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

Helicopter Management Systems

Named as the FAA publishes it on its approvals.

Holds 1 approved modification, most of them for the American Champion Aircraft 8 Decathlon and Scout. FAA spelling: Helicopter Management Systems.

Approved modifications 1 · newest first

American Champion Aircraft 8 Decathlon and Scout 1
1984-04-25SA2375NM · Installation of an Avco Lycoming 0-360-D2A · 8GCBC

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.