ST00606CH-DAvionics
Installation of dual Universal Navigation Corp UNS-1CSP Flight Management Systems.
FAA holder: Duncan Aviation Inc
FAA STC category
Avionics STCs
Navigation, surveillance, display, autopilot, radar, and other approved avionics changes. This directory contains 3,609 selected records listed with status Current in the June 30, 2026 FAA DRS snapshot and links every entry to its source.
Showing 2,281–2,400 of 3,609Page 20 of 31
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ST01366CH-DAvionics
Installation of Honeywell MK-VII Enhanced Ground Proximity Warning System (EGPWS) with -213 -213 software, optinal windhsear detection, and terrain display.
FAA holder: Duncan Aviation Inc
ST01642CH-DAvionics
Installation of Honeywell Enhanced Ground Proximity Warning System (EGPWS), with Windshear Detection and Terrain Display in accordance with Duncan Aviation Master Drawing List DA0205-02R revision A, dated September 23, 2002 or later FAA approved revision.
FAA holder: Duncan Aviation Inc
ST441CH-DAvionics
Installation of Universal Navigation Corporation UNS-1B+ Flight Management System, with software level (SCN) 603.x and GPS-1000 GPS Sensor with software level (SCN) 10.x, in accordance with Kal-Aero Drawing List KA9611-11R, Revision A, dated April 28, 1998, or later FAA approved revision.
FAA holder: Duncan Aviation Inc
ST443CH-DAvionics
Installation of a AlliedSignal/Bendix King KLN-90B GPS system for enroute and terminal operation, GPS non-precision approach.
FAA holder: Duncan Aviation Inc
ST734CH-DAvionics
Installation of Universal Navigation corp UNS-1K flight management system, using software (SCN) 602.x.
FAA holder: Duncan Aviation Inc
ST00743CH-DAvionics
Installation of a single UNS-1Msp Flight Management System on EFIS equipped aircraft.
FAA holder: Duncan Aviation Inc
ST02399CHAvionics
Installation of a Universal Avionics EFI-890R Electronic Flight Instrument System.
FAA holder: Stevens Aviation Inc.
ST02402CHAvionics
Installation of an L3 Avionics GH-3100 Electronic Standby Instrument System (ESIS).
FAA holder: Stevens Aviation Inc.
ST02403CHAvionics
Installation of a single Universal Avionics UNS-1L Flight Management System or single or dual Universal Avionics UNS-1Lw or UNS-1Fw Flight Management Systems.
FAA holder: Stevens Aviation Inc.
SA01768CH-DAvionics
Installation of Universal Avionics Systems Corporation (UASC) EFI-890R Flat Panel Displays and Optional Copilot APS-65 Flight Director Auto Pilot System in accordance with Duncan Aviation, Inc., Master Drawing List, No. 050218004, Revision B, dated June 15, 2005 or later FAA approved revision.
FAA holder: Duncan Aviation Inc
ST00600CH-DAvionics
Upgrade of the existing AlliedSignal MK-V Ground Proximity Warning System with Windshear Detection, to the AlliedSignal Enhanced Ground Proximity Warning System with Windshear Dectection, Software level -210-210 and optional Terrain Display.
FAA holder: Duncan Aviation Inc
ST01205CH-DAvionics
Installation of Universal Avionics Sytems Terrain Awareness Warning System (TAWS).
FAA holder: Duncan Aviation Inc
ST01211CH-DAvionics
Installation of Universal Avionics Systems Terrain Awareness Warning System (TAWS).
FAA holder: Duncan Aviation Inc
ST01373CH-DAvionics
Installation of Universal Avionics Systems Corporation UNS-1F Flight Management System. For serial number 260 and above.
FAA holder: Duncan Aviation Inc
ST01646CH-DAvionics
Installationof Honeywell MK VIII Enhanced Ground Proximity Warning System (EGPWS) with -011 Application Software and Optional Terrain Display.
FAA holder: Duncan Aviation Inc
ST01761CH-DAvionics
Upgrade of Existing Honeywell Enhanced Ground Proximity Warning System (EGPWS) with Windshear Detection and Terrain Display to Software Version -218-218.
FAA holder: Duncan Aviation Inc
ST02359CH-DAvionics
Modification of the Rockwell Collins TDR-94D Transponders and RTU-870 Radio Tuning Units to Elementary (Flight ID) and Enhanced Surveillance capable equipment.
FAA holder: Duncan Aviation Inc
ST02370CH-DAvionics
Upgrade of the existing dual Universal Avionics Systems Corporation UNS-1D Flight Management System to UNS-1D+ Flight Managment systems.
