.STC SE769NWInstallation of Soloy Part No. 250-1001-1 fuel line.STC SE00014ENInstallation of the Pratt & Whitney Engine Services, Inc. CrossCheck Engine Monitor Kit P/N HUMS-K-071-1, Rev. A on the specified PT6A engine models and kit P/N HUMS-K-071-2 on the specified A250 engine models.STC SE00026ENInstallation of Pratt & Whitney Engine Services Inc. IntelliStart Plus Electronic Control Unit (ECU), P/N DPU-K-010 on specified 250 engine models.STC SE00027ENInstallation of Pratt & Whitney Engine Services Inc. Intellistart plus electronic control unit (ECU), P/N DPU-K-010 on the specified 250 engine models.STC SE492GLIncorporation of a fuel flow transducer.STC SE578GLInstallation of a fuel flow transducer.STC ST00037ATUnison igniter plugs, P/N 9044400-1.STC SQ00338ATUnison igniter leads, P/N9048222-101, 102, 103, 104, 105, 106.