Officer Derin De Vuono was put on administrative trial by the NYPD last month
He was accused of flying NYPD spy plane in a route shaped like male genitalia
The route then reportedly appeared on the NYPD's flight-tracking software
De Vuono agreed to forfeit five vacation days as punishment for the stunt
In July 2018, five pilots were disciplined for also flying a penis-shaped route
NYPD deploys $4million Cessna single-engine plane for specialized surveillance