# STC SA5325SW-D

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 60 two axis automatic flight guidance system Model ST-110 with optional automatic electric trim system
- Applied: May 16, 1984
- Status date: March 27, 1987
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 2A13](https://openairdocs.org/tcds/2A13)
- Certificate PDF: https://openairdocs.org/files/sha256/f3/9e/f39e22774628ea4a9f8cc829ea096740488bc964196146af66adcd216b2b6190
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/822E9D46212062B285256CC200122865.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA5325SW-D

## ADs that name it (0)

None.

## Approved models (5)

- Piper Aircraft Inc. PA-28-140 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- Piper Aircraft Inc. PA-28-150 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- Piper Aircraft Inc. PA-28-160 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- Piper Aircraft Inc. PA-28-180 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- Piper Aircraft Inc. PA-28-235 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))

## 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.

United £tatcs of ametica Bepartment of "Cransportation —federal atoiation Administration Supplemental "Cgpe Certificate SA5325SW-D S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral Wells, TX 76067 f<rf 4?wfi>ttoK'i<na/Jiwcu4f/'Mfi'//i •dne'stw/u'da/iirrtA M»*/ c<*ru/</«ltiA 3 ^j/tf, Civil Air '-/le&u/tifofmA'.

2A1 3 PIPER PA-28-140, PA-28-150, PA-28-160 PA-28-180 AND PA-28-235 Installation of S-TEC System 60 Two Axis Automatic Flight Guidance System, Model ST-110, with Optional Automatic FElectric Trim System according to Bulletin No. 213, Revision 7, dated 1-05-87 and Master Drawing List No.

92118, Revision G, dated 1-05-87 with Optional Flight Director Steering Horizon and/or later FAA Approved revisions of the above data (14 Volt System).

1. Eligible only on Piper Model PA-28-235, S/N 28-10003 through S/N 28-11393 and S/N 28-7110001 through S/N 28-7210023.

2. Piper Models PA-28-235, S/N 28-10720 through S/N 28-7210023 not eligible for Optional Automatic Electric Trim System.

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

Je^^ 5-16-84 ^Lw«^w'. 4-03-85, 3-27-87, Revision 2 5-30-84 ^Ma/& M (Signature) Harold W. Holdeman DAS Staff Coordinator, DAS 5 SW (Title)

This certificate may be transferred in accordance with h'AR 21 .47.

FAA Fox* 8110-2(1 0-68}

tinted gtata of amtrica Bepartmenc of transportation -federal auianon administration ^uppltmental t^pe Certificate(Continuation &hett) tSVM/mweW SA5325SW-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 89137-1, dated 5-30-84 is required for Piper Models PA-28-140, PA-28-150, PA-28-160, PA-28-180, S/N 28-1 through S/N 28-7205318 and PA-28-235, S/N 28-10003 through S/N 28-10719 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 89138-1, dated 5-30-84 is required for Piper Models PA-28-235, S/N 28-10720 through S/N 28-7210023 and/or later FAA Approved revisions of the above supplement.

5. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89493, dated 5-30-84 is required for Piper Models PA-28-180, S/N 28-E13 and S/N 28-7305001 and up and/or later FAA Approved revisions of the above supplement.

6. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89137-2, dated 3-27-87 is required for Piper Models PA-28-140, PA-28-150, PA-28-160, PA-28-180, S/N 28-1 through S/N 28-7205318 and PA-28-235, S/N 28-10003 thorugh S/N 28-10719 and/or later FAA Approved revisions of the above supplement.

7. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89138-2, dated 3-27-87 is required for Piper Models PA-28-235, S/N 28-10720 through S/N 28-7210023 and/or later FAA Approved revisions of the above supplement.

8. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89493-1, dated 3-27-87 is required for Piper Models PA-28-180, S/N 28-E13 and S/N 28-7305001 and up and/or later FAA Approved revisions of the above supplement.

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

A>ir alteration nf MJ'J certificate i'j punishable by a fine oj not exceeding $1,000, or imprisonment not exceeding 3 fears, or bnth.

' AA FORM eiio-2.1 do-69) This certijkate may be transferred in accordance with l-'AR ;'/ -/7 PAGE 2 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 ZIP code) from (Name of grantor) (Print or type) .

(Address of grantor) (Number and street) (City, State, and £IP 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 27, 1987: Amended, Current. [certificate](https://openairdocs.org/files/sha256/f3/9e/f39e22774628ea4a9f8cc829ea096740488bc964196146af66adcd216b2b6190)

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