Found while played: Arma3 Showcase "Attack helicopters" (CSAT Mi48 Kajman)
When being at first person view in helicopter that has reflection of current in-game time in digital format on the cockpit or the HUD (HUD should be visible) during time change:
from 18:59:59 to 19:00:00
or from 12:59:59 to 13:00:00 (reproducible with second scenario, see below)
(more time-change range variations are possible)
results in game crash with error 0x000000FF - Unknown.