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Fuel systems

STC ST00633AT

FAA DRS lists ST00633AT as Current · Amended, held by Structural Integrity Engineering, for Boeing 727-200 Series. Recorded change: Approval of maximum zero fuel weight increase from 138,000 pounds to 146,000 pounds. (727-200 SERIES S/N 19483, 19484, 19486, 19491, 20180, 20184, 20185, 20187, 20995, 20996, 19480, 19492, 19481, 19482, 19485, 20191 ONLY). Snapshot dated June 30, 2026.

FAA-listed holder
Structural Integrity Engineering
Aircraft configurations
1
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

Approval of maximum zero fuel weight increase from 138,000 pounds to 146,000 pounds. (727-200 SERIES S/N 19483, 19484, 19486, 19491, 20180, 20184, 20185, 20187, 20995, 20996, 19480, 19492, 19481, 19482, 19485, 20191 ONLY).

ST00633AT 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 727-200 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing 727-200 SeriesA3WE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing 727-200 Series 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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