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

Ultra Enterprises

Named as the FAA publishes it on its approvals.

Holds 2 approved modifications, most of them for the Mitsubishi MU-2. FAA spelling: Ultra Enterprises.

Approved modifications 2 · newest first

Mitsubishi MU-2 2
1990-01-19SA4564NM · Installation of cargo door and cargo interior. · MU-2B-35
1990-01-19SA3574NM · Installation of crew entrance door. · MU-2B-35

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.