Tip in the vallecula.
Tip under epiglottis
Evaluation of the Airtraq and Macintosh laryngoscopes in patients at increased risk for difficult tracheal intubation* Anaesthesia, 2008, 63, pages 182-188
Forty consenting patients, who were deemed to possess at least three characteristics indicating an increased risk for difficulty ......
Laryngoscopy vs. Optical Stylet vs. Airtraq for Extubation Evaluation
Thomas C. Mort, M.D.
Anesthesiology, Hartford Hospital, Hartford, Connecticut
Couldn't visualize with either mac or miller [blade] attempts. I got an Airtraq from my locker and a novice used it and it passed what I call the "oh wow" test.