STC SA7493SW
FAA DRS lists SA7493SW as Current · Reissued, held by Rare Aircraft Ltd, for Boeing Airplane Wichita Division A75N1 (Army PT-17; -17A; Navy N2S-1; -4), Boeing Airplane Wichita Division B75N1 (Navy N2S-3), and Boeing Airplane Wichita Division D75N1 (Army PT-27). Recorded change: Install Jasco P/N 6555-1 alternator and 12 volt electrical system. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Install Jasco P/N 6555-1 alternator and 12 volt electrical system.
SA7493SW 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: Boeing Airplane Wichita Division A75N1 (Army PT-17; -17A; Navy N2S-1; -4), Boeing Airplane Wichita Division B75N1 (Navy N2S-3), and Boeing Airplane Wichita Division D75N1 (Army PT-27). Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Boeing Airplane Wichita Division A75N1 (Army PT-17; -17A; Navy N2S-1; -4) and Boeing Airplane Wichita Division B75N1 (Navy N2S-3), and 1 more aircraft configuration 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
This STC approves the Finnoff Aviation Products installation of the TB44 advanced lithium-ion battery manufactured by True Blue Power in the make and model listed above (Single Battery Configuration).
FAA holder: Finnoff Aviation Products
Replace the nickel-cadmium battery with Concorde RG-380E lead acid battery.
FAA holder: Aero-Mach Wilco LLC
Modify the battery box and replace the nickel-cadmium battery with a Concorde CB24-380E lead acid battery.
FAA holder: Aero-Mach Wilco LLC
Modify the battery compartment and replace the nickel cadmium batteries with Concorde RG 380E lead acid batteries.
FAA holder: Aero-Mach Wilco LLC