N97HC
STCs that may be installed · 333
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 = '2074246'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '17265')
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 = '2074246'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '17265')
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.
Engine · Continental TSIO-520-NB
STC SE2831SWBendix S6RN-1251 and S6RN-1255 magnetos.STC SE09261SCModify engine to increase power output rating from 310 hp to 335 hp, install Garrett/AlliedSignal TA-81 turbocharger, RAM intercooler, RAM economy camshaft, RAM oil pump pickup tube, RAM forged pistons with gapless rings, and 0.02 inch undersized crankshaft.STC SE3631SWCylinder modification.STC SE3632SWInstallation of induction hose clamps.STC SE3683SWInstallation of alternator clutch hub Teledyne part no. 640934 with Teledyne part no. 642056 alternator. This mod has been found to be compatible with STC SE4327SW and SE3714SW.STC SE3714SWInstall RAM economy camshaft and modified cylinders.STC SE4327SWIncrease all operation power rating to 325 horsepower (hp) at 40 inches of manifold pressure (MP) and 2700 RPM.STC SE5455SWUnpressurized Slick 6220 magnetos.STC SE09513SCInstallation and usage of Exxon 20W50 Multigrade aircraft engine oil conforming to Exxon Oil Formulation WS-3013.STC SE09559SCInstallation of US Airparts roller rocker arm assemblies P/N US92E exhaust and US92I intake.STC SE55WEModification of fuel injection manifold valve P/N 626547 to the P/N 631427 or P/N 636326 configuration.STC SE09289SCInstallation of modified fuel injector nozzles.STC SE00577NYInstallation of Canadian Aero Mfg. (C.A.M.) Oil Coolers.STC SE09319SCModify oil pan adding a new oil sump drain.STC SE00350SEInstallation of sump mounted chip detector.STC SE00223SEInstallation of Auto-Valve Inc oil drain valveSTC SE8687SWRegrooving of pistons P/N 631475 or P/N 632585.STC SE00005DEInstallation of engine oil filter adapter compatable with SA4094NM Oilamatic, Inc. engine preoiling system.STC SE8594SWInstallation of roller rocker arm P/N PE 92I intake and PE92E exhaust.STC SE7430SWInstallation of Performance Engineering roller rocker arms.STC SE452NEInstallation and usage of 'Mobil AV 1' aviation oil.STC SE3630SWCrankcase modifications.STC SE5879SWUse of Phillips X/C II 20W-50 and25W-60 oil (OSS 55875) in all Avco reciprocating aircraft engines from 65 to 450 BHP.STC SE244NEInstallation of Mattituck plasma flame sprayed cylinder barrels in Teledyne reciprocating engines.STC SE80NEInstallation and usage of Bel-Ray synthetic aviation oil, Bel-Ray Aero 1, (nonsupercharged), horizontally opposed direct drive, aircraft engines of 350 hp. or less.STC SE44GLIncorporation of a fuel flow transducer.STC SE44WEUse of Kling Aviation Oil, Specifications KL-100, KL-200 and KL-300 in Continental and Lycoming engines.STC SE09653SCInstallation of RAM Induction Equalized Fuel Nozzle Set.STC SE09104SCModify Teledyne Continental TSIO-520-NB engine. Maximum continuous power is 335 hp at 2700 rpm and 38.0 inches Hg manifold pressure. This mod is limited to Teledyne Continental motors model TSIO-520-NB engines modified per STC SE4327SW.STC SE09259SCInstallation of RAM Aircraft Corporation oil cooler.STC SE09280SCModify engine in accordance with RAM Aircraft Corporation Drawing No. 1888.STC SE09281SCModify engine in accordance with RAM Aircraft Corporation Drawing Number 1891.STC SE09282SCModify engine in accordance with RAM Aircraft Corporation Drawing Number 1892.