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

Aero Spec

Named as the FAA publishes it on its approvals.

Holds 2 approved modifications, most of them for the Mooney M-18. FAA spelling: Aero Spec.

Approved modifications 2 · newest first

1968-02-21SE42WE · One Time Only STC: Installation of Aero-Spec Model 001AS fuel injection system; engine serial number L-11928-40 and... · O-540-D1A5
1961-01-01SA1044WE · Continental A75-8 65 hp engine and McCauley 1B90-CM/6753 propeller. · M-18 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.