vessel traffic service (vts) - ntsb home · vessel traffic service (vts) vts mission &...
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Office of Marine Safety
Vessel Traffic Service (VTS)
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VTS Mission & Locations
• Navigational risk reduction
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VTS Equipment
Sensor Integration– Radar– Closed circuit
television– VHF radio– Automatic
identification system (AIS)
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Vessel Traffic Reporting• Vessel Movement Reporting System
– Sailing plan– Position reports– Final report– Deviation report
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Vessel Participation• Participation is only mandatory for
– Power driven vessels of 131’ or more– Towing vessels over 26’– Passenger vessels certificated to carry
50 or more passengers– Power driven vessels of 131’ or more
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Vessel Control Authority• May order a vessel to operate or anchor
in a specific manner, if such direction is justified in the interest of safety
• Delegated through Chain of Command– Code of Federal Regulations– Marine Safety Manual– Locally generated policy and procedure
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Continuum of Control
Directing
Informing
Monitoring
Recommending
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VTS & Pilot Interaction• 05:10 Low visibility procedures
implemented• 06:36 Pilot provided sailing plan• 08:06 Pilot provided position report
– No standing orders or procedure to prohibit vessel movement in periods of reduced visibility
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VTS & Pilot Interaction08:27 VTS operator believed the pilot
may be deviating from the Cosco Busan’s submitted sailing plan– Attempted to verify transit intentions
and provide navigational assistance via VHF radio
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VTS & Pilot Interaction (cont’d)• VTS: Unit Romeo, Traffic.• Pilot: Traffic Romeo.• VTS: Roger Captain, are you still proceeding out?• Pilot: Traffic.• VTS: Unit Romeo, Traffic. AIS shows you on a 235
heading. What are your intentions? Over.• Pilot: Um, I’m coming around, I’m steering 280 right
now.• VTS: Roger, understand you still intend the Delta Echo
span. Over.• Pilot: Yeah, we’re still Delta Echo.• VTS: Uh, roger Captain.
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VTS & Pilot Interaction (cont’d)• VTS personnel remained concerned
about Cosco Busan’s atypical course– No escalation of vessel control level – No communication about vessel’s
position relative to Delta–Echo span• Pilot designator used versus vessel
name or call sign
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