Large 'wasp' like insect

Large 'wasp' like insect

Observation - Large 'wasp' like insect. Description: About 3 cm long. Initial thoughts of woodwasp or hornet, but neither look right. Very loud buzzing noise as it flew. Any thoughts?

About 3 cm long.
Initial thoughts of woodwasp or hornet, but neither look right.
Very loud buzzing noise as it flew.
Any thoughts?