| CONTRACTOR | SPECIFICATION | PROCESS |
| APPROVALS: | ||
| SINO-SWEARINGEN | PS27 | Cleaning and Conversion Coating of Aluminum Alloys |
| SINO-SWEARINGEN | PS31 | Application of Epoxy Polyamide Primer |
| SINO-SWEARINGEN | PS34 | Dye Penetrant Inspection |
| SINO-SWEARINGEN | PS35 | Application of Fuel Tank Coating |
| SINO-SWEARINGEN | PS66 | Polyurethane Topcoats |
| NO APPROVAL REQUIRED: | ||
| SINO-SWEARINGEN | PS84 | Coating of Aircraft Exterior Surfaces |