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

Duncan Avionics

Named as the FAA publishes it on its approvals.

Holds 3 approved modifications, most of them for the Dassault MYSTERE-FALCON 50. FAA spelling: Duncan Avionics.

Approved modifications 3 · newest first

1999-02-04ST00930NY · Installation of an AlliedSignal Enhanced Ground Proximity Warning System. · Mystere-Falcon 20-F5
1997-06-20ST00656NY · Installation of Skylight Avionics dual metric altitude digital repeaters and a metric persecutor altitude repeater. · Mystere-Falcon 50
1997-02-20ST00569NY · Installation of Dual Universal Avionics UNS-1C Flight Management System. · Mystere-Falcon 50

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.