# STC SA533SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc
- Description: Installation of Mitchell automatic flight system model AK174 consisting of autocontrol IIIB autopilot with optional radio coupler.
- Status date: June 25, 1984
- Data sheets: 2A13, 2A13, 2A13, 2A13, 2A13, 2A13, 2A13, A3SO, A3SO
- Certificate PDF: https://openairdocs.org/files/sha256/b4/c0/b4c05edff5eab75041db17de2169b89f372796527252743823ae5d34f15ba43f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/65899B86D518E3FB85256CC20012287F.0001
- Page: https://openairdocs.org/stc/SA533SW

## ADs that name it

- [AD 70-15-18](https://openairdocs.org/ad/70-15-18): Automatic Pilot and Automatic Aileron Stabilizer Instruments · Mitchell Industries Auto Pilot Systems Instruments. Effective Aug 31, 1970

## Approved models (9)

- Piper Aircraft Inc. PA-28-140 (TCDS 2A13)
- Piper Aircraft Inc. PA-28-150 (TCDS 2A13)
- Piper Aircraft Inc. PA-28-160 (TCDS 2A13)
- Piper Aircraft Inc. PA-28-180 (TCDS 2A13)
- Piper Aircraft Inc. PA-28-235 (TCDS 2A13)
- Piper Aircraft Inc. PA-28R-180 (TCDS 2A13)
- Piper Aircraft Inc. PA-28R-200 (TCDS 2A13)
- Piper Aircraft Inc. PA-32-260 (TCDS A3SO)
- Piper Aircraft Inc. PA-32-300 (TCDS A3SO)

## 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.

department of ^transportation—federal Stoiation administration Supplemental Ituje Certificate <-Sl&anta£u>nA..

SA533SW Century Flight Systems, Inc.

F.M. 1195 P. 0. Box 610 Mineral Wells, XX 76067 ^fC^J!n&fi>f£0€vvr^fw*>ei<uf£Mfi&-4in&^ttn4£a&e>Ti^ Civil Air : A3SO, 2A13 : Piper . PA-28-140, PA-28-150, PA-28-160, PA-28-180 PA-28R-18Q, PA-28R-200, PA-28-235, PA-32-260, PA-32-300 Installation of Mitchell Automatic Flight System Model AK174 consisting of Auto- Control IIIB Autopilot with Optional Radio Coupler according to Bulletin No. 287, dated 6-14-72 and Master Drawing List No. 87A592, Revision A, dated 6-14-72, Installation of Mitchell Radio Coupler Model 1C388-3 according to Bulletin No. 611, dated 4-16-74 and Master Drawing List No. 87A708, Revision A, dated 4-16-74.

See Continuation Sheet, Page 2, a part of this STC.

June 30, 1965 July 8, 1968 approved modifications tf Jfor „/ 1-6-66; 5-13-68; 9-10-68; 6-3-72, 8-31-72; 4-16-74; 6-25-84, Revision 7 !s'~s,.m Don P. Watson Manager, Aircraft Certification Division Southwest Region (Title) ___ ___

This certificate may be transferred in accordance with FAR 21.17.

»AAFo*» 6110-3 (10-41)

anted State* of awta Bepartment of ^transportation— Jpederal aoiation administration Supplemental t:gpe Certificate(Continuation $heet) SA533SW, Revision 7, dated 6-25-84 LIMITATIONS AND CONDITIONS:

1. For Piper Models PA-28-140, PA-28-150 and PA-28-160 and PA-28-180, S/N 28-7205318 and below, dated 3-6-72, Revision 1, dated 8-31-72.

2. For Piper Model PA-28-180, S/N 28-7305001 and Up, dated 8-31-72.

3. For Piper Model PA-28-235, S/N 28-7310001 and Up, dated 8-30-72.

4. For Piper Models PA-32-260, PA-32-300 and PA-28-235, S/N 28-7210023 and below dated 3-6-72, Revision 1, dated 8-30-72.

5. For Piper Model PA-28R-180, dated 3-6-72.

6. For Piper Model PA-28R-200, S/N 28R-7135329 and below, dated 3-6-72.

7. For Autopilot Radio Coupler Model 1C388-3, P/N 68S167, dated 4-16-74 is required.

FAA FORM 8MO-2-1 UO49) Tku ctrtificatt uuy It trans/tnid in accordant! with FAR 21.47.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee)_ (Address of transferee). (Number and street) (City, Slate, and ^IP code) from (Name of grantor) (Print or type) .

(Address of grantor) (Number and street) (City, State, and ^IP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- June 25, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/b4/c0/b4c05edff5eab75041db17de2169b89f372796527252743823ae5d34f15ba43f)

---
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.