STC SH593EA
FAA DRS lists SH593EA as Current · Surrendered, held by Garrett Aviation Services, for Sikorsky Aircraft S-61N. Recorded change: Installation of Sperry C14A gyrosyn compass system.Descriptive data pertaining to this design change are considered inadequate for duplication in other products. This approval is limited to only the installation made in Sikorsky, S61N, Serial No 61424. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SH593EA 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: Sikorsky Aircraft S-61N. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
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