There is no confirmed "b046.mp4" mystery or horror story. The term may be confused with other famous internet "file name" mysteries, such as: FAA B046 RVSM LOA Job Aid
: While the U.S. has streamlined some RVSM requirements, most foreign countries still require a specific B046 LOA for aircraft to operate in their RVSM airspace. Internet Mystery/Creepypasta Clarification b046.mp4
: To obtain a B046 LOA, operators must provide the FAA with specific documentation, including: There is no confirmed "b046