Deck Logs: Purpose and Content
Source of Information:
http://www.history.navy.mil/faqs/faq73-1.htm
DEPARTMENT OF THE NAVY -- NAVAL HISTORICAL CENTER
A Navy ship's deck log is a daily chronology of certain events for
administrative and legal purposes. Preparation of logs is governed by
the current edition of Office of the Chief of Naval Operations
Instruction 3100.7 (OPNAVINST 3100.7) series. This specifies the kinds
of events to be entered:
Note from Sandy Eskew
Information indicated with a
will be what is posted on this website.
•Absentees
Accidents -material - personnel
Actions - combat
Appearances of Sea/Atmosphere/Unusual Objects
•Arrests/Suspensions
Arrival/Departure of Commanding Officer
•Bearings -navigational
•Cable/Anchor Chain Strain
Collisions/Groundings
•Courts-Martial/Captain's Masts
Deaths
Honors/Ceremonies/Visits
Incidents at Sea
•Inspections
Meteorological Phenomena
•Movement Orders
Movements -getting underway; course, speed changes; mooring, anchoring
Passengers
Prisoners -crew members captured by hostile forces
•Propulsion Plant Status changes
Receipts and Transfers of Crew Members
Ship's Behavior under different weather/sea conditions
Sightings -other ships; landfall; dangers to navigation
•Soundings [depth of water]
•Speed Changes
•Tactical Formation
•Time of Evolutions/Exercises/Other Services Performed
Deck logs are not narratives, and do not describe or explain a ship's
operations.
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