• PPS 37.03 Fusion Welding of Aluminum Alloys
  • PPS 37.04 Fusion Welding of Ferrous and Nickel Alloys
  • PPS 37.06 Testing and Certification of Aircraft Welders
  • PPS 37.09 Special Welding Procedure
  • PPS 37.10 Requirements for Fusion Welds
  • VAPS 172-034 Fusion Welding 
  • VPS 37.03 Fusion Welding of Aluminum Alloys using the MIG or TIG Method
  • VPS 37.04 Fusion Welding of Ferrous and Nickel Alloys
  • VPS 37.06 Testing and Certification of Aircraft Welders
  • VPS 37.09 Special Welding Procedure
  • VPS 37.10 Requirements for Fusion Welds
  • WI-015-124 Welding of Aluminum Alloys
  • WI-015-161 Operation of Weld Preheat Furnace
  • WI-015-236 Testing and Qualification of Aerospace Welders