Icelandic Volcanic Ash Disruption (Update 4)

Updated: 20th April 2010, 10:00 BST

In this post we will keep you updated on the latest information from the National Air Traffic Contol Service (NATS) and the Met Office regarding the Volcanic Ash situation currently affecting UK airspace.

Statement on Icelandic volcanic eruption: Tuesday April 20, 09:00

The situation regarding the volcanic eruption in Iceland remains dynamic and the latest information from the Met Office shows that the situation today will continue to be variable.

Based on the latest Met Office information, part of Scottish airspace including Aberdeen, Inverness and Edinburgh airports will continue to be available from 1300-1900 today, and also south to Newcastle Airport. Restrictions will remain in place over the rest of UK airspace below 20,000ft.

Overnight the CAA, in line with new guidance from the International Civil Aviation Organisation (ICAO) decided flights above the ash cloud will be permitted in the UK; between 1300-1900 this will enable aircraft movements above 20,000ft in UK airspace.

We will continue to monitor Met Office information and the situation is likely to change during the course of the day. We will make a further statement at approximately 1500.

NATS is maintaining close dialogue with the Met Office and with the UK’s safety regulator, the CAA, in respect of the international civil aviation policy we follow in applying restrictions to use of airspace.

We are working closely with Government, airports and airlines, and airframe and aero engine manufacturers to get a better understanding of the effects of the ash cloud and to seek solutions.

Where is the ash cloud?

Please see below the latest forecast map showing the area of the ash cloud. The red area indicates no take off or landing, as the ash cloud is below 20,000 ft. However, it may be possible to overfly these areas at an altitude greater than 20,000 ft. Blue and green areas indicate the ash cloud is above 20,000 ft, and so no overflights are possible.

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