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Other aircraft modifications

STC SH7961SW-D

FAA DRS lists SH7961SW-D as Current · Reissued, held by Diamond Upgrades, LLC, for Eurocopter France AS355F1. Recorded change: Installation of two Allison 250-C20R engines. Snapshot dated June 30, 2026.

FAA-listed holder
Diamond Upgrades, LLC
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of two Allison 250-C20R engines.

SH7961SW-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 AS355F1. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Eurocopter France AS355F1H11EU

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Eurocopter France AS355F1 model, serial range, and configuration?
  2. 02Which configuration, parts, installation data, limitations, and ICAs 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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