NTZ. An NTZ is established and depicted on the FMA as a
protected zone 2,000 feet wide, equidistant between parallel
runway centerlines, beginning from the point where adjacent
inbound aircraft first lose 1,000 feet of vertical separation,
and extends to 0.5 NM beyond the farthest departure end of runway
(DER), or the point where a combined 45 degrees divergence
occurs, whichever is farthest. The beginning of the NTZ for the
final segment should begin at the most distant precision final
approach fix (PFAF)
NOZ. An NOZ is established so that the NOZ for each close
parallel runway is not less than 700 feet wide on each side of
the approach course at any point. For the offset localizer case,
an NOZ is established so that the NOZ for each close parallel
runway is not less than 500 feet wide on each side of the
approach course at any point. The width of the NOZ is equal on
each side of the final approach course centerline, and the
half-width is defined by the distance from the nearest edge of
the NTZ to the final approach course centerline. The length of
the NOZ equals the length of the NTZ. Each parallel runway
provides a NOZ for the final and missed approach segments that
equal the length of the NTZ
Reference: FAA 8260.39A