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

R-R-R-Russ Aircraft

Holds 2 approved modifications, most of them for the Boeing 75. FAA spelling: R-R-R-Russ Aircraft.

Approved modifications 2 · newest first

2002-04-11SA00068LA · Installation of tail wheel adapter ring. · D17S, SD17S, UPF-7
1994-07-19SA8013NM · Installation of tail wheel adapter ring. · 75 Series

Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.