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Electrical systems

STC SH3744NM

FAA DRS lists SH3744NM as Current 路 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 September 1, 2026.

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FAA-listed holder
WSH, LLC
Aircraft configurations
8
FAA revision date
FAA status
Current 路 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.

Richards Heavylift Helo UH-1BH3SORotorcraft Development UH-1BH13WE
Red Tail Flying Services UH-1BR00012AT
WSH UH-1BH1RM
International Helicopters UH-1BH5SOSouthwest Florida Aviation International SW204 (UH-1B)H6SOSouthwest Florida Aviation International SW204HP (UH-1B)H6SOOverseas Aircraft Support UH-1BH7SO

Related electrical systems STCs

FAA record reference

STC number
SH3744NM
Product
Aircraft 路 Rotorcraft
Country
United States
Application date
April 13, 1987
Revision date
March 3, 2023
CFR references
Part 21