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

Stark, Robert C.

Named as the FAA publishes it on its approvals.

Holds 2 approved modifications, most of them for the Waco UPF-7. FAA spelling: Stark, Robert C..

Approved modifications 2 · newest first

Waco UPF-7 1Piper J-3 Cub 1
1981-06-03SA1251NW · Installation of Cleveland wheels and brakes, Goodyear tires/tubes, Univair front lift struts, top fuselage... · J3C-65 (Army L-4; L-4A; L-4B (Navy NE-1);...
1977-07-14SA471NW · Installation of a metalized fuselage covering · UPF-7

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.