Texas Offshore Mooring Master Licensing Exam – Practice
Questions And Answers
Regulations & Legal Framework
1. Which U.S. law primarily governs offshore tanker lightering and mooring
operations?
o A) MARPOL
o B) OPA 90
o C) Jones Act
o D) Clean Water Act
Answer: B) OPA 90
OPA 90 (Oil Pollution Act of 1990) sets strict requirements for oil
handling, response planning, and mooring operations in U.S. waters.
2. The authority responsible for licensing Mooring Masters in Texas waters is:
o A) U.S. Coast Guard
o B) Texas Railroad Commission
o C) Texas General Land Office (GLO)
o D) Bureau of Ocean Energy Management (BOEM)
Answer: C) Texas General Land Office (GLO)
The Texas GLO oversees licensing of offshore terminal and mooring
operations.
3. A Mooring Master must ensure compliance with which international
convention related to tanker operations?
o A) SOLAS
o B) MARPOL
, o C) STCW
o D) ISM Code
Answer: B) MARPOL
MARPOL covers pollution prevention during tanker transfer and
mooring operations.
4. Which U.S. Coast Guard regulation requires a Mooring Master to maintain
control of oil transfer procedures?
o A) 33 CFR Part 154
o B) 33 CFR Part 105
o C) 46 CFR Part 15
o D) 49 CFR Part 40
Answer: A) 33 CFR Part 154
These rules specifically govern oil transfer facilities and offshore
mooring operations.
5. What document must be completed before commencing cargo transfer
operations offshore?
o A) Cargo Logbook
o B) Ship/Shore Safety Checklist
o C) Oil Record Book
o D) Mooring Master Duty Report
Answer: B) Ship/Shore Safety Checklist
This ensures both vessel and terminal agree on safe transfer
procedures.
Mooring Operations
6. What is the primary role of a Mooring Master?
, o A) Navigate the tanker to port
o B) Supervise ship-to-ship and mooring operations offshore
o C) Maintain vessel logbooks
o D) Conduct cargo sampling
Answer: B) Supervise ship-to-ship and mooring operations offshore
The Mooring Master ensures safe positioning and cargo handling
offshore.
7. When approaching an offshore mooring buoy, the Mooring Master should
first consider:
o A) Weather forecast
o B) Current direction
o C) Vessel’s draft and under-keel clearance
o D) All of the above
Answer: D) All of the above
Environmental and vessel conditions determine the safest mooring
approach.
8. The “pick-up rope” used in SPM (Single Point Mooring) operations is
attached to:
o A) Tanker’s stern roller
o B) Tanker’s bow chock
o C) Floating hose string
o D) Anchor chain
Answer: B) Tanker’s bow chock
The pick-up rope connects the tanker’s bow to the buoy hawser.
9. A hawser line failure during mooring may result in:
o A) Pollution
Questions And Answers
Regulations & Legal Framework
1. Which U.S. law primarily governs offshore tanker lightering and mooring
operations?
o A) MARPOL
o B) OPA 90
o C) Jones Act
o D) Clean Water Act
Answer: B) OPA 90
OPA 90 (Oil Pollution Act of 1990) sets strict requirements for oil
handling, response planning, and mooring operations in U.S. waters.
2. The authority responsible for licensing Mooring Masters in Texas waters is:
o A) U.S. Coast Guard
o B) Texas Railroad Commission
o C) Texas General Land Office (GLO)
o D) Bureau of Ocean Energy Management (BOEM)
Answer: C) Texas General Land Office (GLO)
The Texas GLO oversees licensing of offshore terminal and mooring
operations.
3. A Mooring Master must ensure compliance with which international
convention related to tanker operations?
o A) SOLAS
o B) MARPOL
, o C) STCW
o D) ISM Code
Answer: B) MARPOL
MARPOL covers pollution prevention during tanker transfer and
mooring operations.
4. Which U.S. Coast Guard regulation requires a Mooring Master to maintain
control of oil transfer procedures?
o A) 33 CFR Part 154
o B) 33 CFR Part 105
o C) 46 CFR Part 15
o D) 49 CFR Part 40
Answer: A) 33 CFR Part 154
These rules specifically govern oil transfer facilities and offshore
mooring operations.
5. What document must be completed before commencing cargo transfer
operations offshore?
o A) Cargo Logbook
o B) Ship/Shore Safety Checklist
o C) Oil Record Book
o D) Mooring Master Duty Report
Answer: B) Ship/Shore Safety Checklist
This ensures both vessel and terminal agree on safe transfer
procedures.
Mooring Operations
6. What is the primary role of a Mooring Master?
, o A) Navigate the tanker to port
o B) Supervise ship-to-ship and mooring operations offshore
o C) Maintain vessel logbooks
o D) Conduct cargo sampling
Answer: B) Supervise ship-to-ship and mooring operations offshore
The Mooring Master ensures safe positioning and cargo handling
offshore.
7. When approaching an offshore mooring buoy, the Mooring Master should
first consider:
o A) Weather forecast
o B) Current direction
o C) Vessel’s draft and under-keel clearance
o D) All of the above
Answer: D) All of the above
Environmental and vessel conditions determine the safest mooring
approach.
8. The “pick-up rope” used in SPM (Single Point Mooring) operations is
attached to:
o A) Tanker’s stern roller
o B) Tanker’s bow chock
o C) Floating hose string
o D) Anchor chain
Answer: B) Tanker’s bow chock
The pick-up rope connects the tanker’s bow to the buoy hawser.
9. A hawser line failure during mooring may result in:
o A) Pollution
