Skip to content
Flight controls

STC SA421GL

FAA DRS lists SA421GL as Current · Amended, held by Knots 2U Ltd, for Raytheon Aircraft F33, Raytheon Aircraft 35-A33, and Raytheon Aircraft H35, and 23 more aircraft configurations. Recorded change: Installation of aileron and flap gap seals. Snapshot dated June 30, 2026.

FAA-listed holder
Aircraft configurations
26
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

SA421GL 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: Raytheon Aircraft F33, Raytheon Aircraft 35-A33, and Raytheon Aircraft H35, and 23 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing