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Engine and powerplant

STC SH4921SW-D

FAA DRS lists SH4921SW-D as Current · Reissued, held by American Eurocopter Corporation, for Eurocopter France AS-350D. Recorded change: Installation of engine oil tank breather vent. Snapshot dated June 30, 2026.

FAA-listed holder
American Eurocopter Corporation
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of engine oil tank breather vent.

SH4921SW-D 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-350D. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Eurocopter France AS-350DH9EU

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Eurocopter France AS-350D model, serial range, and configuration?
  2. 02Which powerplant configuration, limits, instruments, and maintenance data 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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