Star Trek Service Record Simulator

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Since the early days of space exploration, Starfleet has endeavored to keep accurate records of space activates, both for historical and legal purposes.  Evolving from the Earth Starfleet concept of a “Starlog”, modern day Starfleet Logs encompass every aspect of Starfleet operations and, when necessary, may be utilized to provide a detailed account of any given event or period for the purposes of review or investigation.

Starfleet logs are recorded into the main computer system of a given Starfleet station through use of either a handheld tricorder or by speaking directly to the    computer via audio interface.                    A log entry created via tricorder 

All logs are dated via Stardate, with the exception of additional log entries, made afterwards related to earlier entries, which are referred to as “Supplemental Logs”. 

Logs are maintained on site in a Starfleet station’s computer for a period of five years, before being transferred to the Archival Records Division of the Memory Prime Records Center on Earth.  In an emergency, recorded log entries may be transcribed onto a computer database disk and jettisoned from a starship, starbase, or outpost via a modified probe known as a “Log Buoy”, "Recorder Marker", or "Disaster Beacon".                                                                                                               Starship Log Buoy


A ship’s log, more commonly known as a “Captain’s Log” is the log maintained by the commander of a starship. 
The purpose of the ship’s log is to document all official command decisions and mission execution actions tasked to starships by higher command.  Starship commanders are required to create daily entries pertaining to starship command operations, orders received, and other matters concerning starship directives and corresponding activities.      


A station log, which is very similar to a ship’s log, records official command mission and daily execution orders onboard a Starfleet space facility, such as an Outpost or Starbase.  Station logs may also be referred to by the rank of the station commander – such as “Commander’s Log”, “Captain’s Log”, and “Commodore’s Log”.  As with ship logs, station commanders are required to create daily log entries pertaining to all onboard station command operations.


Duty logs, also known as “Watch Logs” or “Deck Logs”, are twenty four hour continuous recordings of actions performed at a particular watch station.  Duty logs are considered more “nuts and bolts” than other types of logs; in that duty logs may contain several entries an hour pertaining to executed mission orders or other such activates.  Duty logs also pertain more often than not to technical aspects of ship or station operations; these may include onboard system status changes, shuttle launches and recoveries, and any change in the onboard alert status.

The two most common types of Duty Logs are the Starship Navigation Log and Quarterdeck Watch Log.  The Navigation Log is a complete listing of all course and navigational changes made by a starship while underway, while a Quarterdeck Watch Log records all actions and activities on the ship’s bridge. 

The helm of a starship, from which the Navigation Log is recorded

For docked ships and shore stations, the Quarterdeck Log is more ceremonial, maintained at an established entrance to the command, such as an airlock, which serves as the “In-Port” Quarterdeck.

Duty logs are also maintained at every regular watch station of any Starfleet unit.  Duty Logs are maintained by the “Duty Officer” who must maintain the watch and the log until properly relieved by another qualified individual.


The officer’s log is nearly entirely administrative, detailing the tasking and operational notes of Starfleet officers and petty officers.  Unlike standard watch logs, an officer’s log is more formatted as a professional journal, updated at least once a week pertaining to the official duties of the officer in question. 

A variety of officer logs exist, normally annotated by the status and position of the officer.  The primary types of officer logs are:

Division Officer’s Log: Maintained by officers in charge of a division.

Department Head’s Log: Maintained by department head officers.

Executive Officer's Log: Maintained by the second in command of a Starfleet unit.

Chief Petty Officer’s Log: Maintained by the leading Chief Petty Officer of a department or division.

Petty Officer’s Log: Maintained by a Division Leading Petty Officer.

Most Starfleet junior officers are required to maintain a Division Officer's Log

The above log types may be further annotated by the specific titles of the individual log.  For instance, the Department Head in charge of Engineering would annotate their log as “Chief Engineer’s Log”, the division office in charge of Astrophysics as “Astrophysics Officer’s Log”, and so forth.

Two additional special categories of officer logs exist, these being the logs of Recruiters and Flag Officers.  The logs of recruiters, which primarily pertain to active recruiting cases underway in respective recruiting offices, are known simply as a “Recruiter’s Log”. 

Flag Officer logs are divided into three separate categories determined by the seniority of the flag officer in question: the Commodore’s Log, Admiral’s Log, and Fleet Admiral’s Log.


Personal Logs are the most numerous of all Starfleet Log types.  Essentially personal diaries of a Starfleet service member, personal logs are maintained by all Starfleet members from the lowest recruit to the Starfleet Commander-in-Chief. 
Starfleet personal logs may be replayed after recording, for review
Starfleet members may enter whatever information they wish into a personal log, with such information deemed confidential to the service member unless an official Starfleet order is issued to review the contents of a personal log (such orders are typically only issued as part of an investigation into an accident, mishap, or other tragedy).

Starfleet members are encouraged to make weekly entries into Personal Logs, if not daily.  Personal logs are also the only type of Starfleet log which may be subsequently modified or deleted by the creating service member.


Equipment Logs are automatic recordings of Starfleet equipment usage and are generated by a Starfleet unit’s main computer at the time of equipment operation. 
Transporter Logs are considered one of the more important versions of an Equipment Log
Equipment logs are mainly used to monitor equipment operation hours and also to review adherence to performance specifications.  Equipment logs are also very useful in determining the cause of equipment casualties as part of an investigation into a mishap or accident.

Nearly every piece of Starfleet equipment is monitored by its own Equipment Log; however, some of the more important Equipment Logs include the Communications Log, monitoring all transmissions to and from a Starfleet starship or installation, the Transporter Log, monitoring all transporter activity, and the Replicator Log which records all items ordered for creation from a Starfleet Replicator.