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

Jet Aviation Holdings INC.

Named as the FAA publishes it on its approvals.

Holds 3 approved modifications, most of them for the Boeing 747. FAA spelling: Jet Aviation Holdings Inc..

Approved modifications 3 · newest first

Boeing 747 3
2015-07-09ST02442NY · Installation of electric fan, hardware and airing to provide ventilation of In Flight Entertainment avionics boxes · 747-400 Series
2015-07-09ST02446NY · Installation of new decorative liminates on selected interior compartment surfaces and replacements of Y-class seats... · 747-400 Series
2011-10-19ST03018NY · Installation of an executive interior · 747-400 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.