Skip to content
Cabin and interiors

STC SH4057NM

FAA DRS lists SH4057NM as Current · Reissued, held by Air Comm Corporation, for Sikorsky Aircraft S-76A, Sikorsky Aircraft S-76B, and Sikorsky Aircraft S-76C. Recorded change: Installation of bleed air cabin heater and windshield defrost system. Snapshot dated June 30, 2026.

FAA-listed holder
Air Comm Corporation
Aircraft configurations
3
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

SH4057NM identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.

Applicability

Aircraft named in FAA DRS

Named aircraft: Sikorsky Aircraft S-76A, Sikorsky Aircraft S-76B, and Sikorsky Aircraft S-76C. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Sikorsky Aircraft S-76AH1NESikorsky Aircraft S-76BH1NESikorsky Aircraft S-76CH1NE

Buyer checks

Confirm before sourcing

Related cabin and interiors STCs