# STC SA1847WE - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Brittain Industries, Inc, United States - Description: Installation of Brittain Up-Command Signal Adapter Kit. - Applied: November 22, 1968 - Status date: November 3, 2016 - Product: Aircraft, Small Multi-Engine - Certification basis: Part 21, Part 23 - Data sheets: [TCDS 3A10](https://openairdocs.org/tcds/3A10), [TCDS 3A25](https://openairdocs.org/tcds/3A25), [TCDS A7CE](https://openairdocs.org/tcds/A7CE), [TCDS 1A10](https://openairdocs.org/tcds/1A10), [TCDS 6A1](https://openairdocs.org/tcds/6A1), [TCDS 2A4](https://openairdocs.org/tcds/2A4) - Certificate PDF: https://openairdocs.org/files/sha256/49/4b/494b1594ec7adbcb76e84751d8744ab5c46b9e41f31571aacc6c0c3a0f15aa85 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/123C26B59D761027862580B5006046DE.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA1847WE ## ADs that name it (0) None. ## Approved models (22) - 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 310K ([TCDS 3A10](https://openairdocs.org/tcds/3A10)) - Cessna Aircraft Company 310L ([TCDS 3A10](https://openairdocs.org/tcds/3A10)) - Cessna Aircraft Company 320 ([TCDS 3A25](https://openairdocs.org/tcds/3A25)) - Cessna Aircraft Company 320A ([TCDS 3A25](https://openairdocs.org/tcds/3A25)) - Cessna Aircraft Company 320B ([TCDS 3A25](https://openairdocs.org/tcds/3A25)) - Cessna Aircraft Company 320C ([TCDS 3A25](https://openairdocs.org/tcds/3A25)) - Cessna Aircraft Company 320D ([TCDS 3A25](https://openairdocs.org/tcds/3A25)) - Cessna Aircraft Company 320E ([TCDS 3A25](https://openairdocs.org/tcds/3A25)) - Cessna Aircraft Company 401 ([TCDS A7CE](https://openairdocs.org/tcds/A7CE)) - Cessna Aircraft Company 402 ([TCDS A7CE](https://openairdocs.org/tcds/A7CE)) - Piper Aircraft Inc. PA-23-235 ([TCDS 1A10](https://openairdocs.org/tcds/1A10)) - Twin Commander Aircraft LLC 500-A ([TCDS 6A1](https://openairdocs.org/tcds/6A1)) - Twin Commander Aircraft LLC 500-S ([TCDS 6A1](https://openairdocs.org/tcds/6A1)) - Twin Commander Aircraft LLC 500-U ([TCDS 6A1](https://openairdocs.org/tcds/6A1)) - Twin Commander Aircraft LLC 560-A ([TCDS 6A1](https://openairdocs.org/tcds/6A1)) - Twin Commander Aircraft LLC 680 ([TCDS 2A4](https://openairdocs.org/tcds/2A4)) - Twin Commander Aircraft LLC 680-E ([TCDS 2A4](https://openairdocs.org/tcds/2A4)) - Twin Commander Aircraft LLC 680-F ([TCDS 2A4](https://openairdocs.org/tcds/2A4)) - Twin Commander Aircraft LLC 690B ([TCDS 2A4](https://openairdocs.org/tcds/2A4)) ## 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. FAA Form 8110-2 (5/14) Page 1 of 2 Number: SA1847WE Part 23* of the Federal Aviation Regulations *FAR 23 effective February 1, 1965. Original Product – Type Certificate Number: **See Approved Model List Make: **See Approved Model List Model: **See Approved Model List Description of Type Design Change: Installation of Brittain Up-Command Signal Adapter Kit on certain airplanes equipped with Brittain Model B-4A, B-4AP, B-5 and B-5P Flight Control System in accordance with Brittain Industries FAA Sealed Master Drawing List No. 3-021-26. **Applicable eligible aircraft model(s) and applicable FAA Approved Airplane Flight Manual (s)/Supplement(s) required with this installation are listed on FAA Sealed Brittain Approved Model List No. 26-021-26. Limited to those airplane models appearing on Brittain Approved Model List No. 26-021-26 equipped with Brittain Models B-4A, B- 4AP, B-5 and B-5P Flight Control Systems only. 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 a product, the holder must give the other person written evidence of that permission. Date of Application: November 22, 1968 Date Reissued: 11/10/69; 10/20/72; 4/3/13; 11/3/16 Date of Issuance: December 12, 1968 Date Amended: December 4, 1970 Signature Title James A. Grigg Acting Manager, Fort Worth Aircraft Certification Office, Southwest Region Brittain Industries, Inc. 3266 N. Sheridan Road Tulsa, OK 74115 FAA Form 8110-2 (5/14) Page 2 of 2 Transfer the ownership of Supplemental Type Certificate Number: SA1847WE To (Name and address of transferee) From (Name and address of grantor) United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: ST10962SC FAA Form 8110-2 (5/14) Page 3 of 3 ## Every issue (2) - November 3, 2016: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/49/4b/494b1594ec7adbcb76e84751d8744ab5c46b9e41f31571aacc6c0c3a0f15aa85) - April 3, 2013: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/ab/c2/abc2cfebd1ebee46d5afb07fb25e1613250f1f55c6cfe80828dbab6ba0d79134) --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.