After pressing "TERR" when flying low in mountainous areas I see blue dots, green dots (both small and large) and solid green.

 

I'd appreciate an explanation that would allowi me to decide if I'm too low or if I'm at a safe altitude.

 

Cliff

Boeing 737NG FCOM vol.2 15.10.10 (pdf page 1212).

 

Also, terrain "radar" is subject of NGX customer options, you can read more about that at PMDG 737NGX introduction manual, pages 0.00.61 and 0.00.62

Thanks g_precentralis......just what I wanted to know.

 

Cliff

The colour coding is similar to wx radar but with several densities of each colour being used. The simplified key is:

 

 

 

EGPWS Limitation

 

Do not use the terrain display for navigation.

Do not use within 15nm of an airfield not in the terrain database.