# STCs approved under this data sheet: TCDS A-669 A list on [TCDS A-669](https://openairdocs.org/tcds/A-669.md). Current certificates first, most recently changed first. Page 1 of 6 · 282 STCs - [STC SA04652CH](https://openairdocs.org/stc/SA04652CH.md): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification · Swift Fuels LLC - [STC SA2622NM](https://openairdocs.org/stc/SA2622NM.md): Installation of Precise Flight Pulselite Control Unit in landing/taxi system. (767-200 B17) (DHC-8 101) · Precise Flight Inc. - [STC SA7965SW](https://openairdocs.org/stc/SA7965SW.md): Application of fabric and polyurethane finishing system. · Shady Aviation LLC - [STC ST04350CH](https://openairdocs.org/stc/ST04350CH.md): Installation of an S-Tec Autopilot System · Basler Turbo Conversions LLC - [STC ST04605CH](https://openairdocs.org/stc/ST04605CH.md): Installation of a Garmin GTS 8000 Traffic Alert and Collision Avoidance System (TCAS) II · Preferred Improvements LLC - [STC SA4503NM](https://openairdocs.org/stc/SA4503NM.md): Remove original cloth covering and install Ceconite covering · Ceconite Division of Poly-Fiber Inc. - [STC ST04308CH](https://openairdocs.org/stc/ST04308CH.md): Installation of Underside Roller Doors · Basler Turbo Conversions LLC - [STC ST04600CH](https://openairdocs.org/stc/ST04600CH.md): Installation of the Nexus NX301001 air conditioning system · Nexus Climate Control LLC - [STC ST03318CH](https://openairdocs.org/stc/ST03318CH.md): Installation of an EO/IR System · Basler Turbo Conversions LLC - [STC ST04530AT](https://openairdocs.org/stc/ST04530AT.md): Installation of a wingtip modification on DC3C aircraft (specific models listed) · Preferred Improvements LLC - [STC SA02268CH](https://openairdocs.org/stc/SA02268CH.md): Installation of Airwolf Filter Corp. Air Oil Separator · Airwolf Filter Corporation - [STC SA3820SW](https://openairdocs.org/stc/SA3820SW.md): Installation of P&W Canada PT6A-65AR or PT6A-67R engines. · Greenwich Aircraft Corporation - [STC SA3876SW](https://openairdocs.org/stc/SA3876SW.md): Installation of long range fuel system. · Greenwich Aircraft Corporation - [STC SA3877SW](https://openairdocs.org/stc/SA3877SW.md): Installation of a bleed air activated vacuum system. · Greenwich Aircraft Corporation - [STC SA7529SW](https://openairdocs.org/stc/SA7529SW.md): Removal of lead ballast from front and aft faces of original firewalls. · Greenwich Aircraft Corporation - [STC ST04415CH](https://openairdocs.org/stc/ST04415CH.md): Installation of a Saint-Gobain Performance Plastics Belly Radome in accordance with StandardAero Master Data List 1036433, Revision (B), dated September 25, 2019 or later FAA approved revision. · Standard Aero Business Aviation Services LLC - [STC SA5190NM](https://openairdocs.org/stc/SA5190NM.md): Installation of Gustin Aviation chip detector light system. · A & L Aircraft Parts Inc - [STC SA04392CH](https://openairdocs.org/stc/SA04392CH.md): Installation of dual Hartzell combustion heaters, P/N CD14193-1, in accordance with N18121 Installation Instructions, Revision New, dated May 28, 2019 or later FAA approved revision, into Boeing DC3A S/N 1997. · Aerometal International Inc - [STC SA3-307](https://openairdocs.org/stc/SA3-307.md): Installation of 145-gallon fuel tanks. Installation of 252-gallon fuel tanks. · Preferred Improvements LLC - [STC ST00347BO](https://openairdocs.org/stc/ST00347BO.md): Modification to upgrade a BendixKing CAS 67A TCAS II system to CAS 67B TCAS II Change 7.1 · Pro Star Aviation, LLC - [STC ST11178SC](https://openairdocs.org/stc/ST11178SC.md): Structural modifications necessary for the increase in maximum gross takeoff weight from 26,900 lbs to 29,000 lbs for STC SA3820SW - converted Douglas DC3C aircraft (specific models listed) · Braddick USA LLC - [STC ST04222CH](https://openairdocs.org/stc/ST04222CH.md): Installation of a Garmin Traffic Collision Avoidance System (TCAS) II with ADS-B Out Capability · Basler Turbo Conversions - [STC ST04223CH](https://openairdocs.org/stc/ST04223CH.md): Installation of Provisions for a Light Detection and Ranging (LIDAR) System · Basler Turbo Conversions LLC - [STC ST04262CH](https://openairdocs.org/stc/ST04262CH.md): Install placarding to restrict total payload to a maximum of six thousand pounds (6,000 lbs) · Preferred Improvements LLC - [STC ST04244CH](https://openairdocs.org/stc/ST04244CH.md): Installation and Activation of a Saab Grintek Defense Impi II Asset Tracking System · Preferred Improvements LLC - [STC ST04268CH](https://openairdocs.org/stc/ST04268CH.md): Installation of an Ultra-Wide band (UWB) Fuselage Antenna Array · StandardAero Business Aviation Services, LLC - [STC SA01282NY](https://openairdocs.org/stc/SA01282NY.md): Installation