STC SA5139SW-D
FAA DRS lists SA5139SW-D as Current · Amended, held by S-TEC Corporation, for Textron Aviation 172M, Textron Aviation 172N, and Textron Aviation 172P, and 1 more aircraft configuration. Recorded change: Installation of S-TEC System 60 Two Axis Automatic Flight Guidance System, Model ST-025. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of S-TEC System 60 Two Axis Automatic Flight Guidance System, Model ST-025.
SA5139SW-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: Textron Aviation 172M, Textron Aviation 172N, and Textron Aviation 172P, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Textron Aviation 172M and Textron Aviation 172N, and 2 more aircraft configurations model, serial range, and configuration?
- 02Which configuration, parts, installation data, limitations, and ICAs apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
Related other aircraft modifications STCs
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Installation of a controllable belly-mounted searchlight.
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Installation of Quick-Mount Kit to modify the existing nose-mounted Spectrolab Nightsun SX-16C Searchlight ass to a Quick- mount configuration or a quick-mount kit for the FLIR Systems, Inc. Model 2000- Series thermal imager to mount to the lower fuslage.
FAA holder: Bell Helicopter Textron Inc.