# STC SA5383SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 40/50 single and two axis automatic flight guidance systems, Model ST-182-40/50.
- Applied: January 30, 1985
- Status date: October 11, 1988
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 3A17](https://openairdocs.org/tcds/3A17)
- Certificate PDF: https://openairdocs.org/files/sha256/cc/42/cc42e0245f5b8e5e3bb309fa418a74450ba3f1a0d4ca704d14446acd1e2b120d
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0E35588A2F8F27E085256CC2001228C4.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA5383SW-D

## ADs that name it (0)

None.

## Approved models (4)

- Textron Aviation Inc. R172E ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- Textron Aviation Inc. R172F ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- Textron Aviation Inc. R172G ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- Textron Aviation Inc. R172H ([TCDS 3A17](https://openairdocs.org/tcds/3A17))

## 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: SA53835N-D This certificate issued to: S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral Wells, Texas 76067 Part 3 of the CiVil Air Regulations:

Original Product -TypeCertificate Number: 3A17 Make: Cessna Model: R172E, R172F, R172G and R172H Description of Type Design Change: .

nstallation of S-TEC System 40/50 Sinqle and Two Axis Automatic rl1ght Guldanc Systems, Model ST-182-40/50, according to Bulletin No. 282, Revision 2, dated and Master Drawing List No. 92213, Revision B, dated 9-06-88 is required and/or later FAA Approved revisions of the above data (14 Volt System).

1. FAA Approved Supplemental Flight Manual, P/N 89554, dated 3-01-85 is required for S-TEC System 40 and/or later FAA Approved revisions of the above supplement.

2. FAA Approved Supplemental Flight Manual, P/N 89555, dated 3-01-85 is required for S-TEC System 50 and/or later FAA Approved revisions of the above supplement.

3. Compatability of this modification with other previously approved modifications

Date of Application: 1-30-85 Date Reissued: 10-11-88, Revision 1 Date of Issuance: 3-01-85 Date Amended:

FEDERAL AVIATION By Direction of the Administrator sold It. Tabless ( Signalure ) TOMINISTRA DAS Staff Coordinator, DAS 5 SW Harold W. Holdeman (Tille)

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) trom (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):.

US GOVFRNMENT PRINTING OFFICE : 1966 OF -205-571

## Every issue (1)

- October 11, 1988: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/cc/42/cc42e0245f5b8e5e3bb309fa418a74450ba3f1a0d4ca704d14446acd1e2b120d)

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