FAA-listed STC holder
Aircraft Modification Design Services STCs
The Jun 30, 2026 FAA DRS snapshot lists 10 selected supplemental type certificates with status Current under Aircraft Modification Design Services. The records span 5 public aircraft directories and 2 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.
10
listed Current at snapshot
5
aircraft directories
2
modification categories
Dec 1, 2009
latest recorded revision
Modification mix
Recently revised records
Showing the 10 most recently revised records. Category directories provide the complete paginated discovery path.
Increase in aircraft operating weights.
FAA holder: Aircraft Modification Design Services
Increase in aircraft operating weights as substantiated by the design data. (DC-8F-54 S/Ns 45802, 45886, 46012 only)).
FAA holder: Aircraft Modification Design Services
Increase in aircraft operating weights(maximum landing weight - 240,000 lbs., maximum zero fuel weight - 224,000 lbs.) (DC-8F-54 S/N 45637).
FAA holder: Aircraft Modification Design Services
ONE ONLY STC, SN 45685: Increase in aircraft operating weights.
FAA holder: Aircraft Modification Design Services
Increase in aircraft operating weights (Maximum landing weight to 265000 lbs and maximum zero fuel weight to 241500 lbs).
FAA holder: Aircraft Modification Design Services