Skip to content
Engine and powerplant

STC SA4903NM

FAA DRS lists SA4903NM as Current · Reissued, held by CheckSix AeroSolutions, LLC, for Textron Aviation P35. Recorded change: Installation of Continental TSIO-520-D engine and McCauley 3A32C76-S- M/82NM-2 propeller,derated to 260 hp and 2625 rpm. Snapshot dated June 30, 2026.

FAA-listed holder
CheckSix AeroSolutions, LLC
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of Continental TSIO-520-D engine and McCauley 3A32C76-S- M/82NM-2 propeller,derated to 260 hp and 2625 rpm.

SA4903NM 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: Textron Aviation P35. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Textron Aviation P353A15

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Textron Aviation P35 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?

Related engine and powerplant STCs