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

Textron Lycoming Avco Corporation

Holds 17 type certificates (38 models). FAA spelling: Textron Lycoming AVCO Corporation.

Type certificates 17

TC 210Engine · GO-145-C3, O-145-B2, O-145-B1, O-145-C2, GO-145-C1, GO-145-C2 and 2 more
E-202Engine · R-680-E2, R-680-E1, R-680-E3A, R-680-E3B, R-680-E3
E-256Engine · GSO-580-C, GSO-580, GSO-580-B, GSO-580-D
ATC 81Engine · R-680-BA, R-680-B2, R-680-2
ATC 111Engine · R-680-B6, R-680-6
TC 199Engine · O-145-A1, O-145-A2
TC 227Engine · O-350-A, O-350
TC 108Engine · R-680-4, R-680-B4 Series
ATC 110Engine · R-680-B5, R-680-5
TC 475Propeller · P220
TC 172Engine · R-680-D5
TC 729Propeller · F220
ATC 182Engine · R-530-D1
ATC 42 Textron LycomingEngine · R-680
TC 5E-12Engine · Military O-435-2-M1
ATC 183Engine · R-530-D2
TC 173Engine · R-680-D6

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.