Flight Crew Air Transport Pilot (ATP); Flight Crew Multiengine; Flight Crew Instrument
Communication Breakdown; Time Pressure
Deviation / Discrepancy - Procedural FAR; Deviation / Discrepancy - Procedural Hazardous Material Violation; Deviation / Discrepancy - Procedural Published Material / Policy
Flight Crew Overcame Equipment Problem
Human Factors; Procedure
Just prior to departure; we were informed that ground personnel had loaded two aircraft batteries in the proper containers. Captain was given the HAZMAT form; which he endorsed; then push back to fly the leg. After airborne; the Captain realized that there was a required dispatch amendment; so he immediately notified Dispatch to get the proper amendment. The flight continued to destination without any further issue related to this COMAT.
Air Carrier Captain reported flight release missing required HazMat amendment during cruise.