SID mandatory ?

Stijn Lammens • 1 December 2021
in community General Aviation
2 comments
1 likes

Hi community !

A simple question:  Are SIDs mandatory to be flown in class G airspace ?  Let's say that the competent authority doesn't mandate it via AIP or any other publication.

Can you point towards the relevant legislation in your argument ?

Thanks !

Comments (2)

Lars-Henrik Eriksson

The relevant legislation is NCO.OP.115 which applies to departure and approach procedures.

NCO.OP.115 Departure and approach procedures - aeroplanes and helicopters
(a) The pilot-in-command shall use the departure and approach procedures established by the State of the aerodrome, if such procedures have been published for the runway or FATO to be used.
(b) The pilot-in-command may deviate from a published departure route, arrival route or approach procedure:
(1) provided obstacle clearance criteria can be observed, full account is taken of the operating conditions and any ATC clearance is adhered to; or
(2) when being radar-vectored by an ATC unit.

I take this to mean that IF you are departing in class G, AND there is one or more SIDs for the runway in question and there is not ALSO an omnidirectional departure procedure, THEN you have to follow a SID. On the other hand you may deviate from the SID under the given conditions. Of course, in class G there is no ATC clearance to consider. (But you may have a clearance that mandates a specific point of entry into controlled airspace.)

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