I also had a crash after shut down and parking the crash report said it was ATC Brain crash:
Falcon BMS.exe caused an EXCEPTION_ACCESS_VIOLATION in:
0000000004CF8B69 Falcon BMS.exe, ATCBrain::FindBestLandingRunway()+41 byte(s), E:\WIP\BMS\Repo\bms-code\CAMPAIGN\CAMPLIB\atcBrain.cpp, line 5505
Exception handler called in UnhandledExceptionHandler.
Read from location 00000000ffffffff caused an access violation.
Bytes at CS:RIP: 48 8B 41 10 41 0F B6 D9 F3 44 0F 10 05 9E CC 15
I had another crash occur after landing but it happened after hitting end mission. Not sure if its related?