
Imagine standing in an airport terminal, watching the flight information display as cryptic letter combinations flash before your eyes: LGW, EGKK. These mysterious aviation codes point to distant destinations. Today, we unravel the secrets behind these identifiers and explore the dual identity of London's Gatwick Airport.
Gatwick Airport: More Than One Name
Located south of London, Gatwick Airport ranks as Britain's second busiest airport and one of the world's most active single-runway operations. Few travelers realize it carries two distinct "names" in aviation circles. The International Air Transport Association (IATA) and International Civil Aviation Organization (ICAO) each assign codes that serve different purposes in flight operations.
- IATA Code: LGW - This three-letter identifier appears on tickets, baggage tags, and departure boards. Designed for passenger convenience, LGW represents Gatwick in commercial aviation systems.
- ICAO Code: EGKK - The four-letter designation used by pilots and air traffic controllers. This technical code contains geographic information critical for flight safety and navigation.
Why Two Codes Exist
The dual coding system reflects the different missions of IATA and ICAO:
- IATA focuses on passenger services, using memorable abbreviations that simplify travel processes. These codes function like airport nicknames.
- ICAO prioritizes flight safety through standardized location identifiers. These codes serve as official designations in aviation documentation.
In essence, LGW helps travelers navigate terminals while EGKK guides aircraft through airspace.
Cracking the EGKK Cipher
ICAO codes follow a logical structure that reveals geographic information:
- First letter (E): Indicates Northern Europe, including the UK and Ireland
- Second letter (G): Specifies the London metropolitan area
- Final letters (KK): Uniquely identify Gatwick among London's airports
Thus, EGKK translates to: Northern Europe → UK London region → Gatwick Airport.
Gatwick By the Numbers
Beyond its codes, Gatwick represents a major aviation hub:
- Located 29.5 miles south of central London in West Sussex
- Operates two runways (though primarily uses one)
- Serves over 40 million passengers annually
- Base for EasyJet, British Airways, and Virgin Atlantic
London's Airport Alphabet
The British capital's aviation network includes several major airports:
- Heathrow (LHR/EGLL): London's primary international gateway
- Stansted (STN/EGSS): Budget airline hub
- Luton (LTN/EGGW): Another low-cost carrier base
- London City (LCY/EGLC): Convenient downtown option for business travelers
The Hidden Language of Flight
Airport codes represent more than random letters—they form a global language connecting travelers, airlines, and air traffic systems. Understanding identifiers like LGW and EGKK reveals the intricate systems that make modern air travel possible. Next time you check a boarding pass or departure screen, remember these unassuming codes carry the weight of aviation history and international connectivity.