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

True Lock LLC

Holds 4 approved modifications, most of them for the Aeronca S7. FAA spelling: True Lock LLC.

Approved modifications 4 · newest first

Aeronca S7 1American Blimp Corp A-1 1American Champion Aircraft 7 Citabria and Champ 1American Champion Aircraft 8 Decathlon and Scout 1American General Acft Corp AG5 1American AA-1 1American AA-5 1Aviat Aircraft Inc A-1 Husky 1Beechcraft 1900 Airliner 1Beechcraft 300 King Air 300 1Beechcraft 35 Bonanza and Debonair 1Beechcraft 58 Baron 1
2016-06-28SA00780SE (PAGE 4) · Installation of the True Lock Safety Retention Axle Lock Nut System · 112, 112B, 112TC
2016-06-28SA00780SE (PAGE 2) · Installation of the True Lock Safety Retention Axle Lock Nut System · 310, 310A, 310B
2016-06-28SA00780SE (PAGE 3) · Installation of the True Lock Safety Retention Axle Lock Nut System · 7AC, 7ACA, 7BCM (Army L-16A)
2016-06-28SA00780SE (PAGE 1) · Installation of the True Lock Safety Retention Axle Lock Nut System · 360, 400, PA-60-600 (Aerostar 600)

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.