STC SA5640NM-D
FAA DRS lists SA5640NM-D as Current · Reissued, held by United Airlines Inc, for Boeing 747-400 Series. Recorded change: Extend business class into C-Zone section, changing seat count from 18F/68C/350Y to 18F/80C/320Y. 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
SA5640NM-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.
Related cabin and interiors STCs
View record
Removal of cabin door for flight.
FAA holder: Heliplane Aircraft Corporation International
Manufacture of Cabin Floor Protectors in accordance with Aeronautical Accessories, Inc. Drawing List Report No. AA-97123, no revision, dated August 15, 1997, and installation per Report No. AA-97122, no revision, dated August 15, 1997, or later FAA approved revisions.
FAA holder: Bell Helicopter Textron Inc.
FAA record reference
- STC number
- SA5640NM-D
- Product
- Aircraft · Large Multi-Engine
- Country
- United States
- Application date
- July 27, 1992
- Revision date
- November 30, 2011
- CFR references
- Part 21, Part 25