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

Navairsyscom

Named as the FAA publishes it on its approvals.

Holds 2 approved modifications, most of them for the Mcdonnell Douglas DC-9. FAA spelling: NAVAIRSYSCOM.

Approved modifications 2 · newest first

Mcdonnell Douglas DC-9 1
2011-03-04ST01513AT · Installation of Dual Universal UNS-1D flight management system. · DC-9-31, DC-9-32, DC-9-32 (VC-9C)
2011-03-04ST00022MC · Installation of Raytheon APX-119 IFF Transponder. · DC-9-32F (C-9B)

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.