SA305SOFuel systems
Installation of Lycoming IO-540-C2C engines, 31A10 Rajay turbochargers, and modified fuel system.
FAA holder: TALCO Aviation
Aircraft STC directory
Helio Aircraft 500 STCs
The Jun 30, 2026 FAA DRS snapshot contains 5 selected supplemental type certificates with status Current whose public applicability data names the Helio Aircraft 500. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
5
listed Current at snapshot
5
holder directories
4
modification categories
Aug 31, 2023
latest recorded revision
Modification demand surface
Avionics2
Fuel systems1
Engine and powerplant1
Other aircraft modifications1
Recently revised 500 STCs
Showing the 5 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SA01435LAEngine and powerplant
Installation of engines modified with Firewall Forward Technologies LLC modified camshaft.
FAA holder: Centri-Lube Technologies LLC
SA02019SE-D (2 OF 3)Avionics
Installation of Garmin GTN 6XX/7XX Navigation System.
FAA holder: Garmin International Inc
SA04424ATOther aircraft modifications
Installation of Continental Motors, Inc. (CMI) Shower-of-Sparks Starting Vibrator Booster Systems.
FAA holder: Continental Motors, Inc.
SA00343BO (PAGE 2)Avionics
Installation of a single configuration or a dual configuration Avidyne Corporation Integrated Flight Display, Model IFD540 loaded with Release 10.0 software (or later FAA approved release).
FAA holder: Avidyne Corporation