# N974AS: Diamond Aircraft Ind DA20-C1 - Status: Valid registration - Airframe: [Diamond Aircraft Ind DA20-C1](https://openairdocs.org/model/diamond-aircraft-ind-da20-c1) (registry code 2990001, 2 seats) - Data sheets: [TCDS TA4CH](https://openairdocs.org/tcds/TA4CH) (Diamond Aircraft Industries Inc.) (OpenAirDocs) - Serial number: C0794 - Type: Fixed wing single engine - Engine type: Reciprocating - Certificate issued: August 11, 2026 - Expires: August 31, 2033 - Mode S code: AD9292 - Registered owner: [Diamond Aircraft Sales U S A Inc](https://openairdocs.org/faa-owner/DIAMOND%20AIRCRAFT%20SALES%20U%20S%20A%20INC) - Location: London Ontario, Canada - Owner type: Non-citizen corporation - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=974AS - Page: https://openairdocs.org/aircraft/N974AS From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. ## ADs that may apply (OpenAirDocs): 3 in force ### Matched by airframe (Diamond Aircraft Ind DA20-C1) - [AD 2026-15-18](https://openairdocs.org/ad/2026-15-18): Emergency Locator Beacon · Diamond Aircraft Industries DA20-C1. Effective Sep 8, 2026 - [AD 2022-03-15](https://openairdocs.org/ad/2022-03-15): Fuel Quantity Indicator · Garmin G3X Touch Electronic Flight Instrument System (STC SA01899WI or SA02658SE). Effective Mar 21, 2022 - [AD 2005-01-19](https://openairdocs.org/ad/2005-01-19): Mode S transponders · GARMIN International GTX 330D, GTX 330, GTX 33D and 830 more. Effective Feb 23, 2005 ## Information bulletins (advisory) (2 in force) - [SAIB SW-18-31](https://openairdocs.org/saib/SW-18-31): NAVIGATION, ATTITUDE, AND DIRECTION DATA SYSTEM. Issued Nov 21, 2018 - [SAIB CE-12-09](https://openairdocs.org/saib/CE-12-09): Landing Gear, Nose: Diamond DA20 Nose Landing Fork Assembly. Issued Dec 22, 2011 ## NTSB investigations None matched to N974AS. ## NTSB investigations on N974AS not matched to an aircraft (1) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB SEA00IA050](https://openairdocs.org/ntsb/SEA00IA050), Mar 12, 2000: McDonnell Douglas MD-83 (N974AS), Seattle, WA, incident, minor damage. Probable cause: The flight crew's encounter with a suspicious device, which necessitated an emergency evacuation. ## FAA accident and incident reports None matched to N974AS. ## Reports on N974AS not matched to an aircraft (3) They name N974AS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft. - [Incident 20000311003859I](https://openairdocs.org/incident/20000311003859I), Mar 11, 2000: Doug DC983 (N974AS), Seattle, WA. Alaska flight 444, returned to ksea shortly after departuredue to discovery by a lfight attendant of what appeared to be explosive device (mbs) found on a… - [Incident 19980723029209I](https://openairdocs.org/incident/19980723029209I), Jul 23, 1998: Doug DC983 (N974AS), Burbank, CA, Minor damage. Birds ingested into right engine on takeoff. Additional bird strike on radome. Landed back at bur on runway 15 without incident. Aircraft repaired by Alaska… - [Incident 19950130005689I](https://openairdocs.org/incident/19950130005689I), Jan 30, 1995: Doug DC983 (N974AS), Los Angeles, CA, Minor damage. Narrative: while executing a crossbleed start during tow, tug driver applied brakes jack-knifing tug and breaking tow bar. Aircraft struck tug cab. Minor… ## Service