STC ST259CH
FAA DRS lists ST259CH as Current · Reissued, held by Canard Aerospace Corporation, for Mitsubishi Heavy Industries YS-11A-600. Recorded change: Installation of a BFGoodrich Aerospace, Jet Electronics and Technology, AI-330P standby attitude indicator and PS-855B power supply. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of a BFGoodrich Aerospace, Jet Electronics and Technology, AI-330P standby attitude indicator and PS-855B power supply.
ST259CH 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: Mitsubishi Heavy Industries YS-11A-600. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Mitsubishi Heavy Industries YS-11A-600 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 mechanical and electrical sensors for a Digital Flight Data Recorder Expanded Parameter Recording.
FAA holder: Aircraft Systems & Mfg
Installation of an accelerometer in electrical compartment to interface with a modified ACARS Management Unit to provide an indication of initial aircraft movement.
FAA holder: Delta Airlines Inc
Installation of battery temperature warning system.
FAA holder: Mitsubishi Heavy Industries America Inc.
Installation of battery temperature warning system.
FAA holder: Mitsubishi Heavy Industries America Inc.