The U.S. aircraft register, updated daily
Who holds what · as the FAA records the name

Eventide Avionics

Named as the FAA publishes it on its approvals.

Holds 3 approved modifications, most of them for the Cessna 172 Skyhawk. FAA spelling: Eventide Avionics.

Approved modifications 3 · newest first

Cessna 172 Skyhawk 2Piper PA-46 Malibu, Mirage, Matrix and M-Class 1
1999-09-08SA01079NY · Installation of Eventide Argus 7000CE Moving Map Display with the ALT-1001-00 Altitude Encoder Adapter. · PA-46-350P
1997-01-14SA00545NY · Installation of an Argus 5000/CE Moving Map Display. · 172N
1989-05-03SA560NE · Installation of Eventide Avionics Argus 5000 Moving Map Display(MMD) with Software ID 01-02 or installation of... · 172 Series

Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, parts manufacturer approvals, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.