Who holds what · as the FAA records the name

Flight Line Corporation

Named as the FAA publishes it on its approvals.

Approved to make 3 classes of equipment. FAA spelling: Flight Line Corporation.

Equipment approvals technical standard order authorisations

TSO-C72 · Individual Flotation Devices · *, *, * · other and general

TSO-C39 · Aircraft Seats And Berths · *, *, * · cabin, seats and restraints

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.