STC SA3210SW-D

Supplemental type certificate · Century Flight Systems Inc

Holder
Century Flight Systems Inc · United States
Status
Current · Reissued
Status date
December 7, 1983
Applied
April 27, 1977
Product
Aircraft · Small Airplane
Certification basis
Part 21
Data sheet
TCDSA8EA

From FAA DRS, with our copy of the certificate PDF. DRS record last changed December 6, 2025.

What it approves

Installation of Mitchell automatic flight system Model AK685 consisting of a Piper altimatic X autopilot or Model AK685 FD consisting of a Piper altimatic X flight director autopilot with optional remote annunciator.

What the certificate says

From the PDF’s text layer, without the form’s printed wording. Layout and order may differ; the PDF is the record.

United States of arnica Bcpartmcnt of transportation federal 2lDiation administration Supplemental i:gpe Certificate iSutmvw SA3210SW-D Century Flight Systems, Inc P.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 //Lf ^i^i^ta^^ y^n ^<>^^/i^^^ Civil Air ±sl6au/a&t>nA.

A8EA Piper PA— 31 Installation of Mitchell Automatic Flight System Model AK685 consisting of a Piper Altimatic X Autopilot or Model AK685FD consisting of a Piper Altimatic X Flight Director Autopilot with Optional Remote Annunciator according to Bulletin No. 814, Revision 1, dated 10-25-77 and Master Drawing List No. 87A924, Revision A, dated 10-25-77 (23 Volt System) and/or later FAA Approved Revisions of the above data .

Eligible on Piper Model PA-31, S/N 31-7712001 and Up.

FAA/DAS Approved Pilot's Operating Handbook Supplement, P/N 68S539, dated 5-26-77, revised 11-9-77, is required for Piper Model PA-31, S/N 31-7712001 and Up and/or later FAA approved revisions of the above supplement.

A Placard stating, "Conduct trim check prior to flight (See POH)" is required.

Compatibility of this modification with other previously approved modifications ,, determined by the installer. ,/ / . ^ it / / // . . &> , f/<4M&,a#ie&JfaA*yifM^<M&J^teM>/tt£^ ' <d fne-

- vt 4 5-26-77 f •-S a/f 41 tftf fts/tf/ •' 11-9-77 ; 4-26-78; 12-7-83 Revision 3 Don P. WatSOn (Signature) Manager, Aircraft Certification Division Southwest Region (Title)

FAA FIMM 8110-2 (10-68)

^RUCTIONS: The transfer endorsement be.ow may be used ,o notify ,he appropriate FAA Region.. Office of the transfer of this Supplemental Type Certificate.

The FAA will reissue the certificate in the name of the transferee and forward it to him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) _ (Address of transferee) <Cit>.Stale.

from (Name of grantor) (Print or type).

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

Signature of grantor (In ink):

ADs that name this STC · 0

An AD can apply because an STC is installed, or mention one in its text.

No AD in this release names this STC

Approved models · 6

MakeModelData sheet
Piper Aircraft Inc.PA-31PA8EA
Piper Aircraft Inc.PA-31P-350A8EA
Piper Aircraft Inc.PA-31TA8EA
Piper Aircraft Inc.PA-31T1A8EA
Piper Aircraft Inc.PA-31T2A8EA
Piper Aircraft Inc.PA-31T3A8EA