# STCs approved for this model: Beech C-99 A list on [Beech C-99](https://openairdocs.org/model/beech-c-99.md). Current certificates first. Page 1 of 3 · 139 STCs - [STC SA00075DE-D](https://openairdocs.org/stc/SA00075DE-D.md): Installation of Sundstrand MK-VI GPWS system. · Learjet Inc - [STC SA00076DE-D](https://openairdocs.org/stc/SA00076DE-D.md): Installation of radio altimeter system. · Learjet Inc - [STC SA00077DE-D](https://openairdocs.org/stc/SA00077DE-D.md): Installation of provisions for a Bendix/King CAS-66 TCAS I system. · Learjet Inc - [STC SA00114AT](https://openairdocs.org/stc/SA00114AT.md): Installation of a Marathon KSP 400 battery. · Aviall Services, Inc. - [STC SA00120IB](https://openairdocs.org/stc/SA00120IB.md): Installation of the Universal Kapture Cockpit Voice Recorder (CVR) with Recorder Independent Power Supply (RIPS) · Avmax Aviation Services Inc. - [STC SA00162WI](https://openairdocs.org/stc/SA00162WI.md): Installation of a Sundstrand Mark VI ground proximity warning system. · Textron Aviation Inc - [STC SA00164DE](https://openairdocs.org/stc/SA00164DE.md): Installation of Cargo Interior and retention system. · Corporate Air - [STC SA00165BO](https://openairdocs.org/stc/SA00165BO.md): Installation of Avidyne Corporation Datalink Coupler, part number 700-00015-000 per Avidyne Corporation Master Document List, Document No. AVACP-006 dtd 1/2/93 or later FAA-approved revisions. · Avidyne Corporation - [STC SA00185LA](https://openairdocs.org/stc/SA00185LA.md): Installation of Alternate Main Landing Gear Tires, Michelin P/N 026-335-0. · Metrea Special Aerospace ISR Inc. - [STC SA00243BO (4 OF 5)](https://openairdocs.org/stc/SA00243BO%20(4%20OF%205).md): Installation of Centurion Consulting, Inc. GPS Steering Assist Module (SAM) with roll steering (p/n 0025-5100), or without roll steering (p/n 0025-5200). · Icarus Avionics, LLC - [STC SA00343BO](https://openairdocs.org/stc/SA00343BO.md): Installation of a single configuration or a dual configuration Avidyne Corporation Integrated Flight Display, Model IFD540 loaded with Release 10.0 software (or later FAA approved release) · Avidyne Corporation - [STC SA00344BO PAGE 1](https://openairdocs.org/stc/SA00344BO%20PAGE%201.md): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. · Whelen Aerospace Technologies - [STC SA00352BO PAGE 1](https://openairdocs.org/stc/SA00352BO%20PAGE%201.md): Installation of an Avidyne Corporation Mode A/C/S Transponder with ADS-B Out capability, Model AXP340 loaded with Version 3.13 software (or later FAA approved version), · Avidyne Corporation - [STC SA00460AT](https://openairdocs.org/stc/SA00460AT.md): Installation of a Sundstrand ground proximity warning system. · Miami Avionics Corporation - [STC SA00622WI](https://openairdocs.org/stc/SA00622WI.md): Shoulder harness anchor installation · Aviation Fabricators Inc - [STC SA00692SE](https://openairdocs.org/stc/SA00692SE.md): Replacement of certain BF Goodrich pneumatic deicer boots · SMR Technologies - [STC SA00741WI](https://openairdocs.org/stc/SA00741WI.md): Installation of the Concorde RG-380E/K series VRSLA batteries in airplanes listed on the attached FAA approved Model List (AML) · Aero-Mach Wilco LLC - [STC SA00749AT](https://openairdocs.org/stc/SA00749AT.md): Modification of flush type fuel caps for installation of a locking cylinder and keeper. (1964 and subsequent) · Aero Trim, Inc - [STC SA00765DE](https://openairdocs.org/stc/SA00765DE.md): Installation of Automatic Dependent Surveillance Broadcast (ADS-B) Out functionality using the BendixKing KT74 Transponder and qualified position sensor · Peregrine - [STC SA00780SE](https://openairdocs.org/stc/SA00780SE.md): Installation of the True Lock Safety Retention Axle Lock Nut System · True Lock LLC - [STC SA00929AT](https://openairdocs.org/stc/SA00929AT.md): Installation of a TCAS-791 traffic alert and collision avoidance system (TCAS I). · Acron Aviation Inc. - [STC SA01085LA](https://openairdocs.org/stc/SA01085LA.md): Installation of the VNS 1000 Voice Navigation System. · VNS Incorporated - [STC SA01110CH](https://openairdocs.org/stc/SA01110CH.md): Installation of wing fuel tank quick valve drains. · Storehouse LLC - [STC SA01114CH](https://openairdocs.org/stc/SA01114CH.md): Installation of P2 Incorporated 6600 Audio Advisory system · P2 Incorporated - [STC SA01126WI](https://openairdocs.org/stc/SA01126WI.md): Replacement of wing tie down ring assembly on Classic Beechcraft model airplanes with one piece machined part number APMA35-115632 · DER Associates Ltd. - [STC SA01158WI](https://openairdocs.org/stc/SA01158WI.md): Installation of Aero Enhancements UV250-1 Supplemental Instrument Panel Lightning System. · Aero Enhancements Inc. - [STC SA01169WI](https://openairdocs.org/stc/SA01169WI.md): Installation of Aero-Mach Labs, Inc. propeller RPM tachometer or percent (gas generator/N1) RPM