Aerion Supersonic, which had touted plans to build a $375 million jet-building facility at Orlando Melbourne International Airport, abruptly announced Friday it was shutting down, reports Florida Today. “The AS2 supersonic business jet program meets all market, technical, regulatory and sustainability requirements, and the market for a new supersonic segment of general aviation has been validated with $11.2 billion in sales backlog for the AS2,” a company statement released Friday afternoon said. “However, in the current financial environment, it has proven hugely challenging to close on the scheduled and necessary large new capital requirements to finalize the transition of the AS2 into production,” the statement said. [TRENDING: Fiancé