STC SH4971NM
FAA DRS lists SH4971NM as Current · Reissued, held by Dart Aerospace USA Inc., for Eurocopter France AS-350B, Eurocopter France AS-350B1, and Eurocopter France AS-350B2, and 5 more aircraft configurations. Recorded change: Installation of lead acid battery. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SH4971NM 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: Eurocopter France AS-350B, Eurocopter France AS-350B1, and Eurocopter France AS-350B2, and 5 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
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Related electrical systems STCs
Installation of universal internal mount for electrical equipment provisions.
FAA holder: STERLING HELICOPTER
Installation of a Constant Friction Mount , Cradle, and Integrated Power Supply.
FAA holder: Avionics Support Group Inc.