Airport Operations and Other Air Transport Support Services

**Exclusions/References:** - Units mainly engaged in - (a) repairing aircraft are included in Class 2394 Aircraft Manufacturing and Repair Services; - (b) leasing or chartering aircraft without crew from own stocks are included in Class 6619 Other Motor Vehicle and Transport Equipment Rental and Hiring; - (c) operating ticket sales offices of non-resident airlines are included in Class 7220 Travel Agency and Tour Arrangement Services; - (d) providing airline food catering services are included in Class 4513 Catering Services; and - (e) wholesaling fuel at airports are included in Class 3321 Petroleum Product Wholesaling. **Primary Activities:** - Air traffic control service - Air transport navigation service - Aircraft support service n.e.c. - Airport baggage handling service - Airport operation - Airport terminal operation