crash on shooting down helicopter Thread - S.T.A.L.K.E.R.: Call of Chernobyl mod for S.T.A.L.K.E.R.: Call of Pripyat

I'm playing CoC V1.4.22, about 1 hour into the game.
All was going well, until I decided to shoot down a helicopter that was harrying me... took me awhile to do it, but finally succeeded.
I watched the helicopter plummet to the ground in flames, but just as it hit, the game crashed.

My system:
Intel i7-3820 (Sandybridge-E)
32GB RAM
plenty of available disk space, running on SSD
Windows 7 Pro, 64-bit

Installed mods:
> Arsenal Overhaul 3.1 ( you must install this add-on first )
> Outfit Addon 1.4.7 ( adds 26 new suits )
> the included AO Patch that comes with Outfit Addon.

Headbob reduction
Artefact Expansion v1.32 - including AO+OA Compatibility Patch
Better Night Vision.
Universal Stalker Higher Damage

More Fast Travel Locations
PhotoRealisticZone

I'll include the log file at the end (all 6500 lines of it!!), but first, here are the only error lines that I see:
sadly, there are no timestamps on anything, so don't know what is relevant here...

SOUND: Selected device is Generic Software
* sound: EAX 2.0 extension: absent
* sound: EAX 2.0 deferred: absent
* sound : cache: 65537 kb, 4856 lines, 13820 bpl
! sound: OpenAL: Can't create source. Error: Invalid Value.
! SOUND: OpenAL: Max targets - 256

[LSS] Spawning object [mar_treasure_44][inventory_box][154]
! ERROR on rejecting: entity not found. parent_id = [0], entity_id = [30981], frame = [81879].
[LSS] Spawning object [mar_treasure_23][inventory_box][125]
! ERROR on rejecting: entity not found. parent_id = [0], entity_id = [31755], frame = [84842].
! WARNING: SV: can't find children [20322] of parent [384454384]

# here is the full error log file:
(unfortunately, I cannot paste the entire 473KB log file here)

Okay, I appear to have fixed this. Based on the comments about EAX in the error log, I just disabled EAX in my play-through.
Now, when I shoot down a helicopter, the explosion is silent, and no crash occurs.