JO 7110.65 — Air Traffic Control
JO 7110.65 6-3-1
SEPARATION MINIMA
Separate a departing aircraft from an arriving aircraft making an instrument approach to the same airport by using one of the following minima until vertical or lateral separation is achieved:
TERMINAL. When takeoff direction differs by at least 45 degrees from the reciprocal of the final approach course, the departing aircraft takes off before the arriving aircraft leaves a fix inbound not less than 4 miles from the airport.
TERMINAL. When takeoff direction is other than in subparagraph a, the departing aircraft takes off so that it is established on a course diverging by at least 45 degrees from the reciprocal of the final approach course before the arriving aircraft leaves a fix inbound not less than 4 miles from the airport.
TERMINAL. When the absence of an appropriate fix precludes the application of subparagraphs a or b and at airports where approach control service is not provided, the separation in subparagraphs d or e must be applied.
When takeoff direction differs by at least 45 degrees from the reciprocal of the final approach course, the departing aircraft takes off 3 minutes before the arriving aircraft is estimated at the airport. (See FIG 6-3-1.) FIG 6-3-1 Separation Minima

When takeoff direction is other than in subparagraph d, the departing aircraft takes off so that it is established on a course diverging by at least 45 degrees from the reciprocal of the final approach course 5 minutes before the arriving aircraft is estimated at the airport or before it starts procedure turn. (See FIG 6-3-2 and FIG 6-3-3.) FIG 6-3-2 Separation Minima

FIG 6-3-3 Separation Minima

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Chapter 6. Nonradar 7110.65BB
7110.65 by Chapter Number Chapter 0. General Information Chapter 1. General Chapter 2. General Control Chapter 3. Airport Traffic Control - Terminal Chapter 4. IFR Chapter 5. Radar Chapter 6. Nonradar Chapter 7. Visual Chapter 8. Offshore/Oceanic Procedures Chapter 9. Special Flights Chapter 10. Emergencies Chapter 11. Traffic Management Procedures Chapter 12. Canadian Airspace Procedures Chapter 13. Decision Support Tools Chapter 14. Data Link Communications Appendix A Appendix B
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JO 7110.65BB by Topic
General Information Explanation of Changes
General Introduction
Terms of Reference
General Control General
Flight Plans and Control Information
Flight Progress Strips
Radio and Interphone Communications
Route and NAVAID Description
Weather Information
Altimeter Settings
Runway Visibility Reporting- Terminal
Automatic Terminal Information Service Procedures
Team Position Responsibilities
Airport Traffic Control - Terminal General
Visual Signals
Airport Conditions
Airport Lighting
Runway Selection
Airport Surface Detection Procedures
Taxi and Ground Movement Procedures
Spacing and Sequencing
Departure Procedures and Separation
Arrival Procedures and Separation
Helicopter Operations
Sea Lane Operations
IFR NAVAID Use Limitations
Clearances
Departure Procedures
Route Assignment
Altitude Assignment and Verification
Holding Aircraft
Arrival Procedures
Approach Clearance Procedures
Radar General
Beacon/ADS-B Systems
Radar Identification
Transfer of Radar Identification
Radar Separation
Vectoring
Speed Adjustment
Radar Departures
Radar Arrivals
Radar Approaches- Terminal
Surveillance Approaches- Terminal
PAR Approaches- Terminal
Automation- En Route
Standard Terminal Automation Replacement System (STARS)-Terminal
Nonradar General
Initial Separation of Successive Departing Aircraft
Initial Separation of Departing and Arriving Aircraft
Longitudinal Separation
Lateral Separation
Vertical Separation
Timed Approaches
Visual General
Visual Separation
VFR‐On‐Top
Approaches
Special VFR (SVFR)
Basic Radar Service to VFR Aircraft- Terminal
Terminal Radar Service Area (TRSA)-Terminal
Class C Service- Terminal
Class B Service Area- Terminal
Offshore/Oceanic Procedures General
Coordination
Longitudinal Separation
Lateral Separation
Offshore/Oceanic Transition Procedures
Separation from Airspace Reservations
North Atlantic ICAO Region
Caribbean ICAO Region
Pacific ICAO Region
North American ICAO Region
Special Flights General
Special Operations
Special Use, ATC-Assigned Airspace, and Stationary ALTRVs
Fuel Dumping
Jettisoning of External Stores
Unmanned Free Balloons
Parachute Operations
Unidentified Anomalous Phenomena (UAP) Reports
Emergencies General
Emergency Assistance
Overdue Aircraft
Control Actions
Miscellaneous Operations
Oceanic Emergency Procedures
Ground Missile Emergencies
Traffic Management Procedures General
Canadian Airspace Procedures General Control
Decision Support Tools ERAM - En Route
ATOP - Oceanic
Data Link Communications Terminal Procedures for Issuing Automated Clearances
En Route Controller Pilot Data Link Communications (CPDLC) - Domestic
Advanced Technologies and Oceanic Procedures (ATOP) - Oceanic Controller Pilot Data Link Communications (CPDLC)
Appendix A
Appendix B
Nonradar
Longitudinal Separation
Chapter 6. Nonradar
Section 4. Longitudinal Separation
Retrieved from ecfr.gov on July 20, 2026.