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Avionics

STC ST04370NY

FAA DRS lists ST04370NY as Current · Reissued, held by Delta Engineering Corporation, for Boeing 747-400 Series. Recorded change: Installation of Gogo 2KU - Structural and Electrical Provisions in accordance with STC Twenty One Limited Master Document List S21.MDL-1330, Issue 3 dated October 14, 2016 or later EASA approved revisions. Aircraft is to be maintained in accordance with STC Twenty One Limited Instructions for Continued Airworthiness, Doc. No. S21.TEC-0522, Issue 1, Appendix A, Section 3-Airworthiness Limitations dated October 14, 2016 or later EASA accepted revisions. STC Twenty One Limited Aircraft Flight Manual Supplement, Doc. No. S21.FMS-0134, Issue 1 dated October 14, 2016 or later EASA approved revisions. Snapshot dated June 30, 2026.

FAA-listed holder
Delta Engineering Corporation
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of Gogo 2KU - Structural and Electrical Provisions in accordance with STC Twenty One Limited Master Document List S21.MDL-1330, Issue 3 dated October 14, 2016 or later EASA approved revisions. Aircraft is to be maintained in accordance with STC Twenty One Limited Instructions for Continued Airworthiness, Doc. No. S21.TEC-0522, Issue 1, Appendix A, Section 3-Airworthiness Limitations dated October 14, 2016 or later EASA accepted revisions. STC Twenty One Limited Aircraft Flight Manual Supplement, Doc. No. S21.FMS-0134, Issue 1 dated October 14, 2016 or later EASA approved revisions.

ST04370NY 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: Boeing 747-400 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing 747-400 SeriesA20WE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing 747-400 Series 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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