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Who holds what · as the FAA records the name

Williams Barbara Or Bob

Named as the FAA publishes it on its approvals.

Holds 4 approved modifications, most of them for the Piper PA-32 Cherokee Six, Lance and Saratoga. FAA spelling: Williams Barbara or Bob.

Approved modifications 4 · newest first

1993-07-20SA421CE · Installation of a Lycoming O-360-A1A or O-360-A1D 180 hp engine or O-360-B1B 168 hp engine and constant speed propeller · 170B, 170A
1989-02-22SA545CE · Installation of Lycoming O-360(180 h.p.) engine and new Hartzell Sensenich or McCauley propellers. Delete limitation... · 177
1982-01-28SA1558SW · Installation of vortex generators, wing leading edge cuffs, wing tips, fairings, de-icing boots and stall strips. · 337, 337A, 337B
1979-09-05SA1568SW · Installation of wing leading edge cuff, flow fences, optional wing tips and dorsal fin. · PA-32-260, PA-32-300

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.