6-7-5

Interval Minima

JO 7110.65BB, Change 3, effective July 9, 2026 · Official text on faa.gov

Except as provided in subparagraph b, use a 2‐minute or a 5‐mile radar interval as the minimum between successive approaches.
Reference

FAA Order JO 7110.65, Para 5-9-5, Approach Separation Responsibility.
FAA Order JO 7110.65, Para 6-7-1, Application.
FAA Order JO 7110.65, Para 6-7-2, Approach Sequence.

WAKE TURBULENCE APPLICATION
EN ROUTE. Use the following time or radar interval as the minimum interval:
1. Behind super:
  1. Heavy - 3 minutes or 6 miles.
  2. Large - 3 minutes or 7 miles.
  3. Small - 4 minutes or 8 miles.
2. Small behind heavy - 3 minutes or 6 miles.
TERMINAL. Use the following times or radar intervals as the minimum:
1. Behind Category A aircraft:
  1. Category B, C, or D aircraft – 3 minutes or 6 miles.
  2. Category E, F, or G aircraft – 3 minutes or 7 miles.
  3. Category H or I aircraft – 4 minutes or 8 miles.
2. Category H or I aircraft behind Category B, C, or D aircraft – 3 minutes or 6 miles.
Increase the interval as necessary, considering the following:
1. Relative speeds of the aircraft concerned.
2. Existing weather conditions.
3. Distance between the approach fix and the airport.
4. Type of approach being made.