N58AH
STCs that may be installed · 33
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 = '8141803'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '52106')
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 = '8141803'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '52106')
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 · Sikorsky S-58ET
STC SR04549ATConversion of the Pratt & Whitney PT6T-3 to the PT6T-3B configurationSTC SA5783NMFabrication of Onboard Systems Model 7 CROPHAWK spray flow measuring system.STC SH5780NMFabrication of Onboard Systems model E-46 cargo hook load weigh system.STC SR02704SEInstallation and maintenance of the Sunspot 36 and 46 series lightsSTC SR04483CHInstallation of NASI NREM18M Air Conditioning ModuleSTC SR00359BOInstallation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights.STC SH464NEInstallation of an Alternate Float Bottle System.STC SH513NEReplacement of auxiliary fuel boost pumps with Parker Hannifin-Airborne inline auxiliary fuel booster pumpSTC SR02394AKReplacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting systemSTC SR03310CHInstallation of NASI Air Conditioning ModuleSTC SA2693NMInstallation of Electronics International digital volt/amp gauges and accessories.STC SR00968CHReduce take-off gross weight from 13,000 to 12,500 lbs. During passenger and internal cargo carrying operations. (S-58ET s/n 58-855)STC SR00042SEModification to allow the use of Configuration II aircraft performance limits.STC SA1626NM PAGE 2Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series)STC SH2212NMInstallation of Silver Instruments Fueltron IIIPT-IGS, IIIPT-IPS, IIIPT-ILS, IIIPT-IKS digital fuel flow indicating system.STC SH770NWInstallation of a weighing system.STC SH4570NMApproval for takeoffs and landings up to and including 12,000 feet density altitude is authorized.STC SA4302NMInstallation of Electronics Int'l digital automatic engine analyzer.STC SH4539NMEstablish a nine passenger seat configuration.STC SH1010GLReduction of standard passenger seating from sixteen to nine seats or less.STC SH4507NMApproval for takeoffs and landings up to and including 12,000 feet densiy altitude is authorized.STC SA513NEReplacement of auxiliary fuel boost pumps with Parker-Hannifin-Airborne in-line auxiliary fuel booster pumps.STC SH4477NMInstallation of FC/FT-10 digital fuel flow indicating system.STC SH1215GLReduction of standard passenger seating from sixteen to nine seats or less.STC SH142WEInstallation of electronic weighing system c-40.STC SH2572NMIncreased takeoff and landing density altitude limit.STC SH453NWInstallation of an electronic weighing system (for monitoring cargo weight)STC SH1194EAConversion from original 12 passenger configuration to a 9 passenger configuration.STC SH268WEInstallation of stainless steel fire shields around aluminum engine mount fittings (P/N S1620-61435) of HSS, HUS, H-34 military series helicopters. (S-58 SERIES Military versions HSS, HUS, H-34)STC SA77GLInstallation of Bendix weather radar RDR-1200.STC SH3NENorton AC3093K radome installation and Bendix RDR 110 radar system installation.