North Atlantic Operations

High Level Airspace (NAT HLA)

The airspace is formerly known as the “North Atlantic Minimum Navigational Performance Specifications Airspace”, in other words, NAT MNPS area, was renamed to North Atlantic High-Level Airspace, or in short: NAT HLA. The airspace of the North Atlantic, which links Europe and North America, is the busiest oceanic airspace in the world. Our HLA course explains the basic rules and guidelines on how to perform a safe operation across the NAT HLA area.

Screenshot showing North Atlantic Operations High Level Airspace course for the airline flight crew and flight instructors.

DURATION

~ 1 hour 10 minutes

INTENDED FOR

Flight Crew
Flight Instructors

REGULATORY COMPLIANCE

EASA, ICAO, IATA

Learning Objectives

Required equipment for operation
ATC clearances and communication
Navigational procedures and separation
Gross Navigational Error (GNE)
Contingency procedures
Human factors

Contents of the course

1. Introduction

2. The Vertical and Horizontal Limits of the NAT HLA Airspace

3. Operational Approval and Aircraft System Requirements for Flight in the NAT HLA

4. Procedures in the Event of Navigation System Degradation or Failure

5. Flight Crew Training

6. The Organised Track System (OTS)

7. Other Routes and Route Structures within or Adjacent to the NAT HLA

8. Oceanic ATC clearances

9. NAT HLA/MNPS Flight Operation & Navigation Procedures

10. Complacency and Flight Procedures Errors

11. Special Procedures for In-Flight Contingencies

Screenshot showing North Atlantic Operations High Level Airspace course for the airline flight crew and flight instructors.

Course References

ICAO NAT Doc. 007. NORTH ATLANTIC OPERATIONS AND AIRSPACE MANUAL V.2017-1