5-13-5. SELECTED ALTITUDE LIMITS
The display of Mode C targets and limited data blocks is necessary for application of Merging Target Procedures.
Sectors must ensure the display of Mode C targets and data blocks by entering appropriate altitude limits and
display filters to include, as a minimum, the altitude stratum of the sector plus:
-
1,200 feet above the highest and below the lowest altitude or flight level of the sector where 1,000 feet vertical
separation is applicable; and
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2,200 feet above the highest and below the lowest flight level of the sector where 2,000 feet vertical separation
is applicable.
- NOTE:
-
1. The data block, for purposes of this paragraph, must contain the Mode C altitude and call sign or beacon code
at a minimum.
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2. Exception to these requirements may be authorized for specific altitudes in certain ARTCC sectors if defined in
appropriate facility directives and approved by the respective service area operations directorate.