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

Helicorp INC.

Holds 3 approved modifications, most of them for the Ryan Aeronautical ST3. FAA spelling: Helicorp Inc..

Approved modifications 3 · newest first

Ryan Aeronautical ST3 3
2008-04-30SA4463NM · Installation of Ryan Model ST-A type main landing gear. · ST-3KR
2008-04-30SA4317WE · Installation of Ranger 6-440-C5 engine, Sensenich 86R61 propeller, and auxiliary fuel pump, and associated changes. · ST-3KR
2008-04-30SA2921WE · Reduce size of cockpit openings, install rounded windshields, flush rivet and increase fuselage skin gages, install... · ST-3KR

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.