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Cargo and special mission

STC SH5780NM

FAA DRS lists SH5780NM as Current · Reissued, held by Onboard Systems International, for Sikorsky Aircraft S-58DT, Sikorsky Aircraft S-58F, and Sikorsky Aircraft S-58G, and 12 more aircraft configurations. Recorded change: Fabrication of Onboard Systems model E-46 cargo hook load weigh system. Snapshot dated June 30, 2026.

FAA-listed holder
Onboard Systems International
Aircraft configurations
15
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Fabrication of Onboard Systems model E-46 cargo hook load weigh system.

SH5780NM 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: Sikorsky Aircraft S-58DT, Sikorsky Aircraft S-58F, and Sikorsky Aircraft S-58G, and 12 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Sikorsky Aircraft S-58DT1H11
Sikorsky Aircraft S-58F1H11
Sikorsky Aircraft S-58G1H11
Sikorsky Aircraft S-58A1H11
Sikorsky Aircraft S-58C1H11
Sikorsky Aircraft S-58B1H11
Sikorsky Aircraft S-58D1H11
Sikorsky Aircraft S-58E1H11
Sikorsky Aircraft S-58H1H11
Sikorsky Aircraft S-58J1H11
Sikorsky Aircraft S-58BT1H11Sikorsky Aircraft S-58JT1H11Sikorsky Aircraft S-58HT1H11Sikorsky Aircraft S-58FT1H11Sikorsky Aircraft S-58ET1H11

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Sikorsky Aircraft S-58DT and Sikorsky Aircraft S-58F, and 13 more aircraft configurations model, serial range, and configuration?
  2. 02Which mission equipment, structural provisions, and limitations are approved?
  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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