STC SH5780NM

Supplemental type certificate · Onboard Systems International

Holder
Onboard Systems International · United States
Status
Current · Reissued
Status date
October 7, 2021
Applied
September 9, 1992
Product
Aircraft · Rotorcraft
Certification basis
Part 21
Data sheet
TCDS1H11

From FAA DRS, with our copy of the certificate PDF. DRS record last changed December 5, 2025.

What it approves

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

What the certificate says

From the PDF’s text layer, without the form’s printed wording. Layout and order may differ; the PDF is the record.

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 1 of ___

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 2 of ___

ADs that name this STC · 0

An AD can apply because an STC is installed, or mention one in its text.

No AD in this release names this STC

Approved models · 15

MakeModelData sheet
Sikorsky Aircraft CorporationS-58A1H11
Sikorsky Aircraft CorporationS-58B1H11
Sikorsky Aircraft CorporationS-58BT1H11
Sikorsky Aircraft CorporationS-58C1H11
Sikorsky Aircraft CorporationS-58D1H11
Sikorsky Aircraft CorporationS-58DT1H11
Sikorsky Aircraft CorporationS-58E1H11
Sikorsky Aircraft CorporationS-58ET1H11
Sikorsky Aircraft CorporationS-58F1H11
Sikorsky Aircraft CorporationS-58FT1H11
Sikorsky Aircraft CorporationS-58G1H11
Sikorsky Aircraft CorporationS-58H1H11
Sikorsky Aircraft CorporationS-58HT1H11
Sikorsky Aircraft CorporationS-58J1H11
Sikorsky Aircraft CorporationS-58JT1H11

Every issue · 2

DRS keeps each issue of an STC as its own record, with its own certificate and attachments.

DateStatusFiles
October 7, 2021Reissued, currentCertificateApproved model list
October 13, 1992Issued, earlier issueCertificateApproved model list