STC SE3331NM
FAA DRS lists SE3331NM as Current · Reissued, held by Real Gaskets Tennessee, for Franklin Sp zoo 4A-235-B, Franklin Sp zoo 4A-235-B2, and Franklin Sp zoo 4A-235-B3, and 21 more aircraft configurations. Recorded change: Lycoming valve cover gasket. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SE3331NM 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: Franklin Sp zoo 4A-235-B, Franklin Sp zoo 4A-235-B2, and Franklin Sp zoo 4A-235-B3, and 21 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
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Related other aircraft modifications STCs
Modification of AlliedSignal CTCP36-150W auxiliary power unit (APU) which extends APU operating envelope from 30,000 feet to 37,000 feet. Approval of this change applies to the Hawker 800XP with STC ST00459NY installed with the AlliedSignal GTCP36-150W APU.
FAA holder: Lockheed Martin Management & Data Systems
Installation of GLS Data Recording Equipment.
FAA holder: Rockwell Collins Inc
Installation of an AlliedSignal GNS-XLs flight management system.
FAA holder: Aircraft Engineering & Installation Services Inc