# STC SA09519AC-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 20/30 Single and Two Axis Automatic Flight Guidance Systems, Model ST-896-20/30.
- Applied: January 22, 2002
- Status date: January 24, 2002
- Product: Aircraft, Small Airplane
- Certification basis: Part 11, Part 21
- Data sheets: [TCDS 3A10](https://openairdocs.org/tcds/3A10)
- Certificate PDF: https://openairdocs.org/files/sha256/db/c9/dbc947d9528021705b62314e2ca3075c82ccc1d80765a16129971c6667ab4646
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6E9CAFD1EF91088585256CC1007F3B3B.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA09519AC-D

## ADs that name it (0)

None.

## Approved models (4)

- Cessna Aircraft Company 310D ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310F ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310G ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310H ([TCDS 3A10](https://openairdocs.org/tcds/3A10))

## 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: SA09519AC-D This certificate issued to: S-TEC Corporation One S-TEC Way Mineral Wells Municipal Airport Mineral Wells, TX 76067-9236 I art 3 of the Cir his Rogulations.

Original Product I ype Certificate A umber: ЗА10 Alike : Cessna Model: 310D, 310E (USAF U-3B), 310F, 310G, and 310H Description of Type Design Change:

Installation of S-TEC System 20/30 Single and Two Axis Automatic Flight Guidance Systems, Model ST-896-20/30, according to Bulletin No. 996, dated 1-21-02 and Master Drawing List No. 921212, dated 1-21-02 or later FAA Approved revisions of the above data (28 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: 1-22-02 Date Reissued:

Date of Issuance: 1-24-02 Date Amended:

By Direction of the Administrator FEDERAL AVIATION sill k (Signature) TOMNISTRATIO 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 (Continuation Sheet) Number: SA09519AC-D Limitations and Conditions: (con't.)

Also eligible on Cessna models 310G and 310H when modified per STC SA412S0 (300 H.P.

Colemill Conversion).

2. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 892110, dated 1-24-02 is required for Cessna models 310D, 310E (USAF U-3B), 310F, 310G, and 310H; and Cessna models 310G and 310H when modified per STC SA412S0 (300 H.P. Colemill Conversion) 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 892111, dated 1-24-02 is required for Cessna models 310D, 310E (USAF U-3B), 310F, 310G, and 310H; and Cessna models 310G and 310H when modified per STC SA412SO (300 H.P. Colemill Conversion) for S-TEC System 30 or later FAA Approved revisions of the above supplement.

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

FAA Form 9110-2-1(10-69) Page 2 of 2

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee).

(Address of transferee) (Number and street) (City, Stale, and 2IP code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, State, and ZIP code) Extent of Authority (if licensing agreement): - Date of Transfer:

Signature of grantor (In ink):

## Every issue (1)

- January 24, 2002: Issued, Current. [certificate](https://openairdocs.org/files/sha256/db/c9/dbc947d9528021705b62314e2ca3075c82ccc1d80765a16129971c6667ab4646)

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