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Cabin and interiors

STC SA4972NM

FAA DRS lists SA4972NM as Current · Reissued, held by Twin Otter International Ltd., for Viking Air DHC-6-300. Recorded change: Installation of 130 gallon auxiliary fuel tank in the passenger compartment. (DHC-6-300 restricted category). Snapshot dated June 30, 2026.

FAA-listed holder
Twin Otter International Ltd.
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of 130 gallon auxiliary fuel tank in the passenger compartment. (DHC-6-300 restricted category).

SA4972NM 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-6-300. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Viking Air DHC-6-300A9EA

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Viking Air DHC-6-300 model, serial range, and configuration?
  2. 02Which layout, materials, flammability evidence, and weight changes 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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