What does NTZ stand for?

Normml Transformation Zone

Northern Temperatz Zone

North Temperate Zone

Northttropical Zone

No Treatment Zones

Nuclear Testing Zone

Nuclear Transitory Zone

Industrie Natuzzi, S. P. A.

No Transgression Zone

In the context of independent parallel approaches, a corridor of airspace of defined dimensions located centrally between the two extended runway centre lines, where a penetration by an aircraft requires a controller intervention to maneuver any threatened aircraft on the adjacent approach.