STC SH4570NM

Supplemental type certificate · Air One Helicopters, Inc

Holder
Air One Helicopters, Inc · United States
Status
Current · Issued
Status date
November 29, 1989
Product
Aircraft · Rotorcraft
Certification basis
Part 21
Data sheet
TCDS1H11

From FAA DRS. DRS record last changed December 6, 2025.

What it approves

Approval for takeoffs and landings up to and including 12,000 feet density altitude is authorized.

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 · 6

MakeModelData sheet
Sikorsky Aircraft CorporationS-58BT1H11
Sikorsky Aircraft CorporationS-58DT1H11
Sikorsky Aircraft CorporationS-58ET1H11
Sikorsky Aircraft CorporationS-58FT1H11
Sikorsky Aircraft CorporationS-58HT1H11
Sikorsky Aircraft CorporationS-58JT1H11