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ATC Annotation on SID

Asked by: 2113 views Airspace, FAA Regulations

I understand that the ACT annotation is in the process of being removed from SID procedures.  Until this annotation is removed, I would like clarity on the ATC annotation protocol in addition to what is published in the AIM.

Reference TRALR FOUR DEPARTURE (KLAS) Las Vegas Mc Carron

Regarding the ATC annotation at ROPPR: If ATC wants you to be at or below 7000 at ROPPR, how is this phrased in the ATC clearance?

My understanding is that the ATC annotation is part of the SID clearance unless stated/amended otherwise by ATC. Such as “…cleared to ABC airport, TRALR Four departure, etc….”. In this example, ATC made no mention to cross ROPPR at a different altitude. Am I correct?

If ATC wanted you cross ROPPR at a different altitude, clearance by ATC would have to specifically state the specific altitude: “…..cleared to ABC airport, TRALR Four departure, cross ROPPR at 6000, etc…..”. Am I correct?

Any feedback is always appreciated.



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1 Answers

  1. Wes Beard on Apr 08, 2013

    The altitude clearance ATC gives you always trumps what is on the chart.

    Cleared to XXX airport via TRALR 4 departure climb and maintain FL190 feet expect FL350 10 min after departure…. ATC wants you to climb and maintain 19,000 feet and wait for another climb to be issued.

    Once you are talking with depature control they will issue a command statiing “CLIMB VIA” TRALR 4 depature which implies meeting all the crossing restrictions on the SID or simply say climb to FL350 which means climb, climb, climb and don’t worry about the crossing restrictions.

    The magic words for RNAV SIDs and STARs is “CLIMB VIA” or “DESCEND VIA” and that tells the pilot to follow the altitudes on the chart.

    Most of the time, the controller will just tell you to cross a waypoint at a certain altitude.

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