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Other aircraft modifications

STC SR01591NY-D

FAA DRS lists SR01591NY-D as Current · Reissued, held by Diagnostic Solution International LLC, for Bell Helicopter Textron 412, Bell Helicopter Textron 412CF, and Bell Helicopter Textron 412EP. Recorded change: Installation of a Chadwick-Helmuth Vibration Monitoring System, VXP. Snapshot dated June 30, 2026.

Aircraft configurations
3
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of a Chadwick-Helmuth Vibration Monitoring System, VXP.

SR01591NY-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: Bell Helicopter Textron 412, Bell Helicopter Textron 412CF, and Bell Helicopter Textron 412EP. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Bell Helicopter Textron 412 and Bell Helicopter Textron 412CF, and 1 more aircraft configuration 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?