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

Weber Robert A

Named as the FAA publishes it on its approvals.

Holds 2 approved modifications, most of them for the Piper PA-39 Twin Comanche C/R. FAA spelling: Weber Robert A.

Approved modifications 2 · newest first

1989-04-14SA2484CE · Installation of side windows with an increase of thickness from 1/8 inch to 1/4 inch. · PA-39, PA-30
1989-04-14SA2485CE · Installation of side windows with an increase of thickness from 1/8 inch to 1/4 inch. · PA-24-250, PA-24-260, PA-24-400

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.