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

Systron Donner

Named as the FAA publishes it on its approvals.

Approved to make 3 classes of equipment. FAA spelling: Systron Donner.

Equipment approvals technical standard order authorisations

1990-01-01TSO-C1B · Cargo Baggage Compartment Smoke Detection Instruments · * · other and general
1990-01-01TSO-C1C · CARGO COMPARTMENT FIRE DETECTION INSTRUMENTS · *, *, * · other and general
TSO-C11D · Powerplant Fire Detection Instruments (Thermal And Flame Contact Types) · * · 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.