SA04192NYAvionics
KFD 900 Primary Flight Display System Additional Functions.
FAA holder: Honeywell International Inc
Aircraft STC directory
Helio Aircraft H-250 STCs
The Jun 30, 2026 FAA DRS snapshot contains 13 selected supplemental type certificates with status Current whose public applicability data names the Helio Aircraft H-250. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
13
listed Current at snapshot
10
holder directories
5
modification categories
May 8, 2023
latest recorded revision
Modification demand surface
Other aircraft modifications6
Avionics4
Flight controls1
Fuel systems1
Aircraft structures1
Recently revised H-250 STCs
Showing the 13 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
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
SA00780SE (PAGE 4)Other aircraft modifications
Installation of the True Lock Safety Retention Axle Lock Nut System.
FAA holder: True Lock LLC
SA284WEAvionics
Installation of Brittain Industries, Inc. Autopilot Model B2D.
FAA holder: Brittain Industries, Inc
SA1491WEFlight controls
Installation of Brittain Industries, Inc. Model B2C Flight Control System.
FAA holder: Brittain Industries, Inc
SA01205AT-DFuel systems
Installation of left-hand side and right-hand side main tank fuel cell assemblies.
FAA holder: FFC Manufacturing
SA1590CEAircraft structures
Modification of the Helio, P/N 391-030-401-30, main spar carry-thru assembly.
FAA holder: JAARS Inc.
SA1728CEOther aircraft modifications
Modification of the Helio 295-030-401 carry-thru assembly to remove the pads welded to the main lower tube and install full length straps.
FAA holder: JAARS Inc.
SA09515AC-DOther aircraft modifications
Installation of S-TEC System 20/30 Single and Two Axis Automatic Flight Guidance Systems, Model ST-895-20/30.
FAA holder: S-TEC Corporation
SA09516AC-DOther aircraft modifications
Installation of S-TEC System 20/30 Single and Two Axis Automatic Flight Guidance Systems, Model ST-894-20/30.
FAA holder: S-TEC Corporation