AMS 3970/3 specifies the batch release and delivery requirements for carbon fiber fabric epoxy prepreg used for repair. This specification relates to qualified carbon fiber fabric epoxy prepreg listed in the associated QPL.
SAE AMS3970/3-1999 history
2016SAE AMS3970/3A-2016 Carbon Fiber Fabric Repair Prepreg, 120 °C (250 °F) Vacuum Curing Part 3 - Purchasing Specification for Carbon Prepreg
2011SAE AMS3970/3A-2011 Carbon Fiber Fabric Repair Prepreg, 120°C (250°F) Vacuum Curing Part 3 - Purchasing Specification for Carbon Prepreg