difficulty reports None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. ## Service difficulty reports on N974AS not matched to an aircraft (122, newest 50) They name N974AS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft. - [SDR ASAA0580296](https://openairdocs.org/sdr/ASAA0580296), May 23, 2005: FRAME. CORRODED. OKC - FOUND DURING C-CHECK, FRAME CORRODED AROUND FASTENERS. REMOVED DAMAGED SECTION. INSTALLED REPAIR DOUBLER AND FILLER. (M) - [SDR ASAA0580295](https://openairdocs.org/sdr/ASAA0580295), May 23, 2005: FRAME. CORRODED. OKC - DURING C-CHECK, FOUND FRAME CORRODED AROUND FASTENERS. REMOVED DAMAGED SECTIONS. INSTALLED REPAIR DOUBLER AND FILLER. (M) - [SDR ASAA0580294](https://openairdocs.org/sdr/ASAA0580294), May 23, 2005: INTERCOSTAL. CORRODED. OKC - DURING C-CHECK, FOUND INTERCOSTAL CORRODED. REPLACED INTERCOSTAL. (M) - [SDR ASAA0580293](https://openairdocs.org/sdr/ASAA0580293), May 23, 2005: INTERCOSTAL. CORRODED. OKC - DURING CHECK, INTERCOSTAL CORRODED ON LOWER HORIZONTAL AND VERTICAL FLANGES. REPLACED INTERCOSTAL. (M) - [SDR ASAA0580270](https://openairdocs.org/sdr/ASAA0580270), May 17, 2005: FLOORBOARD. DAMAGED. OKC - DURING C-CHECK, FOUND CABIN FLOORBOARD STATION 886 TO 946 RBL 22 TO LBL 22 HAS FIBER DAMAGE ON UPPER FACE AD TORN OUT INSERTS. REMOVED AND REPLACED FLOORB - [SDR ASAA0580269](https://openairdocs.org/sdr/ASAA0580269), May 17, 2005: SEAT TRACK. CORRODED. OKC - DURING C-CHECK, FOUND CABIN SEAT TRACK LBL 44 STATION 1174 IS EXFOLIATED. REMOVED AND REPLACED SEAT TRACK. (M) - [SDR ASAA0580268](https://openairdocs.org/sdr/ASAA0580268), May 17, 2005: CHANNEL. CRACKED. OKC - FOUND DURING C-CHECK, CABIN FLOORBOARD STATION 1155 TO 1250 LBL 44 TO 54 HAT CHANNEL IS CRACKED. COMPLETED A FIBERGLASS REPAIR. (M) - [SDR ASAA0580267](https://openairdocs.org/sdr/ASAA0580267), May 17, 2005: LONGERON. CORRODED. OKC - FOUND DURING C-CHECK, LONGERON 30 IS CORRODED ON THE TOWER SURFACE OF THE INBOARD FLANGE AT STATION 1198 TO 1203. REMOVED DAMAGED PERFORMED HFEC INSPECTIO - [SDR ASAA0580266](https://openairdocs.org/sdr/ASAA0580266), May 17, 2005: LONGERON. CORRODED. OKC - FOUND DURING C-CHECK, LONGERON 29L IS CORRODED ON THE LOWER SURFACE OF THE INBOARD FLANGE AT STATION 1206. REMOVED AND REPLACED DAMAGED LONGERON AND INSTA - [SDR ASAA0580265](https://openairdocs.org/sdr/ASAA0580265), May 17, 2005: SHEAR TIE. CORRODED. OKC - DURING C-CHECK, FOUND SHEAR TIE CORRODED AT STATION 1219 BETWEEN LONGERON 29 AND 30R. REMOVED AND REPLACED DAMAGED SHEAR TIE. (M) - [SDR ASAA0580264](https://openairdocs.org/sdr/ASAA0580264), May 17, 2005: SKIN. CORRODED. OKC - FOUND DURING C-CHECK, MID CARGO COMPARTMENT STATION 731 LONGERON 30 SKIN AROUND DRAIN COVER IS CORRODED. REMOVED DAMAGE AND INSTALLED REPAIR DOUBLER. (M) - [SDR ASAA0580263](https://openairdocs.org/sdr/ASAA0580263), May 17, 2005: INTERCOSTAL. CORRODED. OKC - FOUND DURING C-CHECK, LONGERON 28R INTERCOSTAL IS CORRODED BETWEEN STATION 1003 AND 1022. REMOVED AND REPLACED INTERCOSTAL. (M) - [SDR ASAA0580261](https://openairdocs.org/sdr/ASAA0580261), May 15, 2005: LONGERON. CORRODED. OKC - DURING C-CHECK, FOUND LONGERON 30 IS CORRODED AT STATION 1220. REMOVED AND REPLACED STRAP. (M) - [SDR ASAA0580260](https://openairdocs.org/sdr/ASAA0580260), May 15, 