# STC SA09375AC-D

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 20/30 Single and Two Axis Automatic Flight Guidance Systems, Model ST-833-20/30.
- Applied: June 19, 1998
- Status date: January 17, 2002
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15)
- Certificate PDF: https://openairdocs.org/files/sha256/76/61/76614600c7f800a33f5698b28a164b3b22b85857ef39eabcdcb098f7843d21ab
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/74CDD80C90D9B15185256CC1007F3AC6.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA09375AC-D

## ADs that name it (0)

None.

## Approved models (3)

- Beechcraft Corporation 36 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation A36 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation F33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15))

## 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: SA09375 AC-D This certificate issued to: S-TEC Corporation One S-TEC Way Mineral Wells Municipal Airport Mineral Wells, TX 76067-9236 Past 3 of the Civt A i Regulations.

Original Product I ype Certificate Number: ЗА15 Make: Beech Model: 36, A36, and F33A Description of Type Design Change:

Installation of S-TEC System 20/30 Single and Two Axis Automatic Flight Guidance Systems, Model ST-833-20/30, according to Bulletin No. 933, Revision 2, dated 1-14-02 and Master Drawing List No.

921103, Revision B, dated 1-14-02 or later FAA Approved revisions of the above data (14 Volt System).

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

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.

Date of Application: 6-19-98 Date Reissued:

Date of Issuance: 6-23-98 Date Amended: 1-17-02 By Direction of the Administrator FEDERAL AVIATION ти к (Signature) TOMINISTRATIOT Michael Keirnan DAS Staff Coordinator, DAS 5 SW (Title)

PAA Form 8110-2 (10-68) Page 1 of 2

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA09375ACD Limitations and Conditions: (con't.)

1. Eligibility limited to Beech model F33A, S/N CE-316 and up.

2. Also eligible on Beech models 36, A36; and F33A, S/N CE-316 and up when modified per STC SA153EA (tip tanks).

Also eligible on Beech models 36 and A36 when modified per STC SA5223NM (turbo-normalizing system).

FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891750, dated 6-23-98 is required for Beech Models 36, A36; and F33A, S/N CE-316 & Up for S-TEC System 20 or later FAA Approved revisions of the above supplement.

FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891751, dated 6-23-98 is required for Beech Models 36, A36; and F33A, S/N CE-316 & Up for S-TEC System 30 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 891750, Revision 1, dated 1-17-02 is required for 1. Beech models 36, A36; and F33A, S/N CE-316 and up; 2. Beech models 36, A36; and F33A, S/N CE-316 and up when modified per STC SA153EA (tip tanks); 3. Beech models 36 and A36 when modified per STC SA5223NM (turbo-normalizing system) for S-TEC System 20 or later FAA Approved revisions of the above supplement.

FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891751, Revision 1, dated 1-17-02 is required for 1. Beech models 36, A36; and F33A, S/N CE-316 and up; 2. Beech models 36, A36; and F33A, S/N CE-316 and up when modified per STC SA153EA (tip tanks); 3. Beech models 36 and A36 when modified per STC SA5223NM (turbo-normalizing system) for S-TEC System 30 or later FAA Approved revisions of the above supplement.

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

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) _ (Address of transferee) - (Number and street) (City, State, and ZIP code) from (Name of grantor) (Print or type) (Address of grantor) (Number & street) (City, State, and ZIP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- January 17, 2002: Amended, Current. [certificate](https://openairdocs.org/files/sha256/76/61/76614600c7f800a33f5698b28a164b3b22b85857ef39eabcdcb098f7843d21ab)

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