Noun
ACARS (uncountable)
(aviation) aircraft communications addressing and reporting system
Policastro subsequently made attempts to contact the aircraft's cockpit using the Aircraft Communication Addressing and Reporting System (ACARS) message system. Source: Internet
With the attacks unfolding, air traffic officials began issuing warnings through the Aircraft Communication Addressing and Reporting System (ACARS). Source: Internet
At 01:37 the next ACARS transmission was due, but never sent. Source: Internet