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Other aircraft modifications

STC ST04321AT-D

FAA DRS lists ST04321AT-D as Current · Issued, held by Gulfstream Aerospace Corporation, for Gulfstream Aerospace LP G280. Recorded change: Installation of Viasat GAT-5510 Ka-Band High Speed Data (HSD) System. Snapshot dated June 30, 2026.

FAA-listed holder
Gulfstream Aerospace Corporation
Aircraft configurations
1
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Installation of Viasat GAT-5510 Ka-Band High Speed Data (HSD) System.

ST04321AT-D 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 G280. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Gulfstream Aerospace LP G280A61NM

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Gulfstream Aerospace LP G280 model, serial range, and configuration?
  2. 02Which configuration, parts, installation data, limitations, and ICAs 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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