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Engine and powerplant

STC SA5167NM

FAA DRS lists SA5167NM as Current · Reissued, held by D'Shannon Products Ltd., for Cessna Aircraft 414A and Cessna Aircraft 421B. Recorded change: Installation of vortex generators on the wings and vertical stabilizer and strakes on outboard side of engine nacelles. Snapshot dated June 30, 2026.

FAA-listed holder
D'Shannon Products Ltd.
Aircraft configurations
2
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of vortex generators on the wings and vertical stabilizer and strakes on outboard side of engine nacelles.

SA5167NM 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 and Cessna Aircraft 421B. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Cessna Aircraft 414AA7CECessna Aircraft 421BA7CE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Cessna Aircraft 414A and Cessna Aircraft 421B 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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