Letter from the Committee to the Chief Executive of National Air Traffic Services Ltd (NATS)

Following your supplementary memorandum to the Committee, one of the Members of the Committee, Mr Richard Bacon MP, has requested some additional information relating to the hearing held on 18 November 2002.

The Committee would be grateful if you could provide a further note, addressing the following points:

-  Since 22 January 2002, for how many days has height capping been used at Swanwick where height capping was imposed by air traffic control as a flow control initiative?

-  When height capping has been used at Swanwick where height capping was imposed by air traffic control as a flow control initiative, between which hours was height capping used on each occasion?

-  Over the past three years, for how many days has height capping been used at West Drayton where height capping was imposed by air traffic control as a flow control initiative?

-  Over the past three years, when height capping has been used at West Drayton where height capping was imposed by air traffic control as a flow control initiative, between which hours was height capping used on each occasion?

3 April 2003