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Engine and powerplant

STC SA522SW

FAA DRS lists SA522SW as Current · Amended, held by Alcor LLC, for Miscellaneous Miscellaneous. Recorded change: Installation of exhaust gas temperature (EGT), cylinder head temperature (CHT) components/ systems.\nAll aircraft equipped with reciprocating engines are elgible for the installation of the Alcor EGT and CHT component systems. Snapshot dated June 30, 2026.

FAA-listed holder
Aircraft configurations
1
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

Installation of exhaust gas temperature (EGT), cylinder head temperature (CHT) components/ systems.\nAll aircraft equipped with reciprocating engines are elgible for the installation of the Alcor EGT and CHT component systems.

SA522SW 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: Miscellaneous Miscellaneous. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Miscellaneous Miscellaneous model, serial range, and configuration?
  2. 02Which powerplant configuration, limits, instruments, and maintenance data 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?