| Specification | ProcessDescription | Category | SpecLimits |
| 2ZZP00013 | Fusion Welding | Welding | Limits: GTAW |
| ACS-PRS-2151 | Process Specification for Sealing, Integral Fuel Tank and Fuel Cell Cavity | Finishes/Coatings | Limits: Limited to premixed frozen sealant or pre-measured sealant dispensing cartridges (Semkits) |
| AWS D17.1 | Fusion Welding for Aerospace Applications | Welding | Limits: GTAW |