Add successive departure separation (#149)

* Update separation.md * Update separation.md
vatnz-dev · Dec 1, 2024 · 45eefd0 · 45eefd0
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diff --git a/docs/controller-skills/separation.md b/docs/controller-skills/separation.md
@@ -96,6 +96,10 @@ Divergence, and therefore separation, is **deemed to exist when an aircraft is 3
 
 Some SIDs at NZAA, NZQN and NZWN have a 30 degree turn baked into the procedure to ensure divergence as soon as possible. Controllers may also achieve this by assigning a manual heading on departure. 
 
+#### Successive Departures to the Same Destination
+
+For successive departures on the same SID and bound for the same destination, allow a minimum of four minutes between them to avoid en-route and arrival sequencing problems down the track. For longer sector lengths, such sequenced departures should not be necessary.
+
 ### Wake Turbulence
 
 Controllers shall ensure that aircraft are protected against the effects of wake turbulence during take-off landing, or during cruise by applying the following rules: