# STC SA6033SW-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 60 single axis automatic flight guidance system, Model ST-150.
- Applied: July 8, 1985
- Status date: August 1, 1985
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A3](https://openairdocs.org/tcds/1A3)
- Certificate PDF: https://openairdocs.org/files/sha256/a5/93/a593e55d2db60e5fd0d548a418285a917fe4352547395b7873882f7c6987023c
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/BD1CF45D93E2120F85256CC200569E01.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA6033SW-D

## ADs that name it (0)

None.

## Approved models (3)

- Alexandria Aircraft LLC 17-30 ([TCDS 1A3](https://openairdocs.org/tcds/1A3))
- Alexandria Aircraft LLC 17-31 ([TCDS 1A3](https://openairdocs.org/tcds/1A3))
- Alexandria Aircraft LLC 17-31TC ([TCDS 1A3](https://openairdocs.org/tcds/1A3))

## 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.

Htritri £tatu of amcrica Bcparrmcnt of Transportation — federal aoiation administration Supplemental t^pe Certificate SA6033SW-D S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral Wells, TX 76067 *<f <Ja . Slt&tt £*?*aj njz* Jvficluc/ —— I a**j 1A3

BELLANCA 17-30, 17-31 AND 17-31TC ClVll AlT ^&ta Installation of S-TEC System 60 Single Axis Automatic Flight Guidance System, Model ST-150, according to Bulletin No. 250, Revision 3, dated 6-20-85 and Master Drawing List No. 92196, Revision C, dated 6-20-85 and/or later FAA Approved revisions of the above data (14 Volt System).

FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89609, dated 8-01-85 is required for Bellanca Models 17-30, 17-31 and 17-31TC and/or later FAA Approved revisions of the above supplement.

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

<4A4'4aA^4(>r-j^ Sij[a-rninjA&a£e>r-*af4n4' 7-08-85 8-01-85 (Signature) Harold W. Holdeman DAS Staff Coordinator, DAS (Title)—————————— 5 SW

Tttu certificate may kt tranifrmd in tccordance with FAR 21.47.

1 INSTRUCTIONS: The .r.nsfer endorsement below may be used to notify .he appropriate FAA Kegion.l Office of the transfer of thi* Supplemental Type Certificate.

The FAA will reissue the certificate in the name of the transferee and forward it to him.

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

(Address of transferee). ( Xumktr *nd strut) from (Name of grantor) (Print or type).

(Address of grantor) f\umb<r Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

, ii < r. a n ««««-««»-n»°

## Every issue (1)

- August 1, 1985: Issued, Current. [certificate](https://openairdocs.org/files/sha256/a5/93/a593e55d2db60e5fd0d548a418285a917fe4352547395b7873882f7c6987023c)

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