# STC SA3056SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system model AK533 consisting of Century III autopilot with command/automatic electronic pitch trim system and optional radio coupler and glide slope coupler.
- Applied: May 16, 1975
- Status date: June 22, 1984
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A29EU](https://openairdocs.org/tcds/A29EU)
- Certificate PDF: https://openairdocs.org/files/sha256/a1/2d/a12dd6e2b4d89ee3b52419b703278d62b64a95c499f38261b23345479e2d376a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A27E89EBBED3ABFF85256CC2000A933A.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3056SW-D

## ADs that name it (0)

None.

## Approved models (1)

- B-N Group Ltd. BN2A MK. III ([TCDS A29EU](https://openairdocs.org/tcds/A29EU))

## 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.

L/l&atita&o Bepartment of'transportation—federal atriation administration Supplemental ¥gpe Certificate *S lumber' SA3056SW-D Century Flight Systems, Inc.

P.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 yi^

21.29/ .jA&M4#*vc^^ 23 jjfj&v Federal Aviation A29EU Britten Norman BN-2A MK.III rvat> .' Installation of Mitchell Automatic Flight System Model AK533 consisting of Century HI Autopilot with Command/Automatic Electronic Pitch Trim System and Optional Radio Coupler and Glide Slope Coupler according to Bulletin No. 654, Revision 2, dated 10-17-75 and Master Drawing List No, 87A786, Revision B, dated 10-17-75, FAA/DAS Approved Airplane Flight Manual Supplement, P/N 68S239, dated 5-22-75 for Britten Norman BN-2A MK.III.

5-16-75 5-2A-75 other,previousiy& 10-28-75; 6-22-84, Revision 2 Don P. WatSOn (Signature) Manager, Aircraft Certificatioti Division Southwest Region (Title)

17.

**FAAFOOM SI 10-2(10-68)**

INSTRUCTIONS: The transfer endorsemen, below m.y be used ,o notify .he appropriate FAA Region.. Office of the transfer of thit Supplemental Type Certificate.

The FAA will reissue .he certifica.c in the name of the transferee and forward it to him.

TRANSFER ENDORSEMENT Transfer die ownership of Supplemental Type Certificate Number to (Name of transferee)__ (Address of transferee). I.Vumktr mJ strut) from (Name of grantor) (Print or type).

(Address of grantor) Extent of Audiority (if licensing agreement):

(City.Statt.**!ZI (City. SUU, Date of Transfer:.

Signature of grantor (In ink):

## Every issue (1)

- June 22, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/a1/2d/a12dd6e2b4d89ee3b52419b703278d62b64a95c499f38261b23345479e2d376a)

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