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

Dover Corp/Cook

Named as the FAA publishes it on its approvals.

Holds 2 approved modifications, most of them for the Boeing 747. FAA spelling: Dover Corp/Cook.

Approved modifications 2 · newest first

Boeing 747 1Boeing 727 1
1985-05-15SA1764SO · Installation of Cook Airtomic P/N AIR-15347. · 747-300 Series, 747-100B Series, 747SP Series
1983-04-07SA1439SO · Modification and installation of thrust reverser sequence and directional control valves. · 727-200 Series, 727-100C Series, 727C 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.