# STC SA5175SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 60 two axis automatic flight guidance system Model ST-078, with optional automatic electric trim. system.
- Applied: June 22, 1983
- Status date: August 20, 1987
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A31EU](https://openairdocs.org/tcds/A31EU)
- Certificate PDF: https://openairdocs.org/files/sha256/07/0a/070a9b2bf2d8ba540f70c1bc7d368c5321f0c1fc2f8a4fc8c725dbdd962b064f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/176939A3656FBD7486257EC8005E106E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA5175SW-D

## ADs that name it (0)

None.

## Approved models (5)

- Vulcanair S.p.A. P 68 Observer ([TCDS A31EU](https://openairdocs.org/tcds/A31EU))
- Vulcanair S.p.A. P 68B ([TCDS A31EU](https://openairdocs.org/tcds/A31EU))
- Vulcanair S.p.A. P 68C ([TCDS A31EU](https://openairdocs.org/tcds/A31EU))
- Vulcanair S.p.A. P 68C-TC ([TCDS A31EU](https://openairdocs.org/tcds/A31EU))
- Vulcanair S.p.A. P68TC Observer ([TCDS A31EU](https://openairdocs.org/tcds/A31EU))

## 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: SA517554-0 This certificate issued to: S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral Wells, Texas 76067 Part 23 of the Federal Aviation Regulations Original Product - Type tertificate Numben: A31EU Make: PARTENAVIA Model: P68B, P68С, P68C-TС, P68 "OBSERVER" and P68TC "OBSERVER" Description of Type Design Change:

Installation of S-TEC System 60 Two Axis Automatic Flight Guidance System, Model ST-078, with Optional Automatic Electric Trim System according to Bulletin No. 181, Revision 5, dated 8-05-8/ and Master Drawing List No. 9290, Revision E, dated 8-03-8/ with Optional Flight Director Steering Horizon and/or later FAA Approved Limitations and Conditions:

1. Also eligible on the above models with Camera Port.

2. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89105-1, dated 7-01-83 is required and/or later FAA Approved revisions of the above supplement.

This certif lentd thation sheet jp Stinet dala which is the basis forth is sal shall nemain in effect until sur vendered, suspended, veroked, on a termination date is shorvise established by the Administraton of the Federal Aviation Administration .

Date of Application: 6-22-83 Date Reissued: 10-23-86, 8-20-87, Revision 2 Date of Issuance: . 7-01-83 Date Amended:

FEDERAL AVIATION By Direction of the Administrator (Signalure) TAMIN STRAIG Harold W. Holdeman DAS Staff Coordinator, DAS 5 SW (Title)

47.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number SA5175SW-D, Revision 2 Limitations and Conditions: (con't)

3. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89105-2, dated 10-23-86 is required and/or later FAA Approved revisions of the above supplement.

4. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89105-3, dated 8-30-87 is required and/or later FAA Approved revisions of the above supplement.

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

47.

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 and street) (City, State, and ZIP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

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

## Every issue (1)

- August 20, 1987: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/07/0a/070a9b2bf2d8ba540f70c1bc7d368c5321f0c1fc2f8a4fc8c725dbdd962b064f)

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