STC SH1640SO
FAA DRS lists SH1640SO as Current · Reissued, held by Aviall, for Bell Helicopter Textron 412 and Bell Helicopter Textron 212. Recorded change: Installation of Utah Research & Develop. Co. Model 126 BC-101 airborne battery charger system. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of Utah Research & Develop. Co. Model 126 BC-101 airborne battery charger system.
SH1640SO 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: Bell Helicopter Textron 412 and Bell Helicopter Textron 212. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Bell Helicopter Textron 412 and Bell Helicopter Textron 212 model, serial range, and configuration?
- 02Which load analysis, wiring changes, protection, and limitations apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
Related electrical systems STCs
Installation of alternator replacement of belt-driven generator in accordance with National AirParts Document Number NAPI-3533, Initial Release, dated 12/29/96, or later FAA approved revisions.
FAA holder: National Air Parts Inc
Installation of Auxiliary Battery Kit in a Bell 206L-4 in accordance with Aeronautical Accessories Drawing List, Report No. AA-99115, dated 11-19-99 or later FAA approved revision.
FAA holder: Bell Helicopter Textron Inc.
The installation of the aircraft battery in the aft baggage compartment must be done in accordance with Lawson Aerospace LLC Installation Drawing List No. AA-09056, Rev. D, dated January 14, 2010.
FAA holder: Bell Helicopter Textron Inc.