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9
9.1 Fault Finding
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Table 9-5: List of Navigation Message and Warnings
Message Class Description ALR No.
i
Anchorage Area Alarm Crossing anchorage area. 245
Anchorage Prohibited Alarm Crossing anchorage prohibited. 246
Approaching Obstruction Alarm Approaching obstruction. 218
Archipelagic Sea Lane Alarm Approaching sea line. 256
Approaching Water Rock Alarm Approaching water rock. 219
Approaching Wreck Alarm Approaching wreck. 220
Arrived at Last WPT Alarm Arrived at last WPT. 210
Arrived at WPT Alarm Arrived at WPT. 207
Cable Area Alarm Crossing cable area. 244
Cargo Transshipment Area Alarm Crossing cargo transshipment area. 250
Caution Area Alarm Crossing caution area. 234
Channel Alarm Crossing channel. 240
Crossing Safety Contour Alarm Crossing safety contour. 217
Dangerous Area Alarm Crossing dangerous area. 254
Dangerous Line Alarm Crossing dangerous line. 253
Dangerous Symbol Alarm Crossing dangerous symbol. 222
Deep Water Route Alarm Crossing deep water route. 229
Dragging Anchor Alarm Dragging anchor. 223
Dredge Area Alarm Crossing dredge area. 249
Dumping Ground Alarm Crossing dumping ground. 248
Fairway Alarm Crossing fairway. 232
Fishing Ground Alarm Crossing fishing ground. 241
Fishing Prohibited Alarm Crossing fishing prohibited. 242
Ice Area Alarm Crossing ice area. 239
Incineration Area Alarm Crossing incineration area. 251
Inshore Traffic Zone Alarm Crossing inshore traffic zone. 231
LAT Limit Over Alarm
Own ship position reached latitude limit.
The display limit latitude of the chart:
78°00.000’ N, 78°00.000’ S
901
Marine farm / aquaculture Alarm Approaching marine farm / aquaculture. 257
Military Practice Area Alarm Crossing military practice area. 236
Off Course Alarm
The difference between the course and bearing
exceed the limit.
208
Offshore Production Area Alarm Crossing offshore production area. 235
Pipeline Area Alarm Crossing pipeline area. 243
Recommended Traffic Line Alarm Crossing recommended traffic area. 230
Seaplane Landing Area Alarm Crossing seaplane landing area. 237
Sensitive Sea Area Alarm Crossing sensitive sea area. 255
Specially Protected Area Alarm Crossing specially protected area. 252
Spoil Ground Alarm Crossing spoil ground. 247
Submarine Transit Area Alarm Crossing submarine transit area. 238
Traffic Crossing Alarm Crossing traffic crossing. 225
Traffic Precautionary Alarm Crossing traffic precautionary. 227
Traffic Roundabout Alarm Crossing traffic roundabout. 226
Traffic Separation Zone Alarm Crossing traffic separation zone. 224
Two Way Traffic Alarm Crossing two way traffic. 228
XTD Alarm
The amount of the cross track error exceeds the
limit.
209
i. ALR No.: Unique alarm number in ALR sentence and ACK sentence
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