Vy

Various years.
Found on http://www.encyclo.co.uk/local/20208

Vy

Velocity Across Heading
Found on http://www.tornado-data.com/siteinfo/glossary.htm

VY

VY can mean one of the following: Vy is a part of the name of communes of the Haute-Saône department in France: ...
Found on http://en.wikipedia.org/wiki/VY

VY

best rate of climb speed on all engines.
Found on http://airodyssey.net/reference/glossary/
No exact match found