Whether you’re flying for the first time or travel frequently, you’ve probably come across airport terms like Terminal, Runway, Boarding Gate, IATA Code, ATC, Apron, and Taxiway. While these words are commonly used in airports and by airlines, many travelers are unsure what they actually mean.
Understanding basic airport terminology makes it easier to navigate airports, follow announcements, read boarding passes, and communicate with airline staff.
This Airport Terminology Guide explains the most common airport and aviation terms in simple language, making it an excellent resource for first-time flyers, students, and travel enthusiasts.
Quick Information
| Topic | Details |
| Guide Type | Airport Terminology |
| Best For | First-Time Travelers, Students & Aviation Enthusiasts |
| Covers | Airport, Airline & Aviation Terms |
| Includes | 50+ Common Airport Terms |
| Last Updated | 2026 |
Why Learn Airport Terminology?
Knowing airport terminology helps you:
- Understand airport announcements
- Navigate terminals more easily
- Complete check-in and boarding without confusion
- Read boarding passes correctly
- Understand airline instructions
- Improve your overall travel experience
A
Aerobridge
An aerobridge (also called a passenger boarding bridge) is an enclosed walkway that connects the airport terminal directly to an aircraft, allowing passengers to board without walking on the airport apron.
Airside
The airside area is the secure part of the airport beyond the security checkpoint where only authorized passengers and airport staff are allowed.
Airport
An airport is a facility where aircraft take off, land, and receive passenger, cargo, and maintenance services.
Air Traffic Control (ATC)
Air Traffic Control (ATC) is responsible for managing aircraft movements on the ground and in the air to ensure safe and efficient operations.
Apron
The apron is the area where aircraft are parked for boarding, refueling, loading baggage, and maintenance.
B
Baggage Claim
The baggage claim area is where passengers collect their checked luggage after arriving at their destination.
Baggage Tag
A baggage tag is attached to checked luggage so airlines can identify and transport it to the correct destination.
Boarding
Boarding is the process of passengers entering the aircraft before departure.
Boarding Gate
The boarding gate is the designated area where passengers wait before boarding their flight.
Boarding Pass
A boarding pass is a travel document issued by the airline that allows passengers to board their flight.
It usually includes:
- Passenger Name
- Flight Number
- Seat Number
- Boarding Time
- Boarding Gate
C
Cabin Baggage
Cabin baggage (carry-on baggage) is the luggage passengers are allowed to take inside the aircraft.
Cargo Terminal
A cargo terminal handles freight shipments instead of passenger services.
Check-in
Check-in is the process of confirming your flight booking and obtaining a boarding pass.
Check-in Counter
The check-in counter is operated by airlines for baggage drop, seat allocation, and boarding pass issuance.
Customs
Customs is the government authority that regulates goods entering or leaving a country.
Customs checks are generally applicable only to international travel.
D
Departure
Departure refers to passengers leaving an airport on an outgoing flight.
Departure Lounge
The departure lounge is the waiting area after security where passengers stay until boarding begins.
Domestic Flight
A domestic flight operates within the same country.
Duty-Free Shop
A duty-free shop sells eligible products without certain local taxes or duties, mainly at international airports.
F
Final Call
A final call announcement means passengers should immediately proceed to their boarding gate before it closes.
Flight Number
A flight number is a unique identifier assigned by an airline to a specific flight.
Example:
- AI302
- 6E215
- UK955
G
Gate
A gate is the designated boarding point where passengers enter the aircraft.
Ground Staff
Ground staff assist passengers with check-in, boarding, baggage handling, and customer support at the airport.
H
Hangar
A hangar is a large building used for aircraft parking, maintenance, and repairs.
I
ICAO Code
The ICAO Code is a four-letter airport identifier mainly used for flight operations and air traffic control.
Example:
- VIDP – Delhi Airport
- VABB – Mumbai Airport
Immigration
Immigration is the process of verifying passports and visas for passengers entering or leaving a country.
