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Engine and powerplant

STC ST03570AT

FAA DRS lists ST03570AT as Current · Issued, held by Gulfstream Aerospace Corporation, for Gulfstream Aerospace LP Galaxy and Gulfstream Aerospace LP Gulfstream 200. Recorded change: Installation of an Auxiliary Power Unit (APU) Surge Control Valve Exhaust Modification. Snapshot dated June 30, 2026.

FAA-listed holder
Gulfstream Aerospace Corporation
Aircraft configurations
2
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Installation of an Auxiliary Power Unit (APU) Surge Control Valve Exhaust Modification.

ST03570AT 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: Gulfstream Aerospace LP Galaxy and Gulfstream Aerospace LP Gulfstream 200. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Gulfstream Aerospace LP GalaxyA53NMGulfstream Aerospace LP Gulfstream 200A53NM

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Gulfstream Aerospace LP Galaxy and Gulfstream Aerospace LP Gulfstream 200 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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