9 Standard SAR Position report for airborne 1 SOTDMA, SOTDMA M aircraft position stations involved in SAR RATDMA, ITDMA report operations, only ITDMA(1) 10 UTC/date Request UTC and date 3 RATDMA, N/A M/B inquiry FATDMA, ITDMA(2) 11 UTC/date Current UTC and date if 3 RATDMA, SOTDMA M response available ITDMA(2) 12 Addressed Safety related data for 2 RATDMA(10), N/A M/B safety related addressed communication FATDMA, message ITDMA(2) 13 Safety related Acknowledgement of 1 RATDMA, N/A M/B received addressed safety FATDMA, related message 14 Safety related Safety related data for 2 RATDMA(10), N/A M/B broadcast broadcast communication FATDMA, message 15 Interrogation Request for a specific 3 RATDMA, N/A M/B message type (can result in FATDMA, multiple responses from one ITDMA(2) or several stations)(4) 16 Assignment Assignment of a specific 1 RATDMA, N/A B mode command report behaviour by FATDMA(2) competent authority using a Base station TABLE 46 (end) Message Name Description Priority Access scheme M/B ID state 17 broadcast DGNSS corrections provided 2 FATDMA(3), N/A B binary message by a base station RATDMA(2) 18 Standard Standard position report for 1 SOTDMA, SOTDMA, M Class B Class B shipborne mobile ITDMA(1), ITDMA equipment equipment to be used instead CSTDMA position report of Messages 1, 2, 3(8) 19 Extended No longer required; 1 ITDMA N/A M Class B Extended position report for equipment Class B shipborne mobile position report equipment; contains additional static information(8) 20 Data link Reserve for Base 1 FATDMA(3), N/A B management station(s) RATDMA message 21 Position and status report for 1 FATDMA(3), N/A M/B aids-to-navigation RATDMA(2) report 22 Channel Management of channels and 1 FATDMA(3), N/A B management(6) transceiver modes by a Base RATDMA(2) station
9 Standard SAR aircraft position report Position report for airborne stations involved in SAR operations, only 1 SOTDMA, RATDMA, ITDMA(1) SOTDMA ITDMA M 10 UTC/date inquiry Request UTC and date 3 RATDMA, FATDMA, ITDMA(2) N/A M/B 11 UTC/date response Current UTC and date if available 3 RATDMA, ITDMA(2) SOTDMA M 12 Addressed safety related message Safety related data for addressed communication 2 RATDMA(10), FATDMA, ITDMA(2) N/A M/B 13 Safety related Acknowledgement of received addressed safety related message 1 RATDMA, FATDMA, N/A M/B 14 Safety related broadcast message Safety related data for broadcast communication 2 RATDMA(10), FATDMA, N/A M/B 15 Interrogation Request for a specific message type (can result in multiple responses from one or several stations)(4) 3 RATDMA, FATDMA, ITDMA(2) N/A M/B 16 Assignment mode command Assignment of a specific report behaviour by competent authority using a Base station 1 RATDMA, FATDMA(2) N/A B TABLE 46 (end) Message ID Name Description Priority Access scheme state M/B 17 broadcast binary message DGNSS corrections provided by a base station 2 FATDMA(3), RATDMA(2) N/A B 18 Standard Class B equipment position report Standard position report for Class B shipborne mobile equipment to be used instead of Messages 1, 2, 3(8) 1 SOTDMA, ITDMA(1), CSTDMA SOTDMA, ITDMA M 19 Extended Class B equipment position report No longer required; Extended position report for Class B shipborne mobile equipment; contains additional static information(8) 1 ITDMA N/A M 20 Data link management message Reserve for Base station(s) 1 FATDMA(3), RATDMA N/A B 21 report Position and status report for aids-to-navigation 1 FATDMA(3), RATDMA(2) N/A M/B 22 Channel management(6) Management of channels and transceiver modes by a Base station 1 FATDMA(3), RATDMA(2) N/A B