Definition: Airport runways
A defined rectangular area on an airport prepared for the landing and take-off of aircraft with the following characteristics
i) Take-off run available ICAO
The length of runway declared available and suitable for the ground run of an aircraft taking off.
ii) Landing distance available ICAO
The length of runway which is declared available and suitable for the ground run of an aircraft landing.
Draft Glossary on Air Transport Statistics, 2001