2005: SPLICE. CORRODED. OKC - DURING C-CHECK, FOUND STATION 1155 FRAME SPLICE STRAP IS CORRODED. REMOVED AND REPLACED STRAP. (M) - [SDR ASAA0580259](https://openairdocs.org/sdr/ASAA0580259), May 15, 2005: SKIN. GOUGED. OKC - DURING C-CHECK, RIGHT WING INBOARD FLAP GOUGED OUTBOARD OF BUTT JOINT BOTTOM SURFACE. REMOVED DAMAGE, AND INSTALLED DOUBLER IN FLAP SKIN. (M) - [SDR ASAA0580258](https://openairdocs.org/sdr/ASAA0580258), May 15, 2005: SEAT TRACK. CORRODED. OKC - DURING C-CHECK, FOUND CABIN SEAT TRACK BL 44 STATION 218-237 IS CORRODED. REMOVED AND REPLACED DAMAGED SECTION OF TRACK. (M) - [SDR ASAA0580257](https://openairdocs.org/sdr/ASAA0580257), May 15, 2005: BEAR STRAP. CORRODED. OKC - DURING C-CHECK, AFT CARGO COMPARTMENT DOOR CUTOUT BEAR STRAP IS CORRODED AT STATION 1210. REMOVED DAMAGE AND INSTALLED REPAIR INTERNAL FILLER, EXTERNAL DO - [SDR ASAA0580256](https://openairdocs.org/sdr/ASAA0580256), May 15, 2005: STRUCTURE. CORRODED. OKC - DURING C-CHECK, AFT CARGO COMPARTMENT LONGERON IS CORRODED ON BETWEEN 27R AND 27L. REMOVED AND REPLACED DAMAGED FRAME SEGMENT AND REPAIR ANGLES. (M) - [SDR ASAA0580255](https://openairdocs.org/sdr/ASAA0580255), May 15, 2005: LONGERON. CORRODED. OKC - DURING C-CHECK, FOUND LONGERON 30 IS CORRODED ON FLANGES AT STATION 1237-1241. REMOVED AND REPLACED DAMAGED LONGERON. (M) - [SDR ASAA0580254](https://openairdocs.org/sdr/ASAA0580254), May 15, 2005: FRAME. CORRODED. OKC - DURING C-CHECK, FOUND FRAME AT STATION 1155 CORRODED. REMOVED AND REPLACED DAMAGED FRAME. (M) - [SDR ASAA0580252](https://openairdocs.org/sdr/ASAA0580252), May 9, 2005: FLOORBOARD. DELAMINATED. OKC - DURING C-CHECK, FOUND FLOORBOARD STATION 160 IS DELAMINATED. REMOVED AND REPLACED FLOORBOARD. (M) - [SDR ASAA0580251](https://openairdocs.org/sdr/ASAA0580251), May 9, 2005: FRAME. CORRODED. OKC - FOUND DURING C-CHECK, FRAME CORRODED AT STATION 1212. REMOVED DAMAGE AND INSTALLED A REPAIR ANGLE. (M) - [SDR ASAA0580250](https://openairdocs.org/sdr/ASAA0580250), May 9, 2005: FLOORBOARD. DELAMINATED. OKC - DURING C-CHECK, FOUND OVERWING FLOORBOARD AT STATION 827 IS DELAMINATED. REMOVED AND REPLACED FLOORBOARD. (M) - [SDR ASAA0580249](https://openairdocs.org/sdr/ASAA0580249), May 9, 2005: FLOORBOARD. DELAMINATED. OKC - DURING C-CHECK, FOUND RIGHT OVERWING FLOORBOARD AT STATION 807 IS DELAMINATED. REMOVED AND REPLACED FLOORBOARD. (M) - [SDR ASAA0580247](https://openairdocs.org/sdr/ASAA0580247), May 9, 2005: SKIN. DENTED. OKC - DURING C-CHECK, FOUND FUSELAGE SKIN HAD DENT AT STATION 1220 LEFT 6 INCHES ABOVE CUSP LINE. COLD WORKED DENT AND INSTALLED SKIN AND DOUBLER. (M) - [SDR ASAA0580246](https://openairdocs.org/sdr/ASAA0580246), May 9, 2005: SKIN. LIGHTNING STRIKE. OKC - DURING C-CHECK, FOUND FUSELAGE SKIN HAS LIGHTNING STRIKE AT STATION 275 BETWEEN L1 AND L2. REMOVED DAMAGE INSTALLED SKIN AND DOUBLER. (M) - [SDR ASAA0580245](https://openairdocs.org/sdr/ASAA0580245), May 9, 2005: SKIN. DENTED. OKC - FOUND DURING C-CHECK, FUSELAGE HAS TWO DENTS AT STATION 233 LONGERON 17 AND 18L. REMOVED DAMAGE, INSTALLED SKIN AND DOUBLER. (M) - [SDR ASAA0580243](https://openairdocs.org/sdr/ASAA0580243), May 9, 2005: DOOR FRAME. CRACKED. OKC - FOUND DURING C-CHECK, FORWARD ENTRY DOOR LEFT DOOR FRAME LOWER FINGER CRACKED. REMOVED DAMAGE