STC ST04176AT
FAA DRS lists ST04176AT as Current · Issued, held by Flightworks Inc, for Viking Air DHC-4A. Recorded change: Reduction of Maximum Zero Fuel Weight to 25,800 Pounds by decreasing Payload to 7500 pounds. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Reduction of Maximum Zero Fuel Weight to 25,800 Pounds by decreasing Payload to 7500 pounds.
ST04176AT 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: Viking Air DHC-4A. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Viking Air DHC-4A model, serial range, and configuration?
- 02Which tanks, plumbing, usable-fuel assumptions, and inspections apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
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