FAA-listed STC holder

Helio Alaska Inc. STCs

The Jun 30, 2026 FAA DRS snapshot lists 11 selected supplemental type certificates with status Current under Helio Alaska Inc.. The records span 6 public aircraft directories and 5 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

Jun 6, 2025

latest recorded revision

Modification mix

Aircraft performance3 Landing gear and brakes3 Aircraft structures2 Engine and powerplant2 Cabin and interiors1

Aircraft represented

Helio Aircraft H-295 (USAF U10D)21 STCs Helio Alaska H-295 (USAF U10D)7 STCs Helio Alaska H-395 (USAF L-28A or U-10B)5 STCs Helio Aircraft HST-5504 STCs Helio Alaska H-2504 STCs Helio Alaska H-7003 STCs

Recently revised records

Showing the 11 most recently revised records. Category directories provide the complete paginated discovery path.

11 displayed records.

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

Helio Alaska Inc. supplemental type certificates, aircraft applicability, source status and dates
STC and modification	Aircraft / model / TC	Source status and dates	Holder and authority
SA2261CE Increase gross weight from 3,000 lbs. to 3,800 lbs. Aircraft performance View record	Helio Alaska H-395 (USAF L-28A or U-10B)TC 1A8	Current at cited snapshot Revised Jun 6, 2025 Application: Oct 18, 1986	FAA holder: Helio Alaska Inc. FAA authority record
SA1467CE Increase in maximum gross weight from 3,000 lbs. to 3,300 lbs. Aircraft performance View record	Helio Alaska H-395 (USAF L-28A or U-10B)TC 1A8	Current at cited snapshot Revised May 9, 2025 Application: May 12, 1978	FAA holder: Helio Alaska Inc. FAA authority record
SA1589CE Increase in maximum gross weight from 3,400 lbs. to 3,800 lbs. Aircraft performance View record	Helio Alaska H-295 (USAF U10D)TC 1A8	Current at cited snapshot Revised May 9, 2025 Application: Jul 16, 1979	FAA holder: Helio Alaska Inc. FAA authority record
SA1432CE Installation of utility door on left side of airplane. Aircraft structures View record	Helio Alaska H-295 (USAF U10D)TC 1A8	Current at cited snapshot Revised Aug 30, 2024 Application: Aug 10, 1978	FAA holder: Helio Alaska Inc. FAA authority record
SA1481CE Installation of Pratt & Whitney (UACL) PT6A-27 turboprop engine and Hartzell HC-B3TN-3D/T10178CH reversible propeller. Engine and powerplant View record	Helio Aircraft HST-550TC A4EA	Current at cited snapshot Revised Aug 30, 2024 Application: Mar 20, 1978	FAA holder: Helio Alaska Inc. FAA authority record
SA1936CE Installation of Lycoming TIO-540-J2B engine and Hartzell HC-E3YR-IRF/F9587A-10 propeller. Engine and powerplant View record	Helio Alaska H-295 (USAF U10D)TC 1A8	Current at cited snapshot Revised Aug 30, 2024 Application: Jul 28, 1982	FAA holder: Helio Alaska Inc. FAA authority record
SA2130CE Installation of window which may be opened inflight, located at forward right side window. Aircraft structures View record	Helio Alaska H-295 (USAF U10D)TC 1A8	Current at cited snapshot Revised Aug 30, 2024 Application: Apr 15, 1985	FAA holder: Helio Alaska Inc. FAA authority record
SA2171CE Replacement of fiberglass main landing gear legs with aluminum parts. Landing gear and brakes View record	Helio Alaska H-700TC 1A8 Helio Alaska H-800TC 1A8	Current at cited snapshot Revised Aug 30, 2024 Application: Aug 12, 1985	FAA holder: Helio Alaska Inc. FAA authority record
SA2337CE Repair scheme for main landing gear assemblies. Landing gear and brakes View record	Helio Alaska H-250TC 1A8 Helio Alaska H-295 (USAF U10D)TC 1A8 Helio Alaska H-391 (USAF UL-24)TC 1A8 Helio Alaska H-395 (USAF L-28A or U-10B)TC 1A8	Current at cited snapshot Revised Aug 30, 2024 Application: Aug 14, 1984	FAA holder: Helio Alaska Inc. FAA authority record
SA916SO Installation of Cessna seat rails and seats. Cabin and interiors View record	Helio Alaska H-250TC 1A8 Helio Alaska H-395 (USAF L-28A or U-10B)TC 1A8 Helio Alaska H-295 (USAF U10D)TC 1A8 Helio Alaska H-391BTC 1A8	Current at cited snapshot Revised Aug 30, 2024 Application: Mar 3, 1976	FAA holder: Helio Alaska Inc. FAA authority record
SA1399SW Installation of tricycle landing gear. Landing gear and brakes View record	Helio Aircraft H-295 (USAF U10D)TC 1A8	Current at cited snapshot Revised Mar 30, 2020 Application: Oct 23, 1970	FAA holder: Helio Alaska Inc. FAA authority record