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Avionics

STC ST03256AT-D

FAA DRS lists ST03256AT-D as Current · Amended, held by Gulfstream Aerospace Corporation, for Gulfstream Aerospace G-IV. Recorded change: Installation of Enhanced Surveillance Flight Identification System with Collins Radio Tuning Unit (RTU) 4220. Snapshot dated June 30, 2026.

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

Recorded modification

What the FAA record covers

Installation of Enhanced Surveillance Flight Identification System with Collins Radio Tuning Unit (RTU) 4220.

ST03256AT-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 G-IV. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Gulfstream Aerospace G-IVA12EA

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Gulfstream Aerospace G-IV model, serial range, and configuration?
  2. 02Which part numbers, software versions, interfaces, and manual changes 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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