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Fuel systems

STC SA638GL

FAA DRS lists SA638GL as Current · Reissued, held by Shadin Avionics, for Cessna Aircraft 337, Cessna Aircraft 337A, and Cessna Aircraft 337B, and 15 more aircraft configurations. Recorded change: Installation of a Shadin Co. 910516 fuel flow indicating system. Snapshot dated June 30, 2026.

FAA-listed holder
Shadin Avionics
Aircraft configurations
18
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of a Shadin Co. 910516 fuel flow indicating system.

SA638GL 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: Cessna Aircraft 337, Cessna Aircraft 337A, and Cessna Aircraft 337B, and 15 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Cessna Aircraft 337A6CECessna Aircraft 337AA6CECessna Aircraft 337BA6CECessna Aircraft 337CA6CECessna Aircraft 337DA6CECessna Aircraft 337EA6CECessna Aircraft 337FA6CECessna Aircraft 337GA6CECessna Aircraft 337HA6CECessna Aircraft P337HA6CECessna Aircraft T337BA6CECessna Aircraft T337CA6CECessna Aircraft T337DA6CECessna Aircraft T337EA6CECessna Aircraft T337FA6CECessna Aircraft T337GA6CECessna Aircraft T337HA6CECessna Aircraft T337H-SPA6CE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Cessna Aircraft 337 and Cessna Aircraft 337A, and 16 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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