December 31, 2023:

Major Afro, 1970s style, Buddy Miles, full beard to match. Repeating obsessively two syllables which sound like "hadji".

Shaved skull, prison tats, drumming tat-a-tat-tat on a seatback a few rows behind.

Major Afro changes his message: "Mayday! Mayday! Mayday! Mayday!" A word I am inclined to comprehend.