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.
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
Related electrical systems STCs
Installation of an AC Generator system.
FAA holder: Advanced Technology & Research Inc
Installation of Concorde Battery RG 380E/40L.
FAA holder: Concorde Battery Corporation
Installation of a vortex generator kit.
FAA holder: Micro AeroDynamics Inc