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

Christensen, Roger D.

Named as the FAA publishes it on its approvals.

Holds 2 approved modifications, most of them for the Piper PA-18 Super Cub. FAA spelling: Christensen, Roger D..

Approved modifications 2 · newest first

Piper PA-18 Super Cub 2
1981-02-13SA1181NW · Installation of Antique Tire and Rubber Company Tundra Tire and Cleveland wheels and brakes · PA-18-150
1974-08-02SA123NW · Installation of a modified landing gear axle to accommodate Goodyear 29x13x5 airwheel and tire assembly with Cleveland brakes · PA-18-150

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.