Hey guys, I was just testing out the long ranges on this bird, and my route was taking me over Northern Alaska at this time, if it matters. When I got to this region, I got this symbol on the ND. I'll post a picture, it's on the top right, just to the left of the next waypoint and ETA of that waypoint. Does anyone know what it means? It's the part that says Grid 70 in the box. 

 

 

All the ND symbols are in FCOMv2. You are above 70N I bet, this is the grid heading indicator

Grid heading - displays above 70 degrees latitude. It's an alternate coordinate system used in the polar regions by some airlines.

Thanks guys, my educated guess was it had something to do with headings in the polar regions, but thank you for this. I've read quite a bit of the manuals, but I still have a lot left! But I love doing it, haha that's what you get on such a detailed aircraft.