If coordination between the controllers concerned has not been effected, separate radar-controlled aircraft from the boundary of adjacent airspace in which radar separation is also being used by the following minima:
When less than 40 miles from the antenna- 1 1/2 miles.
When 40 miles or more from the antenna- 2 1/2 miles.
EAS:
(a) Below Flight Level 600- 2 1/2 miles.
(b) Flight Level 600 and above- 5 miles.
Separate radar-controlled aircraft from the boundary of airspace in which nonradar separation is being used by the following minima:
When less than 40 miles from the antenna- 3 miles.
When 40 miles or more from the antenna- 5 miles.
EAS:
(a) Below Flight Level 600- 5 miles.
(b) Flight Level 600 and above- 10 miles.
The provisions of subparas a and b do not apply to VFR aircraft being provided Class B, Class C, or TRSA services. Ensure that the targets of these aircraft do not touch the boundary of adjacent airspace.
VFR aircraft approaching Class B, Class C, Class D, or TRSA airspace which is under the control jurisdiction of another air traffic control facility should either be provided with a radar handoff or be advised that radar service is terminated, given their position in relation to the Class B, Class C, Class D, or TRSA airspace, and the ATC frequency, if known, for the airspace to be entered. These actions should be accomplished in sufficient time for the pilot to obtain the required ATC approval prior to entering the airspace involved, or to avoid the airspace.
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