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

Pratt & Whitney Rtx Corporation (Formerly United Technologies Corporation)

Holds 1 type certificate (8 models). FAA spelling: Pratt & Whitney RTX Corporation (formerly United Technologies Corporation).

Type certificates 1

E46NEEngine · PW4077D, PW4090-3, PW4077, PW4084D, PW4084, PW4074 and 2 more

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.