pointSixtyFive

INCREASED SEPARATION REQUIRED (ISR)

Pilot/Controller Glossary with JO 7110.65BB, Change 3, effective July 9, 2026 · Official text on faa.gov

Indicates the confidence level of the track requires 5 NM separation. 3 NM separation, 1 ½ NM separation, and target resolution cannot be used.

Also called ISR.

In the 7110.65

Used in 8 paragraphs of JO 7110.65BB.

  1. 1-2-6Abbreviations
  2. 5-5-4Minima
  3. 5-5-7Passing or Diverging
  4. 5-5-9Separation From Obstructions
  5. 5-6-3Vectors Below Minimum Altitude
  6. 7-7-3Separation
  7. 7-8-3Separation
  8. 7-9-4Separation