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joegrundman · 10-02-07, 02:50 AM

Let's say you have a of heading 045. You see a ship on your periscope view of 060. You determine it's AOB as Port 55 using the Aspect ratio method.

OK Set you true course to the triangle as follows

Next you set the long thin indicator arm to 60 on the PEeilung rad. the other end of the indicator arm shows the true bearing to the target relative to north. This can be used for plotting

You can clearly see that the true bearing to target is 105.

Next turn the lage wheel until the AOB crosses the indicator arm - note the example so you realise which side of the arm it needs to cross

In this example, the AOB is port 55. Now look at the yellow boat. It is pointing at 340. This is the target's true course.

10-02-07, 02:50 AM	#28
joegrundman Ocean Warrior Join Date: May 2007 Posts: 2,689 Downloads: 34 Uploads: 0	The front side Let's say you have a of heading 045. You see a ship on your periscope view of 060. You determine it's AOB as Port 55 using the Aspect ratio method. OK Set you true course to the triangle as follows Next you set the long thin indicator arm to 60 on the PEeilung rad. the other end of the indicator arm shows the true bearing to the target relative to north. This can be used for plotting You can clearly see that the true bearing to target is 105. Next turn the lage wheel until the AOB crosses the indicator arm - note the example so you realise which side of the arm it needs to cross In this example, the AOB is port 55. Now look at the yellow boat. It is pointing at 340. This is the target's true course. __________________ "Enemy submarines are to be called U-Boats. The term submarine is to be reserved for Allied under water vessels. U-Boats are those dastardly villains who sink our ships, while submarines are those gallant and noble craft which sink theirs." Winston Churchill