North Atlantic Operations How To Guide For Pilots

The procedures in this guide apply to NAT HLA operation and not flight above FL 420 or below FL 280 or on the Blue Spruce or Tango route or a flight with special authorization due to it being a humanitarian , or ferry flight.
 
For procedures relating to these types of operation refer to the NAT HLA doc 007 or state AIPs.
 
If there is conflicting information in this guide verses official documentation always use the latter.
 
We hope you find this guide useful.