[Harnage]

Or you could change NoHudLog to 1. This will remove all of the messages in blue like engine overheat and enemy aircraft destroyed.

[game]
Arcade=0
HighGore=1
mapPadX=0.66875
mapPadY=-0.046875
viewSet=59
Intro=0
NoSubTitles=1
NoChatter=1
NoHudLog=1
NoLensFlare=1
iconTypes=3
eventlog=eventlog.lst
eventlogkeep=0
3dgunners=1
SubTitlesLines=4
ClearCache=1
TypeClouds=0