STC SH422NW

Supplemental type certificate · Columbia Helicopters

Holder
Columbia Helicopters · United States
Status
Current · Issued
Status date
March 14, 1977
Product
Aircraft · Rotorcraft
Certification basis
Part 21
Data sheet
TCDS1H16

From FAA DRS. DRS record last changed December 5, 2025.

What it approves

Installation of electrical sensors on each main rotor blade to monitor blade integrity in flight.

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
Boeing Defense & Space Group107-II1H16