INSTALLED FILLER AND DOUBLER. (M) - [SDR ASAA0580242](https://openairdocs.org/sdr/ASAA0580242), May 9, 2005: CUSP WEB. CORRODED. OKC - FOUND DURING C-CHECK, CUSP WEB CORRODED AT STATION 399. REMOVED CORROSION AND INSTALLED SEGMENT AND DOUBLER. (M) - [SDR ASAA0580241](https://openairdocs.org/sdr/ASAA0580241), May 9, 2005: CUSP WEB. CORRODED. OKC - FOUND DURING C-CHECK, CUSP WEB CORRODED AT STATION 1158 TO 1166. REMOVED CORROSION AND INSTALLED SEGMENT AND DOUBLER. (M) - [SDR ASAA0580240](https://openairdocs.org/sdr/ASAA0580240), May 9, 2005: CUSP WEB. CORRODED. OKC - FOUND DURING C-CHECK, CUSP WEB CORRODED AT STATION 416 TO 419. REMOVED CORROSION AND INSTALLED DOUBLER. (M) - [SDR ASAA0580239](https://openairdocs.org/sdr/ASAA0580239), May 9, 2005: FLOORBOARD. DELAMINATED. OKC - DURING C-CHECK, FOUND CABIN FLOORBOARD DELAMINATED. REMOVED AND REPLACED FLOORBOARD. (M) - [SDR ASAA0580238](https://openairdocs.org/sdr/ASAA0580238), May 9, 2005: CHANNEL. CRACKED. OKC - FOUND DURING C-CHECK, CABIN FLOORBOARD HAT CHANNEL IS CRACKED. REMOVED AND REPLACED DAMAGED HAT CHANNEL. (M) - [SDR ASAA0580237](https://openairdocs.org/sdr/ASAA0580237), May 9, 2005: CHANNEL. GOUGED. OKC - FOUND DURING C-CHECK, CABIN FLOORBOARD HAT CHANNEL IS GOUGED. REMOVED AND REPLACED DAMAGED HAT CHANNEL. (M) - [SDR ASAA0580235](https://openairdocs.org/sdr/ASAA0580235), May 9, 2005: FLOORBOARD. PUNCTURED. OKC - FOUND DURING C-CHECK, CABIN FLOORBOARD HAS TWO PUNCTURES AND IS DELAMINATED. REMOVED AND REPLACED FLOORBOARD. (M) - [SDR ASAA0580234](https://openairdocs.org/sdr/ASAA0580234), May 9, 2005: CHANNEL. CRACKED. OKC - FOUND DURING C-CHECK, CABIN FLOORBOARD HAT CHANNEL IS CRACKED. REPLACED HAT CHANNEL. (M) - [SDR ASAA0580233](https://openairdocs.org/sdr/ASAA0580233), May 9, 2005: FLOOR PANEL. DAMAGED. OKC - FOUND DURING C-CHECK, FLOORBOARD HAS INSERTS PULLED OUT. REPLACED FLOOR PANEL. (M) - [SDR ASAA0580232](https://openairdocs.org/sdr/ASAA0580232), May 9, 2005: FLOOR PANEL. DELAMINATED. OKC - FOUND DURING C-CHECK, CABIN FLOORBOARD IS DELAMINATED. REPLACED FLOOR PANEL. (M) - [SDR ASAA0580231](https://openairdocs.org/sdr/ASAA0580231), May 9, 2005: FLOOR PANEL. PUNCTURED. OKC - FOUND DURING C-CHECK, CABIN FLOORBOARD IS PUNCTURED. REPLACED FLOOR PANEL. (M) - [SDR ASAA0580230](https://openairdocs.org/sdr/ASAA0580230), May 9, 2005: FLOORBOARD. DAMAGED. OKC - FOUND DURING C-CHECK, CABIN FLOORBOARD HAS UPPER FACE FIBER DAMAGE. REPLACED FLOOR PANEL. (M) - [SDR ASAA0580229](https://openairdocs.org/sdr/ASAA0580229), May 9, 2005: FLOOR PANEL. DELAMINATED. OKC - FOUND DURING C-CHECK, CABIN FLOORBOARD IS DELAMINATED. REPLACED FLOOR PANEL. (M) - [SDR ASAA0580228](https://openairdocs.org/sdr/ASAA0580228), May 9, 2005: FLOOR PANEL. DELAMINATED. OKC - FOUND DURING C-CHECK, FLOORBOARD IS DELAMINATED. REPLACED FLOOR PANEL. (M) - [SDR ASAA0580227](https://openairdocs.org/sdr/ASAA0580227), May 9, 2005: FLOORBOARD. TORN. OKC - FOUND DURING C-CHECK, FLOORBOARD HAD TORN OUT INSERTS. REPLACED FLOOR PANEL. (M) - [SDR ASAA0580226](https://openairdocs.org/sdr/ASAA0580226), May 9, 2005: FLOOR PANEL. CRACKED. OKC - FOUND DURING C-CHECK, CABIN FLOORBOARD IS CRACKED. REPLACED FLOOR PANEL. (M) - [SDR ASAA0580225](https://openairdocs.org/sdr/ASAA0580225), May 9, 2005: FLOOR PANEL. DELAMINATED. OKC - FOUND DURING C-CHECK, CABIN FLOORBOARD IS DELAMINATED. REPLACED FLOOR PANEL. (M) - [SDR ASAA0580244](https://openairdocs.org/sdr/ASAA0580244), May 9, 2005: FLOOR PANEL. CORRODED. OKC - FOUND DURING C-CHECK, FLOORBOARD HAS THREE CORRODED INSERTS. REPLACED FLOOR PANEL. (M) - [SDR ASAA0580223](https://openairdocs.org/sdr/ASAA0580223), May 9, 2005: FLOOR PANEL. DAMAGED. OKC - FOUND DURING C-CHECK, FORWARD ENTRY FLOOR PANEL CORE DAMAGED. REPLACED FLOOR PANEL. (M) - [SDR ASAA0580222](https://openairdocs.org/sdr/ASAA0580222), May 9, 2005: FLOOR PANEL. DELAMINATED. OKC - FOUND DURING C-CHECK, CABIN FLOOR PANEL DELAMINATING. REPLACED FLOOR PANEL. (M) - [SDR ASAA0580221](https://openairdocs.org/sdr/ASAA0580221), May 9, 2005: FLOOR PANEL. DELAMINATED. OKC - FOUND DURING C-CHECK, CABIN FLOOR PANEL EDGES SEPARATING, DELAMINATING. REPLACED FLOOR PANEL. (M) - [SDR ASAA0580473](https://openairdocs.org/sdr/ASAA0580473), May 5, 2005: FLOOR SUPPORT. CORRODED. OKC - DUIRNG C-CHECK, PASSENGER CABIN FLOOR TRACK CORRODED. REPLACED DAMAGED TRACK. (M) All 122: https://openairdocs.org/aircraft/N974AS/unmatched-reports.md ## STCs that may be installed (OpenAirDocs) (84, first 50) Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do. ### Approved for the airframe (Diamond Aircraft Ind DA20-C1) - [STC SA02571SE](https://openairdocs.org/stc/SA02571SE): Installation of Garmin G500/G600 TXi Integrated Avionics System (Primary Flight Display, Multi-Function Display, and Engine Indicating System Display). Garmin International Inc - [STC SA01800SE](https://openairdocs.org/stc/SA01800SE): Fabrication and installation of new or replacement of existing instrument panel lights dimmer control. TCW Technologies, LLC - [STC SA01861SE](https://openairdocs.org/stc/SA01861SE): Fabrication and installation of Landing Light Controller. TCW Technologies, LLC - [STC SA02279AT](https://openairdocs.org/stc/SA02279AT): Installation of a Boom Beam bulb, starter, and ballast. Whelen Aerospace Technologies - [STC SA04837NY](https://openairdocs.org/stc/SA04837NY): Installation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lights. AeroLED's Holdings, LLC - [STC SA12406WI](https://openairdocs.org/stc/SA12406WI): Installation of a Garmin AXIS Flight Display System. Garmin International Inc - [STC SA02636SE](https://openairdocs.org/stc/SA02636SE): Installation of Garmin GPS 175 Navigation System and GNX 375 Navigation System with ADS-B In/Out Transponder. Garmin International Inc - [STC SA02019SE-D](https://openairdocs.org/stc/SA02019SE-D): Installation of Garmin Model GTN 625/635/650; 725/750 Navigation System. Garmin International Inc - [STC SA00079NY](https://openairdocs.org/stc/SA00079NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K008 on single and multi engine fixed wing light aircraft incorporating Teledyne Continental reciprocating engines of 450 horsepower or less. Airwolf Filter Corporation - [STC SA02738CH](https://openairdocs.org/stc/SA02738CH): Installation of L-3 Communications Avionics Systems. Acron Aviation Inc - [STC SA04046CH PAGE 1](https://openairdocs.org/stc/SA04046CH%20PAGE%201): Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500). Acron Aviation Inc - [STC SA04378CH](https://openairdocs.org/stc/SA04378CH): Installation