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Engine and powerplant

STC SE03701AT

FAA DRS lists SE03701AT as Current · Issued, held by John Jewell Aircraft Inc, for Teledyne Continental Motors IO-470-U. Recorded change: Increase the main jet size of TCM MA4-5 carburetors of TCM O-470-U engines, to increase engine power from 230 BHP at 2400 RPM to 252 BHP at 2625 RPM. Snapshot dated June 30, 2026.

FAA-listed holder
John Jewell Aircraft Inc
Aircraft configurations
1
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Increase the main jet size of TCM MA4-5 carburetors of TCM O-470-U engines, to increase engine power from 230 BHP at 2400 RPM to 252 BHP at 2625 RPM.

SE03701AT 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 IO-470-U. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Teledyne Continental Motors IO-470-U3E1

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Teledyne Continental Motors IO-470-U 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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