STC SA4221SW

Supplemental type certificate · S-TEC Corporation

Holder
S-TEC Corporation · United States
Status
Current · Reissued
Status date
June 3, 1981
Applied
October 14, 1980
Product
Aircraft · Single-Engine
Certification basis
Part 21
Data sheet
TCDS3A12

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

What it approves

Installation of S-TEC system 60 two axis automatic flight guidance system, Model ST-019

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 £tatu of amrriea Bepartment of transportation —federal Situation administration Supplemental ICgpe Certificate lAtwrrdw SA4221SU S-TEC Corporation Rt. 3, Bldg. 946 Wolters Industrial Complex Mineral Wells, Texas 76067 ,<^^/i«o«4^^/^^ <^^ 3 Civil Air r<x/iict Cessna 172M, 172N, S/N 17269309 and below installation of S-TEC System 60 Two Axis Automatic Flight Guidance System, Kodel ST-019 in accordance with Bulletin No. 122, Revision 2, dated 5/4/81 and Master Drawing List No. 9219, Revision B, dated V4/81 with optional Flight Director/Steering Horizon Installation according to ulletin No. 120, dated 6/2/80 and Master Drawing List No. 9209, dated 6/2/80 and optional Vertical Speed Indicator/Selector according to Bulletin No. 121, dated 6/2/80 and Master Drawing List No. 9210, dated 6/2/80, or later FAA approved revision. (14 Volt System)

1. FAA Approved Supplemental Flight Manual P/N 8917 dated 10-27-80 is required with S-TEC System 60 Two Axis Automatic Flight Control System Model ST-019.

2. Compatibility of this modification with other previously approved modifications must be determined by the installer.

October 14, 1980 October 27, 1980 <(«<!!^ June 3, 1981 Revision 1 (Signature) Don P. Watson Chief, Engineering and Manufacturing Branch

FAAFOHM8I 10-2(10-68)

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 · 2

MakeModelData sheet
Cessna Aircraft Company172M3A12
Cessna Aircraft Company172N3A12