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

Sts Engineering Solutions

Named as the FAA publishes it on its approvals.

Holds 4 approved modifications, most of them for the Boeing 737. FAA spelling: STS Engineering Solutions.

Approved modifications 4 · newest first

Boeing 737 4
2024-04-22ST04569AT · Installation of passenger seats and Passenger Service Units · 737-700 Series, 737-800 Series
2012-11-19ST03167CH · Re-pitch existing passenger seats, install additional seats, and reposition existing passenger service units (PSU's) · 737-800 Series
2012-11-01ST03163CH · Re-pitch existing passenger seats and reposition existing passenger service units (PSU's) · 737-600 Series
2012-11-01ST03164CH · Re-pitch existing passenger seats and reposition existing passenger service units (PSU's) · 737-700 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.