# STC SA5306SW-D

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 40/50 single and two axis automatic flight guidance systems, Model ST-220-40/50
- Applied: December 19, 1983
- Status date: October 7, 1996
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 5A3](https://openairdocs.org/tcds/5A3)
- Certificate PDF: https://openairdocs.org/files/sha256/87/16/8716a97a0aaa2fb186d6b48d9be52a76bf05aaf051e02f49eca2e6d9bc0f4a00
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/62616E544E30DE7F86257ED00071BD46.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA5306SW-D

## ADs that name it (0)

None.

## Approved models (2)

- Beechcraft Corporation A45 (Military T-34A; B-45) ([TCDS 5A3](https://openairdocs.org/tcds/5A3))
- Beechcraft Corporation D45 (Military T-34B) ([TCDS 5A3](https://openairdocs.org/tcds/5A3))

## 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.

fata Btpartmrnt of Transportation —federal atriation administration Supplemental 'Cgpe Certificate tsutmvev SA5306SW-D /i/r S-TEC Corporation One S-TEC Way Mineral Wells Municipal Airport Mineral Wells, TX 76067-9236 Civil Air (T-34A, B-45) and D45 (T-34B) Installation of S-TEC System 40/50 Single and Two Axis Automatic Flight Guidance Systems, Model ST-220-40/50, according to Bulletin No. 320, Revision 2, dated 9-24-96 and Master Drawing List No. 92247, Revision B, dated 9-24-96 or later FAA Approved revisions of the above data (28 Volt System).

1. Also eligible on the above models when modified by STC SA1450SW or STC SA1864SW (Installation of 285 H.P. Engine).

(See Continuation Sheet, Page 2, a part of this STC.)

Sxc/rru 4-24-84 3L*.———^.-2-11-91, 12-09-93,10-07-96, Revision 3 j<f Sif nature} Willfam J. Thomas DAS Staff Coordinator, DAS 5 SW (Title)

T/tit certificate may br traruftrrttt in accordance until FAR 21.47.

f AA h»« a 110- 2 (10-»a|

Brand gtatrs of gntrin Bcpartmrat of Transportation—Jfcderal SLOiation administration Supplemental Ttgpe Certificate(Continuation £heet) i/VM/m&eV SA5306SW-D, Revision 3 Limitations and Conditions (con't.)

2. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89342, dated 4-24-84 is required for S-TEC System 40 for Beech Models A45 (T-34A) and D45 (T-34B) And The Above Models When Modified By STC SA1450SW (Installation of 285 H.P. Engine) or later FAA Approved revisions of the above supplement.

3. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89342-1, dated 12-09-93 is required for S-TEC System 40 for Beech Models A45 (T-34A) and D45 (T-34B) And The Above Models When Modified BY STC SA1450SW or STC SA1864SW (Installation of 285 H.P.

Engine) or later FAA Approved revisions of the above supplement.

4. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89343, dated 4-24-84 is required for S-TEC System 50 for Beech Models A45 (T-34A) and 045 (T-34B) And The Above Models When Modified By STC SA1450SW (Installation of 285 H.P. Engine) or later FAA Approved revisions of the above supplement.

5. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89343-1, dated 12-09-93 is required for S-TEC System 50 for Beech Models A45 (T-34A) and D45 (T-34B) And The Above Models When Modified By STC SA1450SW or STC SA1864SW (Installation of 285 H.P.

Engine) or later FAA Approved revisions of the above supplement.

6. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 89342, Revision 2, dated 10-07-96 is required for S-TEC System 40 for Beech Models A45 (T-34A, B-45) and D45 (T-34B) And The Above Models When Modified By STC SA1450SW or STC SA1864SW (Installation of 285 H.P. Engine) or later FAA Approved revisions of the above supplement.

7. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 89343, Revision 2, dated 10-07-96 is required for S-TEC System 50 for Beech Models A45 (T-34A, B-45) and D45 (T-34B) And The Above Models When Modified By STC SA1450SW or STC SA1864SW (Installation of 285 H.P. Engine) or later FAA Approved revisions of the above supplement.

8. Compatibility of this modification with other previously approved modifications must be determined by the installer.

.I'.'i xitfTiition nf '.his certificate is punishable by a fine of not txceeding 11,000, or imprisonment not exceeding 3 years, or b PA.V FORM 8HO2.1 tio-69) This cirtijicati may bi transjtr'td in accordant! uitlh 1'AR .'/ PAGE2 OF2 PAGES

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and ^IP code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, State, and <7/> code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- October 7, 1996: Amended, Current. [certificate](https://openairdocs.org/files/sha256/87/16/8716a97a0aaa2fb186d6b48d9be52a76bf05aaf051e02f49eca2e6d9bc0f4a00)

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