What: The North Atlantic High Level Airspace (NAT HLA) is a large portion of the airspace of the North Atlantic region with its own set regulations. It is also considered the busiest oceanic airspace in the world.
Where: The NAT HLA is between FLs 285 and 420 inclusive.
Who: The North Atlantic airspace is controlled by six Oceanic Control Areas (OCAs) each managed by different ICAO member states:
When: In February 2016, this designated airspace transitioned from Minimum Navigation Performance Standards (MNPS) to HLA.
Why: This transition was in response to the transition from capability-based (MNPS) to Performance-Based Navigation (PBN).
How: The North Atlantic Level Airspace course will help you become better acquainted with the route structures, communication tactics, procedures, and contingency plans specific to operation across the NAT HLA area.
This course covers the structure of airspace, aircraft equipment requirements and separation standards used by Air Traffic Control in NAT HLA Operations.
Included are the route structures used in NAT HLA operations, communication procedures, normal flight procedures and contingency procedures.
Module 1: Special Use of Airspace Including NAR HLA and MNPS
Module 2: Route Structures
Module 3: Communications
Module 4: Normal Procedures
Module 5: Contingency Procedure
The course length is 1-2 hours. Each module has exam-generated system banked questions as well as reference material. Regulatory compliance with ICAO / EASA / FAA / Transport Canada and maintains compliance with IOSA standards.
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