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Fuel systems

STC SA574NW

FAA DRS lists SA574NW as Current · Reissued, held by Knots 2U Ltd., for Textron Aviation 310G, Textron Aviation 310H, and Textron Aviation 310I, and 25 more aircraft configurations. Recorded change: Installation of forward facing white lights, (100 Watts) and clear plastic wing tip tank nose cone and associated systems. Snapshot dated June 30, 2026.

FAA-listed holder
Knots 2U Ltd.
Aircraft configurations
28
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of forward facing white lights, (100 Watts) and clear plastic wing tip tank nose cone and associated systems.

SA574NW 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 310G, Textron Aviation 310H, and Textron Aviation 310I, and 25 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Textron Aviation 310G3A10Textron Aviation 310H3A10Textron Aviation 310I3A10Textron Aviation 310J3A10Textron Aviation 310K3A10Textron Aviation 310L3A10Textron Aviation 310N3A10Textron Aviation 310P3A10Textron Aviation 310Q3A10Textron Aviation 310R3A10Textron Aviation 320A3A25Textron Aviation 320B3A25Textron Aviation 320C3A25Textron Aviation 320D3A25Textron Aviation 320E3A25Textron Aviation 320F3A25Textron Aviation 340A3A25Textron Aviation 401A7CETextron Aviation 401AA7CETextron Aviation 401BA7CETextron Aviation 402A7CETextron Aviation 402AA7CETextron Aviation 402BA7CETextron Aviation 411AA7CETextron Aviation 414A7CETextron Aviation 421A7CETextron Aviation 421AA7CETextron Aviation 421BA7CE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Textron Aviation 310G and Textron Aviation 310H, and 26 more aircraft configurations model, serial range, and configuration?
  2. 02Which tanks, plumbing, usable-fuel assumptions, and inspections apply?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?

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