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Fuel systems

STC SA645NW

FAA DRS lists SA645NW as Current · Reissued, held by Sierra Industries Inc, for Textron Aviation 500. Recorded change: Installation of Eagle performance system, including recontoured wing leading edge, wing tip extension, increased gross weight, increased fuel capacity, and other minor refinements. Snapshot dated June 30, 2026.

FAA-listed holder
Sierra Industries Inc
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of Eagle performance system, including recontoured wing leading edge, wing tip extension, increased gross weight, increased fuel capacity, and other minor refinements.

SA645NW 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 500. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Textron Aviation 500A22CE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Textron Aviation 500 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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