Regulations and Government
FAA Aligns North Atlantic Nav Ops with ICAO Specs
Revisions are required because the ICAO NAT Region is transitioning from the MNPS navigation specification to performance-based navigation specs.

Rules covering Part 91 operations of U.S.-registered aircraft over the North Atlantic have been updated to remove obsolete material and align with ICAO standards covering the North Atlantic Track (NAT) minimum navigation performance specifications (MNPS). Revisions to Part 91 are required because the ICAO NAT Region is transitioning from the decades-old MNPS navigation specification to a more modern performance-based navigation (PBN) specification.