Malibu Boats Wakesetter 20VTX 2019 Owner's Manual page 40

Figure 1
Motorboats less than 20 meters (65.62 feet) shall exhibit
navigation lights as shown in Figure 1. (Note: Two masthead lights
are optional for boats under 50 meters. Boats over 50 meters [164
feet] will display two masthead lights.)
Figure 2
Motorboats of less than 12 meters (39 feet, 4 inches) in length,
may show the lights in either Figure 1 or Figure 2. Boats of less than
7 meters (23 feet) whose maximum speed cannot exceed seven
(7) knots may exhibit an all-around white light, and, if practicable,
sidelights instead of the lights prescribed above, in international
waters only.
Figure 3
Sailboats and watercraft under oars: Sailboats less than 20
meters (65.62 feet) may exhibit the navigation lights shown in Figures
3 or 4.
2019 Malibu Boats, LLC Owner's Manual • Page 27
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Figure 4
Figure 5
Another option for sailboats is to use a single combination lantern
at the top of the mast as shown in Figure 5.
Figure 6
Sailboats less than 7 meters (22.96 feet) may carry an electric
torch or lighted lantern showing a white light to be displayed in
sufficient time to prevent collision (see Figure 6). If practicable
the lights prescribed for sailboats less than 20 meters should be
displayed. Watercraft under oars (such as a canoe) may display the
lights prescribed for sailboats, but if not, must have ready at hand an
electric torch or lighted lantern (flashlight) showing a white light to be
displayed in sufficient time to prevent collision (see Figure 6).