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Engine and powerplant

STC SA174CE

FAA DRS lists SA174CE as Current · Reissued, held by Ontic Engineering and Manufacturing Inc., for Raytheon Aircraft C-45G, Raytheon Aircraft D18S, and Raytheon Aircraft E18S-9700, and 2 more aircraft configurations. Recorded change: Twin-engine electronic sychronizer for aircraft equipped with Hartzell propellers. Snapshot dated June 30, 2026.

FAA-listed holder
Ontic Engineering and Manufacturing Inc.
Aircraft configurations
5
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Twin-engine electronic sychronizer for aircraft equipped with Hartzell propellers.

SA174CE 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: Raytheon Aircraft C-45G, Raytheon Aircraft D18S, and Raytheon Aircraft E18S-9700, and 2 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Raytheon Aircraft C-45GA-765Raytheon Aircraft D18SA-765Raytheon Aircraft E18S-9700A-765Raytheon Aircraft G18SA-765Raytheon Aircraft H18A-765

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Raytheon Aircraft C-45G and Raytheon Aircraft D18S, and 3 more aircraft configurations 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?

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