| OEM | Specification | Process | Code |
|---|---|---|---|
| Approvals | |||
| Learjet | LES 1002 | Brazing of Silver & Copper | |
| Learjet | LES 1004 | Penetrant Inspection | |
| Learjet | LES 1014 | Welding, Fustion Ferrous Metals | |
| Learjet | LES 1015 | Welding, Fusion, Aluminum Alloys | |
| Learjet | LES 1033 | Electrical Bonding | |
| Learjet | LES 1039 | Sealing – Integral Fuel Tanks, Pressure Cabin & Firewall | |
| Learjet | LES 1047 | Chemical Film Treatment of Aluminum & Aluminum Alloys | |
| Learjet | LES 1079 | Application Of Fuel Reistant & Corrosion Protection Finish | |
| Paint and Organic Coating Specifications - No Approval Required | |||
| Learjet | LES 1052 | Organic Resin Finishing | |
| Learjet | LES 1088 | Pretreatment Primer | |
| Learjet | LES 1091 | Application Of Epoxy Primer | |
| Learjet | LES 1103 | Application of Flat Interior Topcoat | |
| Learjet | LES 1288 | Exterior Finishing of Conversion Coated Aircraft | |
| Learjet | LES 1362 | Application of Flat Interior Topcoat | |
| Other Processes - No Approval Required | |||
| Learjet | LES 1043 | Chemical Cleaning Of Metals | |