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Aircraft structures

STC ST04685NY

FAA DRS lists ST04685NY as Current · Issued, held by Lufthansa Technik AG, for Boeing 747-400 Series. Recorded change: Installation of Riblets Film on Lower Fuselage. Snapshot dated June 30, 2026.

FAA-listed holder
Lufthansa Technik AG
Aircraft configurations
1
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

ST04685NY 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.

Boeing 747-400 SeriesA20WE

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Related aircraft structures STCs

ST00734DEAircraft structures

Installation of three (3) fuselage optical window assemblies to support atmospheric research and meteorological observations in accordance with National Center for Atmospheric Research Optical Window Project Drawing List DL-100-09, Revision A, dated May 26, 2010 or later FAA approved revision. This installation is complemented by STC No. ST03056AT that provides the fuselage view port locations for the optical window assemblies.

FAA holder: National Science Foundation

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