# STC SA507WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: CheckSix AeroSolutions, LLC, United States
- Description: Installed adjustable back rest
- Applied: July 31, 1963
- Status date: October 13, 2023
- Product: Aircraft, Small Airplane
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15), [TCDS A-777](https://openairdocs.org/tcds/A-777)
- Certificate PDF: https://openairdocs.org/files/sha256/30/75/3075c793e60e430a295dc456a3ec92f5c43749d6819e6d1e7b6baaf7c6a5a926
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID138343294820231018191354.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA507WE

## ADs that name it (0)

None.

## Approved models (10)

- Textron Aviation Inc. 35R ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Textron Aviation Inc. A35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Textron Aviation Inc. B35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Textron Aviation Inc. C35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Textron Aviation Inc. D35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Textron Aviation Inc. E35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Textron Aviation Inc. F35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Textron Aviation Inc. G35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Textron Aviation Inc. H35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Textron Aviation Inc. J35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))

## 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 (03/21) Page 1 of 2 SA507WE CheckSix AeroSolutions, LLC 2132 E Avion St., Suite A Ontario, CA 91761 Part 3 the Civil Air Regulations 3A15, A-777 Beech A35, B35,C35, D35, E35, F35,G35,35R, H35,J35 Installed adjustable back rest in accordance with Al's Aircraft Interiors Drawing No. 101.

Approval of this change in type design applies to the above model aircraft only. This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the relationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this Certificate must be maintained as part of the permanent records for the modified aircraft.

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.

July 31, 1963 May 21,1974; January 12,1976; August 11,1995;

October 23,2003; April 15, 2022; April 27, 2022;

July 27, 2023; October 13, 2023 October 23, 2003 for Manager, West Certification Branch September 3, 1963

## Every issue (4)

- October 13, 2023: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/30/75/3075c793e60e430a295dc456a3ec92f5c43749d6819e6d1e7b6baaf7c6a5a926)
- July 27, 2023: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/89/7c/897c997d8cf1e98a6e42e1fd36bf60ec37d17a3e159b7b83f4d9c58b1d4121df)
- April 15, 2022: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/d3/a0/d3a0dbd6f73a07af9050e90f7979be680bac14ba2c60b40e0f127ef40db5003a)
- October 23, 2003: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/c6/30/c630b3471dcc1066af0b09a1b600ae97d9be213a6b4f3e750ef67a536a81a1c2)

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