# STC SA1687SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc
- Description: Installation of Mitchell automatic flight system Model YK428 consisting of yaw damper system
- Status date: July 16, 1984
- Data sheets: 3A16, 3A16, 3A16, 3A16, 3A16, 3A16, 3A16, 3A16, 3A16, 3A16, 3A16, 3A16, 3A16
- Certificate PDF: https://openairdocs.org/files/sha256/36/d9/36d9320fd0d98a35c157ec39a418c417eba554ee60f63f7905b4215e6c6373ff
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2F46E6686AA7B99185256CC10083CED2.0001
- Page: https://openairdocs.org/stc/SA1687SW

## ADs that name it

None.

## Approved models (13)

- Beechcraft Corporation 58 (TCDS 3A16)
- Beechcraft Corporation 58A (TCDS 3A16)
- Beechcraft Corporation 95-55 (TCDS 3A16)
- Beechcraft Corporation 95-A55 (TCDS 3A16)
- Beechcraft Corporation 95-B55 (TCDS 3A16)
- Beechcraft Corporation 95-B55A (TCDS 3A16)
- Beechcraft Corporation 95-B55B (TCDS 3A16)
- Beechcraft Corporation 95-C55 (TCDS 3A16)
- Beechcraft Corporation 95-C55A (TCDS 3A16)
- Beechcraft Corporation D55 (TCDS 3A16)
- Beechcraft Corporation D55A (TCDS 3A16)
- Beechcraft Corporation E55 (TCDS 3A16)
- Beechcraft Corporation E55A (TCDS 3A16)

## 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.

•^/ItatttaJl&nA.

©Epartment of ^transportation — JFederal aoiation administration Supplemental t^pe Certificate SA1687SW Century Flight Systems, Inc.

F.M. 1195 P. 0. Box 610 • Mineral Wells, TX 76067 JiteJiuS^-'zeA*i&Wf^4i'w4<>dte>iitt9^ J jidne' LlVlJ- AlT 3A16 Beech 95-55, 95-A55, 95-B55, 95-B55A, 95-B55B, 95-C55, 95-C55A, D55, D55A, E55, E55A, 58, 58A nat ;

Installation of Mitchell Automatic Flight System Model YK428 consisting of Yaw Damper System according to Bulletin No. 550, Revision 4, dated 10-20-75 and Master Drawing List No. 87A667, Revision D, dated 10-20-75.

. FAA Approved Airplane Flight Manual Supplement, P/N 68S146-1, dated 12-26-73 for Beech Models 95-55, 95-A55, 95-B55, 95-B55A, 95-B55B, 95-C55, 95-C55A, D55, D55A, E55, E55A, 58 and 58A; or Airplane Flight Manual Supplement, P/N 68S150, dated 12-26-73 for Beech Models 95-B55, 95-B55A, E55, E55A, 58 and 58A is required for installation. This modification is also eligible with STC SA1777SW for Automatic Flight System Model AK.450.

June 13, 1973 June 25, 1973 Previousl* modifications -ti^^ 12-26-73; 3-26-75; 1-7-76;

7-16-84, Revision 4 Don P. Watson Manager, Aircraft Certification Division Southwest Region Any alteration ofthn certificate it punishable by a fine of not exceeding II ,000, or imprisonment not exceeding 3yean,, 01 bull,.

T/tii certificate may be Irani/tried in accordance with I-AK 21.47.

INSTRUCTIONS: 1 he transfer endorsement below may be used 10 notify ihe appropriate FAA Regional Office of ihe transfer of this Supplemental Type Certificate.

The FAA will reissue ihe certificate m the name of thf transferee and forward it ID him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Numbtr and itrrttj (City, SlaU.

from (Name of grantor) (Print or type) (Address of grantor) (Number and strtttj I City, StoU, a Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

**C FAA AC 69-1536**

## Every issue (1)

- July 16, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/36/d9/36d9320fd0d98a35c157ec39a418c417eba554ee60f63f7905b4215e6c6373ff)

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From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.