Navigation and Seamanship

5.2.6. Line Throwing Appliance

 

                Line-throwing appliance is lifesaving appliance for use in any emergency situations where a line is required between two vessels or between vessel and shore for transfer of persons or goods. There are many types of line throwing appliances are available in the market, but all of them have a projectile attached to one end of a long thin line which can run out freely. Different techniques are used to propel the projectile. Rockets are commonly used to propel the projectile.

Every line-throwing appliance shall

a) be capable of throwing a line with reasonable accuracy;

b) include not less than four projectiles in a pack, each capable of carrying the line at least 230 m in calm weather

c) include not less than four lines each having a breaking strength of not less than 2 kN

d) have brief and simple instructions with suitable diagrams clearly illustrating the use of the line-throwing appliance

e) be contained in a water resistant casing for pistol-fired rocket