# STC SA3307NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Les Barcklay, United States
- Description: Remove aft-facing seat at F.S.340, remove seatbelt on Four-Place aft couch seat, and placard aircraft to restrict to operation with nine (9) passengers or less
- Applied: December 4, 1985
- Status date: December 6, 1985
- Product: Aircraft, Small/Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A5SW](https://openairdocs.org/tcds/A5SW)
- Certificate PDF: https://openairdocs.org/files/sha256/a8/92/a8927a99b72bbdd0e52f0492ed63a9e96603238e5f9c0adffaaf36ca3cf42113
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E868EEA01BCCFA7186257A14004A39D4.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3307NM

## ADs that name it (0)

None.

## Approved models (1)

- M7 Aerospace LP SA226-AT ([TCDS A5SW](https://openairdocs.org/tcds/A5SW))

## What the certificate says

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

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA3307NM This certificate issued to: Mr. Lester C. Barcklay Part 3 of the Civil Air Regulations: in FAA letters dated 11/19/65, 8/22/67, 2/5/68, 4/4/68, and FAR 23.511 of Effective May 15, 1956, through Amendments 3-8, Special Conditions outlined Original Product -Typeberlificate Number: A5SW Amendment 23-7; and FAR 36 Appendix F, through Amendments 36-6.

Make: Fairchild (Swearingen) Model: SA226-AT Description of Type Design Change:

Remove aft-facing seat at F.S.340, remove seatbelt on Four-Place att couch seat, and placard aircraft to restrict to operation with nine (9) passengers or less.

Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation in Fairchild Swearingen SA226-AT aircraft, Serial Number AT008. A copy of this Certificate and FAA Approved Airplane Flight Manual Supplement shall be maintained as part of the permanent records for the modified aircraft.

Latest applicution: December 4, 1985 Date Reissued:

Sale sf issuance December 6, 1985 Date Amended:

FEDERAL AVIATION By Direction of the Administrator Janid 9smue T MINISTRATIO Acting Manager Seattle Aircraft Certification Office (Title) 47 FAA FoRm B110-2 (10-68) Page 1 of 3 Pages

## Every issue (1)

- December 6, 1985: Issued, Current. [certificate](https://openairdocs.org/files/sha256/a8/92/a8927a99b72bbdd0e52f0492ed63a9e96603238e5f9c0adffaaf36ca3cf42113)

---
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.