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Cabin and interiors

STC ST00001LB-D

FAA DRS lists ST00001LB-D as Current · Reissued, held by United Airlines Inc, for Boeing 747-400 Series. Recorded change: Extend Business Class into D - Zone section, changing seat count from 36F-126C-184Y to 36F-123C-142Y. Remove (42) Coach Class seats and (3) Business Class seats. Rework (123) Business Class seats to provide 12" recline and install seats at increased 48" - 50" pitch in C-Zone, D-Zone, and Upper Deck. Install (2) outboard class divider curtains in D-Zone. This modification was accomplished in accordance with United Air Lines, DAS-1-WE, Approved Master Drawing List No. 00001 dated January 24, 1995, or later FAA approved revisions. Snapshot dated June 30, 2026.

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

Recorded modification

What the FAA record covers

Extend Business Class into D - Zone section, changing seat count from 36F-126C-184Y to 36F-123C-142Y. Remove (42) Coach Class seats and (3) Business Class seats. Rework (123) Business Class seats to provide 12" recline and install seats at increased 48" - 50" pitch in C-Zone, D-Zone, and Upper Deck. Install (2) outboard class divider curtains in D-Zone. This modification was accomplished in accordance with United Air Lines, DAS-1-WE, Approved Master Drawing List No. 00001 dated January 24, 1995, or later FAA approved revisions.

ST00001LB-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 747-400 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing 747-400 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?