cbar=8000.0 # distance that city blocks resolve (n = meters) (def = 500)
fs=1 # full screen mode (0 = window mode, 1 = full screen mode) (def = 1)
mfr=100 # maximum visual frame rate (n = frame rate) (def = 30)
32bit=1 # 32-bit rendering (0 = off, 1 = on) (def = 1)
nrt=0 # rendering to texture (0 = enabled, 1 = disabled) (def = 0) (disable in case of visual problems with MFDs or TADS)
notnl=1 # GeForce "TnL" support (0 = enabled, 1 = disabled) (def = 0)
nodx9zbufferfix=0 # Disable the dx9 zbuffer fix introduced in 1.11.1. In case it causes graphical problems
3dreset=0 # reset screen resolution to 640x480 (0 = off, 1 = on) (def = 0)
dxtm=0 # DirectX texture management (should fix "unable to allocate hardware slot" error) (0 = off, 1 = on) (def = 0)
cg=0 # (clean graphics) re-installs graphics files (0 = off, 1 = on) (def = 0)
palette=0 # use textures.pal (if videocard supports it) (0 = off, 1 = on) (def = 0)
render-shadows=2 # (0 = off, 1 = all objects except trees, 2 = all objects) (def = 2)
trees-fog=2 # fog affects groups of trees (0 = off, 1 = on, 2 = auto off when fps less than 20, auto on when fps more than 30 ) (def = 2)

high_lod_hack=2 # Quality of models at far distances and objects draw distance (Alt + L) (0 = low/default, 5 = high/max) (def = 0)
eo_models_quality=5 # Quality of models on the EO screen (Shift + L) (0 = low, 5 = high) (def = 2)
dwash=1 # rotor downwash (dust) (0 = off, 1 = on) (def = 0)
blurred_rotor_blades=0 # Blurred main rotor blades (Shift + R) (0 = disabled, 1 = enabled) (def = 0)
restricted_nvg_fov=1 # night vision restriction (0 = off, 1 = on) (def = 1)
russian_nvg_no_ir=0 # russian night vision has no FLIR (0 = off, 1 = on) (def = 0)
colourmfd=1 # MFDs will use colour when available (0 = off, 1 = on) (def = 1)
advanced_mfd=1 # Alternative MFD symbology (Mi-28, Ka-50, Ka-52) (0 = off, 1 = on) (def = 1)
highreshud=1 # high resolution HUD (0 = off, 1 = on) (def = 1)
tsdrender=3 # TSD render options (0 - 4) (def = 0 (contours only))
tsdpalette=2 # TSD palette options (0 - 2) (def = 0)
tsdenemy=1 # TSD showing red force blue force colours (0 = off, 1 = on) (def = 1)
tsddetail=1 # TSD in high detail (0 = off, 1 = on) (def = 0)
texture_colour=2 # Use texture colours and noisemaps directly. [WARNING!] Use only with correct texture packs. (0 = off, 1 = on, 2 = also use noisemap for higher resolution) (def = 0)
texture_filtering=1 # [EXPERIMENTAL!] texture blending (reacts to anisotropic filter setting) (0 = off, 1 = on) (def = 0)
mipmapping=1 # mipmapped textures (dds files). [WARNING!] Use only with correct texture packs. (0 = off, 1 = on) (def = 0)
dynamic_water=1 # dynamic water textures (0 = off, 1 = on) (def = 0)
night_light=0.8 # night light darkness level (0.0 - 1.0) (0.0 = fully dark, 1.0 = less dark) (def = 1.0)
max_smoke_time=30 # Smoke and flame maximum time of life, affects only smokes with larger value (1 = 1 minute, 60 = 1 hour) (def = 30)
smoke_optimization=1 # Smoke generators quantity optimization (0 = disabled, 1 = enabled) (def = 1)
cloud_puffs=1 # Cloud puffs. (0 = off, 1 = all maps except desert, 2 = all maps) (def = 1)
cloud_puffs_colours=160,160,160;180,180,180;200,200,200;220,220,220;240,240,240;255,255,255 # colours for cloud puffs
themes=2 # comma-separated list of directories for alternate psd files

is EEAH installed (shouldn't be a problem but who knows)?
it looks like some sort of cockpit lighting problems, try to set notnl=0.