- Where international agreements, rules or standards provide for the protection of navigational information (WARSHIPS for example)
- In exceptional circumstances and for the shortest duration possible where the operation is considered by the master to compromise the safety or security of the ship.
- When a ship is undergoing repairs in dry-dock or in port or is laid up for a long period, the master may temporarily stop the transmission.
What exemptions are there from LRIT reporting?
A ship is exempt from reporting if it is-
- Fitted with an operating automatic identification system (AIS), under 33 CFR 164.46, and operates only within 20 nautical miles of the United States baseline;
- A warship, naval auxiliaries or other ship owned or operated by a SOLAS Contracting Government and used only on Government non-commercial service, or
- A ship solely navigating the Great Lakes of North America and their connecting and tributary waters as far east as the lower exit of the St. Lambert Lock at Montreal in the Province of Quebec, Canada.
What can LRIT information be used for?
LRIT information can only be used for Security, Safety and Environmental protection. The US does recognize the commercial confidentiality and sensitivity of LRIT information and will not be sharing this in any way with commercial entities.
