Interim report on the progress of airport-airline engagement on new runway capacity at Heathrow Airport - May 2017: Advice to the Secretary of State for Transport under Section 16 of the Civil Aviation Act 1982

This document is our latest update to the Secretary of State for Transport on how well Heathrow Airport Limited has engaged with and responded to the airline community on the appropriate scope, design and costing of new runway capacity at Heathrow Airport.