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

William J Mckay

Named as the FAA publishes it on its approvals.

Holds 2 approved modifications. FAA spelling: William J McKay.

Approved modifications 2 · newest first

1990-07-18SA762NE · ONE ONLY- Installation of pilot and copilot control column stick type grip. S/N AA1C0071 · AA-1C
1990-06-18SA761NE · Modifications to lower engine cowling with landing gear boot adapter and change to upper engine cowling with a split... · AA-1C

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.