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

Walker William D

Named as the FAA publishes it on its approvals.

Holds 1 approved modification. FAA spelling: Walker William D.

Approved modifications 1 · newest first

1990-09-21SA7891SW · Installation of a replacment landing gear retraction link. · GC-1A, GC-1B

Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, parts manufacturer approvals, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.