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

Tri-State Aviation

Named as the FAA publishes it on its approvals.

Holds 1 approved modification, most of them for the Bell 222. FAA spelling: Tri-State Aviation.

Approved modifications 1 · newest first

Bell 222 1
1986-03-11SA324NE · Installation of two reinforcing plates P/N TSA-101-1 on Bell P/N 222-062-216-101 exhaust ejector. · 222, 222B

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.