STC SA521SW

Supplemental type certificate · Mitchell Industries Inc

Holder
Mitchell Industries Inc · United States
Status
Current · Reissued
Status date
September 7, 1966
Applied
April 26, 1965
Product
Aircraft · Small Airplane
Certification basis
Part 21
Data sheets
TCDS3A10TCDS3A25

From FAA DRS, with our copy of the certificate PDF. DRS record last changed December 5, 2025.

What it approves

Installation of Mitchell Automatic pilot model AK157

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.

federal Htriation Hgencg /f Supplemental 'Cgpe Certificate SA521SW MXTCHKLL ZKC.

P. 0. Box 610 Mineral Wells, Texas 76067 ^^.^^ J 3A10 and 3A25 3101, 310J, 320B, 320C, 320D Installation of Mltchell Automatic Pilot Model AK157 in accordance vith Mltchell Industrie*, Inc. Bulletin Ho. 275 dated 12/15/6$, and «ub«equent FAA Approred BuUetins and/or supplenents; Mitchell Lateral Ouidance Radio Coupler, Model AK123 per Bulletin Ho. 206 dated 6/10/64;

Mitchell Automatic Trl« Model AKL90 in accordance vith Bulletin HO. 30k, dated 12/15/65- 13A234-157"A" required.

Mitchell Znductrlet, Inc. FAA Approved placard

•^^^^cw>£fic&&Ja>ndJtwAt^yi&i&n^Jc(<x^&JuvM*w tSXa&njyu/.

April 26, 1965 21, 19»5 Septenber 7» 1966 Beviaion 2 (Signature) Glen V. Welsh Chief, Engineering and Manufacturing Branch (Title)

FAA FORM 81 10-2 (i-66) 0052-657-6000

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 · 5

MakeModelData sheet
Cessna Aircraft Company310I3A10
Cessna Aircraft Company310J3A10
Cessna Aircraft Company320B3A25
Cessna Aircraft Company320C3A25
Cessna Aircraft Company320D3A25