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

Aviation Engineering Services

Named as the FAA publishes it on its approvals.

Holds 2 approved modifications. FAA spelling: Aviation Engineering Services.

Approved modifications 2 · newest first

1983-08-24SA5520SW · Installation of continuous seat tracks in passenger cabin. · 240 Series
1981-07-23SA4425SW · Installation of cargo nets. · YS-11A-500

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.