STC SA493EA
FAA DRS lists SA493EA as Current · Reissued, held by PC6-AU23 Spares LLC, for Pilatus Aircraft PC-6/C-H2, Pilatus Aircraft PC-6/B-H2, and Pilatus Aircraft PC-6/B1-H2, and 1 more aircraft configuration. Recorded change: Installation of Randolph Mfg. Co. Model 133 vacuum regulator. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA493EA 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: Pilatus Aircraft PC-6/C-H2, Pilatus Aircraft PC-6/B-H2, and Pilatus Aircraft PC-6/B1-H2, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
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Related other aircraft modifications STCs
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Replace the current PT6A-21 engines with PT6A-35 engines.
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