International Flight
An international flight travels between two different countries.
IATA Code
An IATA Code is a three-letter airport identifier used by airlines and passengers.
Examples:
- DEL
- BOM
- BLR
- HYD
J
Jet Bridge
Another name for an aerobridge, used to connect passengers directly from the terminal to the aircraft.
L
Lounge
An airport lounge is a premium waiting area offering comfortable seating, food, beverages, Wi-Fi, and business facilities.
M
Metal Detector
A metal detector is used during airport security screening to detect prohibited metallic objects.
P
Passport Control
Passport control is the inspection of travel documents during international departures and arrivals.
Passenger Terminal
The passenger terminal is the building where travelers complete check-in, security, boarding, and baggage collection.
Pilot
A pilot is the trained professional responsible for operating and flying the aircraft.
Runway
A runway is the long paved strip where aircraft take off and land.
S
Security Check
The security check is the screening process where passengers and cabin baggage are inspected before entering the departure area.
Self Check-in Kiosk
A self check-in kiosk allows passengers to print boarding passes and complete check-in without visiting an airline counter.
T
Taxiway
A taxiway is the path used by aircraft to move between the runway, apron, and terminal.
Terminal
A terminal is the main airport building where passengers check in, complete security screening, wait for flights, and collect baggage after arrival.
Large airports may have multiple terminals, such as Terminal 1, Terminal 2, and Terminal 3.
Transit Passenger
A transit passenger changes flights at an airport before continuing to the final destination.
W
Web Check-in
Web check-in allows passengers to complete check-in online before reaching the airport.
Wheelchair Assistance
A service provided for passengers with reduced mobility or special assistance requirements.
X
X-ray Scanner
An X-ray scanner is used to examine cabin baggage and checked baggage during airport security screening.
Common Airport Abbreviations
| Abbreviation | Meaning |
| AAI | Airports Authority of India |
| ATC | Air Traffic Control |
| IATA | International Air Transport Association |
| ICAO | International Civil Aviation Organization |
| CISF | Central Industrial Security Force |
| ETA | Estimated Time of Arrival |
| ETD | Estimated Time of Departure |
| PNR | Passenger Name Record |
| FIDS | Flight Information Display System |
| GPU | Ground Power Unit |
| VIP | Very Important Person |
Airport Terms Every First-Time Flyer Should Know
If you’re flying for the first time, these are the most important terms to understand:
- Check-in
- Boarding Pass
- Boarding Gate
- Security Check
- Cabin Baggage
- Checked Baggage
- Terminal
- Runway
- Taxiway
- Aerobridge
- Departure Lounge
- Immigration
- Customs
- IATA Code
- Flight Number
Frequently Asked Questions
What is an airport terminal?
An airport terminal is the main building where passengers complete check-in, security screening, boarding, and baggage collection.
What is the difference between a runway and a taxiway?
A runway is used for aircraft take-off and landing, while a taxiway is used to move aircraft between the runway and terminal or parking area.
What is an IATA airport code?
An IATA code is a unique three-letter identifier assigned to an airport for airline operations and passenger use.
What does ATC stand for?
ATC stands for Air Traffic Control, which manages aircraft movements to ensure safe operations.
What is an aerobridge?
An aerobridge is an enclosed walkway connecting the airport terminal directly to the aircraft.
Related Guides
- Airport Guide in India
- Airport Codes Guide
- Airport Facilities & Services Guide
- Airport Security & Boarding Process Guide
- Domestic Airports in India
- International Airports in India
Final Thoughts
Learning airport terminology can make your travel experience much smoother, whether you’re taking your first domestic flight or traveling internationally. Understanding common terms like terminal, boarding gate, runway, IATA code, and ATC helps you navigate airports with confidence and follow airline procedures more easily.
Bookmark this guide as a quick reference whenever you need to understand airport or aviation terminology before your next journey.