Nothing too specific about the gameplay; just flying around when the game crashed. See the image.
MC-44599
Crash in-game
Resolved
Duplicate
0
Christian Tschoepe
(Unassigned)
Unconfirmed
crash
Minecraft 14w02c
Retrieved
This is a technical support issue, please follow the instructions of this guide: Exit Code: -805306369. If all that won't help, please use the Mojang Support Center.