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

Systron-Donner CORP

Named as the FAA publishes it on its approvals.

Holds 2 approved modifications, most of them for the Boeing 737. FAA spelling: Systron-Donner Corp.

Approved modifications 2 · newest first

Boeing 737 1Boeing 727 1
1974-07-15SA2705WE · Installation of Systron-Donner Model8160-20-P1 rate sensors in Sperry SP-77 autopilot as a replacement for Sperry or... · 737-100 Series, 737-200 Series, 737-200C Series
1973-06-20SA2668WE · Installation of Systron-Donner Model8160-20-P1 rate sensors in Sperry SP-50 autopilot as replacement for Sperry or... · 727-200 Series, 727, 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.