This NAP lists the preferred departure flight paths to be used by different aircraft throughout the day.

Aircraft generally depart under Instrument Flight Rules (IFR) at Brisbane Airport via either a Procedural Standard Instrument Departure (SID) or a Radar SID:

• A procedural SID is a published route aircraft use to safely travel through the busy airspace surrounding airports. Aircraft follow this route from departure to where they transition to the enroute (high-level airspace) phase of their flight. Procedural SIDs act like a road, providing an established path for aircraft to track along. They make separation from other aircraft easier and air traffic control more predictable.
• A radar SID is a type of departure where Air Traffic Control (ATC) instructs the pilot to travel towards an assigned compass heading (i.e. a direction) once they reach a nominated height. The compass heading depends on the direction of travel but is also used to safely separate aircraft in the same vicinity. The use of Radar SIDs means aircraft are directed individually by ATC over a wide area. This means more residences may be overflown and with less predictability than if procedural SIDs were in use.

It is important to note that jet aircraft may be cleared via a radar SID when required for weather, traffic management, or when a pilot cannot accept a procedural SID. When this occurs, aircraft will be directed as closely as possible to comply with the applicable day or night operations NAP.

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The below report provides the percentage adherence to the departure flight path conditions of the NAP.