A light source assembly for use by a user includes a housing assembly and a moving beam light source. The moving beam light source is positioned substantially within the housing assembly. The moving beam light source generates a source output beam that is directed away from the housing assembly at an angle relative to a rotation axis as a moving output beam while being rotated about the rotation axis. The moving beam light source is a non-visible light source that generates the source output beam having a center wavelength that is outside a visible light spectrum.

A vessel includes a body, such as surfboard, that floats in water. One or more thrusters, and one or more sensors are provided on the body. A controller is configured to selectively activate the thrusters to cause the vessel to move along a path through the water, receive sensor data from the one or more sensors while the vessel is moving along the path, determine, based on the sensor data, whether a dangerous condition is present in the water; and output a warning when the dangerous condition is present in the water. For example, the collected sensor data may relate to locations and directions of currents in the water, the dangerous condition may relate to a rip current, and the warning may identify at least one attribute of the rip current. A map identifying a location of the dangerous condition may be generated and forwarded to other devices.

A vessel includes a body, such as surfboard, that floats in water. One or more thrusters, and one or more sensors are provided on the body. A controller is configured to selectively activate the thrusters to cause the vessel to move along a path through the water, receive sensor data from the one or more sensors while the vessel is moving along the path, determine, based on the sensor data, whether a dangerous condition is present in the water; and output a warning when the dangerous condition is present in the water. For example, the collected sensor data may relate to locations and directions of currents in the water, the dangerous condition may relate to a rip current, and the warning may identify at least one attribute of the rip current. A map identifying a location of the dangerous condition may be generated and forwarded to other devices.

A fixer is applied to position a marine light on a boat and to adjust an angle of the marine light, and the fixer contains: a base and a rotatable adjuster. The base is locked on the boat by using two first screw bolts, the marine light is disposed on a top of a positioning column, and the rotatable adjuster is arranged on a bottom thereof. The rotatable adjuster includes a clamp member arranged on a side thereof and includes a connection member having a square cross section and disposed on a bottom of the rotatable adjuster so as to connect the positioning column on the base. The base is in a protrusion shape and includes a groove defined on a middle section of a top of the base, and the groove has two slots respectively defined on two intermediate sections of two peripheral sides thereof.

A fixer is applied to position a marine light on a boat and to adjust an angle of the marine light, and the fixer contains: a base and a rotatable adjuster. The base is locked on the boat by using two first screw bolts, the marine light is disposed on a top of a positioning column, and the rotatable adjuster is arranged on a bottom thereof. The rotatable adjuster includes a clamp member arranged on a side thereof and includes a connection member having a square cross section and disposed on a bottom of the rotatable adjuster so as to connect the positioning column on the base. The base is in a protrusion shape and includes a groove defined on a middle section of a top of the base, and the groove has two slots respectively defined on two intermediate sections of two peripheral sides thereof.

The embodiments disclose a lighting device configured for projecting at least a 180 degree halo of light using at least one component module having a LED/lens light pod module, a mount configured for a user to wear the lighting device on a user's hand, at least one external battery pack and a navigation light device with the lighting device, wherein the lighting device and the navigation light device are configured to project a 360 degree light pattern and at least one sensor configured to automatically activate a front LED/lens light pod module when the user raises and points a hand to gain a predetermined distance forward focused beam in a pointing direction, wherein the at least one sensor activates left and right side LED/lens light pod modules for projecting a light pattern to a front and rear direction when the user's arm is at one's side.

Floating vessel with a buoyant hull for cargo, with a load line presentation device affixed to the buoyant hull without interrupting water flow along the buoyant hull the load line presentation device presenting: a baseline load line indicator plimsoll mark and a plurality of decreased capacity load line indicator plimsoll marks, with a decreased capacity model in memory connected to a processor in communication with the load line presentation device; configured for automatically integrating a plurality of variables including: wave size, wave period, wind speed, surface current, vessel length, type of vessel, quantity of disconnected superstructures, quantity of sheer, bow height, a port specific draft restriction, a canal specific draft restriction, and identifying decreased capacity load line plimsoll mark for a voyage of the floating vessel, the decreased capacity load plimsoll mark restricting baseline capacity of the buoyant hull from 1% to 50%.

Floating vessel with a buoyant hull for cargo, with a load line presentation device affixed to the buoyant hull without interrupting water flow along the buoyant hull the load line presentation device presenting: a baseline load line indicator plimsoll mark and a plurality of decreased capacity load line indicator plimsoll marks, with a decreased capacity model in memory connected to a processor in communication with the load line presentation device; configured for automatically integrating a plurality of variables including: wave size, wave period, wind speed, surface current, vessel length, type of vessel, quantity of disconnected superstructures, quantity of sheer, bow height, a port specific draft restriction, a canal specific draft restriction, and identifying decreased capacity load line plimsoll mark for a voyage of the floating vessel, the decreased capacity load plimsoll mark restricting baseline capacity of the buoyant hull from 1% to 50%.

In a rescue network system for a watercraft, a transmitter transmits a first distress signal of the watercraft to which it belongs. A receiver receives a second distress signal from another watercraft. An output outputs emergency information indicating the existence of the second distress signal from the another watercraft. A controller is configured or programmed to control the output to output the emergency information when the receiver has received the second distress signal from the another watercraft.

A calling system for a personal watercraft includes processing circuitry. The processing circuitry is configured to: obtain a specific state signal indicating that the personal watercraft is in a given specific state; and wirelessly transmit a calling signal based on the specific state signal.