Briefing Map Route Leg Planning Notation (numbers) - ED Forums
 


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Old 12-07-2017, 02:34 AM   #1
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Default Briefing Map Route Leg Planning Notation (numbers)

Anyone know where I can read up more on the system of route planning used to mark the legs on the briefing maps:





I think that, in the first example, I am seeing the [strikeout]speed[/strikeout] distance above and time (? I think?) below, followed by the heading, while in the second example it's just bearing above and [strikeout]speed[/strikeout] distance below.

Is this standard notation in GA? Or just military? Or just Russian military aviation? Is it standardized convention as to what the number mean and how they are written? If so, why are these two maps different?

Last edited by Bearfoot; 12-07-2017 at 12:09 PM.
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Old 12-07-2017, 04:07 AM   #2
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I was wondering the same exact thing... I couldn't make heads or tails of it when trying the campaigns out...

My best guess was this in the top picture:

distance (KM)/Altituide x100(M) and the number to the side with the degree was the heading to fly to.

for example from Java to Leningori head 114 degrees for 59km altitude of 1600 M.

In the bottom photo my guess is this and why they are different I have no idea:

Heading(DEG)/Distance(KM) for example from waypoint 1 to 2 is head 249 degrees for 45 km

Those are my best guesses, i'm not exactly sure but I want to know what these really are too! Maybe then I can resume the campaigns because without understanding these notes I am lost as well.
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Old 12-07-2017, 05:56 AM   #3
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My understanding si this:
First picture, [time (min)]/[distance (km)] * heading
Second picture, heading/[distance (km)]

I'm not sure though.
My use of heading above might as well be track, true or magnetic I don't know. If you have missions corresponding to the pictures you can use the planing tool during briefing to measure distance and track and compare.
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Last edited by Holton181; 12-07-2017 at 06:01 AM.
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Old 12-07-2017, 06:07 AM   #4
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At a closer look I realized time and distance shall be swapped in my description above:

First picture, [distance (km)]/[time (min)] * heading

Second picture, heading/[time (min)]

I believe the small squares in the first one are 2km a side. I remember that mission.
WP2-WP3: 8km 2min
WP3-WP4: 6km 2min (massive climb takes longer time)
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Last edited by Holton181; 12-07-2017 at 06:13 AM.
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Old 12-07-2017, 10:47 AM   #5
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In the second picture I believe it's true heading/distance. I used those numbers along with the DISS coordinate calculator and it got me where I needed to be.
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Old 12-07-2017, 06:46 PM   #6
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Interesting. I thought this would have been documented somewhere, and I was one of the odd ones out that missed it! I've been digging through various navigation manuals, charts, etc., and have not seen this notation ... yet I vaguely remember seeing something like this in some sort of helicopter operations manual?
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Old 12-08-2017, 05:03 AM   #7
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I was confused by this as well. Using the ruler in the ME gave me distance (in km) that did not match any of the numbers.
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