# STC SA5284SW-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-184-50/50.
- Applied: March 10, 1984
- Status date: March 13, 1983
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A17](https://openairdocs.org/tcds/3A17)
- Certificate PDF: https://openairdocs.org/files/sha256/b1/90/b1903ddf3e452dde2ed77854218457532ff3f0a9fe47144fca44a402bcdb5b67
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0955462B1F92DA8C86257ECA005D8088.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA5284SW-D

## ADs that name it (0)

None.

## Approved models (1)

- Cessna Aircraft Company R172K ([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.

Hratri S&tua Bepartment of toaiwportation-federal aoiation administration Supplemental 'Cgpe Certificate SA5284SW-D S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral Wells, TX 76067 <vn-a'JvrvcuAcJMsi&i £nf&mi£a&£>nA-^*n££*c0ru&&0nA' rn**& Zbt ^iirt^^ ^ - «l» ' ' HIT

•Sleau&a&(* fsptatntd iJrcauet —— ^<iySw'&e'f£ifica£e*Sliu>rnvef- : OMl / CESSNA R172K Installation of S-TEC System 40/50 Single and Two Axis Automatic Flight Guidance Systems, Model ST-184-40/50, according to Bulletin No. 284, Revision 1, dated 3-9-84 and Master Drawing List No. 92212, Revision A, dated 3-09-84 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 89418, dated 3-13-84, 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).

3-10-84 SL&sfitu****.: 3-13-83 (Signahat) Harold W. Holdeman DAS Staff Coordinator, DAS 5 SW (Titlt)

This certificate may kt traiafimd in tccorjana with FAR 21.17.

FAA Fow.il 10-2 (io-6«)

United £tatu of amenta Btpartmtnt of transportation— Jpdtral auiation SUministration upplemental ICjipe Certificate(Continuation £heet) SA5284SW-D Limitations and Conditions (con't)

2. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89421, dated 3-13-84, 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.

Anr alt/ration of this certificate is punishable by a fine oj not exceeding SI,OOP, or imprisonment not exceeding 3 years, or both.

FAA FORM 811O-2-I (IO-69) This certificate may be transferred in accordance with l-'Ali i'/.J?.

**PAGE2 OF 2 PAGES**

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

(Address of transferee).

(Number and street) (City, Slate, and QP 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):

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

## Every issue (1)

- March 13, 1983: Issued, Current. [certificate](https://openairdocs.org/files/sha256/b1/90/b1903ddf3e452dde2ed77854218457532ff3f0a9fe47144fca44a402bcdb5b67)

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