STC SH4056NM
FAA DRS lists SH4056NM as Current · Reissued, held by Dart Aerospace USA Inc., for Bell Helicopter Textron 204B, Bell Helicopter Textron 205A, and Bell Helicopter Textron 205A-1, and 3 more aircraft configurations. Recorded change: Installation of pneumatic door actuators. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of pneumatic door actuators.
SH4056NM 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 204B, Bell Helicopter Textron 205A, and Bell Helicopter Textron 205A-1, and 3 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Bell Helicopter Textron 204B and Bell Helicopter Textron 205A, and 4 more aircraft configurations model, serial range, and configuration?
- 02Which configuration, loads, materials, inspections, and damage limits apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
Related aircraft structures STCs
Option 1: Install Vortex Generators on vertical stabilizer in accordance with RAM Drawing No. 1474 Rev. B. dated March 4, 1991 or later FAA approved revision. Option 2: Same as Option 1, except no change in airspeeds; Supplemental Flight Manual not required. Option 3: Install vortex generators on vertical stabilizer and wing top.
FAA holder: RAM Aircraft, Limited Partnership