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Fuel systems

STC SA5846NM

FAA DRS lists SA5846NM as Current · Reissued, held by Aerosport Fuel Cells, LLC, for Textron Aviation 411, Textron Aviation 421, and Textron Aviation 421A, and 2 more aircraft configurations. Recorded change: Installation of wing tank flexible fuel cells. Snapshot dated June 30, 2026.

FAA-listed holder
Aerosport Fuel Cells, LLC
Aircraft configurations
5
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

SA5846NM 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 411, Textron Aviation 421, and Textron Aviation 421A, and 2 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Textron Aviation 411A7CETextron Aviation 421A7CETextron Aviation 421AA7CETextron Aviation 421BA7CETextron Aviation 411AA7CE

Buyer checks

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Related fuel systems STCs

SA01287WIFuel systems

Installation of Jacobs R-755A and R-755B engines modified for fuel injection in accordance with STC SE01288WI. Data required: (1) Butterfly Aviation Master Drawing List Report BA1002-13 dated August 30, 2004, (2) Butterfly Aviation Instructions for Continued Airworthiness Report BA1002-12 dated August 30, 2004, and (3) FAA Approved Airplane Flight Manual Supplement dated November 17, 2004, or later FAA Approved revisions to (1), (2) or (3).

FAA holder: Radial Engines Ltd

View record