FAA-listed STC holder
Acorn Welding Ltd. STCs
The Jun 30, 2026 FAA DRS snapshot lists 6 selected supplemental type certificates with status Current under Acorn Welding Ltd.. The records span 42 public aircraft directories and 4 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.
6
listed Current at snapshot
42
aircraft directories
4
modification categories
Feb 18, 2026
latest recorded revision
Modification mix
Aircraft structures2
Engine and powerplant2
Aircraft performance1
Other aircraft modifications1
Aircraft represented
Cessna Aircraft 182G150 STCsCessna Aircraft 182K149 STCsCessna Aircraft 182H148 STCsCessna Aircraft 182J148 STCsCessna Aircraft 182P148 STCsCessna Aircraft 182L146 STCsCessna Aircraft 182M144 STCsCessna Aircraft 182Q144 STCsCessna Aircraft 182N138 STCsCessna Aircraft 182R112 STCsCessna Aircraft 180G105 STCsCessna Aircraft 180H101 STCsCessna Aircraft 180J99 STCsCessna Aircraft 180K92 STCsViking Air DHC-6-30091 STCsViking Air DHC-6-20080 STCsViking Air DHC-6-10077 STCsCessna Aircraft 182S61 STCsTextron Aviation 182P52 STCsTextron Aviation 182Q52 STCs
Recently revised records
Showing the 6 most recently revised records. Category directories provide the complete paginated discovery path.
SA04587NYEngine and powerplant
Installation of Acorn Welding C6SC1107-NG Exhaust stacks.
FAA holder: Acorn Welding Ltd.
SA02854NYAircraft performance
Gross weight increase for use with floats to be accomplished.
FAA holder: Acorn Welding Ltd.
SA00780NYOther aircraft modifications
The installation, removal, and maintenance of Acorn Welding s Heat Exchanger/Muffler (P/N: C1851D, C1851D-1, or C1851D-3).
FAA holder: Acorn Welding Ltd.
SA01580NYAircraft structures
Replace existing front fuselage strut assemblies with Amtech Aeronautical Ltd strut assembly - front fuselage 302811-1 (LHS) and 302811-2 (RHS).
FAA holder: Acorn Welding Ltd.