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Other aircraft modifications

STC SE4327SW-D

FAA DRS lists SE4327SW-D as Current · Reissued, held by RAM Aircraft Limited Partnership, for Teledyne Continental Motors TSIO-520-NB. Recorded change: Increase all operations power rating to 325 horse power (HP) at 40 inches of manifold pressure (MP) and 2700 RPM. 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

Increase all operations power rating to 325 horse power (HP) at 40 inches of manifold pressure (MP) and 2700 RPM.

SE4327SW-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: Teledyne Continental Motors TSIO-520-NB. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Teledyne Continental Motors TSIO-520-NBE8CE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Teledyne Continental Motors TSIO-520-NB model, serial range, and configuration?
  2. 02Which configuration, parts, installation data, limitations, and ICAs 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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