Originally Posted by
alphasierra01
Forgive my ignorance to airline SOP (I'm 135) but I only know what the acronym for ACARS stands for. I'm assuming it a wt & balance computer program used by airlines?
It's an air/ground communication system. Wt & balance numbers are just one example of the data which can be sent to the aircraft. Other examples are weather warnings, reroutes, etc. Crews can request information from the dispatcher or report passenger problems, and block times are automatically sent in.
SKYbrary - Aircraft Communications, Addressing and Reporting System