# STC SA390WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Brittain Industries, Inc, United States
- Description: Installation of Brittain Pitch Assist Model PC-1 and Altitude Hold Model AH-1
- Applied: February 7, 1963
- Status date: November 19, 2013
- Product: Aircraft, Small Airplane
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS 3A10](https://openairdocs.org/tcds/3A10)
- Certificate PDF: https://openairdocs.org/files/sha256/f2/df/f2df716f8df5e73d8f9af1a0c0408117942df6ecc4a9ef5b10f8155d2df2ab14
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/26DFE23AA1D5E95D86257DCB0062DD25.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA390WE

## ADs that name it (0)

None.

## Approved models (23)

- Cessna Aircraft Company 310 ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310A ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310B ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310C ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310D ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310E ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310F ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310G ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310H ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310I ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310J ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310J-1 ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310K ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310L ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310N ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310P ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310Q ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310R ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company E310H ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company E310J ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company T310P ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company T310Q ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company T310R ([TCDS 3A10](https://openairdocs.org/tcds/3A10))

## 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.

Number SA390WE

This certificate issued to: Brittain Industries, Inc.

3266 N. Sheridan Road Tulsa, OK 74115

Part 3of the Civil Air Regulations.

Original Product – Type Certificate Number: 3A10

Make: Cessna Model: 310 Series - See Limitations and Conditions

Installation of Brittain Pitch Assist Model PC-1 and Altitude Hold Model AH-1 in accordance with Brittain Industries, Inc. Installation Manual 11921-3-5. Brittain Autopilot installed per TC SA4-1598 is required with this installation. Brittain Industries, Inc. FAA Approved Airplane Flight Manual listed on sealed Master Drawing List #DP-21 or later FAA approved revision is required with this installation.

Applicable eligible aircraft models and FAA Approved Airplane Flight Manual listed on sealed Master Drawing List #DP-21 or later FAA approved revision. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

Date of application: February 7, 1963 Date reissued: November 19, 2013;

11/19/63; 4/27/64; 5/17/65; 11/10/69; 11/2/72 Revision 5 Date of issuance: May 6, 1963 Date amended:

Signature S. Frances Cox

Title Manager, Special Certification Office, Southwest Region

FAA Form 8110-2 (8/13) Page 1

**SUPPLEMENTAL TYPE CERTIFICATE, FAA FORM 8110-2 (CONTINUED)**

To (Name of transferee)

(Address of transferee)

(Number and street)

(City, State, and ZIP Code)

From (Name of grantor)

(Address of grantor)

(Number and street)

(City, State, and ZIP Code)

FAA Form 8110-2 (8/13) Page 2

## Every issue (1)

- November 19, 2013: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/f2/df/f2df716f8df5e73d8f9af1a0c0408117942df6ecc4a9ef5b10f8155d2df2ab14)

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