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Fuel systems

STC ST00053BO

FAA DRS lists ST00053BO as Current · Amended, held by Simmonds Precision Products Inc, for Boeing 727-100 Series, Boeing 727C Series, and Boeing 727-200F Series, and 3 more aircraft configurations. Recorded change: Installation of a Simmonds Precision Products fuel quantity indicating system incorporating a volumetric top-off function. Snapshot dated June 30, 2026.

FAA-listed holder
Simmonds Precision Products Inc
Aircraft configurations
6
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

Installation of a Simmonds Precision Products fuel quantity indicating system incorporating a volumetric top-off function.

ST00053BO 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 727-100 Series, Boeing 727C Series, and Boeing 727-200F Series, and 3 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing 727-100 SeriesA3WEBoeing 727C SeriesA3WEBoeing 727-200F SeriesA3WEBoeing 727-200 SeriesA3WEBoeing 727A3WEBoeing 727-100C SeriesA3WE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing 727-100 Series and Boeing 727C Series, and 4 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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