STC SA3420SW-D

Supplemental type certificate · Century Flight Systems Inc

Holder
Century Flight Systems Inc · United States
Status
Current · Reissued
Status date
August 23, 1983
Product
Aircraft · Single-Engine
Certification basis
Part 21
Data sheet
TCDSA20CE

From FAA DRS. DRS record last changed December 5, 2025.

What it approves

Mitchell automatic flight system AK921 consisting of Century III autopilot with optional radio coupler and glide slope coupler.

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 · 1

MakeModelData sheet
The Cessna Aircraft Company177RGA20CE