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

Butterworth Gerald N

Named as the FAA publishes it on its approvals.

Holds 1 approved modification, most of them for the Superior CULVER V. FAA spelling: Butterworth Gerald N.

Approved modifications 1 · newest first

1972-11-15SA1NE · Installation of McCauley1B90/ECM7151 propeller on aircraft equipped with Continental C85-12FHJ engine in accordance... · Culver V

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.