Beech H-18
STCs that may be installed · 257
In force first, then newest. The registry doesn’t record which STCs an aircraft has.
Query with SQL
duckdb -csv -c "SELECT s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model
FROM (
SELECT stc_number, min(matched_model) AS matched_model
FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_stc.parquet'
WHERE aircraft_model_code IN ('1151012')
GROUP BY stc_number
) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number)
ORDER BY 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 s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model
FROM (
SELECT stc_number, min(matched_model) AS matched_model
FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_stc.parquet'
WHERE aircraft_model_code IN ('1151012')
GROUP BY stc_number
) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number)
ORDER BY 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.
STC SA4-383Metalized control surfaces replacing fabric covered surfaces.STC SA4-714Installation of stabilizer angle of incidence change.STC SA567WEInstallation of South Wind Model8259-A heater in nose assembly of aircraft modified for tricycle landing gear per STC SA4-1531 or SA111WE.STC SA921WEBendix RDR-100 weather mapping radar system.STC SA1675WEInstallation of exhaust gas temperature monitoring systems EGT-2.STC SA962EAInstallation of Canadian Aerocon Limited fail-safe spar modification.STC SA1-232Support assembly 2003X-R-03 for 12 inch RCA AVQ-50 antenna, transmitter-receiver and accessory box and 2103X-R-01 for 12 inch RCA AVQ-55 antenna and transmitter-receiver.STC SA1-276Antenna mounts for 18-inch Bendix ANT-1G antenna and 15-inch RCA AVQ-55 or 15-inch RCA AVQ-20 antenna.STC SA1-608Radome assemblies 2003X-C for Collins WP-103 12-inch antenna, 2003X-R for RCA 12" AVQ-20 antenna for 18-inch AVQ-55 antenna.STC SA1-135Installation of 2003X series radome. (C-45H, C-45G, D18S WHEN MODIFIED PER SA3-279)STC SA643CEInstall center section spar reinforcement kit. (H18 BA680, -618 THRU -710 AND -712 THRU -722)STC SA1-467Installation of Tactair T-3 automatic pilot and optional installation of Tactair AH-1 alt. hold device (for use with Tactair T-3 autopilot).STC SA232EAInstallation of Tactair omni lock model OL-1 and optional installation of Tactair localizer adapter model LA-1 (for use with Tactair model omni lock model OL-1).STC SA3-387Air stair door installation.STC SA1-338Underseat radar scope mounts for: RCA 5-inch AVQ-50, Collins 4-inch WP-103, and RCA 5-inch AVQ-55/AVQ-20.STC SA1-597Collins WP-103 antenna mounts for 12-inch WP-103 antenna and 18-inch WP-103 antenna.STC SA1-22618 inch AVQ-50 antenna mount.STC SA1-23412 inch AVQ-50 antenna mount.STC SA266EAInstallation of Chamberlain Engineering 2003K-B radome and antenna mount transmitter/receiver support bracket for use with 12 inch Bendix radar system No. RDR-100 or RDR-110.STC SA2105WEInstallation of Model EGT-3 exhaust gas temperature monitor(with rising temperature alarm). (DC-6B (NAVY R6D-1Z) 680)STC SA1894WEInstallation of Hamilton Standard22D30/6533-21S or -22S propellers.STC SA1-236Air stair door.STC SA1-45Increase in window dimensions.STC SA1-61Auxiliary outboard wing tanks.STC SA728WEExtension of tail wheel.STC SA365SORemove fabric from ailerons, elevator, flap and rudder and replace with aluminum alclad.STC SA1276WEReplacement of carbon pile voltage regulator for 28-volt DC generator with Leland Airborne Products Type CSV-1105-2 solid state voltage regulator.STC SA351CEGUARD System (Gear Up Automatic Response Device).STC SA52EAUnderseat radar scope mount 299-05 for RCA 5-inch AVQ-55/ AVQ-20 radar.STC SA1-134RCA AVQ-50 weather avoidance radar.STC SA1-136Replacement fiberglass nose cap 237.STC SA1-568Bendix 75-ampere 1273-1A generators and modification B100 to new Model 1273-3 with cooling and electrical changes.STC SA1011WE100-gallon auxiliary outerwing fuel tanks.STC SA1-60Fiberglass nose bowl assemblies 1005-01-100 through -800.STC SA1-76Full contour tail gear doors 215.STC SA111EAOne-piece window on left side of pilot's cockpit.STC SA1135WEAuxiliary 45-gallon wing leading edge fuel tank.STC SA114SOSubstitute control wheel.STC SA1226WEM-4 automatic flight control system.STC SA148WERCA AVQ-55 weather mapping radar system.STC SA149SOCabin picture windows.STC SA158SWPilot and copilot tracking seats.STC SA186CECowl flap modification kit TYL-6.STC SA1EAFull contour tail gear doors 312. (Eligible on Models D18S, C45C, C45H, TC45G and TC45H when tail wheel modified per item 608 of Aircraft Spec. A-765.)STC SA206SOHeater fuse test switch and standby heater fuel system.STC SA222SORCA AVQ-55 radar system and a Narco UDI-2 DME system.STC SA276CEPicture window.STC SA276WECarburetor air filter and scoop.STC SA297SOCabin picture window.STC SA3-1L-2 autopilot.
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