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Engine and powerplant

STC SA4270SW

FAA DRS lists SA4270SW as Current · Reissued, held by Johnson Aviation Products, for Cessna Aircraft 411A, Cessna Aircraft 421, and Cessna Aircraft 421A, and 2 more aircraft configurations. Recorded change: Mount collision avoidance lights in engine nacelle. Snapshot dated June 30, 2026.

FAA-listed holder
Johnson Aviation Products
Aircraft configurations
5
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Mount collision avoidance lights in engine nacelle.

SA4270SW 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 411A, Cessna Aircraft 421, and Cessna Aircraft 421A, and 2 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Cessna Aircraft 411AA7CECessna Aircraft 421A7CECessna Aircraft 421AA7CECessna Aircraft 421BA7CECessna Aircraft 421CA7CE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Cessna Aircraft 411A and Cessna Aircraft 421, 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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