# STC SA1491WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Brittain Industries, Inc, United States
- Description: Installation of Brittain Industries, Inc. Model B2C Flight Control System
- Applied: June 20, 1967
- Status date: February 1, 2013
- Product: Aircraft, Small Airplane
- Certification basis: Part 21, Part 23
- Data sheets: [TCDS 1A8](https://openairdocs.org/tcds/1A8)
- Certificate PDF: https://openairdocs.org/files/sha256/a0/54/a0549d46129f10ae61b187fcee6247563a265632ecfe5b39d5e7440432204ad3
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9B07F0E305C9F87986257B1000711102.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1491WE

## ADs that name it (0)

None.

## Approved models (7)

- 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-391 (USAF UL-24) ([TCDS 1A8](https://openairdocs.org/tcds/1A8))
- Helio Aircraft LLC H-391B ([TCDS 1A8](https://openairdocs.org/tcds/1A8))
- Helio Aircraft LLC H-395 (USAF L-28A or U-10B) ([TCDS 1A8](https://openairdocs.org/tcds/1A8))
- Helio Aircraft LLC H-395A ([TCDS 1A8](https://openairdocs.org/tcds/1A8))
- Helio Aircraft LLC HT-295 ([TCDS 1A8](https://openairdocs.org/tcds/1A8))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

Part 23 of the Federal Aviation Regulations.

Description of Type Design Change: Installation of Brittain Industries, Inc. Model B2C Flight Control System in accordance with Brittain Industries, Inc. Master Drawing List 3-601-01, Rev. B, dated July 31, 1974, or later FAA approved revision.

Limitations and Conditions: The installer must determine whether this design change is compatible with previously approved modifications. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Brittain Industries, Inc.

3266 N. Sheridan Road Tulsa, Oklahoma 74115 1A8 Make : Helio Aircraft, LLC Model : H-391, H-391B, H-395, H-395A, H-250, H-295, HT-295

Date of application: June 20, 1967

Date of issuance: December 15, 1967

Date reissued: November 10, 1969; October 20, 1972;

September 9, 1974; February 1, 2013

( Signature) S. Frances Cox Manager, Special Certification Office Southwest Region

(Title)

FAA Form 8110-2-1(10-69) Page 2 of 3

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)

Signature of grantor (In ink):

FAA Form 8110-2-1(10-69) Page 3 of 3

Number SA1491WE Date of Issuance: December 15, 1967 Date of Re-Issuance: November 10, 1969; October 20, 1972; September 9, 1974; February 1, 2013

1. FAA Approved Flight Manual Supplement, Brittain I ndustries, Inc. Document 7-601-01, Revision A, Dated August 26, 1974 or later FAA approved revision is required onboard the modified aircraft.

--END--

## Every issue (1)

- February 1, 2013: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/a0/54/a0549d46129f10ae61b187fcee6247563a265632ecfe5b39d5e7440432204ad3)

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