B737-800
Flight Crew Multiengine; Flight Crew Instrument; Flight Crew Air Transport Pilot (ATP)
Flight Crew Last 90 Days 150; Flight Crew Type 150
Deviation / Discrepancy - Procedural Hazardous Material Violation; Deviation / Discrepancy - Procedural Published Material / Policy
Flight Crew Overcame Equipment Problem; General Maintenance Action
Human Factors
Ten minutes into the flight; we received an ACARS message. It stated that oxygen cylinders were on-board. We did not receive a Dangerous Goods Form on the ground. Once we landed in ZZZ1; we reached out to Dispatch and received a copy of the Dangerous Goods form. I signed it; and it was faxed back to ZZZ.
Approximately ten minutes into our climb out from ZZZ; we received a message from Dispatch telling us we had four oxygen bottles in the cargo area. We did not receive a Dangerous Goods Form from the Ramp prior to our departure. We continued on to our destination. In ZZZ1 we were given the proper paperwork. Captain signed it; and paperwork was sent; via fax; to ZZZ.
B737-800 flight crew reported in flight notification of Hazmat cargo onboard without proper flight crew documentation. Required Hazmat documents completed upon arrival at destination.