# STC SA5221SW-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-014
- Applied: July 15, 1983
- Status date: September 10, 2008
- Product: Aircraft, Single-Engine
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15)
- Certificate PDF: https://openairdocs.org/files/sha256/da/13/da135f9efca0bfce7808df52c0821c51e55a3f6d3971c0b8da8d184ff1184e95
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F43038D85E7D62DD862574CF007B7A95.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA5221SW-D

## ADs that name it (0)

None.

## Approved models (3)

- Raytheon Aircraft Company 36 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company A36 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company F33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15))

## 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.

Part 3 of the Civil Air Regulations.

Installation of S-TEC System 60 Two Axis Automatic Flight Guidance System, Model ST-014, according to Master Drawing List No. 9221, Revision M, date d 9-10-08 or later FAA Approved revisions of the above data (14 Volt System).

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

If the holder agrees to permit another person to use th is certificate to alter the product, the holder shall give the other person written evidence of that permission.

S-TEC Corporation One S-TEC Way Mineral Wells Municipal Airport Mineral Wells, TX 76067-9236 3A15 Beech Make :

Model : 36, A36, and F33A

Date of application : 7-15-83 Date of issuance : 10-10-83 Date reissued :

Date amended : 6-06-86, 1-17-02, 9-10-08

(Signature)

James W. Smisek DAS administrator, DAS-100.2 (Title)

FAA Form 8110-2-1(10-69) Page 2 of 3

Number SA5221SW-D Amended 9-10-08

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)

Signature of grantor (In ink):

FAA Form 8110-2-1(10-69) Page 3 of 3

Number SA5221SW-D Amended 9-10-08

Limitations and Conditions (con’t.)

1. Eligibility limited to Beech model F33A, S/N CE-316 and up.

2. Also eligible on models, 36, A36, and F33A, S/N CE-316 and up when modified per STC SA153EA (tip tanks).

3. Also eligible on models 36 and A36 wh en modified per STC SA5223NM (turbo-normalizing system).

4. FAA Approved Supplement to Pilot’s Op erating Handbook and/or FAA Approved Airplane Flight Manual, P/N 8980-3, date d 10-10-83 is required or later FAA Approved revisions of the above supplement.

5. FAA Approved Supplement to Pilot’s Op erating Handbook and/or FAA Approved Airplane Flight Manual, P/N 8980-4, date d 6-06-86 is required or later FAA Approved revisions of the above supplement.

6. FAA/DAS Approved Pilot’s Operating Handbook and/or Airplane Flight Manual Supplement, P/N 8980, Revision 5, dated 1-17-02 is required for 1. Beech models 36, A36; and F33A, S/N CE-316 and up; 2. Beech models 36, A36; a nd F33A, S/N CE-316 and up when modified per STC SA153EA (tip tanks); 3. Beech models 36 and A36 when modified per STC SA5223NM (turbo-normalizing system) or later FAA Approved revisions of the above supplement.

7. FAA/DAS Approved Pilot’s Operating Handbook and/or Airplane Flight Manual Supplement, P/N 8980, Revision 6, dated 9-10-08 is required for 1. Beech models 36, A36; and F33A, S/N CE-316 and up; 2. Beech models 36, A36; a nd F33A, S/N CE-316 and up when modified per STC SA153EA (tip tanks); 3. Beech models 36 and A36 when modified per STC SA5223NM (turbo-normalizing system) or later FAA Approved revisions of the above supplement.

8. Compatibility of this modification with ot her previously approved modifications must be determined by the installer.

## Every issue (1)

- September 10, 2008: Amended, Current. [certificate](https://openairdocs.org/files/sha256/da/13/da135f9efca0bfce7808df52c0821c51e55a3f6d3971c0b8da8d184ff1184e95)

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