Hunter e36 • Boating Safety
4.14
One Prolonged Blast Warning Signal
One Short Blast Pass on my port side
Two Short Blasts Pass on my starboard side
Three Short Blasts Engines in Reverse
Five or More Blasts Danger Signal
  
Vessel
Notes Lights Less than 12 meters (39ft.) 12 (39ft.) meters to less 
than 20 (65 ft.) meters
Power
 This 
includes sail-
ing vessels 
under power 
and motor 
sailing
White Masthead Light  2 NM (3.7 km) see note  3 NM (5.6 km)
Sidelights or combination lights  1 NM (1.9 km)  2 NM (3.7 km)
sternlight  2 NM (3.7 km) see note  2 NM (3.7 km)
Sail
Sailing 
Vessels 
under sail 
alone
 Sidelights or combination 
lights
 1 NM (1.9 km)  2 NM (3.7 km)
sternlight  2 NM (3.7 km) see note  2 NM (3.7 km)
Table 1 Lighting Requirements