Communications Flashcards
What are three types of broadcasts (TTP 6-01.2) [OS3]
Scheduled (RMIB)
Safety (SMIB)
Urgent (UMIB)
Which broadcast is normally a routine or priority precedence broadcast sent at the next scheduled broadcast time? (TTP 6-01.2) [OS3]
Scheduled
Which broadcasts is a priority or immediate precedence broadcast, sent upon receipt of the safety-related information and repeated during each scheduled broadcast until canceled? (TTP 6-01.2) [OS3]
Safety
Which broadcast is an immediate precedence broadcast, sent upon receipt of the urgent-related information and repeated during each scheduled broadcast until canceled? (TTP 6-01.2) [OS3]
Urgent
Which broadcast is the method by which important navigation safety information is disseminated? (CIM 2000.3G) [OS3]
Broadcast Notice to Mariners (BNM)
Which broadcasts must be used to announce severe weather and issues regarding safety of life at sea (e.g., hurricanes, hurricane force winds, tsunami warnings)? (CIM 2000.3G) [OS3]
Urgent Marine Information Broadcast (UMIB)
Which broadcast must be made only when the information is so important to the safety of navigation that a delay in its dissemination would create a hazard to shipping? (CIM 2000.3G) [OS3]
Safety Marine Information Broadcast (SMIB)
Which broadcasts have specified schedules in which safety and urgent broadcasts are repeated? (CIM 2000.3G) [OS3]
Scheduled Broadcast Notice to Mariners
What frequency must the preliminary announcement for all broadcasts be on? (CIM 2000.3G) [OS3]
156.8 MHz (MAR Ch 16)
What frequency must used for an urgent broadcast cancellation? (CIM 2000.3G) [OS3]
156.8 MHz (MAR Ch 16)
If an urgent broadcast will last longer than 1 minute, what frequency must be used? (CIM 2000.3G) [OS3]
157..1 MHz (MAR Ch 22A)
If an urgent broadcast is less than 1 minute, what frequency can be used? (CIM 2000.3G) [OS3]
156.8 MHz (MAR Ch 16)
How often will an urgent message be broadcasted? (CIM 2000.3G) [OS3]
Upon receipt
Every 15 minutes for a hour
On scheduled broadcasts until cancelled
Additional broadcasts as directed by originator
How often will a safety message be broadcasted? (CIM 2000.3G) [OS3]
Upon receipt
Next scheduled broadcasts until cancelled
Additional broadcasts as directed by originator
What are broadcast precedence for NAVTEX messages? (CIM 2000.3G) [OS3]
Routine
Important
Vital
Which NAVTEX precedence is for immediate broadcasts which are; urgent, generally applying only to SAR, hurricane, hurricane force winds, or tsunami related messages? (CIM 2000.3G) [OS3]
Vital
Which NAVTEX precedence is used for safety broadcasts and sent at the next available period when the frequency is unused? (CIM 2000.3G) [OS3]
Important
Which NAVTEX precedence is used for broadcast at the next scheduled transmission and not pertaining to safety? (CIM 2000.3G) [OS3]
Routine