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Other aircraft modifications

STC SR09535RC-D

FAA DRS lists SR09535RC-D as Current · Reissued, held by BLR Aerospace LLC., for Agusta SpA AB412, Agusta SpA AB412 EP, and Bell Helicopter Textron 412, and 2 more aircraft configurations. Recorded change: Installation of a Dual Tailboom Strakes and FastFin System. Snapshot dated June 30, 2026.

FAA-listed holder
BLR Aerospace LLC.
Aircraft configurations
5
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of a Dual Tailboom Strakes and FastFin System.

SR09535RC-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: Agusta SpA AB412, Agusta SpA AB412 EP, and Bell Helicopter Textron 412, and 2 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Agusta SpA AB412H79EUAgusta SpA AB412 EPH79EUBell Helicopter Textron 412H4SWBell Helicopter Textron 412CFH4SWBell Helicopter Textron 412EPH4SW

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Agusta SpA AB412 and Agusta SpA AB412 EP, and 3 more aircraft configurations 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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