No matter how often a fishing expedition is taken, pulling a boat down to the docks is an action that is taken a look at with trepidation. Bringing an expensive boat to where you are cruising off is a challenge to read this a regular driver, however taking a great fishing expedition would be a sufficient reason to find out how to do so carefully and securely. First off, have a look at your 4WD lorry. Make certain that it's completely gassed up and all the tires are filled properly. It's hard enough pulling into a gasoline station with a huge car; it would be difficult with a trailer and boat hitched up to it.
Take a look at the tires too. It would not do to get a flat on either the lorry or the trailer after you have actually hitched it up. Changing the tire on a totally filled trailer or a hitched lorry is enough to put the damper on any journey. Make sure that the trailer itself is well balanced. Position the boat carefully so it won't tip over or in reverse and the center of mass is low. Likewise check that the boat itself is balanced, with fuel and water tanks both equally filled so you do not have too much difficulty steering the trailer.
Double check the boat to see if it's secured well, in a minimum of 2 places. Usage cog straps to make the ties protect. Examine that the trailer's connections are secure which all the chains are attached. Use the surge brake on the trailer, and make sure that the tank is filled with brake fluid. When you're out and driving, use all the mirrors and make certain the 2 sides of the trailer are clear. When braking and don't make abrupt steering movements, give an allowance. Take additional care when placing the trailer when readying the boat for launch as soon as you get to the port. When you are doing this, have an individual guiding you. When the boat remains in the water, load on all your gear, fire up the trollling lures, set the bait, and get yourself prepared to catch some fish.