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FAA-listed STC holder

Delta Engineering Corporation STCs

The Jun 30, 2026 FAA DRS snapshot lists 262 selected supplemental type certificates with status Current under Delta Engineering Corporation. The records span 344 public aircraft directories and 7 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.

262
listed Current at snapshot
344
aircraft directories
7
modification categories
May 21, 2026
latest recorded revision

Modification mix

Other aircraft modifications70
Cabin and interiors67
Avionics65
Aircraft connectivity54
Electrical systems3
Safety and emergency equipment2
Aircraft performance1

Aircraft represented

Boeing 737-700 Series712 STCsBoeing 737-800 Series675 STCsBoeing 767-300 Series596 STCsBoeing 747-400 Series518 STCsBombardier CL-600-2B16 (CL-604)515 STCsBoeing 757-200 Series510 STCsBoeing 727-200 Series450 STCsBombardier CL-600-2B16 (CL-601-3A)422 STCsBombardier CL-600-2B16 (CL-601-3R)411 STCsBoeing 737-400 Series411 STCsBombardier BD-700-1A10397 STCsBoeing 767-200 Series357 STCsBombardier CL-600-1A11 (CL-600)351 STCsBoeing 747-200B Series341 STCsGulfstream Aerospace G-IV332 STCsBoeing 777-200 Series325 STCsBoeing 737-900 Series292 STCsBoeing 727-100 Series262 STCsBoeing 737-600 Series255 STCsGulfstream Aerospace GIV-X238 STCs

Recently revised records

Showing the 100 most recently revised records. Category directories provide the complete paginated discovery path.

ST04370NYAvionics

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.

FAA holder: Delta Engineering Corporation

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