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Other aircraft modifications

STC SA8406SW-D

FAA DRS lists SA8406SW-D as Current · Amended, held by S-TEC Corporation, for Textron Aviation 206, Textron Aviation P206, and Textron Aviation P206A, and 24 more aircraft configurations. Recorded change: Installation of S-TEC System 55/55X two axis automatic flight guidance system, Model ST-555. Snapshot dated June 30, 2026.

FAA-listed holder
S-TEC Corporation
Aircraft configurations
27
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

SA8406SW-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 206, Textron Aviation P206, and Textron Aviation P206A, and 24 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Textron Aviation 206A4CETextron Aviation P206A4CETextron Aviation P206AA4CETextron Aviation P206BA4CETextron Aviation P206CA4CETextron Aviation P206DA4CETextron Aviation P206EA4CETextron Aviation TP206AA4CETextron Aviation TP206BA4CETextron Aviation TP206CA4CETextron Aviation TP206DA4CETextron Aviation TP206EA4CETextron Aviation TU206AA4CETextron Aviation TU206BA4CETextron Aviation TU206CA4CETextron Aviation TU206DA4CETextron Aviation TU206EA4CETextron Aviation TU206FA4CETextron Aviation TU206GA4CETextron Aviation U206A4CETextron Aviation U206AA4CETextron Aviation U206BA4CETextron Aviation U206CA4CETextron Aviation U206DA4CETextron Aviation U206EA4CETextron Aviation U206FA4CETextron Aviation U206GA4CE

Buyer checks

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