The Hurricane is considerably slower than it should be.....
~237mph TAS vs ~268mph TAS
The thread:
http://forum.1cpublishing.eu/showthread.php?t=32523
The Hurricane performance we should see in game:
http://forum.1cpublishing.eu/showpos...3&postcount=22
I would use the same method of converting the data found in the game for conditions. There is also a slider control to change atmospheric conditions in game to standard as I understand.
The lapse rate in game is ~1.98C per 1000 feet.