FAA holder: Duncan Aviation Inc
ST434CH-DAvionics
Installation of Dual Trimble TNL8100 GPS Navigation Systems.
FAA holder: Duncan Aviation Inc
ST020404NY-DAvionics
Installation of a Panasonic Avionics Corporation Overhead In-Flight Entertainment System.
FAA holder: Delta Engineering Corporation
ST9214SC-DAvionics
Installation of a Self Protection System including a Large Aircraft Infrared Counter Measure (LAIRCM) System, the passive RADAR Warning Receiver (RWR) System and the Countermeasure Dispenser System (CMDS). The Type Design Change is defined.
FAA holder: L-3 Communications Integrated Systems LP
ST01842SEAvionics
Installation of a Sandel Avionics Horizontal Situation Indicator (HSI) and Attitude Direction Indicator (ADI).
FAA holder: Butler National Corporation
SA2133SOAvionics
Installation of the Tracor TA7880 Omega/VLF Navigation System.
FAA holder: Amerijet International Inc
SA1357SOAvionics
Installation of Global GNS 500A series 3B VLF/Omega navigation system and optional Vandling NDB-2 navigation data base.
FAA holder: Page AvJet Corp
SA1365SOAvionics
Installation of Litton LTN-211 Omega/VLF navigation system and Litton LTN-72RL area navigation system.
FAA holder: Page AvJet Corp
SA1402SOAvionics
Installation of dual Litton LTN-211 Omega/VLF navigation system.
FAA holder: Page AvJet Corp
SA1432SOAvionics
Installation of Delco carousel six inertial navigation system.
FAA holder: Page AvJet Corp
SA1435SOAvionics
Installation of dual Sperry ADZ800 air data computer with VN800 vertical navigation computer or VN801 vertical navigation computer.
FAA holder: Page AvJet Corp
SA1436SOAvionics
Installation of dual Sperry EDZ800 electronic flight instrument system.
FAA holder: Page AvJet Corp
SA1469SOAvionics
Installation of dual Delco carousel six inertial navigation system with Vandling NDB-2 NAV data base.
FAA holder: Page AvJet Corp
SA1480SOAvionics
Installation of a Delco Carousel six inertial navigation system with Vandling NDB-2 data base.
FAA holder: Page AvJet Corp
SA1485SOAvionics
Installation of a Honeywell YG-1761 inertial navigation system with Vandling NDB-2 data base.
FAA holder: Page AvJet Corp
SA1496SOAvionics
Installation of a dual Delco Carousel Six Inertial Navigation System with Vandling NDB-2 data base.
FAA holder: Page AvJet Corp
SA1501SOAvionics
Installation of a TRACOR Model 7800 OMEGA/VLF navigation system.
FAA holder: Page AvJet Corp
SA1564SOAvionics
Installation of a single Litton LTN-211 VLG/Omega navigation system.
FAA holder: Page AvJet Corp
SA1588SOAvionics
Installation of a single Global GNS 500A Series 3B VLF/Omega Navigation System and dual Litton LTN 72 inertial navigation system.
FAA holder: Page AvJet Corp
SA1600SOAvionics
Installation of a dual Global GNS500A Series 3B Omega/VLF navigation system.
FAA holder: Page AvJet Corp
SA1613SOAvionics
Installation of a dual Sperry EDZ801 electronic flight instrument system (EFIS).
FAA holder: Page AvJet Corp
SA1656SOAvionics
Installation of a dual global GNS-1000 flight management system with NDB-2 navigation data bank.
FAA holder: Page AvJet Corp
SA1658SOAvionics
Installation of a dual Sperry ADZ800 air data computer system with VN 801 vertical navigation system. Issued 9/13/84.
FAA holder: Page AvJet Corp
SA1660SOAvionics
Installation of a dual Sperry EDZ801 electronic flight instrument system (EFIS).
FAA holder: Page AvJet Corp
SA1686SOAvionics
Installation of a dual Litton inertial navigation system LTN-51.
FAA holder: Page AvJet Corp
SA1693SOAvionics
Installation of a triple Universal Navigation Corp. UNS-1 flight management system.
FAA holder: Page AvJet Corp
SA1704SOAvionics
Installation of a single Global GNS-500A series 3B VLF/Omega Navigation System.
FAA holder: Page AvJet Corp
SA1794SOAvionics
Installation of dual Sperry electronic flight instrument system EDZ-800/801 with multi-function display.
FAA holder: Page AvJet Corp
SA1821SOAvionics
Installation of single Litton LTN-72RL (048 pgm) Inertial Navigation System.
FAA holder: Page AvJet Corp
SA1855SWAvionics
Installation of dual Sperry SPI 77A flight director system.
