FAA-listed STC holder

Mayday Avionics Inc STCs

The Jun 30, 2026 FAA DRS snapshot lists 11 selected supplemental type certificates with status Current under Mayday Avionics Inc. The records span 22 public aircraft directories and 3 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.

listed Current at snapshot

aircraft directories

modification categories

Feb 16, 2016

latest recorded revision

Recently revised records

Showing the 11 most recently revised records. Category directories provide the complete paginated discovery path.

11 displayed records.

Search every indexed record for this holder. The table below contains the recently revised records shown on this page.

Mayday Avionics Inc supplemental type certificates, aircraft applicability, source status and dates
STC and modification	Aircraft / model / TC	Source status and dates	Holder and authority
SR04056CH Installation of L-3 Communications Avionics Systems Trilogy Electronic Standby Instrument (Model ESI-2000). Avionics View record	Airbus Helicopters AS-365N2TC H10EU Airbus Helicopters AS-365N3TC H10EU Airbus Helicopters SA-365NTC H10EU Airbus Helicopters SA-365N1TC H10EU	Current at cited snapshot Revised Feb 16, 2016 Application: Jan 30, 2014	FAA holder: Mayday Avionics Inc FAA authority record
SR03441CH Installation of TrueView Enhanced Vision System (EVS) T6-Series. Other aircraft modifications View record	Sikorsky Aircraft S-76ATC H1NE Sikorsky Aircraft S-76BTC H1NE Sikorsky Aircraft S-76CTC H1NE Sikorsky Aircraft S-76DTC H1NE	Current at cited snapshot Revised May 22, 2015 Application: Jun 7, 2013	FAA holder: Mayday Avionics Inc FAA authority record
SR02748CH Installation of a Honeywell Mark XXII Enhanced Ground Proximity Warning System (EGPWS). Safety and emergency equipment View record	Sikorsky Aircraft S-76ATC H1NE Sikorsky Aircraft S-76BTC H1NE Sikorsky Aircraft S-76CTC H1NE	Current at cited snapshot Revised Sep 2, 2009 Application: Sep 2, 2009	FAA holder: Mayday Avionics Inc FAA authority record
ST02174CH Upgrade of a Honeywell Mark V Enhanced Ground Proximity Warning System to add the Runway Awareness Advisory System (RAAS). Safety and emergency equipment View record	Gulfstream Aerospace GVTC A12EA	Current at cited snapshot Revised Aug 2, 2005 Application: Feb 8, 2005	FAA holder: Mayday Avionics Inc FAA authority record
ST02173CH Upgrade of a Honeywell Mark VII Enhanced Ground Proximity Warning System to add the Runway Awareness Advisory System (RAAS). Safety and emergency equipment View record	Raytheon Aircraft BAe.125 Series 800ATC A3EU Raytheon Aircraft BAe.125 Series 800BTC A3EU Raytheon Aircraft Hawker 800TC A3EU Raytheon Aircraft Hawker 800XPTC A3EU	Current at cited snapshot Revised Aug 1, 2005 Application: Feb 8, 2005	FAA holder: Mayday Avionics Inc FAA authority record
ST02132CH Installation of a Honeywell Mark VII Enhanced Ground Proximity Warning System with Terrain Display and Runway Awareness Advisory System (RAAS). Avionics View record	Boeing 727-100 SeriesTC A3WE Boeing 727-100C SeriesTC A3WE Boeing 727-200 SeriesTC A3WE Boeing 727-200F SeriesTC A3WE Boeing 727 SeriesTC A3WE Boeing 727C SeriesTC A3WE	Current at cited snapshot Revised Apr 7, 2005 Application: Aug 5, 2004	FAA holder: Mayday Avionics Inc FAA authority record
ST01907CH Installation of a Honeywell Mark V Enhanced Ground Proximity Warning System with Terrain Display. Avionics View record	Dassault-Aviation Mystere-Falcon 900TC A46EU	Current at cited snapshot Revised Dec 1, 2003 Application: Jan 13, 2003	FAA holder: Mayday Avionics Inc FAA authority record
ST01659CH Installation of a Dual Universal Avionics Systems UNS-1C+ Flight Management Systems. Installation of STC ST09297SC-D is a prerequisite. Avionics View record	Dassault-Aviation Falcon 2000TC A50NM	Current at cited snapshot Revised Jun 24, 2002 Application: Not listed	FAA holder: Mayday Avionics Inc FAA authority record
ST01332CH Installation of a Honeywell Traffic Alert and Collision Avoidance System (TCAS II) incorporating MOPS Change 7. Previous installation of STC SA2899SO required. Other aircraft modifications View record	Boeing 727 SeriesTC A3WE	Current at cited snapshot Revised Oct 19, 2000 Application: Not listed	FAA holder: Mayday Avionics Inc FAA authority record
ST01240CH Installation of an AlliedSignal Mark VII Ground Proximity Warning System. Safety and emergency equipment View record	Boeing 727 SeriesTC A3WE	Current at cited snapshot Revised May 25, 2000 Application: Not listed	FAA holder: Mayday Avionics Inc FAA authority record
SA1379GL Install an Icarus Instruments AltAlert 3070 altitude alert device. Other aircraft modifications View record	Raytheon Aircraft V35BTC 3A15	Current at cited snapshot Revised May 4, 2000 Application: Jan 17, 1989	FAA holder: Mayday Avionics Inc FAA authority record

Mayday Avionics Inc STCs

Modification mix

Aircraft represented

Recently revised records

Installation of L-3 Communications Avionics Systems Trilogy Electronic Standby Instrument (Model ESI-2000).

Installation of TrueView Enhanced Vision System (EVS) T6-Series.

Installation of a Honeywell Mark XXII Enhanced Ground Proximity Warning System (EGPWS).

Upgrade of a Honeywell Mark V Enhanced Ground Proximity Warning System to add the Runway Awareness Advisory System (RAAS).

Upgrade of a Honeywell Mark VII Enhanced Ground Proximity Warning System to add the Runway Awareness Advisory System (RAAS).

Installation of a Honeywell Mark VII Enhanced Ground Proximity Warning System with Terrain Display and Runway Awareness Advisory System (RAAS).

Installation of a Honeywell Mark V Enhanced Ground Proximity Warning System with Terrain Display.

Installation of a Dual Universal Avionics Systems UNS-1C+ Flight Management Systems. Installation of STC ST09297SC-D is a prerequisite.

Installation of a Honeywell Traffic Alert and Collision Avoidance System (TCAS II) incorporating MOPS Change 7. Previous installation of STC SA2899SO required.

Installation of an AlliedSignal Mark VII Ground Proximity Warning System.

Install an Icarus Instruments AltAlert 3070 altitude alert device.