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

United Parcel Service

Named as the FAA publishes it on its approvals.

Holds 3 approved modifications, most of them for the Boeing 727. FAA spelling: United Parcel Service.

Approved modifications 3 · newest first

Boeing 727 2Douglas DC-8 1
2009-12-14SA8011SW · Installation of Collins DLC-800 ACARS and number 3 VHF transceiver. · DC-8-71, DC-8-73
2008-06-27SA7968SW · Installation of Collins DLC-800 ACARS and No. 3 VHF transceiver. · 727-100 Series
2008-06-27SA2444SO · Fabrication and installation of cargo containers. · 727-100 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.