Deck Officer


River Endorsements

MODU Endorsements

Exam Code: ONC01
Endorsement: Master/Chief Mate
Modules : Q100 - Q104

Examination Modules and Topics: Click on Module Title for Sample Exam Grey Boxes Represent Major Topic Headings In Accordance With 46 CFR Subchapter B

Q100-Rules of the Road: International and Inland Q101-Deck General: Part I Q102-Deck General: Part II Q103-Deck Safety Q104-Deck Safety / Stability Problems
Watchkeeping Vessel Maneuvering and Handling National Maritime Law Basic Principles, Watchkeeping Stability, Construction, and Damage Control Passenger/Crew Safety in Emergencies Stability, Construction, and Damage Control:
COLREGS Approaching Pilot Vessel or Station Credentialing of Seaman Basic Principles, Watchkeeping Principles of Vessel Construction Fire or Explosion Trim and Stability
Inland Navigational Rules Vessel Handling in Rivers & Estuaries Shipboard Management and Training: Navigation Safety Regulations (33 CFR 164) Trim and Stability Abandon Ship Procedures Damage Trim and Stability
Maneuvering in Shallow Water Personnel Management Cargo Handling and Stowage Damage Trim and Stability Emergency Steering Stability, Trim, and Stress Calculation
Interaction with Bank/Passing Ship Shipboard Organization Cargo Stowage and Security, Cargo Gear Vessel Structural Members


Survivors from


 in Distress

Vessel Structural Members
Berthing and Unberthing Required Crew Training Loading and Discharging Operations IMO Ship Stability Recommendations

Man Overboard


IMO Ship Stability Recommendations
Anchoring and Mooring Ship Sanitation International Regulations for Cargoes, especially International Maritime Dangerous Goods Code Damage Control Emergency Towing Damage Control
Dragging of, Clearing Fouled Anchors

Vessel Alteration/

Repair/Hot Work


Hazardous Cargo Regulations

Change in Draft Due to Density Medical Care: Change in Draft Due to Density
Heavy Weather Operations Safety Tank Vessel and Fuel Oil Operations Vessel Power Plants Knowledge and use of:
Maneuvering for Launching of Lifeboats and Liferafts in Heavy Weather Ship's Business Marine Power Plant Operating Principles International Medical Guide for Ships

Receiving Survivors From Lifeboats/


Charters Vessel’s Auxiliary Machinery Ship’s Medical Chest & Medical Aid at Sea
Determine Maneuvering Characteristics of Major Vessel Types Liens and Salvage Marine Engineering Terms

Medical Section,

International Code

 of Signals

Wake Reduction Insurance Fire Prevention and Firefighting Appliances Communications
Ice Operations/Ice Navigation Entry and Clearance Organization of Fire Drills

Signals: Storm/Wreck/


Maritime Law ISM and Safety Management Systems Classes and Chemistry of Fire International Code of Signals
International Maritime Law Certificates and Documents Required Firefighting Systems IMO Standard Maritime Communication Phrases
Firefighting Equipment & Regulations Lifesaving
Basic Firefighting and Prevention Survival at Sea
Emergency Procedures Lifesaving Appliance Regulations
Ship Beaching Precautions Lifesaving Appliance Operation
Actions Prior to/after Grounding, Including Refloating Search and Rescue
Collision Search and Rescue Procedures
Temporary Repairs Automated Mutual-Assistance Vessel Rescue System and International Aeronautical & Maritime Search And Rescue Manual