8-7-4
Lateral Separation
JO 7110.65BB, Change 3, effective July 9, 2026 · Official text on faa.gov
In accordance with Chapter 8, Offshore/Oceanic Procedures, Section 4, Lateral Separation, apply the following:
- 23 NM to approved aircraft (at a minimum, RNP 4, RCP 240, and RSP 180) operating within airspace designated for 23 NM lateral separation when direct controller/pilot communications via voice or Controller Pilot Data Link Communications (CPDLC), and the required ADS-C contracts are maintained and monitored by an automated flight data processor (e.g., ATOP).
- 50 NM between Required Navigation Performance (RNP 4or RNP 10) approved aircraft that operate in the New York Oceanic CTA/FIR or the San Juan Oceanic CTA/FIR or the Atlantic portion of the Miami Oceanic CTA/FIR.
- 60 NM or 1 degree latitude between:
- Supersonic aircraft operating above FL 275.
- Aircraft which have MNPS or NAT HLA authorization and which:
- Operate within NAT HLA; or
- Are in transit to or from NAT HLA; or
- Operate for part of their flight within, above, or below NAT HLA.
- 90 NM or 1 and 1/2 degreeslatitude between aircraft not approved for RNP 4 or RNP 10 and which:
- Operate on routes or in areas within WATRS, the San Juan CTA/FIR or the Atlantic portion of the Miami CTA/FIR;
- Operate between points in the U.S. or Canada, and Bermuda;
- Operate west of 55° West between the U.S., Canada, or Bermuda and points in the Caribbean ICAO Region.
- 120 NM or 2 degrees latitude between aircraft not covered by subparagraphs a, c or d above.