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

Armstrong-Siddeley

Holds 1 type certificate (1 models). FAA spelling: Armstrong-Siddeley.

Type certificates 1

Group 3 ArmstrongEngine · Genet Mark II

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.