STC SA1091GL
FAA DRS lists SA1091GL as Current · Reissued, held by Honeywell International Inc., for Boeing 747-100 Series and Boeing 747-200B Series. Recorded change: Installation of Grimes Floor Proximity Lighting System P/N 10-1309-21 or 10-1309-23. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA1091GL 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 747-100 Series and Boeing 747-200B Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
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Related aircraft structures STCs
Altered the fuselage structure to incorporate enlarged windows.
FAA holder: Signature Flight Support Corporation
Installation of R&L cockpit window.
FAA holder: Signature Flight Support Corporation
The landing light mounting in each outer wing panel leading edge altered.
FAA holder: Signature Flight Support Corporation
Installation of picture window.
FAA holder: Signature Flight Support Corporation