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Other aircraft modifications

STC ST491CH

FAA DRS lists ST491CH as Current · Amended, held by ElectroSonics, for Dassault-Aviation Mystere-Falcon 20-F5, Dassault-Aviation Fan Jet Falcon Series G, and Dassault-Aviation Mystere-Falcon 200, and 10 more aircraft configurations. Recorded change: Installation of an AlliedSignal CAS-66A Traffic Alert and Collision Avoidance System (TCAS I). Snapshot dated June 30, 2026.

FAA-listed holder
ElectroSonics
Aircraft configurations
13
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

Installation of an AlliedSignal CAS-66A Traffic Alert and Collision Avoidance System (TCAS I).

ST491CH 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: Dassault-Aviation Mystere-Falcon 20-F5, Dassault-Aviation Fan Jet Falcon Series G, and Dassault-Aviation Mystere-Falcon 200, and 10 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Dassault-Aviation Mystere-Falcon 20-F5A7EUDassault-Aviation Fan Jet Falcon Series GA7EUDassault-Aviation Mystere-Falcon 200A7EUDassault-Aviation Mystere-Falcon 20-C5A7EUDassault-Aviation Mystere-Falcon 20-E5A7EUDassault-Aviation Fan Jet Falcon Series DA7EUDassault-Aviation Mystere-Falcon 20 SeriesA7EUDassault-Aviation Mystere-Falcon 20-D5A7EUDassault-Aviation Fan Jet Falcon Series CA7EUDassault-Aviation Fan Jet FalconA7EUDassault-Aviation Fan Jet Falcon SeriesA7EUDassault-Aviation Fan Jet Falcon Series EA7EUDassault-Aviation Fan Jet Falcon Series FA7EU

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Dassault-Aviation Mystere-Falcon 20-F5 and Dassault-Aviation Fan Jet Falcon Series G, and 11 more aircraft configurations model, serial range, and configuration?
  2. 02Which configuration, parts, installation data, limitations, and ICAs apply?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?

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