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Other aircraft modifications

STC SR04156NY

FAA DRS lists SR04156NY as Current · Issued, held by Trinity Aviation Services Limited, for Bell Helicopter Textron 205A-1, Bell Helicopter Textron 205A, and Bell Helicopter Textron 205B, and 4 more aircraft configurations. Recorded change: Installation, maintenance and affectivity of replacement composite driveshaft covers. Snapshot dated June 30, 2026.

FAA-listed holder
Trinity Aviation Services Limited
Aircraft configurations
7
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Installation, maintenance and affectivity of replacement composite driveshaft covers.

SR04156NY 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 205A-1, Bell Helicopter Textron 205A, and Bell Helicopter Textron 205B, and 4 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Bell Helicopter Textron 205A-1H1SWBell Helicopter Textron 205AH1SWBell Helicopter Textron 205BH1SWBell Helicopter Textron 212H4SWBell Helicopter Textron 412H4SWBell Helicopter Textron 412CFH4SWBell Helicopter Textron 412EPH4SW

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Bell Helicopter Textron 205A-1 and Bell Helicopter Textron 205A, and 5 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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