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Flight controls

STC SA1521CE-D

FAA DRS lists SA1521CE-D as Current · Reissued, held by Honeywell International Inc, for Textron Aviation 414A and Textron Aviation 421C. Recorded change: Installation of King KFC 250 flight control system (3 axis) using 3-inch or 4-inch indicators. Snapshot dated June 30, 2026.

FAA-listed holder
Honeywell International Inc
Aircraft configurations
2
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

SA1521CE-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 414A and Textron Aviation 421C. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Textron Aviation 414AA7CETextron Aviation 421CA7CE

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