STC SH4539NM

Supplemental type certificate · Air One Helicopters, Inc

Holder
Air One Helicopters, Inc · United States
Status
Current · Amended
Status date
May 26, 1989
Product
Aircraft · Rotorcraft
Certification basis
Part 21
Data sheet
TCDS1H11

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

What it approves

Establish a nine passenger seat configuration.

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