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

Chicago Heli Airways INC

Named as the FAA publishes it on its approvals.

Holds 2 approved modifications, most of them for the Sikorsky S-58. FAA spelling: Chicago Heli Airways Inc.

Approved modifications 2 · newest first

Sikorsky S-58 1Bell 47 1
1975-05-15SA77GL · Installation of Bendix weather radar RDR-1200. · S-58FT, S-58ET, S-58DT
1960-01-01SH3-473 · Heater. · 47 Series, 47 Series, 47 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.