CHAD is compiled and published by RAAF AIS and is a supplement to the CAT. CHAD contains the following:

• A listing of all new charts.
• A listing of all new editions.
• A cumulative listing of amendments to current editions of RAAF aeronautical charts within the Pacific and Australasia region.

NOTE: Amendments to global aeronautical charts are available via
NGA Electronic Chart Updating Manual ECHUM . Contact RAAF AIS to obtain ECHUM

CAUTION: Amendment information to RAAF charts contained in ECHUM may be non-current.

CHAD production cycle dates are outlined in the Production Schedule.