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

Pan American World Airways

Named as the FAA publishes it on its approvals.

Approved to make 4 classes of equipment. FAA spelling: Pan American World Airways.

Equipment approvals technical standard order authorisations

TSO-C22E · Safety Belts · *, *, * · other and general
TSO-C22A · Safety Belts · *, * · other and general
TSO-C22 · Safety Belts · *, * · other and general
TSO-C22 · Safety Belts · *, *, * · other and general

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.