tachometer instruments. · Aero-Mach Labs Inc. - [STC SA01229SE PAGE 2](https://openairdocs.org/stc/SA01229SE%20PAGE%202.md): Installation of GNS 480 (CNX80) GPS WAAS Navigator with integrated VHF Navigation and Communication radios · Garmin International Inc - [STC SA01260WI](https://openairdocs.org/stc/SA01260WI.md): Installation of the Concorde RG-380E/K and RG2380E/L series VRSLA batteries in the Raytheon King Air Model airplanes listed on the attached FAA Approved Model List (AML) No. SA01260WI, dated June 9, 2004, in accordance with Concorde Battery Corporation, Master Drawing List, Drawing No. 5-0177, Rev. N/C, dated May 1, 2003, or later FAA approved revision. · Concorde Battery Corporation - [STC SA01473SE (5 OF 5)](https://openairdocs.org/stc/SA01473SE%20(5%20OF%205).md): Installation of a GTX 32 (mode C), GTX 33 (mode S), or GTX 33D (mode S with diversity) Remote Transponde · Garmin AT Inc. - [STC SA01487SE (4 OF 5)](https://openairdocs.org/stc/SA01487SE%20(4%20OF%205).md): Installation of a GDL 69 or GDL 69A XM Satellite Receiver in accordance with Garmin Supplemental Type Certificate Master Data List, P/N 005-C0217-00, Revision A, dated December 20, 2004, or later FAA approved revision. · Garmin AT Inc. - [STC SA01487SE-D](https://openairdocs.org/stc/SA01487SE-D.md): Installation of a GDL 69 or GDL 69A XM Satellite Receiver · Garmin International Inc - [STC SA01639NY](https://openairdocs.org/stc/SA01639NY.md): Replacement of 12 refrigerant in air conditioning system with Enviro Refrigerant Hotshot R414B. · Scale Modelbuilders Inc. - [STC SA01692SE (PAGE 2 OF 2)](https://openairdocs.org/stc/SA01692SE%20%20(PAGE%202%20OF%202).md): Installation of a Garmin GMX 200 Multi-Function Display · Garmin International Inc - [STC SA01695SE (5 OF 5)](https://openairdocs.org/stc/SA01695SE%20(5%20OF%205).md): Installation of an antenna · Garmin AT Inc. - [STC SA01714WI (2 OF 2)](https://openairdocs.org/stc/SA01714WI%20(2%20OF%202).md): Installation of a Garmin transponders: (a) GTX 330/330D/33/33D with ADS-B Out functionality; (b) GTX 335/335R/345/345R with ADS-B Out and In functionality; or (c) GTX 335R/345R with ADS-B Out functionality in select airplanes installed with G950/G1000 systems. · Garmin International Inc - [STC SA01800SE](https://openairdocs.org/stc/SA01800SE.md): Fabrication and installation of new or replacement of existing instrument panel lights dimmer control. · TCW Technologies, LLC - [STC SA01809WI](https://openairdocs.org/stc/SA01809WI.md): Installation of an Operator Seat onto an existing Cabin Seat Track. · Aviation Fabricators Inc - [STC SA01861SE](https://openairdocs.org/stc/SA01861SE.md): Fabrication and installation of Landing Light Controller · TCW Technologies, LLC - [STC SA01933LA-D (1 OF 2)](https://openairdocs.org/stc/SA01933LA-D%20(1%20OF%202).md): Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System · Garmin International Inc - [STC SA01933LA-D PAGE 1](https://openairdocs.org/stc/SA01933LA-D%20PAGE%201.md): Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System · Garmin International Inc - [STC SA01969SE](https://openairdocs.org/stc/SA01969SE.md): Installation of a Mid-Continent MD302 Standby Attitude Module · Mid-Continent Instruments and Avionics - [STC SA02010WI](https://openairdocs.org/stc/SA02010WI.md): Installation of the Mid-Continent Instruments & Avionics MD23 FLEX Custom Function Display (CFD) · Mid-Continent Instruments and Avionics - [STC SA02013AK](https://openairdocs.org/stc/SA02013AK.md): Installation of Airtell C3-100 ground proximity warning system. · Centaurus Systems, Inc - [STC SA02019SE-D (1 OF 3)](https://openairdocs.org/stc/SA02019SE-D%20(1%20OF%203).md): Installation of Garmin Model GTN 625/635/650; 725/750 Navigation System · Garmin International Inc. - [STC SA02019SE-D (3 OF 3)](https://openairdocs.org/stc/SA02019SE-D%20(3%20OF%203).md): Installation of Garmin Model GTN 625/635/650; 725/750 Navigation System · Garmin International Inc. - [STC SA02075SE](https://openairdocs.org/stc/SA02075SE.md): Installation of a Mid-Continent MD835() Lithium Ion Battery · Mid-Continent Instrument Co. Inc. - [STC SA02110CH](https://openairdocs.org/stc/SA02110CH.md): Installation of a Time Trac Data Recorder · P2 Incorporated - [STC SA02119SE PAGE 1](https://openairdocs.org/stc/SA02119SE%20PAGE%201.md): Installation of Garmin GDL 88 ADS-B UAT Transceiver System · Garmin International Inc - [STC SA02121SE](https://openairdocs.org/stc/SA02121SE.md): Installation of Garmin GTS 825 (TAS) or GTS 855 (TCAS I) Traffic System · Garmin International Inc Next page: https://openairdocs.org/model/beech-c-99/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 model_key = 'C99') ORDER BY s.status = 'Current' DESC, s.stc_number ``` This list as a web page: https://openairdocs.org/model/beech-c-99/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.