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

Mccallister Engineering Enterprises

Holds 2 approved modifications, most of them for the Aerospatiale AS-355. FAA spelling: McCallister Engineering Enterprises.

Approved modifications 2 · newest first

Aerospatiale AS-355 1Airbus Helicopters AS350 AStar (Écureuil), now H125 1Airbus Helicopters AS355 TwinStar 1Erickson S-64 1
1987-09-01SH748NW · Installation of a weighing system. · AS-350B, AS-350C, AS-350D
1978-05-31SH607NW · Installation of mechanical release system for external cargo hook. · S-64E, S-64F

Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.