Speedlines like the one above comes in two sizes (230 & 250)
The 230 can fire a line a minimum distance of 230 metres
The 250 can fire a line a minimum distance of 250 metres
They have to be in a water-tight casing
Serviced every 3 years

Check to see how many of these you have in your vessel.

To operate the speedline use the following instructions;

(1) Take of the top lid

(2) Take the Manilla (Brown Hairy Rope) and make it fast to a strong point on the vessel, (You can attach it to another rope if required and attach the other end of this rope to a strong point on the vessel)

(3) Rest the Speedline on the sea side of the ships rail and aim the Speedline in the direction that you intend to fire it

(4) There is a red Arrow on the handle of the speedline, this arrow should point to the horizon, the speedline will be at the correct angle to get the maximum distance for the line inside the speedline

(5) Pull out the safety pin

(6) Pull the trigger

(Caution, before pulling the trigger, make sure there is no personnel in the direct line of where the rocket is going to go)

Check the animation on firing a speedline here