# STC SA1520SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc
- Description: Installation of Mitchell automatic flight system model AK400 consisting of Century IIB autopilot with optional radio coupler.
- Status date: July 13, 1984
- Data sheets: A6CE, A6CE
- Certificate PDF: https://openairdocs.org/files/sha256/5a/25/5a25735df7d6b2ac79a67cf6d99516fd16993fc38a7844e6e77fa94bc10320c2
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/93260ABBCD764B7485256CC10082128A.0001
- Page: https://openairdocs.org/stc/SA1520SW

## ADs that name it

None.

## Approved models (2)

- Cessna Aircraft Company 337E (TCDS A6CE)
- Cessna Aircraft Company 337F (TCDS A6CE)

## 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.

©Epartment of "^transportation —Jtdtral aoiation administration Supplemental ICgpc Certificate iSUttfrweT- SA1520SW Century Flight Systems, Inc.

P.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 Civil Air isha€*£a&0rtA'.

"Juairud i^%we£uf£ — — • A6CE Cessna 337E, 337F Installation of Mitchell Automatic Flight System Model AK400 consisting of Century IIB Autopilot with optional Radio Coupler per Bulletin No. 522 dated 9-20-72 and Master Drawing List 87A626 dated 9-28-72.

Installation of Mitchell Radio Coupler Model 1C388-3 per Bulletin No. 611 Revision (1) dated 4-16-74 and Master Drawing List 87A708, Revision A, dated 4-16-7A.

FAA Approved Airplane Flight Manual Supplement dated October 27, 1972, is required.

FAA Approved Airplane Flight Manual Supplement P/N 68S167 dated April 16, 1974, is required for Mitchell Radio Coupler Model 1C388-3.

Compatibility of this modification with other previously approved modifications&aust be determined by the installer, * * Fpiuveu moairicatlons data a?A*eA.- 1 ,,d tfr-f September 28, 1972 October 27, 1972 -iJ.

4-16-74; 7-13-84, Revision 2 *t trtr ttaftf -' Don P. Watson Manager, Aircraft Certification Division Southwest Region tr>ti'I

47.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee).

(Address of transferee).

f J^itmbtr and ilirttj , StaU. and ZIP t from (Name of grantor) (Print or type).

(Address of grantor) r and iltttl) t Cilj,. SliU, and ZIP l Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

**C FAA AC 69-5536**

## Every issue (1)

- July 13, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/5a/25/5a25735df7d6b2ac79a67cf6d99516fd16993fc38a7844e6e77fa94bc10320c2)

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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.