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Electrical systems

STC SH5758NM

FAA DRS lists SH5758NM as Current · Reissued, held by Onboard Systems International, for Bell Helicopter Textron 204B, Bell Helicopter Textron 205A, and Bell Helicopter Textron 205A-1, and 3 more aircraft configurations. Recorded change: Fabrication of the Onboard Model 200-095-00 Multi-Channel Electrical Slip-Ring Kit. Snapshot dated June 30, 2026.

FAA-listed holder
Onboard Systems International
Aircraft configurations
6
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Fabrication of the Onboard Model 200-095-00 Multi-Channel Electrical Slip-Ring Kit.

SH5758NM 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.

Bell Helicopter Textron 204BH1SWBell Helicopter Textron 205AH1SWBell Helicopter Textron 205A-1H1SWBell Helicopter Textron 212H4SWBell Helicopter Textron 412H4SWRotorcraft Development UH-1HH13WE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Bell Helicopter Textron 204B and Bell Helicopter Textron 205A, and 4 more aircraft configurations model, serial range, and configuration?
  2. 02Which load analysis, wiring changes, protection, and limitations 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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