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Electrical systems

STC SH4747NM

FAA DRS lists SH4747NM as Current · Reissued, held by AEM USA Inc., for Airbus Helicopters AS-350B, Airbus Helicopters AS-350B1, and Airbus Helicopters AS-350B2, and 5 more aircraft configurations. Recorded change: Fabrication and Installation of Electrical System Upgrade. Snapshot dated June 30, 2026.

FAA-listed holder
AEM USA Inc.
Aircraft configurations
8
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Fabrication and Installation of Electrical System Upgrade.

SH4747NM 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: Airbus Helicopters AS-350B, Airbus Helicopters AS-350B1, and Airbus Helicopters AS-350B2, and 5 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Airbus Helicopters AS-350BH9EUAirbus Helicopters AS-350B1H9EUAirbus Helicopters AS-350B2H9EUAirbus Helicopters AS-350B3H9EUAirbus Helicopters AS-350BAH9EUAirbus Helicopters AS-350CH9EUAirbus Helicopters AS-350DH9EUAirbus Helicopters AS-350D1H9EU

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Airbus Helicopters AS-350B and Airbus Helicopters AS-350B1, and 6 more aircraft configurations model, serial range, and configuration?
  2. 02Which load analysis, wiring changes, protection, and limitations apply?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?

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