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Engine and powerplant

STC SA4546SW-D

FAA DRS lists SA4546SW-D as Current · Reissued, held by RAM Aircraft Limited Partnership, for Cessna Aircraft 414A. Recorded change: Installation of Teledyne Continental TSIO-520-NB engine modified per STC SE4327SW and Hartzell PHC-C3YF-2UF/FC7663D-2Q or PHC-C3YF-2UF/FC7663DB-2Q propellers or McCauley3AF32C93/82NC-5.5 to -7.0 or 3AP32C505/82NEA-5.5 to - 7.0 propellers and an increased Maximum Takeoff Weight to 6900 pounds. Snapshot dated June 30, 2026.

FAA-listed holder
RAM Aircraft Limited Partnership
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of Teledyne Continental TSIO-520-NB engine modified per STC SE4327SW and Hartzell PHC-C3YF-2UF/FC7663D-2Q or PHC-C3YF-2UF/FC7663DB-2Q propellers or McCauley3AF32C93/82NC-5.5 to -7.0 or 3AP32C505/82NEA-5.5 to - 7.0 propellers and an increased Maximum Takeoff Weight to 6900 pounds.

SA4546SW-D 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: Cessna Aircraft 414A. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Cessna Aircraft 414AA7CE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Cessna Aircraft 414A 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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