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Fuel systems

STC SA3-307

FAA DRS lists SA3-307 as Current · Reissued, held by Preferred Improvements LLC, for Boeing DC3-G102, Boeing DC3-G102A, and Boeing DC3-G103A, and 11 more aircraft configurations. Recorded change: Installation of 145-gallon fuel tanks. Installation of 252-gallon fuel tanks. Snapshot dated June 30, 2026.

Aircraft configurations
14
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of 145-gallon fuel tanks. Installation of 252-gallon fuel tanks.

SA3-307 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: Boeing DC3-G102, Boeing DC3-G102A, and Boeing DC3-G103A, and 11 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing DC3-G102 and Boeing DC3-G102A, and 12 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?