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Electrical systems

STC SH3744NM

FAA DRS lists SH3744NM as Current · Amended, held by WSH LLC, for Richards Heavylift Helo UH-1B, Rotorcraft Development UH-1B, and Red Tail Flying Services UH-1B, and 5 more aircraft configurations. Recorded change: Dual Battery Installation. Snapshot dated June 30, 2026.

FAA-listed holder
Aircraft configurations
8
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

SH3744NM 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: Richards Heavylift Helo UH-1B, Rotorcraft Development UH-1B, and Red Tail Flying Services UH-1B, and 5 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing