The flight is continually monitored throughout the cruise and pilots will swap roles at times to perform various duties such as lunch and comfort brakes. The duties are as follows:
- To monitor and communicate with Air Traffic Control.
- To monitor the systems.
- To check the weather at alternate destinations along the route just in case we need to land there instead of our destination.
- To monitor the en-route weather ahead if storms are forecast or turbulence reported by aircraft ahead.
- Check and cross check navigation systems to make sure they are accurate.
- Monitor the upper wind velocity.
- Monitor actual fuel consumption and compare this with the planned consumption to make sure we have enough to complete the journey without stopping to pick more up.
- To monitor for conflicting traffic and take evasive action.
- To check the weather and the anticipated arrival procedure at our destination.
- To plan our arrival, .
- Brief the arrival.
- Talk to the passengers over the PA system
Before the descent the aircraft is set up ready for the approach and the arrival is planned, programmed into the computer and the navigation aids are set up. The pilot flying briefs the monitoring pilot on the approach. Approach speeds are assessed and set on both pilots equipment. Both pilots will be aware of their duties and the descent profile.