# STC SA5236SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 40/50 single and two axis automatic flight guidance system, Model ST-221-40/50.
- Applied: September 20, 1983
- Status date: March 14, 1988
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A31EU](https://openairdocs.org/tcds/A31EU)
- Certificate PDF: https://openairdocs.org/files/sha256/10/2e/102e9733b782c0b401593947479cf4568c56287db5038362766bc4c0ba27cd77
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/ED44EFE9BE3B9F3A86257ECB005A4B86.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA5236SW-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

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 States of America ©epartment of 'Cransportation— .federal 2toiation administration Supplemental 'Cgpe Certificate SA5236SW-D <Sc&y4&ia&vwk/.

S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral Wells, Texas 76067 W/,<^^ 23 Federal Aviation A31EU Partenavia P68B, P68C, P68C-TC, P68 "Observer" and P68-TC "Observer" Installation of S-TEC System 40/50, Single and Two Axis Automatic Flight Guidance Systems, Model ST-221-40/50, according to Bulletin No. 321, Revision 2, dated 3-01-88 and Master Drawing List No. 92237, Revision B, dated 3-01-88 and/or later FAA Approved revisions of the above data (28 Volt System).

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 89323, dated 11-7-83 is required for Partenavia Models P68B, P68C, P68C-TC and P68 "Observer" for S-TEC System 40 and/or later FAA Approved revisions of the above supplement.

S.ee et. Page 2,/ a/parrt of thjs STC.).^>^x«'i«<l«4-^b7'o<yywv?^^ S$drru''n 9-20-83 11-07-83 12-05-85, 3-14-88, Revision 2 (Signature ) Harold W. Holdeman DAS Staff Coordinator. DAS 5 SW(Title)

**FAA FOKM 81 10-2(10-68)**

United £tatts of amtria Bcpartmcnt of transportation -iedcral atnation administration mpplcmental ICgpt Certificate(Continuation £heet) SA5236SW-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 89324, dated 11-7-83 is required for Partenavia Models P68B, P68C, P68C-TC and P68 "Observer" for S-TEC System 50 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 89323-1, dated 12-05-85 is required for Partenavia Models P68B, P68C, P68C-TC, P68 "Observer" and P68-TC "Observer" for S-TEC System 40 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 89324-1, dated 12-05-85 is required for Partenavia Models P68B, P68C, P68C-TC, P68 "Observer" and P68-TC "Observer" for S-TEC System 50 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 89323-2, dated 3-14-88 is required for Partenavia Models P68B, P68C, P68C-TC, P68 "Observer" and P68-TC "Observer", With Or Without Camera Port, for S-TEC System 40 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 89324-2, dated 3-14-88 is required for Partenavia Models P68B, P68C, P68C-TC, P68 "Observer" and P68-TC "Observer", With Or Without Camera Port, for S-TEC System 50 and/or later FAA Approved revisions of the above supplement.

8. Compatabi1ity of this modification with other previously approved modifications must be determined by the installer.

iiltfratiun nj tkis certificate » punishable by a fine of not exceeding SJ.OOO, or imprisonment not exceeding 3 years, or both.

FORM eiio-2-1 do-69) This certificate may be tram/erred in accordance with i'Ak 'Jl^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, State, and <7P code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, Slate, and QP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- March 14, 1988: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/10/2e/102e9733b782c0b401593947479cf4568c56287db5038362766bc4c0ba27cd77)

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