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Cabin and interiors

STC ST00571LA-D

FAA DRS lists ST00571LA-D as Current · Reissued, held by United Airlines Inc, for Boeing 737-300 Series. Recorded change: Modifies the aircraft to remove one row (six seat places) of Weber TSO-C39b seats in the forward area of economy class on our Boeing 737-300 Series aircraft. With the removal of one seat row, six seat rows of Weber economy seats aft of the class divider will be increased in pitch from 31 to 35 inches. The seat row at the Type III exit and the row forward of the Type III exist will increase in pitch from 32 to 38 inches. The modification changes the passenger capacity to 8F/112Y. The installation is in accordance with DAS-1-WE Approved United Air Lines Master Document List No. 00571 dated February 5, 2000, or later FAA approved revisions. Snapshot dated June 30, 2026.

FAA-listed holder
United Airlines Inc
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Modifies the aircraft to remove one row (six seat places) of Weber TSO-C39b seats in the forward area of economy class on our Boeing 737-300 Series aircraft. With the removal of one seat row, six seat rows of Weber economy seats aft of the class divider will be increased in pitch from 31 to 35 inches. The seat row at the Type III exit and the row forward of the Type III exist will increase in pitch from 32 to 38 inches. The modification changes the passenger capacity to 8F/112Y. The installation is in accordance with DAS-1-WE Approved United Air Lines Master Document List No. 00571 dated February 5, 2000, or later FAA approved revisions.

ST00571LA-D 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 737-300 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing 737-300 SeriesA16WE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing 737-300 Series model, serial range, and configuration?
  2. 02Which layout, materials, flammability evidence, and weight changes 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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