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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.

3
listed Current at snapshot
1
aircraft directories
3
modification categories
Apr 30, 2008
latest recorded revision

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.

3 displayed records.

Search every indexed record for this holder. The table below contains the recently revised records shown on this page.

Helicorp Inc. supplemental type certificates, aircraft applicability, source status and dates
STC and modificationAircraft / model / TCSource status and datesHolder and authority
SA2921WE

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.

Flight controlsView record
  • Ryan Aeronautical ST-3KRTC A-749

Current at cited snapshot

Application:

FAA holder: Helicorp Inc.

FAA authority record
SA4317WE

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

Engine and powerplantView record
  • Ryan Aeronautical ST-3KRTC A-749

Current at cited snapshot

Application:

FAA holder: Helicorp Inc.

FAA authority record
SA4463NM

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

Landing gear and brakesView record
  • Ryan Aeronautical ST-3KRTC A-749

Current at cited snapshot

Application:

FAA holder: Helicorp Inc.

FAA authority record