13 lesser-known flying rules: Emergency lights, blinds up during takeoff/landing, no regulated bathroom count, minimum equipment list.

13 lesser-known flying rules: 1) Emergency lights help passengers see exits & adjust to dark/smoke-filled cabins. 2) Blinds up during takeoff/landing for firefighter visibility & passenger/crew fire safety. 3) No regulated bathroom count on airliners; some short-haul jets reduce them. 4) Airlines must follow a minimum equipment list, with any missing/defective items causing non-flight until repairs.