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

Zantop Air Transport INC

Holds 5 approved modifications, most of them for the Curtiss Wright C-46. FAA spelling: Zantop Air Transport Inc.

Approved modifications 5 · newest first

Curtiss Wright C-46 2Douglas DC-3 1
1989-06-19ST764SO · Enlarged passageway in FS525 main cabin bulkhead. · G-159
1977-05-12SA174GL · Modification of floor support between stations 228.5 and 353 to eliminate decrease in allowable floor loading with... · G-159
1960-01-01SA312CE · Landing gear aural warning system. · C-46 Series, C-46 Series, C-46E
1960-01-01SA410CE · Increase flap speeds. · C-46 Series, C-46 Series, C-46E
1960-01-01SA3-85 · Sweeney inertia light and bracket assembly SWE 10001. · DC-3 Series

Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.