Message precedence is an indicator attached to a message indicating its level of urgency.
The Combined Communications-Electronics Board (CCEB), a five-nation joint military communications-electronics organization (consisting of Australia, Canada, New Zealand, the United Kingdom, and the United States), uses the following message precedence designators, in descending order of importance:
This precedence is reserved for initial enemy contact messages or operational combat messages of extreme urgency. For a topic outline on this subject see List of basic Australia topics. Country to "Dominion of Canada" or "Canadian Federation" or anything else please read the Talk Page New Zealand is an Island country in the south-western Pacific Ocean comprising two main landmasses (the North Island and the South Island The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom, the UK or Britain,is a Sovereign state located The United States of America —commonly referred to as the Brevity is mandatory. FLASH messages are to be handled as fast as humanly possible, ahead of all other messages, with in-station handling time not to exceed 10 minutes. Messages of lower precedence are interrupted on all circuits involved until the handling of FLASH messages are completed.
This precedence is reserved for messages relating to situations gravely affecting the security of the nation. It requires immediate delivery. Examples include reports of widespread civil disturbance, reports or warning of grave natural disaster, and requests for or directions concerning search and rescue operations. IMMEDIATE messages are processed, transmitted, and delivered in the order received and ahead of all messages of lower precedence. They are to be handled as quickly as possible, with in-station handling time not to exceed 30 minutes. Messages of lower precedence should be interrupted on all circuits involved until the handling of the IMMEDIATE message is completed. The use of the letter "O" comes from the original name for this level, "operational immediate".
This precedence is reserved for traffic requiring expeditious action by the addressee or for conducting operations in progress when ROUTINE precedence will not suffice. PRIORITY precedence messages are processed, transmitted, and delivered in the order received and ahead of all messages of ROUTINE precedence. Examples include requests for supplies or equipment during the conduct of an operation, time-critical items requiring quick response, and situation reports. They are to be handled as quickly as possible, with in-station handing time not to exceed 3 hours.
This precedence is used for all types of message traffic justifying transmission by rapid means, but not of sufficient urgency to require higher precedence. ROUTINE precedence messages are delivered in the order received and after all messages of higher precedence. Examples include any message that requires the documentation of its transmission and/or delivery; messages concerning normal operations, programs, or projects; and periodic or consolidated reports. They should be handled as soon as traffic flow allows, but no later than the beginning of the next duty day. 6 Hr.
The National Command Authority (usually the President of the United States) has access to a FLASH OVERRIDE capability (this is a point of confusion; flash override is not a precedence, but the capability to override all other traffic, including flash). National Command Authority ( NCA) is a term used by the United States military and government to refer to the ultimate lawful source of military orders The President of the United States is the Head of state and Head of government of the United States and is the highest political official in United States by
The amateur radio community uses EMERGENCY, PRIORITY, WELFARE and ROUTINE precedence levels. Amateur radio, often called ham radio, is both a Hobby and a service in which participants called "hams" use various types of Radio communications