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

L3 Vertex Aerospace

Named as the FAA publishes it on its approvals.

Holds 3 approved modifications, most of them for the Beechcraft B300 King Air 350. FAA spelling: L3 Vertex Aerospace.

Approved modifications 3 · newest first

Beechcraft B300 King Air 350 2Beechcraft A200 1
2016-03-11SA00122MC · Add WAAS/LPV functionality · B300, B300C (UC-12W)
2013-08-12SA00098MC · Installation of an Engine Aural Warning Tone for the Rockwell Collins Pro Line 21 Avionics System · B300, B300C (MC-12W), B300C (UC-12W)
2013-07-23SA00005MC-D · Installation of Avionics Systems. · A200 (C-12C), A200CT (C-12D)

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.