NAVTEX Messages

Message Format

Subject Indicator Characters The subject indicator character is used by the receiver to identify different classes of messages. It is also used to reject messages concerning certain optional subjects which are not required by the ship.
A = Navigational warnings¹ B = Meteorological warnings C = Ice reports D = Search and rescue information, and pirate attack warnings¹ E = Meteorological forecasts F = Pilot service messages G = DECCA messages H = LORAN messages	I = OMEGA messages J = SATNAV messages K = Other electronic navaid messages² L = Navigational warnings - additional to A³ V = Special service - allocation by NAVTEX panel W = Special service - allocation by NAVTEX panel X = Special service - allocation by NAVTEX panel Y = Special service - allocation by NAVTEX panel Z = No messages on hand
1 Cannot be rejected by the receiver. 2 Messages concerning radionavigation services. 3 Should not be rejected by the receiver (continuation of B₂ subject group A). Example of NAVTEX Messages If you would like to see a scanned image of output from the ICS NAV4 NAVTEX receiver please click here.