The touchdown zone is the first 3,000 feet of the runway or the first third of the runway, whichever is less, measured from the threshold in the direction of landing.
Declared landing distance available (LDA) | Location of aiming point marking distance from threshold (m) |
---|---|
Less than 800 m | 150 |
800 m up to but not including 1,200 m | 250 |
1,200 m up to but not including 2,400 m | 300 |
2,400 m or more | 400 |