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Fuel systems

STC SB04129CH

FAA DRS lists SB04129CH as Current · Issued, held by Tom Warren, for Balony Kubicek spol sro BB34Z. Recorded change: Replace the existing fuel tanks with Ultramagic Model M-40D, S/Ns UM4-1072 and UM4-1073. The Ultramagic fuel tank. Snapshot dated June 30, 2026.

FAA-listed holder
Tom Warren
Aircraft configurations
1
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Replace the existing fuel tanks with Ultramagic Model M-40D, S/Ns UM4-1072 and UM4-1073. The Ultramagic fuel tank.

SB04129CH 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: Balony Kubicek spol sro BB34Z. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Balony Kubicek spol sro BB34ZB04CE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Balony Kubicek spol sro BB34Z 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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