# STC SA645SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell Automatic Flight System AK215 consisting of Century II Autopilot with optional automatic aileron stabilizer and radio coupler
- Applied: May 10, 1966
- Status date: June 25, 1984
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A3](https://openairdocs.org/tcds/1A3)
- Certificate PDF: https://openairdocs.org/files/sha256/64/15/641549bae19eb2159ecc9f2cb115a4b8b0c4327b45fb6cf3f6756bc60ea0cff6
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/970C95ED7043A6BB85256CC200569F62.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA645SW

## ADs that name it (0)

None.

## Approved models (4)

- Bellanca Aircraft Corporation 14-19-3A ([TCDS 1A3](https://openairdocs.org/tcds/1A3))
- Bellanca Aircraft Corporation 17-30 ([TCDS 1A3](https://openairdocs.org/tcds/1A3))
- Bellanca Aircraft Corporation 17-31 ([TCDS 1A3](https://openairdocs.org/tcds/1A3))
- Bellanca Aircraft Corporation 17-31TC ([TCDS 1A3](https://openairdocs.org/tcds/1A3))

## 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.

<-Sleauta/-u>nA.

Beparcment of transportation —.federal 2Uriation administration Supplemental 'Cgpe Certificate SA645SW Century Flight Systems, Inc P.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 Jn*M>>*<M 3 ^-^f Civil Air 1A3 Bellanca U-19-3A, 17-30, 17-31, 17-31TC na* :

See Continuation Sheet, Page 2, a part of this STC °ther P^viously approved modifications <'n,: May 10, 1966 : May 19, 1966 : 12-15-70; 7-27-72; 4-26-74;

6-25-84, Revision 4

• MlttffuAt/:

Don P. Watson Manager, Aircraft Certification Division Southwest Region (TitU)

This certificate may he transferred in accordance with fr'AR 21 AT.

FAAFotMt 110-2(10-6*)

tinted £tatts of aatrtn

•Department of Transportation— federal filiation administration Supplemental ¥gpe Certificate(Continuation &heet) SA645SW, 6-25-84, Revision 4 DESCRIPTION OF TYPE DESIGN CHANGE:

Installation of Mitchell Automatic Flight System Model AK215 consisting of Century II Autopilot with optional Automatic Aileron Stabilizer and Radio Coupler according to Bulletin No. 320 Revision 3, dated 10-15-70 or installation of Mitchell Automatic Flight System Model 215 consisting of Century IIB Autopilot with Optional Radio Coupler according to Bulletin No. 320, Revision 5, dated 6-30-72. Installation of Mitchell Radio Coupler Model 1C388-C per Bulletin No. 611, Revision 1, dated 4-16-74 and Master Drawing List No. 87A708, Revision A, dated 4-16-74.

LIMITATIONS AND CONDITIONS;

1. Mitchell Industries, Inc. FAA Approved Placard 13A344-215 required with Century II installation.

2. Mitchell Industries, Inc. FAA Approved Placard 13A343-215 required with Stabilizer installation.

3. FAA Approved Airplane Flight Manual Supplement dated 7-27-72 required with Century IIB installation

4. FAA Approved Autopilot Flight Manual Supplement, P/N 68S168, dated 4-16-74 is required with Mitchell Radio Coupler Model 1C388-3.

FAA FORM 8H0.2-1 (to-**) Thit cirtificott my In trmsftmd in oceontanet with FAR 21.47.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number .

to (Name of transferee).

(Address of transferee). ( yumtxr *nd Oral) (City. Stall, tml ZIP cede I from (Nome of grantor) (Print or type), (Address of grantor) tMumkfr tnJ Urttl j (City, Sltlt, mi ZIP ndtl Extent of Authority (if licensing agreement):.

Signature of grantor (In ink):

. ,, < <-. •» n .«•«_««».oto

## Every issue (1)

- June 25, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/64/15/641549bae19eb2159ecc9f2cb115a4b8b0c4327b45fb6cf3f6756bc60ea0cff6)

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