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

American Aeronautical Corporation

Holds 2 type certificates (3 models). FAA spelling: American Aeronautical Corporation.

Type certificates 2

ATC 336Aircraft · Savoia Marchetti S-56-31, Savoia Marchetti S-56-B
ATC 287Aircraft · Savoia Marchetti S-56

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.