# STC SA3288SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system model AK757 consisting of a Century III autopilot with optional radio coupler and glide slope coupler.
- Applied: May 23, 1978
- Status date: March 28, 1984
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A19SO](https://openairdocs.org/tcds/A19SO)
- Certificate PDF: https://openairdocs.org/files/sha256/cb/61/cb612af49723b45851c3198312b420984869a4d26b05a202cb83676a1625c94b
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4C4A848597BCA85286257DB300775C1D.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3288SW-D

## ADs that name it (0)

None.

## Approved models (2)

- Piper Aircraft Inc. PA-44-180 ([TCDS A19SO](https://openairdocs.org/tcds/A19SO))
- Piper Aircraft Inc. PA-44-180T ([TCDS A19SO](https://openairdocs.org/tcds/A19SO))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA328854-D This certificate issued to: Century Flight Systems, Inc.

F.M. 1195 P. O. Box 610 Mineral Wells, IX 76067 Part 23 of the Pederal AvIation Regulations.

Original Product - Type Pertificate Number: A1950 Make: Piper Model: PA-44-180, PA-44-1807 Curitiattor eigelhangmatic Plight System Model AR757 consisting of a Century III Autopilot with Optional Radio Coupler and Glide Slope Coupler according to Bulletin No. 892 Bev. 2 dated 1-8-80 and Master Drawing List No. 87A1007 Rev. B dated 1-8-80 (14 Volt System), or later FAA approved revision.

Ahripprovedderpratien 11ght Manual Supplement P/N 685713-$ Rev. 1 dated 1-18-80 18 required.

Placard P/N 13A660 1s required.

Compatibility of this modification with other previously approved modifications ris certificate and the supporting datu whic ust be determined DY the 1psuwhich is the basis fur apprval shuli vernain in effect unde sur rendered, suspended, revoked, or a termination date is otherwise established by the Administrater of the Federal Aviation Administration .

Date of Application: 5-23-78 Jule missued: 2-20-80; 3-28-84 Rev181on 2 Date of Issuance: . 5-26-78 Date Amended:

FEDERAL AVIATION By direg! the Sldministrater Don P. Watson ( Signature ) *MINISTRATION Manager, Aircraft Certification Division Southwest Region (Title)

47.

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

(Address of transferee) (230185 pete sequens") from (Name of grantor) (Print or type) (Address of grantor) ( Number and streel ;

Date of Transfer: _ Signature of grantor (In ink): - + 11 + r. 0~. 1090-462-080

## Every issue (1)

- March 28, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/cb/61/cb612af49723b45851c3198312b420984869a4d26b05a202cb83676a1625c94b)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
