Climb now in UK airspace
Hi all, Two different versions of the same scenario where a climb is issued by ATC in the UK whilst below one or more SID clearance altitudes. Can anyone advise which is up to date (there is even confusion in the ATC forum on what should be a simple (and important question). I know what I believe is current but all input gratefully received. Quote from UK AIP ENR 1.1: Quote: 3.2.2.2 When a departing aircraft on a SID is required to climb directly to the cleared level without complying with the published vertical restrictions on the SID, ATC will include the word ‘now’ in climb instructions (e.g. Jet 347 climb now FL 120). Is it superseded by this “ GEN 1.7-46 UNITED KINGDOM AIP27 Jun 2013 GEN 1.7 DIFFERENCES FROM ICAO STANDARDS, RECOMMENDED PRACTICES AND PROCEDURES (continued) Chapter 6 Separation in the vicinity of Aerodromes 6.3.2.4 When a departing aircraft on a SID is cleared to climb to a level higher than the initially cleared level or the level(s) specified in a SID, the aircraft shall climb directly to the cleared level, unless the SID vertical restrictions are reiterated as part of the clearance.” |
Those two paragraphs don’t conflict. |
Originally Posted by AerocatS2A
(Post 10500022)
Those two paragraphs don’t conflict. |
The first says you need to be told “climb now” the other says any climb clearance not insignificant. |
Originally Posted by RMC
(Post 10501144)
The first says you need to be told “climb now” the other says any climb clearance not insignificant. To answer your question though, my opinion is that a description of ICAO differences does not override the actual rule that is different. ICAO differences in your airway manual are there as a quick reference to the rules in a specific airspace, but they aren’t the rules and might miss some subtleties. |
FAA vs EASA vs UK Exemption
Four different ways a SID Altitude is cancelled (there are others) but [1] In the USA “Climb and maintain” [2] in the Canaries you must hear “climb unrestricted” [3] some UK controllers adhere to “climb now” to cancel. [4] others just use climb FL / ALT XYZ and get irritated if you request confirmation. In other words UK controllers are using two different standards for a critical clearance. |
If ATC says 'Climb now' then any level restrictions on the SID are cancelled. If they tell me to climb FLXXX then I do so but still, comply with the SID restrictions. That's my understanding of it.
If you look at SID flying out of London, it makes more sense. |
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