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

Chi Aviation

Named as the FAA publishes it on its approvals.

Holds 1 approved modification, most of them for the Sikorsky S-61. FAA spelling: CHI Aviation.

Approved modifications 1 · newest first

Sikorsky S-61 1
2023-02-27SR04501CH · The certification of various configurations of cockpit side windows · S-61L, S-61N, S-61NM

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.