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Fuel systems

STC SA7729SW

FAA DRS lists SA7729SW as Current · Reissued, held by Ontic Engineering and Manufacturing Inc., for Boeing DC-8-61, Boeing DC-8-61F, and Boeing DC-8-63, and 5 more aircraft configurations. Recorded change: Installation of digital fuel quantity indicators, fuel totalizer, and capacitive fuel compensator units. Snapshot dated June 30, 2026.

FAA-listed holder
Ontic Engineering and Manufacturing Inc.
Aircraft configurations
8
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of digital fuel quantity indicators, fuel totalizer, and capacitive fuel compensator units.

SA7729SW 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 DC-8-61, Boeing DC-8-61F, and Boeing DC-8-63, and 5 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing DC-8-614A25Boeing DC-8-61F4A25Boeing DC-8-634A25Boeing DC-8-63F4A25Boeing DC-8-714A25Boeing DC-8-71F4A25Boeing DC-8-734A25Boeing DC-8-73F4A25

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing DC-8-61 and Boeing DC-8-61F, and 6 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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