STC SH449NW

Supplemental type certificate · Measurement Systems Intl

Holder
Measurement Systems Intl · United States
Status
Current · Amended
Status date
December 4, 1980
Applied
April 11, 1977
Product
Aircraft · Rotorcraft
Certification basis
Part 21
Data sheet
TCDS1H4

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

What it approves

Installation of an electronic weighing system (for monitoring cargo weight)

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.

This certificate is a scan without a text layerOpen the PDF to read it.

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 · 1

MakeModelData sheet
Sikorsky Aircraft CorporationS-551H4