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

Hillaero Modification Center

Named as the FAA publishes it on its approvals.

Holds 2 approved modifications, most of them for the Beechcraft B200 King Air B200. FAA spelling: Hillaero Modification Center.

Approved modifications 2 · newest first

Beechcraft B200 King Air B200 2Beechcraft A200 2Beechcraft B300 King Air 350 1Beechcraft 300 King Air 300 1Beechcraft 200 King Air 200 1
2016-09-16SA04139CH · Installation of medical equipment enclosures for EMS operations · 200, 200C, 200CT
2002-10-02SA01115WI · Installation of Medevac Interior. · 200, 200C, 200CT

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.