VTS Regulatory and Legal Framework 2 — Questions and Answers
Question 1: Under 33 CFR Part 161, which vessels are required to participate in a Vessel Traffic Service?
- All vessels over 100 gross tons
- Vessels designated by the VTS authority based on size, type, or cargo (Correct answer)
- Only foreign-flagged vessels entering US waters
- All commercial vessels regardless of size
Correct answer: Vessels designated by the VTS authority based on size, type, or cargo
VTS participation requirements are established under 33 CFR Part 161, which allows the VTS authority to designate participating vessel classes based on factors such as size, type, and cargo carried.
Question 2: Which international convention establishes the legal basis for mandatory ship reporting systems, including VTS?
- SOLAS Chapter V (Correct answer)
- MARPOL Annex I
- COLREGS Rule 10
- STCW Convention
Correct answer: SOLAS Chapter V
SOLAS Chapter V (Safety of Navigation) provides the international legal framework for mandatory ship reporting systems and vessel traffic services.
Question 3: A vessel operator who fails to comply with a VTS instruction in US waters may be subject to penalties under which statute?
- The Ports and Waterways Safety Act (PWSA) (Correct answer)
- The Jones Act
- The Merchant Marine Act of 1936
- The Clean Water Act
Correct answer: The Ports and Waterways Safety Act (PWSA)
The Ports and Waterways Safety Act (PWSA) authorizes the Coast Guard to establish VTS systems and provides the legal basis for enforcing compliance with VTS instructions.
Question 4: What does the term 'precautionary area' mean in VTS operational context?
- An area where vessels are prohibited from anchoring
- A routing measure area where vessels must navigate with particular caution and where a traffic separation scheme may exist (Correct answer)
- An area reserved for pilotage operations only
- A zone where all vessels must stop and await VTS clearance
Correct answer: A routing measure area where vessels must navigate with particular caution and where a traffic separation scheme may exist
A precautionary area is a routing measure where vessels must proceed with particular caution, often at intersections of traffic lanes or in areas with complex traffic patterns.
Question 5: Under IMO Resolution A.857(20), VTS services are categorized into three types. Which is NOT one of them?
- Information Service
- Traffic Organization Service
- Navigational Assistance Service
- Vessel Inspection Service (Correct answer)
Correct answer: Vessel Inspection Service
IMO Resolution A.857(20) defines three VTS services: Information Service, Traffic Organization Service, and Navigational Assistance Service — vessel inspection is not a VTS function.
Question 6: Which US federal agency has primary authority to establish and operate VTS systems in US ports and waterways?
- The Maritime Administration (MARAD)
- The Army Corps of Engineers
- The US Coast Guard (Correct answer)
- The Federal Maritime Commission
Correct answer: The US Coast Guard
The US Coast Guard, under authority granted by the Ports and Waterways Safety Act, has primary responsibility for establishing and operating VTS systems in US ports and waterways.
Question 7: A vessel is required to report to VTS upon entering a VTS area. This requirement is known as a:
- Sailing plan
- Position report
- Vessel movement report (Correct answer)
- Entry notification
Correct answer: Vessel movement report
Under 33 CFR Part 161, vessels must submit a vessel movement report when entering a VTS area, providing identity, position, and intended route information.
VTS Regulatory and Legal Framework 2
Under 33 CFR Part 161, which vessels are required to participate in a Vessel Traffic Service?