FAA holder: Page AvJet Corp
SA1891SOAvionics
Installation of dual Litton LTN-72RL (048 pgm) inertial navigation system.
FAA holder: Page AvJet Corp
SA1897SWAvionics
Installation of Collins FD 109Y/Z flight director system.
FAA holder: Page AvJet Corp
SA1935SWAvionics
Installation of Collins FD 109Z and FD 109Y flight director system.
FAA holder: Page AvJet Corp
SA1953SWAvionics
Installation of Carousel IV-A inertial navigation system.
FAA holder: Page AvJet Corp
SA2033SOAvionics
Conversion of a Dual Delco Carousel Four Inertial Navigation System (INS) to a Carousel Six INS with Global NDB-2 data base.
FAA holder: Page AvJet Corp
SA2441SOAvionics
Installation of a Dual Universal Navigation Model UNS-1A Flight Management System with Omega.
FAA holder: Page AvJet Corp
SA2466SOAvionics
Installation of a Honeywell Primus P870 Weather Radar System.
FAA holder: Page AvJet Corp
SA2484SWAvionics
Install dual IDC P/N 525-18711-160 altimeters or dual IDC P/N525-29711-006 RADBAR altimeters with IDC P/N 995-29400-107/207/307 radio altimeter converters.
FAA holder: Page AvJet Corp
SA2497SOAvionics
Installation of a Litton LTN-92 Inertial Navigation System with NDB-2 data base.
FAA holder: Page AvJet Corp
SA2591SOAvionics
Installation of a Dual Honeywell Lasernav II Inertial Navigation System.
FAA holder: Page AvJet Corp
SA2592SOAvionics
Installation of a Single Global GNS-500A-Series 3B Navigation System.
FAA holder: Page AvJet Corp
SA2671SOAvionics
Installation of a single stand alone Universal Navigation (UNS-1A) Flight Management System.
FAA holder: Page AvJet Corp
SA2686SWAvionics
Installation of autopilot air data additions and switching.
FAA holder: Page AvJet Corp
SA2687SWAvionics
Installation of dual Litton LTN 72 Inertial Navigation System.
FAA holder: Page AvJet Corp
SA2689SOAvionics
Installation of a Dual Litton LTN-72RL Inertial Navigation System.
FAA holder: Page AvJet Corp
SA2785SOAvionics
Installation of a Dual Litton LTN-72 inertial navigation system.
FAA holder: Page AvJet Corp
SA2940SOAvionics
Installation of a single Collins ARINC 708 weather radar system(WXR-700).
FAA holder: Page AvJet Corp
SA4005SWAvionics
Install Canadian Marconi CMA-740 Omega navigation system.
FAA holder: Page AvJet Corp
SA4282SWAvionics
Fabricate and install two each identical avionics accessory units.
FAA holder: Page AvJet Corp
SA4349SWAvionics
Installation of Delco Carousel IV A-X inertial navigation system with DME update.
FAA holder: Page AvJet Corp
SA4382SWAvionics
Installation of single or dual Litton LTN-72RL area navigation system.
FAA holder: Page AvJet Corp
SA4453SWAvionics
Installation of Collins RNS-300A radar navigation system.
FAA holder: Page AvJet Corp
SA4721SWAvionics
Installation of Sperry Data III NAV III enroute navigation display and electronic checklist.
FAA holder: Page AvJet Corp
SA4932SWAvionics
Installation of global GNS-500A, VLF/Omega navigation system with Vandling navigation data bank.
FAA holder: Page AvJet Corp
SA4933SWAvionics
Installation of Sperry data NAV III enroute navigation display and electronic checklist.
FAA holder: Page AvJet Corp
SA4934SWAvionics
Installation of Delco Carousel IV A-X inertial navigation system.
FAA holder: Page AvJet Corp
SA5546SWAvionics
Installation of dual Sperry electronic flight instrument system EDZ-800/801.
FAA holder: Page AvJet Corp
SA5578SWAvionics
Installation of dual Delco C-SIX-BC inertial navigation system.
FAA holder: Page AvJet Corp
SA5609SWAvionics
Installation of Honeywell YG-1761 inertial navigation system with Global NDB-2 navigation data base.
FAA holder: Page AvJet Corp
SA5618SWAvionics
Installation of Marconi CMA-711 VLF/Omega navigation service.
FAA holder: Page AvJet Corp
SA5634SWAvionics
Installation of Universal navigation UNS-l flight management system.
FAA holder: Page AvJet Corp
SA5833SWAvionics
Installation of Universal Navigation UNS-1 flight management system.
FAA holder: Page AvJet Corp
SH3884NMAvionics
Installation of navigation and communication equipment.
FAA holder: Air Methods Corporation