The pilot's failure to maintain proper runway alignment upon encountering a wind gust, and his subsequent failure or inability to maintain clearance with a tree during a go-around attempt. Factors included a short and narrow airstrip, gusty wind conditions, and a tree in the vicinity of the airstrip.

the pilot's failure to select a cruise altitude which would ensure adequate terrain clearance. Contributing factors related to the dark, nighttime condition and to the pilot's lack of attentiveness.