of an engine modified per STC SE04349CH. SureFly Partners Ltd - [STC SA02658SE](https://openairdocs.org/stc/SA02658SE): Installation of Garmin GI 275 Multi-Function Display System. Garmin International Inc - [STC SA01899WI](https://openairdocs.org/stc/SA01899WI): Installation of Garmin G3X Touch Electronic Flight Instrument System. Garmin International Inc - [STC SA02019WI](https://openairdocs.org/stc/SA02019WI): Installation of the Trig Avionics TX56, TX56A, TX57, or TX57A VHF Nav-Com Radio. Peregrine - [STC SA02987CH](https://openairdocs.org/stc/SA02987CH): Installation of the Electroair Electronic Ignition System. Electroair Acquisition Corporation - [STC SA01967WI](https://openairdocs.org/stc/SA01967WI): Use of GAMI G100UL High Octane Unleaded Avgas. General Aviation Modifications Inc - [STC SA02444AK](https://openairdocs.org/stc/SA02444AK): Approval of the L-3 Communications NGT 9000/9000R ADS-B system installed. ADS-B Technologies LLC - [STC SA01818WI](https://openairdocs.org/stc/SA01818WI): Installation of Garmin G5 Electronic Flight Instrument. Garmin International Inc - [STC SA11174SC PAGE 1](https://openairdocs.org/stc/SA11174SC%20PAGE%201): Installation of BendixKing by Honeywell KSN 770 and KSN 765 WAAS LPV approach capable nav/comm systems. Honeywell International Inc (Bendix King) - [STC SA10822SC](https://openairdocs.org/stc/SA10822SC): Installation of EFD1000 Primary Flight Display. Aspen Avionics Inc - [STC SA00401BO](https://openairdocs.org/stc/SA00401BO): Installation of a SkyTrax100B UAT receiver. Avidyne Corporation - [STC SA00410BO](https://openairdocs.org/stc/SA00410BO): Installation of an AV-30-C Multi-Mode Indicator. uAvionix Corporation - [STC SA10236SC](https://openairdocs.org/stc/SA10236SC): Installation of a GDC 31 Roll Steering Converter. DAC International Inc - [STC SA01714WI](https://openairdocs.org/stc/SA01714WI): 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 SA04032CH](https://openairdocs.org/stc/SA04032CH): Install rocker switch assemblies. Electroair Acquisition Corporation - [STC SA00344BO PAGE 1](https://openairdocs.org/stc/SA00344BO%20PAGE%201): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. Whelen Aerospace Technologies - [STC SA00744DE](https://openairdocs.org/stc/SA00744DE): Installation of the Automatic Dependent Surveillance Broadcast (ADS-B) Out Equipment using a Trig Avionics TT31 Transponder and an approved position sensor. Peregrine - [STC SA00765DE](https://openairdocs.org/stc/SA00765DE): Installation of Automatic Dependent Surveillance Broadcast (ADS-B) Out functionality using the BendixKing KT74 Transponder and qualified position sensor. Peregrine - [STC SA04112CH](https://openairdocs.org/stc/SA04112CH): Installation of Appareo Systems, LLC Stratus ESG ADS-B transponder. Appareo Systems LLC - [STC SA04165NY](https://openairdocs.org/stc/SA04165NY): Installation of Latitude Technologies Skynode S200 Satcom system must be performed. Latitude Technologies Corporation - [STC SA02153LA-D PAGE 1](https://openairdocs.org/stc/SA02153LA-D%20PAGE%201): Installation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) System. Garmin International Inc - [STC SA02013CH](https://openairdocs.org/stc/SA02013CH): Installation of Avidyne Corporation Traffic Advisory