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

International Aviation Services, LTD

Named as the FAA publishes it on its approvals.

Holds 2 approved modifications, most of them for the Boeing 747. FAA spelling: International Aviation Services, Ltd.

Approved modifications 2 · newest first

Boeing 747 2
1998-03-25ST09458SC · Installation of dual UNS-1D, GPS flight management system. · 747SP Series
1998-03-25ST09459SC · Installation of a Honeywell EDZ-805 (5) tube electronic flight instrument sytem (EFIS) and triple honeywell laseref... · 747SP 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.