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Engine and powerplant

STC SE09979SC

FAA DRS lists SE09979SC as Current · Reissued, held by General Aviation Modifications, Inc., for Continental Motors IO-520-A, Continental Motors IO-520-B, and Continental Motors IO-520-BA, and 14 more aircraft configurations. Recorded change: Modification of Teledyne Continental Motors IO-520-B, IO-520-BA, or IO-520-BB engine to an Ultimate Engines IO-550-B/UE engine. Snapshot dated June 30, 2026.

FAA-listed holder
General Aviation Modifications, Inc.
Aircraft configurations
17
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Modification of Teledyne Continental Motors IO-520-B, IO-520-BA, or IO-520-BB engine to an Ultimate Engines IO-550-B/UE engine.

SE09979SC 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: Continental Motors IO-520-A, Continental Motors IO-520-B, and Continental Motors IO-520-BA, and 14 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Continental Motors IO-520-AE5CEContinental Motors IO-520-BE5CEContinental Motors IO-520-BAE5CEContinental Motors IO-520-BBE5CEContinental Motors IO-520-CE5CEContinental Motors IO-520-CBE5CEContinental Motors IO-520-DE5CEContinental Motors IO-520-EE5CEContinental Motors IO-520-FE5CEContinental Motors IO-520-JE5CEContinental Motors IO-520-KE5CEContinental Motors IO-520-LE5CEContinental Motors IO-520-ME5CE
Continental Motors IO-520-MBE5CE
Continental Motors IO-520-NE5CE
Continental Motors IO-520-NBE5CE
Continental Motors IO-520-PE5CE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Continental Motors IO-520-A and Continental Motors IO-520-B, and 15 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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