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

Construction Helicopters, INC

Named as the FAA publishes it on its approvals.

Holds 2 approved modifications, most of them for the Sikorsky S-58. FAA spelling: Construction Helicopters, Inc.

Approved modifications 2 · newest first

Sikorsky S-58 1Airbus Helicopters AS332 1
2013-01-11SR03179CH · Removal of passenger seating to achieve nine passenger configuration · AS332L1
1998-06-03SR00889CH · Reduction of standard passenger seating from sixteen to nine seats or less. · S-58JT

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.