STC ST01027DE
FAA DRS lists ST01027DE as Current · Issued, held by MarathonNorco Aerospace Inc, for Textron Aviation 500, Textron Aviation 550, and Textron Aviation 560, and 6 more aircraft configurations. Recorded change: Installation of MarathonNorco Aerospace Inc Nickel Cadmium battery in place of existing Nickel Cadmium main aircraft battery/batteries. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of MarathonNorco Aerospace Inc Nickel Cadmium battery in place of existing Nickel Cadmium main aircraft battery/batteries.
ST01027DE 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: Textron Aviation 500, Textron Aviation 550, and Textron Aviation 560, and 6 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Textron Aviation 500 and Textron Aviation 550, and 7 more aircraft configurations 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?
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