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

Modern Die & Tool CO

Named as the FAA publishes it on its approvals.

Holds 1 approved modification, most of them for the Piper PA-22 Tri-Pacer and Colt. FAA spelling: Modern Die & Tool Co.

Approved modifications 1 · newest first

1960-01-01SA3-77 · Vertical fin plates attached to tip ribs of horizontal stabilizer seaplane operation only. · PA-22 Series

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.