Navigation Definitions
and Codes

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OMNI DATA Ends
1993 TO 2011

Show Definitions and Codes in one page*Pages are Excluded
  OMNI - Operations and Maintenance of Navigation Installations - is the name of the data entry system used by lock personnel to enter lock traffic data; including tows, barges, and commodities.
  Locks using OMNI - List Spreadsheet*
  OMNI Codes* - list of codes used within the OMNI Application/Reports.
  Assists - Mechanical Assist Codes - Mechanical aid to a vessel and/or flotilla transiting the lock.
  Assists - Vessel Assist Codes - Vessel provided aid to a vessel and/or flotilla transiting the lock. Assist is completed prior, during and/or after a cut.
  Barge Types - A barge is a boat without its own power used for transporting commodities. Vessel types that can power barges are T, U, G, N and J. Barge Type is the body configuration codes for a shallow, non-self-propelled vessel used to carry bulk commodities.
  Barge Width - Width range in feet of a barge across the widest breadth.
  Barge Length - Length range in feet from bow to stern.
  Chamber - Each of the one or more structures at a lock providing the equipment necessary to move a vessel through the lock. Chambers may be main or auxiliary. Chamber size varies at each lock.
  Commodity Codes - 2 or 4 digit code to indicate the type of commodity, goods or items, that is being transported.
  Cuts - A tow and its barges are broken apart into smaller sections, called cuts. These smaller sections can be contained in the lock at once. Multiple cuts may be necessary in order to transit the lock completely.
  Datetimes - Arrival, Start of Lockage, and End of Lockage
Calculated Times - Chambering, Delay (Wait), Entry, Bye, Exit, Processing, Idle
  Direction - The upstream or downstream direction in which the vessel is traveling on the river or waterway.
 

Hardware Cycles & Operations
 

Generate Reports*
    RPT01
RPT01a*
RPT06*
RPT06q*
RPT06x*
RPT11*
RPT12*
RPT13*
RPT14*
RPT15*
RPT24*
RPT3a*		 Lockage and Tonnage Summary [years < 2000]
Summary Tons & Hours [years 2000+] [help] * [explain] *
Detail Commodity Tonnage (132 col), Waterway Traffic Report.
Detail Commodity Tonnage (132 col) for Queued/Lock Traffic.
Excel -- Daily Commodity Totals by Commodity Code.
Daily Traffic (Barges, Tonnage) Steel Corn Soybeans.
Commodity Traffic Report for Key Locks.
Lock and Vessel Stoppages (data after jan 2000).
1) Boats and Lockages 2) Cmdty Brgs and Tons.
Commodity Series Up & Down Barges & Tonnages by barge type.
Cuts by Lock and Direction (years>1999).
Completed Vessel Lockages.
  To print colors: Go into your browser and Click on Internet options, Advanced, Click on Print Background colors and images.
  Ice Codes - are eight-character strings that summarize the predominant ice conditions at and upriver of a lock facility. Ice Codes Legend & OMNI Ice Codes Manual*
  Lockage Types - The configuration of vessels as they transit a lock.
  Multi-vessel Cut - Multiple boats locked through together in 1 cut excludes additional light boats and recreation boats.
  A stoppage is when navigation would be halted whether or not there are vessels to serve. A stoppage must be either scheduled or unscheduled. Scheduled stoppages are announced via Navigation Notices (via mail, email, web posting), Broadcasts to Mariners etc. Unscheduled stoppages are events that force navigation to cease and are not planned. A slowdown/stall is when navigation is only slowed but continues.

Stoppage/Slowdown Event Codes - associated with a stoppage indicates where the stoppage occurred prior to what event during lockage.

  Stoppage/Slowdown Codes - are used to indicate the reason why the stoppage/slowdown occurred.
  Vessel Flotilla Information - A flotilla is a tow with barges; or for reporting purposes a self-propelled vessel that is carrying a commodity for subsequent sale (i.e. ship, fishing).
  Vessel Numbers - Coast Guard & IMO - Thee seven digit vessel identification number from the Coast Guard Vessel Index File for domestic vessels and the Lloyd's Number (IMO - International Maritime Organization) for foreign vessels.
  Vessel Passages/Hulls - The total of all items that locked through the lock chamber. The total of all powered and non-powered vessels and barges.
  Vessel Tons - OMNI Tonnage is recorded in Net Ton, also known as Short Ton. A unit of weight equal to 2,000 pounds (0.907 metric ton or 907.18 kilograms).
  Vessel Types - A code that designates craft type based on configuration or usage.