Glossary
Aircraft Types
Wingspan Category (ADG)
Definition
The FAA's Airplane Design Group classification based on wingspan and tail height, ranging from Group I (small, <49 ft) to Group VI (largest, >214 ft). Determines required taxiway and gate widths.
Related Terms
Wide-Body Aircraft
A twin-aisle aircraft with a fuselage diameter of 5-6 meters, seating 200-600 passengers. Used for long-haul international flights. Examples: Boeing 777, Airbus A350.
Narrow-Body Aircraft
A single-aisle aircraft with a fuselage diameter typically 3-4 meters, seating 100-240 passengers. Used for short to medium-haul flights. Examples: Boeing 737, Airbus A320.
Gate
A designated area in an airport terminal where passengers board or disembark an aircraft. Gates are numbered and typically feature a jetbridge for direct aircraft access.