Summary of Required Deck Logbook Entries (at Sea)

　
Every Watch at Sea
- All entries as per column headings
- Comment on weather and sea conditions in text, also ship's status e.g. 'Rolling heavily', etc'-
- Any incidence of spray or seas on deck
- Any adjustments of speed (rpm) with reason for same
- Any adjustments of course at waypoints (not necessary to log minor adjustments for set/drift)
- Bearing and distance off significant navigational marks (usually beam bearings or at waypoints)
- Compass observations, in the relevant column, or indicate why no obs are possible.
- Night time security patrols (00-04 and 04-08 watches, upon receipt of report from last duty OOW)
- OOW and rating to sign the logbook for watch hours

Daily at Sea
- Noon position, passage and fuel data.
- Daily tests of equipment conducted (steering, whistles, E.R. telephone, general alarm, Off Course alms.)
- Implementation of 'E1' engine room watch mode (every evening when patrol alarm is set)
- Soot blowing (At the time of blowing)

Weekly
- Lifeboat and Fire Drills
- Ballast Soundings/Condition (at the time of changes, or once weekly if no change)
- Master's Inspections of Crew Accommodation and Storerooms

Monthly
- General Safety Inspection conclusions
- Periodic Maintenance of LSA and FFA conducted

Quarterly
- Emergency Steering Tests
- Line Throwing Apparatus Training
- Fixed CO2 System Tests

At the time of occurrence
- Adjustment of ship's clocks (at 0100hrs 'old time')
- CABA Tests and Training
- Change of con between Master and OOW
- Starting of additional steering motor
- Stowaway & Contraband searches
- Cargo Hose Tests
- Pipeline Pressure Tests
- Bunker Training for engineers
- Completion of Transfer Safety Checklist prior to bunker transfers.
- Engine Room bilge discharge operations
- Any accidents or injuries sustained, or damage to the vessel.

ALSO REFER TO MANDATORY PORT STATE REQUIRED ENTRIES

Summary of Required Deck Logbook Entries (IN PORT)

Every Watch
- Details of cargo, ballast and bunkering operations
- Weather information
- 'Gangway and Moorings tended throughout as necessary'
- Night time security patrols (00-04 and 04-08 watches, upon receipt of report from last duty OOW)
- Anchor bearings ('Frequently checked and position maintained' where appropriate)
- OOW to sign the logbook for watch hours

Daily
- Draft details.

At the time of occurrence
- Completion of Cescop Checklists (Arrival, Departure, etc)
- Port manoeuvers, shifting ship. (Can refer to "Movement Book" for details)
- Drafts and deadweight upon arrival and departure each berth.
- Water salinity upon arrival and departure each berth.
- Maximum bending moment and shear force upon sailing.
- Any inspections, surveys and repairs conducted on board.
- Arrival and departure of port officials, authorities.
- Crew changes
- Change of Command
- Any accidents or injuries sustained, or damage to the vessel.

ALSO REFER TO MANDATORY PORT STATE REQUIRED ENTRIES

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This Bridge Memo is developed through more than 15 years by some very experienced ship's masters.It is mainly based on Capt. Inn Davis's rules from ESM(Canada) Ltd.I collect them only for my personally study reason; and for easy reference purpose.
Here, I, as an officer under some instruction of  Capt Davis, give my full respects and thankful to Capt. Davis.

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2nd Officer
Ever-student from Dalian Maritime University
Be proud of DMU