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Avionics

STC SA4421NM

FAA DRS lists SA4421NM as Current · Reissued, held by GE Engine Services-Corporate Aviation Inc. DBA Garrett Aviation Services, for Gulfstream Aerospace G-1159A. Recorded change: Installation of single or dual Global GNS-500A VLF/Omega navigation system and optional Global NDB-2 navigation data bank. Snapshot dated June 30, 2026.

FAA-listed holder
GE Engine Services-Corporate Aviation Inc. DBA Garrett Aviation Services
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of single or dual Global GNS-500A VLF/Omega navigation system and optional Global NDB-2 navigation data bank.

SA4421NM 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-1159A. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Gulfstream Aerospace G-1159AA12EA

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Gulfstream Aerospace G-1159A 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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