System (TAS). Avidyne Corporation - [STC SA01835WI](https://openairdocs.org/stc/SA01835WI): Installation of Trig Avionics TY-96 or TY-97 VHF Communications Radio. Peregrine - [STC SA01933LA-D](https://openairdocs.org/stc/SA01933LA-D): Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System. Garmin International Inc - [STC SA02212AK](https://openairdocs.org/stc/SA02212AK): Replacement of existing landing and/or taxi light reflector and bulbs with high intensity discharge (HID) lighting systems. Seaplanes North LLC - [STC SA2586NM](https://openairdocs.org/stc/SA2586NM): Installation of J.P. Instruments temperature monitoring systems. J P Instruments - [STC SA02428SE](https://openairdocs.org/stc/SA02428SE): Installation of an Air Stream Switch for an electric time recording device on non-pressurized aircraft. Henry F Rogers/David E Polley - [STC SA00343BO](https://openairdocs.org/stc/SA00343BO): 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 SA00352BO PAGE 1](https://openairdocs.org/stc/SA00352BO%20PAGE%201): 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 SA11172SC](https://openairdocs.org/stc/SA11172SC): Installation of an ADS600-B Automatic Dependent Surveillance-Broadcast (ADS-B) Universal Access Transceiver (UAT) and Global Positioning System (GPS) antenna. NavWorx Inc - [STC SA02119SE PAGE 1](https://openairdocs.org/stc/SA02119SE%20PAGE%201): Installation of Garmin GDL 88 ADS-B UAT Transceiver System. Garmin International Inc - [STC SA01229SE PAGE 1](https://openairdocs.org/stc/SA01229SE%20PAGE%201): Installation of GNS 480 (CNX80) GPS WAAS Navigator with integrated VHF Navigation and Communication radios. Garmin International Inc - [STC SA02442AK PAGE 1](https://openairdocs.org/stc/SA02442AK%20PAGE%201): Approval of the L-3 Communications NGT 2000/2500 ADS-B system. ADS-B Technologies, LLC - [STC SA01933LA-D PAGE 1](https://openairdocs.org/stc/SA01933LA-D%20PAGE%201): Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System. Garmin International Inc - [STC SA02930NY](https://openairdocs.org/stc/SA02930NY): 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 SA02283SE PAGE 1](https://openairdocs.org/stc/SA02283SE%20PAGE%201): Installation of Electronics International Inc. Glass Panel Engine Monitor (with In Flight Data) CGR-30P. Electronics International Inc - [STC SA02402SE PAGE 1](https://openairdocs.org/stc/SA02402SE%20PAGE%201): Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data) CGR-30C. Electronics International Inc - [STC SA00269BO](https://openairdocs.org/stc/SA00269BO): Installation of Avidyne Corporation TWX 670 Tactical Weather Detection System P/N 850-00026-000-( ) consisting of Avidyne Processor P/N 700-00033-000-( ), Sensor Systems Inc. Antenna P/N S72-1715-1 with doubler plate P/N S72-171530-1, and Avidyne Mounting Tray P/N 700-00034-000. Avidyne Corporation - [STC SA02717NY PAGE 1](https://openairdocs.org/stc/SA02717NY%20PAGE%201): Installation of VoiceFlight Systems LLC VFS101 Speech Recognition Module. VoiceFlight Systems LLC All 84: https://openairdocs.org/aircraft/N974AS/stcs.md ## Related - Other Diamond Aircraft Ind DA20-C1 aircraft: https://openairdocs.org/model/diamond-aircraft-ind-da20-c1/aircraft.md --- 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.