Specifications include, but are not limited to: THE SURVEY COLLECTORS MUST BE REGISTERED AND TRAINED WITH ACI ASQ PROCEDURES AND POLICIES REGARDING COLLECTION. *THE ASQ SURVEY QUESTIONNAIRE IS COMPOSED OF 55 QUESTIONS INCLUDING: 34 ITEMS WHERE PASSENGERS ARE ASKED TO RATE SPECIFIC SERVICE RELATED TOPICS AND THEIR OVERALL SATISFACTION WITH THE AIRPORT ON A SCALE OF 1 (POOR) TO 5 (EXCELLENT); *QUESTIONS RELATED TO THE PASSENGER PROFILE. *THE QUESTIONNAIRE IS SELF-COMPLETED BY RANDOMLY SELECTED PASSENGERS AT THE BOARDING GATES OF PRE-SELECTED FLIGHTS. FLIGHTS ARE SELECTED BASED ON DESTINATION AND CARRIER IN ORDER TO OBTAIN A REPRESENTATIVE SAMPLE OF ALL DEPARTURES FROM A PARTICIPATING AIRPORT. THE ASQ SURVEY IS COVERING ALL OPERATING HOURS OF THE PARTICIPATING AIRPORT, AND EACH DAY OF A WEEK IS EVENLY DISTRIBUTED BETWEEN EACH MONTH OF A QUARTER.