of Airwolf remote mounted engine oil filter kit AFC-K015 on aircraft powered by Pratt & Whitney radial reciprocating engine Series R-985, R-1340 and R-1830. · Airwolf Filter Corporation - [STC SA211CE](https://openairdocs.org/stc/SA211CE.md): A.P.U. Installation - Ranger Andover Model V-32D-2-1. · Preferred Improvements LLC - [STC SA3-113](https://openairdocs.org/stc/SA3-113.md): Installation of RCA Model AVQ-10 radar antenna swingaway mount SK10136 (SA3-65). · Preferred Improvements LLC - [STC SA3-139](https://openairdocs.org/stc/SA3-139.md): Installation of standard C-47 cargo door. · Preferred Improvements LLC - [STC SA3-15](https://openairdocs.org/stc/SA3-15.md): Installation of wheel well enclosure doors. · Preferred Improvements LLC - [STC SA3-422](https://openairdocs.org/stc/SA3-422.md): Installation of bird resistant windshield. · Preferred Improvements LLC - [STC SA3-434](https://openairdocs.org/stc/SA3-434.md): Picture window installation and standard window modification. · Preferred Improvements LLC - [STC SA3-461](https://openairdocs.org/stc/SA3-461.md): Installation of electrically driven emergency hydraulic pump. · Preferred Improvements LLC - [STC SA3-52](https://openairdocs.org/stc/SA3-52.md): Radome installation. · Preferred Improvements LLC - [STC SA3-78](https://openairdocs.org/stc/SA3-78.md): Alternate Tee-Bolt radome attachment for STC SA3-52 radome installation. · Preferred Improvements LLC - [STC ST04261CH](https://openairdocs.org/stc/ST04261CH.md): Installation of a Gear Latch & Ground Shift system · Preferred Improvements LLC - [STC ST565CH](https://openairdocs.org/stc/ST565CH.md): Installation of a Fairchild F800 or F1000 digital flight data recorder. · Preferred Improvements LLC - [STC SA3074NM](https://openairdocs.org/stc/SA3074NM.md): This modification requires that the following two (2) placards be placed on the inside of the forward (L.H.) cargo door in full view of the cargo loading crew: MAXIMUM PAYLOAD CAPACITY -7500 lbs. or less, CARGO LOADING METHOD-Refer to FAA App Oper Handbk. · Preferred Improvements LLC - [STC ST03785NY](https://openairdocs.org/stc/ST03785NY.md): Installation of SkyTrac ISAT Airborne Position/Data Communicator · SkyTrac Systems Ltd - [STC SA4-220](https://openairdocs.org/stc/SA4-220.md): Installation of tail wheel cover and fairing · Preferred Improvements LLC - [STC ST03295CH](https://openairdocs.org/stc/ST03295CH.md): Installation of a Traffic Collision Avoidance (TCAS II) System · Basler Turbo Conversions LLC - [STC ST03296CH](https://openairdocs.org/stc/ST03296CH.md): Installation of a Digital Flight Data Recorder (DFDR) System · Basler Turbo Conversions LLC - [STC SA4-228](https://openairdocs.org/stc/SA4-228.md): Main landing gear doors, actuating system, main landing gear assist bungee, oil cooler fairing and oil cooler fixed section for aircraft with Pratt & Whitney R-1830-75, -92 or -94 engines. · Preferred Improvements LLC - [STC SA4-230](https://openairdocs.org/stc/SA4-230.md): Installation of aileron gap closure · Preferred Improvements LLC - [STC ST04050CH](https://openairdocs.org/stc/ST04050CH.md): Installation of Ice Protection Systems · Preferred Improvements LLC - [STC SA4840NM](https://openairdocs.org/stc/SA4840NM.md): lnstallation of Pratt & Whitney of Canada PT6A-67R engines, Hartzell HC-B5MA-3/Ml 1276 or HC-B5MA-3()/Ml 1691N, K model propellers, modified fuel system, revised electrical system, and forward fuselage extension · Basler Turbo Conversions Inc. - [STC SA4148WE](https://openairdocs.org/stc/SA4148WE.md): Installation of a Flap and Landing Gear Aural Warning System · United Aeronautical Corporation - [STC SA02930NY](https://openairdocs.org/stc/SA02930NY.md): Installation of Insight Instrument Corporation Graphic Engine Monitor (GEM 610C) models G3, G2, and G1 and 1200C model G4 as primary Cylinder Head Temperature (CHT), Exhaust Gas Temperature (EGT), and Turbine Inlet Temperature (TIT) Instruments · Insight Instrument Corporation - [STC ST334CH](https://openairdocs.org/stc/ST334CH.md): Installation of Superflite 102 fabric. · Aviation Products Systems Inc. Next page: https://openairdocs.org/tcds/A-669/stcs.md?page=2 ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql SELECT s.stc_number, s.description, s.holder, s.status, s.status_date FROM 'https://openairdocs.org/data/latest/faa_stc.parquet' s WHERE s.stc_number IN (SELECT stc_number FROM 'https://openairdocs.org/data/latest/faa_stc_model.parquet' WHERE tcds_number = 'A-669') ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_number ``` This list as a web page: https://openairdocs.org/tcds/A-669/stcs --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.