Deck Officer


River Endorsements

MODU Endorsements

Exam Code: ONC03
Endorsement: Master LT 500 -1600 GRT
Modules: Q100 - Q123


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 Q120-Deck General Q121-Deck Safety Q122-Deck Safety Stability Problems Q123-Navigation General: Near Coastal
Watchkeeping: Basic Principles, Watchkeeping Dangerous/ Hazardous Cargo Regulations Stability, Construction, and Damage Control


Crew Safety in


Stability, Construction,

and Damage Control:

Navigation and Position Determination
COLREGS Basic Principles, Watchkeeping Tank Vessel and Fuel Oil Operations Principles of Vessel Construction Fire or Explosion Trim and Stability Piloting
Inland Navigational Rules Vessel Maneuvering and Handling Maritime Law Trim and Stability Abandon Ship Procedures Damage Trim and Stability Distance Off
  Approaching Pilot Vessel or Station International Maritime Law Damage Trim and Stability Emergency Steering Stability, Trim, and Stress Calculation Bearing Problems
  Vessel Handling in Rivers & Estuaries National Maritime Law Vessel Structural Members

Rescuing Survivors

from Ship/Aircraft

in Distress

Vessel Structural Members Fix or Running Fix
  Maneuvering in Shallow Water Credentialing of Seaman IMO Ship Stability Recommendations Man Overboard Procedures IMO Ship Stability Recommendations Chart Navigation
  Interaction with Bank/Passing Ship Shipboard Management and Training: Damage Control Emergency Towing Damage Control Dead Reckoning
  Berthing and Unberthing Personnel Management Change in Draft Due to Density Medical Care:   Instruments & Accessories
  Anchoring and Mooring Shipboard Organization Vessel Power Plants: Knowledge and use of:   Aids to Navigation
  Dragging of, Clearing Fouled Anchors Required Crew Training Marine Power Plant Operating Principles International Medical Guide for Ships   Charts, Navigation Publication, & Notices to Mariners
  Heavy Weather Operations Ship Sanitation Vessel’s Auxiliary Machinery Ship’s Medical Chest & Medical Aid at Sea   Watchkeeping
  Maneuvering for Launching of Lifeboats- Liferafts in Heavy Weather Vessel Alteration/ Repair/Hot Work Marine Engineering Terms


Section, International Code of Signals



Principles, Watchkeeping


Receiving Survivors From Lifeboats/


Safety Fire Prevention and Firefighting Appliances Communications   Compass - Magnetic & Gyro
  Maneuvering Characteristics- Major Vessel Types Ship's Business Organization of Fire Drills

Signals: Storm/Wreck/



  Principles, Operation, and Maintenance of Gyro Compass
  Wake Reduction Charters Classes and Chemistry of Fire International Code of Signals   Principles of Magnetic Compass
  Ice Operations/Ice Navigation Liens and Salvage Firefighting Systems IMO Standard Maritime Communication Phrases  


Compass Error/


  Cargo Handling and Stowage Insurance Firefighting Equipment & Regulations Lifesaving   Magnetic Compass Error/Correction
  Cargo Stowage and Security, Cargo Gear Entry and Clearance Basic Firefighting and Prevention Survival at Sea   Determination of Compass Error
  Loading and Discharging Operations ISM and Safety Management Systems Emergency Procedures Lifesaving Appliance Regulations   Azimuth (Any Body)
  International Regulations for Cargoes, IMDG Code Certificates and Documents Required Ship Beaching Precautions Lifesaving Appliance Operation   Amplitude (Any Body)

Actions Prior to/after

Grounding, Including Refloating

Search and Rescue:   Terrestrial Observation
      Collision Search and Rescue Procedures   Meteorology and Oceanography
      Temporary Repairs AMVER System- International Aeronautical & Maritime Search And Rescue Manual   Characteristics of Weather Systems
            Ocean Current Systems
            Weather Charts and Reports
            Tides and Tidal Currents
            Navigation Safety Regulations (33 CFR 164)