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

Joppa, Robert G.

Named as the FAA publishes it on its approvals.

Holds 2 approved modifications, most of them for the Cessna 182 Skylane. FAA spelling: Joppa, Robert G..

Approved modifications 2 · newest first

1976-04-02SA280NW · Installation of an instrumentation boom · 170B
1975-04-21SA173NW · Installation of a trailing (cone) airspeed static pressure source · 182J

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.