Here are prominent references addressing the necessity for the Strategic Lateral Offset Procedure and how and where it can be flown: International Civil Aviation Organization, Document 4444, Air Traffic Management (PANS-ATM), Chapter 16 (“Miscellaneous Procedures”), Paragraph 5. This is the source document for the justification, implementation, definition, and execution of the Strategic Lateral Offset Procedure in oceanic and “remote continental” airspace. The section is short and to the point, including:

It took a data link mandate in the North Atlantic and, finally, pressure from airframe OEMs and operators, but avionics manufacturers are stepping forward with Future Air Navigation System 1/A options and upgrades to allow customers continuous unimpeded access to prime aerial real estate in the North Atlantic region, especially on the Organized Track System. (See “CPDLC: Texting for Pilots,” October 2013 B&CA, page 80.)

How can you protect yourself or your employer from the fate of Avantair's program participants? Begin with due diligence. “The structure of Avantair was very unusual in terms of their customer contracts and their capacity to deal with the situation they ultimately wound up in,” said Mike Riegel, president of Aviation IQ, a California-based consultancy. “Their contracts do not guarantee liquidity. All the major providers do. So this is obviously something to look at when considering a provider, especially one that is also operating a charter card program.”