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Engine and powerplant

STC SA490SW

FAA DRS lists SA490SW as Current · Reissued, held by Alcor Aviation LLC, for Helio Aircraft H-395 (USAF L-28A or U-10B). Recorded change: Installation of ALCOR turbocharger. Snapshot dated June 30, 2026.

FAA-listed holder
Alcor Aviation LLC
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of ALCOR turbocharger.

SA490SW 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: Helio Aircraft H-395 (USAF L-28A or U-10B). Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Helio Aircraft H-395 (USAF L-28A or U-10B)1A8

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Helio Aircraft H-395 (USAF L-28A or U-10B) 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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