STC SA3972NM
FAA DRS lists SA3972NM as Current · Reissued, held by Gulfstream-California Inc., for Bell Helicopter Textron 212. Recorded change: Installation of Three Marathon Power Technologies Flite-Tronics 250 VA Static Inverter model number PC-251-1D. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of Three Marathon Power Technologies Flite-Tronics 250 VA Static Inverter model number PC-251-1D.
SA3972NM 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 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 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 a Motorola model 12N55 alternator and Model R2-2 voltage regulator, Stewart Warner Model 240-D-12 priming pump (electric) and an EDO Float (hull) booster (scallop).
FAA holder: Kenmore Air Harbor LLC
Installation of the Advance Lithium Ion Battery to replace the Ni-Cad Battery.
FAA holder: Vertical Flight Solutions Inc
Installation of non-essential radome and component provisions, antennas, associated wiring and mounting provisions, and associated non-essential mission system components.
FAA holder: Sierra Nevada Corporation/Integrated Mission Systems
Installation of MarathonNorco Aerospace Inc Nickel Cadmium battery.
FAA holder: MarathonNorco Aerospace Inc