737 and md80 ATC climb and maintain error

0 votes
asked Dec 29, 2017 by Boeingnerd (12 points)
I seem to be having trouble with the ATC when leveling off at my cruise altitude. I set the barometric pressure and the md80 and 737 will indicate that I am at cruising altitude of lets say FL300. However the ATC tunes in every minute telling me to climb and maintain FL300. Its so annoying I cannot continue to use the ATC services without being harassed about my flight level. is this a bug or am I doing something wrong?

2 Answers

0 votes
answered Dec 29, 2017 by 1ofthe3amegos (20 points)
Did you readback the transmission? If you did not do this thats why your having troubles.
commented Dec 29, 2017 by Boeingnerd (12 points)
Yes I have read back the message and they continue to bark back climb and maintain orders
0 votes
answered Jan 1 by Chesh74uk (16 points)
Try setting your pressure to 2992 or whatever atc recommend, if it’s a few points out it can put your altitude out by more than 300ft which will trigger the atc alert. I often get this if using real weather as the pressure changes quite quickly.
commented Jan 2 by marys54 (40 points)
Flying at flight level (FL) requires you to set the standard altimeter setting of 29.92inHg or 1013hPa in Europe, not the regional altimeter or QNH.

When you are instructed to climb/descent to ALTITUDE, you have to set the regional altimeter/QNH, FLs always require 29.92/1013.

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