Large Transport
Dispatch Dispatcher
Deviation / Discrepancy - Procedural Published Material / Policy; Deviation / Discrepancy - Procedural Weight And Balance
Flight Crew Rejected Takeoff
Company Policy; Human Factors; Procedure
Flight was sent the following message shortly after they powered up and started their takeoff roll. Causing an aborted takeoff. Passengers heard and felt the engines go to takeoff power and then having the power pulled back. RADIO CLOSEOUT DELETED FOR FLIGHT XXXX YOUR FLIGHT HAS RECEIVED THE ACARS MESSAGE BELOW DUE TO A PAYLOAD CHANGE REQUIRING A NEW CLOSEOUT OR A RETURN TO GATE. FOR QUESTIONS CONTACT CENTRAL LOAD PLANNING AGENT ASSIGNED TO FLIGHT. YOUR FINAL W/B HAS BEEN DELETED AND IS IN THE PROCESS OF BEING UPDATED. DO NOT TAKE OFF UNTIL YOU OBTAIN A NEW FINAL W/B. PLZ ACKNOWLEDGE. END.               ACARS messages going to aircraft during critical phases of flight that cause major distractions. Restrict these messages. It was sent 13 minutes after flight blocked out.
Aircraft Dispatcher describes a rejected takeoff caused by an ACARS message voiding the weight and balance closeout and received as the thrust levers are being advanced for takeoff.