# STC SA3100SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell Automatic Flight System Model AK588 consisting of
Century III Autopilot with Optional Radio Coupler and Glide Slope Coupler
- Applied: January 6, 1976
- Status date: May 24, 1984
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 1A10](https://openairdocs.org/tcds/1A10)
- Certificate PDF: https://openairdocs.org/files/sha256/3b/96/3b96d9db57ec26458890e1c335e2798bcb8af8d23ee9889008950c6a62408604
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A61D50179C5DC0F385256CC2000A93D9.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3100SW-D

## ADs that name it (0)

None.

## Approved models (2)

- Piper Aircraft Inc. PA-23 ([TCDS 1A10](https://openairdocs.org/tcds/1A10))
- Piper Aircraft Inc. PA-23-160 ([TCDS 1A10](https://openairdocs.org/tcds/1A10))

## 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.

Bepartmcnt of transportation—jfedtral 2ttnation administration Supplemental ^gpe Certificate <slu>vnver' SA3100SW-D lylfau/a/^ CsnMwaJ' \J0 Century Flight Systems, Inc.

F.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 f^JA&fieuw 1A10 Piper PA-23 and PA-23-160* Ciyll Air Installation of Mitchell Automatic Flight System Model AK588 consisting of Century III Autopilot with Optional Radio Coupler and Glide Slope Coupler according to Bulletin No, 712, Rev. 2, dated 5-19-78 and Master Drawing List No. 87A834, Rev, B, dated 5-19-78 and/or later FAA Approved revisions of the above supplement.

Eligible only on PA- 2 3 and PA-23-160 when modified in accordance with STC SA461SW; SA499SW and *SA636SW and the above models if modified by any of the following additional STC's installed in any combination:

SA362SW, SA497SW, SA671SW, SA899SW, and SA1294SW *STC's SA371SW and SA463SW are included in STC SA636SW) See continuation Sheet, page 2, a part of this STC.

/,„ 1-06-76 1—14—76 i£ Asia// s 8-15-785-24-84, Rev. 2.

_ / 4t .us Don P. Watson Manager, Aircraft Certification Division Southwest Region (Title)

FAA font 8 1 1 0-2 ( 1 0-6S)

Bepartment of ^transportation— Jfcteal Station administration ^upplemental t^pe Certificate(Continuation $htet) SA3100SW-D, Revision 1, dtd. 8-15-78 Limitations and Conditions (Cont'd):

FAA/DAS Approved Airplane Flight Manual Supplement, P/N 68S330, dated 1-14-76 is required and/or later FAA Approved revisions of the above supplement.

Placard P/N 13A660 is required.

FAA FORM 8110-2.1 (10-W) Thu ctrtiftalt may */ trmsftrrtd in accordant! with FAR 21.47.

.NSTRUCTIONS: The .ransfer endor,emen, be.ow may be used .o noufy .he approve FAA Kepona. Office of the tranifer of thU Supplemental Type Certificate.

The FAA will reissue the certified in «he name of .he .r.nsferee and forward i. .o him.

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

(Address of transferee) _ from (Name of grantor) (Print or type).

(Address of grantor) (ffumktt **J antl) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

, „ < r. t> n ««ii«-««»-««0

## Every issue (1)

- May 24, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/3b/96/3b96d9db57ec26458890e1c335e2798bcb8af8d23ee9889008950c6a62408604)

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