Twentieth Century Aircraft
Holds 1 approved modification. FAA spelling: Twentieth Century Aircraft.
Approved modifications 1 · newest first
1960-01-01SA4-1074 · Seat track and other modifications. · 1049 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.