TM 55-1925-273-10-1
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NAVIGATION LIGHTS AND RADARS: STARBOARD
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Figure 3. Navigation Lights, And Radars: Starboard View
1.
Restricted in ability to maneuver and not under command (top light red) and anchor (bottom light white) lights
(figure 3, item 1). The top light illuminates when the vessel has restricted maneuverability. The bottom light illuminates
when the vessel's anchor is lowered. Both lights are visible for 360.
2.
Towing (white top light) and steaming (white bottom light) lights (figure 3, item 2). This light illuminates when the
vessel is towing and/or steaming. The towing and steaming light provides a 225 arc of white light.
3.
Towing and restricted in ability to maneuver white light (figure 3, item 3). This light illuminates when the vessel is
towing and/or the vessel has restricted maneuverability. The towing and restricted in ability to maneuver light provides
a 225 arc of yellow light.
4.
X-Band radar Raytheon M28342 (figure 3, item 4). This radar provides transmission and reception of X-Band radar
waves. The X-Band radar communicates imagery to the X-Band modulator XMTR receiver. The X-Band radar is used
for prevention of collisions between vessels and as an aid to navigation when close to shore.
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