# STC SA5218SW-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 40/50 single and two axis automatic flight guidance systems Model ST-207-40/50.
- Applied: August 31, 1983
- Status date: October 6, 1983
- Product: Aircraft, Single-Engine
- Certification basis: Part 1, Part 21
- Data sheets: [TCDS 3A17](https://openairdocs.org/tcds/3A17)
- Certificate PDF: https://openairdocs.org/files/sha256/d3/18/d318df57497206895fbf24e1281919e0cd33da15cbc1166786033a50b5b25b9c
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/572C57042A884A9285256CC20012279C.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA5218SW-D

## ADs that name it (0)

None.

## Approved models (1)

- Cessna Aircraft Company 172RG ([TCDS 3A17](https://openairdocs.org/tcds/3A17))

## 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.

ttnod goto Btpartmcnt of transportation—federal atriation administration Supplemental 'Cgpe Certificate SA5218SW-D S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral Wells, TX 76067 3 -cd^kf ClVll Air dr*aen&t *Jfocu&c£ — — •.S'ufiC' ~&e*£u!tca£e\/u*mc«i* •' J M 1 / CESSNA 172RG Installation of S-TEC System 40/50 Single and Two Axis Automatic Flight Guidance Systems, Model ST-207-40/50, according to Bulletin No. 307, dated 8-10-83 and Master Drawing List No. 92226, dated 8-10-83 and/or later FAA Approved revisions of the above data, (28 Volt System).

1. FAA Approved Supplement to Pilot's Operating Handbook and/ or FAA Approved Airplane Flight Manual, P/N 89281, dated 10-6-83 is required for S-TEC System 40 and/or later FAA Approved revisions of the above supplement.

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

><!^^ SX£&n*ni&&a£rr-*J' • & ' 8-31-83 10-6-83 (Signalurt) Harold W, Holdeman DAS Staff Coordinator, DAS 5 SW (Titlt)

This certificate may bt transferred in accordance with FAR 21.47.

FAA POM II10-J ()0-6«|

ttrattdgtattsofamcrica Bepartment of ^Transportation— Jftteal Sttn'ation Administration Supplemental t^pe Certificate(Continuation £heet) SA5218SW-D Limitations and Conditions (con't)

2. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89282, dated 10-6-83, 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 must be determined by the installer.

.-1 rc v alteration of this certificate is punishable by a fine of not exceeding $1,000, or imprisonment not exceeding 3 years, or both.

FAA FORM stio-2-1 (1O-69) This certificate may be transferred in accordance ivith FAR i'1.47.

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

Signature of grantor (In ink):

U.S. GOVERNMENT PRINTING OFFICE : 1966 OF —205-579

## Every issue (1)

- October 6, 1983: Issued, Current. [certificate](https://openairdocs.org/files/sha256/d3/18/d318df57497206895fbf24e1281919e0cd33da15cbc1166786033a50b5b25b9c)

---
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.
