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Other aircraft modifications

STC SA09121AC-D

FAA DRS lists SA09121AC-D as Current · Amended, held by S-TEC Corporation, for Cessna Aircraft F337E, Cessna Aircraft F337F, and Cessna Aircraft F337G, and 5 more aircraft configurations. Recorded change: Installation of S-TEC System 55 Two Axis Automatic Flight Guidance System, Model ST-603. Snapshot dated June 30, 2026.

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FAA-listed holder
S-TEC Corporation
Aircraft configurations
8
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

SA09121AC-D identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.

Applicability

Aircraft named in FAA DRS

Named aircraft: Cessna Aircraft F337E, Cessna Aircraft F337F, and Cessna Aircraft F337G, and 5 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Cessna Aircraft F337EA23EUCessna Aircraft F337FA23EUCessna Aircraft F337GA23EUCessna Aircraft F337HA23EUCessna Aircraft FT337EA23EUCessna Aircraft FT337FA23EUCessna Aircraft FT337GPA23EUCessna Aircraft FT337HPA23EU

Related other aircraft modifications STCs

FAA record reference

STC number
SA09121AC-D
Product
Aircraft · Small Multi-Engine
Country
United States
Application date
September 21, 1995
Revision date
April 19, 2001
CFR references
Part 21