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

Aerosys INC

Named as the FAA publishes it on its approvals.

Holds 2 approved modifications, most of them for the Mcdonnell Douglas MD-11. FAA spelling: AeroSys Inc.

Approved modifications 2 · newest first

Mcdonnell Douglas MD-11 1Mcdonnell Douglas MD-10 1
2016-08-25ST02599LA · Installation of Oxygen Aneroid Switch P/N 44A3-4 for aircraft to be used for high altitude airports · MD-10-30F
2005-11-28ST01843LA · Installation of the Main Deck Cargo Compartment One Minute Smoke Detector · MD-11F

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.