Air India A320 issued stall warning when seatbelt signs off, injuring 24, investigators say ↧ ↧ Air India A320 issued stall warning when seatbelt signs off, injuri... An Air India A320 flying from Phuket to New Delhi last month issued a stall warning when ‌seatbelt signs were off, while a rapid pitch up and then down threw passengers and cabin crew against overhead bins and injured 24 people, Indian investigators said.