Aircraft Communications Addressing and Reporting System (ACARS) 1979; Includes Supplement 1 Through 9; Legacy - Not for use in new development but may apply to avionics in use
ARINC 724-9-1998 history
1998ARINC 724-9-1998 Aircraft Communications Addressing and Reporting System (ACARS) 1979; Includes Supplement 1-9