A flashing green light indicates that you can proceed into the river lock. This signal means it is safe to enter and that the lock is ready for you. Always ensure to follow any additional signals or instructions from lock personnel for a safe passage.
Green
the one with the big unicorn on it
A flashing amber light means approach the lock at a safe speed and under full control.
Green
Amber flashing light.
A flashing amber light at a river lock typically indicates that the lock is in operation or that it is safe for vessels to proceed with caution. It serves as a warning to boaters to be alert and prepared for potential changes in the lock's status. Boaters should always follow any additional signage or signals provided at the lock to ensure safe passage.
If you see a flashing amber light near the entrance to a river lock, you should approach with caution and be prepared to stop. The flashing light typically indicates that you should wait for the lock to be ready for your passage. Follow any additional signals or instructions from lock personnel, and ensure that your vessel is securely moored while waiting. Always prioritize safety and be aware of other vessels in the area.
One long blast on the boat's horn or whistle indicates to the river lock attendant that you wish to go through the lock.
A yellow flashing light signals to approach the lock under full control. This type of light indicates caution and that a lock is approaching. The boat should proceed slowly and cautiously to safely navigate the lock.
Smart-lock Alarm System Immobilizer
One prolonged blast followed by one short blast.
It tells you the doors are not locked. The light goes out when you lock the doors. It's just a friendly reminder to lock your doors.