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

William F. Hubler

Named as the FAA publishes it on its approvals.

Holds 2 approved modifications, most of them for the Thrush Aircraft Inc S-2. FAA spelling: William F. Hubler.

Approved modifications 2 · newest first

Thrush Aircraft Inc S-2 2
1998-03-05SA5940NM · Install an Allied Signal TPE331-1-151A, -151G, or -151K turboprop engine operated at TPE331-43-A ratings to replace... · S-2R
1998-03-05SA4713NM · Install an Allied Signal TPE331-1-151A, -151G, or -151K turboprop engine operated at TPE 331-43-A ratings to replace... · S-2R

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.