FAA-listed STC holder

Helicorp Inc. STCs

The Jun 30, 2026 FAA DRS snapshot lists 3 selected supplemental type certificates with status Current under Helicorp Inc.. The records span 1 public aircraft directories and 3 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.

listed Current at snapshot

aircraft directories

modification categories

Apr 30, 2008

latest recorded revision

Modification mix

Flight controls1

Engine and powerplant1

Landing gear and brakes1

Aircraft represented

Ryan Aeronautical ST-3KR3 STCs

Recently revised records

Showing the 3 most recently revised records. Category directories provide the complete paginated discovery path.

SA2921WEFlight controlsRevised Apr 30, 2008

Reduce size of cockpit openings, install rounded windshields, flush rivet and increase fuselage skin gages, install internal top longerons, remove external top longerons and install internal aileron balance weight.

FAA holder: Helicorp Inc.

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SA4317WEEngine and powerplantRevised Apr 30, 2008

Installation of Ranger 6-440-C5 engine, Sensenich 86R61 propeller, and auxiliary fuel pump, and associated changes.

FAA holder: Helicorp Inc.

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SA4463NMLanding gear and brakesRevised Apr 30, 2008

Installation of Ryan Model ST-A type main landing gear.

FAA holder: Helicorp Inc.

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