# STC SA5226SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 60 two axis automatic flight guidance system Model ST-230 with optional automatic electric trim system
- Applied: September 26, 1983
- Status date: June 30, 1987
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 1A8](https://openairdocs.org/tcds/1A8)
- Certificate PDF: https://openairdocs.org/files/sha256/0b/01/0b01d34a4ccd4b40d23c245b632e6cf9be1681720030c1a4f8db69f48398aa0a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6182A211807C847986256CF5004F6D19.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA5226SW-D

## ADs that name it (0)

None.

## Approved models (5)

- Helio Aircraft LLC H-250 ([TCDS 1A8](https://openairdocs.org/tcds/1A8))
- Helio Aircraft LLC H-295 (USAF U10D) ([TCDS 1A8](https://openairdocs.org/tcds/1A8))
- Helio Aircraft LLC H-700 ([TCDS 1A8](https://openairdocs.org/tcds/1A8))
- Helio Aircraft LLC H-800 ([TCDS 1A8](https://openairdocs.org/tcds/1A8))
- Helio Aircraft LLC HT-295 ([TCDS 1A8](https://openairdocs.org/tcds/1A8))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

anited States of Sloanice Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA522654-0 This certificate issued to: 1«. S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral wells, IX /606/ Pard 3 of the CiVil Air Hegulations.

Original Product - Type Certificate Number: 1A8 Make: HELIO Model: H-250, H-295, HT-295, H-700 AND H-800 Description of Type Design Change:

Installation of S-TEC System 60 Two Axis Automatic Flight Guidance System, Model ST-230, with Optional Automatic Electric Trim System according to Bulletin No.

330, Revision 3, dated 6-26-87 and Master Drawing List No. 92249, Revision C, dated 6-26-87 and/or later FAA Approved revisions of the above data (28 Volt System).

ritaling and bondino Models H-250, H-295, H-700 and H-800 in Landlane, Floatplane or Amphibian Configuration.

2. Also eligible on Helio Model H-295 Landplane when modified in accordance with STC SA1589CE (Gross Weight Increase).

[See Continuation Sheet, Page 2, a part of this STC.)

Date of Application: 9-26-83 Date Reissued: 1-24-84, 2-03-84, 6-30-87, Revision 3 Date of Issuance: . 10-17-83 Date Amended:

FEDERAL AVIATIO By Direction of the Administrator (Signalure) VOMINISTRATO DAS Staff Coordinator, DAS 5 SW Harold W. Holdeman (Title)

47.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA52265W-D, Revision 3 Limitations and Conditions: (con't) Optional Automatic Electric Trim System is not eligible on Helio Models Or Helio Model H-295 Landplane wher modified in accordance with STC SA1589CE H-295 and HT-295 Landplane, Floatplane or Amphibian Configuration (Gross Weight Increase).

4. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89359S, dated 10-17-83 is required for Helio Model H-800 (Landplane Only) and/or later FAA Approved revisions of the above supplement.

5. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89359-1S, dated 1-12-84 is required for Helio Model H-800 (Landplane and Floatplane Configuration) and/or later FAA Approved revisions of the above supplement.

6. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89414S, dated 2-03-84 is required for Helio Model H-700, Landplane Configuration Only and/or later FAA Approved revisions of the above supplement.

7. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89359-2S, dated 6-30-87 is required for Helio Model H-800, Landplane, Floatplane or Amphibian and/or later FAA Approved revisions of the above supplement.

8. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89414-15, dated 6-30-87 is required for Helio Model H-700, Landplane, Floatplane or Amphibian and/or later FAA Approved revisions of the above supplement.

FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89503, dated 6-30-87 is required for Helio Models H-250 and H-295, Landplane, Floatplane or Amphibian and Model H-295 Landplane when modified in accordance with STC SA1589CE (Gross Weight Increase) and Model HT-295 and/or later FAA Approved revisions of the above supplement.

10. Compatability of this modification with other previously approved modifications must be determined by the installer.

**PAGE 20F2 PAGES**

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and ZIP code ) from (Name of grantor) (Print or type) - (Address of grantor) (Number and street) (City, State, and ZIP code ) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

U.S. GOVERNMENT PRINTING OFFICE: 1966 OF-205-579

## Every issue (1)

- June 30, 1987: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/0b/01/0b01d34a4ccd4b40d23c245b632e6cf9be1681720030c1a4f8db69f48398aa0a)

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