Maintenance Airframe; Maintenance Powerplant
Communication Breakdown; Confusion; Situational Awareness
Conflict Ground Conflict; Critical; Deviation / Discrepancy - Procedural Published Material / Policy
Flight Crew Became Reoriented; Flight Crew Took Evasive Action
Human Factors; Procedure
We may have had a pilot mishap that needs to be addressed for our ongoing flight operation safety. I noticed the safety of our flight crew; passengers; and ramp personnel were jeopardized. After going through the push back procedure and disconnecting the tow bar; the pilots began to start #1 and put both engines into auto. The marshal stood in front of the plane waiting for the clear from the Captain to be relieved from the aircraft. Once the engines were in auto condition; I noticed both pilots were looking down and the aircraft began to move. The marshaller then noticed the danger and began to move out of the way of the aircraft. After a moment; the flight crew became aware of their movement and violently hit the brakes. My concern here is that there was evidence of rushing which led to not following procedure. From my view; it seemed that the flight crew were unaware of the aircrafts movement or there may have been miscommunication between pilot and marshaller. Regardless; the plane shouldn't have been moving until all ground crew are clear of the aircraft. I wanted to bring this to our attention so that this can be critiqued and corrected from happening again.
After pushback; a Mechanic reported the flight crew failed to set the parking brake and ended up stopping the aircraft abruptly after it began rolling.