(a) When only Category I aircraft are involved--3,000 feet.
(b) When a Category I aircraft is preceded by a Category II aircraft--3,000 feet.
(c) When either the succeeding or both aircraft are Category II aircraft--4,500 feet.
(d) When either aircraft is a Category III aircraft--6,000 feet.
Figure 2-15. Departure separation by aircraft category
(3) A preceding landing aircraft has taxied off the runway (Figure 2-16).
Figure 2-16. Departure separation by taxiing off the runway