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

Aar Engineering Services

Named as the FAA publishes it on its approvals.

Holds 2 approved modifications, most of them for the Boeing 767. FAA spelling: AAR Engineering Services.

Approved modifications 2 · newest first

Boeing 767 1Airbus A330 1
2018-08-22ST04092CH · Installation of 278 (18BC/68PY/192EY) Passenger Seating Arrangement · A330-243
2014-01-16ST03049CH · Installation of an interior reconfiguration · 767-300 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.