takeoff {Ans: the process in which the aircraft leaves the ground}line check {Ans: an observation by a qualified check fa during which a fa is required to demonstrate his her proficiency in all areas of duties and responsibilities}lav {Ans: lavatory; restroom}nose {Ans: forward most tip of the aircraft}no-show {Ans: a revenue passenger who does not appear at flight time and who did not cancel his reservation may also refer to a crew member who does not report for an assignment as scheduled}log book {Ans: used for keeping record of flight times duty times, flight number, fellow crew name and any other information}