# STC SA5302SW-D

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 40/50 single and two axis automatic flight guidance systems, Model ST-212-40/50.
- Applied: December 12, 1983
- Status date: March 25, 1988
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A21](https://openairdocs.org/tcds/3A21)
- Certificate PDF: https://openairdocs.org/files/sha256/92/24/92242733d949f9247bdf7b276b2b77b7c47e86a827135564c7504c3478447f3a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/780007019E58F08785256CC200122832.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA5302SW-D

## ADs that name it (0)

None.

## Approved models (6)

- Textron Aviation Inc. 210L ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. 210M ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. 210N ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. T210L ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. T210M ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. T210N ([TCDS 3A21](https://openairdocs.org/tcds/3A21))

## 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 amerita Bcpartment of transportation—federal aviation administration Supplemental 'Cgpe Certificate SA5302SW-D S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral Wells, Texas 76067 v^trWjVufwjtze&fjgtrfvfer-Jiri&feticitvtvMj/vrecti^^ M'tnf^/iv^uvrertiemJi'^jM&J 3 J<dJ6/ie> Civil Air <Jt&2*dti£&n&'.

3A21 CESSNA 210L, T210L, 210M, T210M, 210N, AND T210N Installation of S-TEC System 40/50 Single and Two Axis Automatic Flight Guidance Systems, Model ST-212-40/50, according to Bulletin No. 312, Revision 4, dated 3-21-88 and Master Drawing List No. 92234, Revision D, dated 3-21-88 and/or later FAA Approved revisions of the above data (28 Volt System).

1. Also eligible on Model T210L when modified in accordance with STC SA2689SW (RAM Modification).

2. Also eligible on Models 210L, T210L, 210M and T210M When Modified Per STC SA1525WE (Robertson STOL) Continuation Sheet, Page 2, a part of this STC.)«<^£oz^.^»Z^,<JC^xl<^^4<»»«<&t^,<S&<^ ^e4<wi^njz/i&w<ei^ Sfi(dmv 12-12-83 y&u******/: 7-30-85, 4-30-86, 3-25-88, Revision 34-06-84 yu»~.

DAS Staff Coordinator, DAS 5 SW (Tille)

'I his certificate may be transferred in accordance with FAR 21.47.

FAAFoiMBl 10-2(10-68)

ttnitrd £tatt» of amenta Bepartmcnt of ^transportation— .federal SWation administration Supplemental t^pe Certificate(Continuation 3hcct) SA5302SW-D, Revision 3 Limitations and Conditions (Con't)

3. Also eligible on Models 210N and T210N when Modified in accordance with STC SA756NW (Robertson STOL).

4. FAA Approved Supplemental Flight Manual, P/N 89318, dated 4-06-84 is required for Cessna Models 210L, T210L, 210M and T210M 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 89319, dated 4-06-84 is required for Cessna Models 210N and T210N for S-TEC System 40 and/or later FAA Approved revisions of the above supplement.

6. FAA Approved Supplemental Flight Manual, P/N 89320, dated 4-06-84 is required for Cessna Models 210L, T210L, 210M and T210M for S-TEC System 50 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 89321, dated 4-06-84 is required for Cessna Models 210N and T210N for S-TEC System 50 and/or later FAA Approved revisions of the above supplement.

8. FAA Approved Supplemental Flight Manual, P/N 89318-1, dated 7-30-85 is required for Cessna Models 210L, T210L, 210M, T210M and Model T210L when modified in accordance with STC SA2689SW (RAM Modification) for S-TEC System 40 and/or later FAA Approved revisions of the above supplement.

9. FAA Approved Supplemental Flight Manual, P/N 89320-1, dated 7-30-85 is required for Cessna Models 210L, T210L, 210M, T210M and Model T210L when modified in accordance with STC SA2689SW (RAM Modification) for S-TEC System 50 and/or later FAA Approved revisions of the above supplement.

10. FAA Approved Supplemental Flight Manual, P/N 89318-2, dated 4-30-86 is required for Cessna Models 210L, T210L, 210M, T210M and Model T210L when modified in accordance with STC SA2689SW (RAM Modification) (with 0106-R9 Roll Servo) for S-TEC System 40 and/or later FAA Approved revisions of the above supplement.

11. FAA Approved Supplemental Flight Manual, P/N 89320-2, dated 4-30-86 is required for Cessna Models 210L, T210L, 210M, T210M and Model T210L when modified in accordance with STC SA2689SW (RAM Modification) (with 0106-R9 Roll Servo) for S-TEC System 50 and or later FAA Approved revisions of the above supplement.

(See Continuation Sheet, Page 3, a part of this STC.)

A'n alteration of this certificate is punishable by a fine oj not exceeding SI, 000, or imprisonment not exceeding 3 years, or bnlh.

' A/V FORM Biio-2.1 (10-69) This certificate may be transjerred in accordance with l-'AH i'/.4~ PAGE 2 OF 3 PAGES

Umttd £tatts of amtrica Bcpartmtnt of TCransnortation— Jpeteal aoiation administration Supplemental TCgpe Certificate(Continuation &heet) SA5302SW-D, Revision 3 Limitations and Conditions (Con't)

12. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89319-1, dated 4-30-86 is required for Cessna Models 210N and T210N and the above Models when modified in accordance with STC SA756NW (Robertson STOL Conversion) (with 0106-R9 Roll Servo) for S-TEC System 40 and /or later FAA Approved revisions of the above supplement.

13. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89321-1, dated 4-30-86 is required for Cessna Models 210N and T210N and the above Models when modified in accordance with STC SA756NW (Robertson STOL Conversion) (with 0106-R9 Roll Servo) for S-TEC System 50 and/or later FAA Approved revisions of the above supplement.

14. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89779, dated 3-25-88 is required for Cessna Models 210L, T210L, 210M and T210M When Modified Per STC SA1525WE (Robertson STOL) for S-TEC System 40 and/or later FAA Approved revisions of the above supplement.

15. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89780, dated 3-25-88 is required for Cessna Models 210L, T210L, 210M and T210M When Modified Per STC SA1525WE (Robertson STOL) for S-TEC System 50 and/or later FAA Approved revisions of the above supplement.

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

.•I'n alteration of this certificate is punishable by a fine of not exceeding Sl,000, or imprisonment not exceeding 3 years, or both.

rAA FORM 8110-z-i (to-69) This certificate may be transjerred in accordance with 1'AK -'/.•/.7.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number __ to (Name of transferee) (Address of transferee) (Number and street) (City, State, and £IP code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, Slate, and %1P code) Extent of Authority (if licensing agreement):

Date of Transfer: - Signature of grantor (In ink):

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

## Every issue (1)

- March 25, 1988: Amended, Current. [certificate](https://openairdocs.org/files/sha256/92/24/92242733d949f9247bdf7b276b2b77b7c47e86a827135564c7504c3478447f3a)

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