HONG KONG — Hong Kong International Airport has become the world's first airport to receive One ID Certification from the International Air Transport Association (IATA), marking a significant step towards wider use of digital identity and biometric technology in international air travel.
The certification, announced on October 28, 2026, recognises the airport's implementation of standards covering contactless passenger processing, biometric data handling and privacy protection.
The development highlights the aviation industry's efforts to make airport journeys more seamless by allowing passengers to verify their identity digitally and use facial recognition at participating checkpoints instead of repeatedly presenting physical travel documents.
Hong Kong Becomes the First Airport to Receive the Certification
IATA announced that Hong Kong International Airport and Air New Zealand were the first organisations to achieve One ID Certification.
Hong Kong International Airport is the first airport to receive the recognition, while Air New Zealand became the first airline to achieve the certification.
The airport certification covers three key areas: Contactless Travel, Biometric Handling, and Privacy, Consent and Governance.
These standards are intended to ensure that biometric identification systems are implemented responsibly, with appropriate safeguards for passenger information and personal data.
Flight Token Has Been Used by More Than 93 Million Passengers
Hong Kong International Airport's digital passenger system is built around Flight Token, a biometric identification service introduced in 2021.
The technology allows eligible passengers to use facial recognition at participating departure checkpoints, reducing the need to repeatedly present passports and boarding passes during the airport process.
According to Airport Authority Hong Kong, more than 93 million passengers had used Flight Token since its introduction. More than 80% of departing passengers are eligible to use the system across the airport's departure checkpoints.
The airport aims to continue developing digital identity services and strengthening cooperation with airlines and other aviation partners.
How IATA One ID Could Change Airport Procedures
The One ID initiative is designed to move passenger identity checks towards a digital process that can begin before travellers arrive at the airport.
Passengers can share and verify relevant travel information in advance, allowing participating airlines, airports and authorities to confirm their identity through secure digital credentials and biometric checks.
In practice, facial recognition can help passengers move through participating airport checkpoints without repeatedly showing physical documents.
However, One ID does not eliminate passports, visas or destination entry requirements. Passengers must still comply with the travel-document and immigration rules of the countries they visit.
Privacy Remains a Major Challenge
Despite the potential convenience, the expansion of biometric travel systems raises important questions about personal data protection.
Facial recognition involves the processing of sensitive biometric information, making transparency, passenger consent and secure data management essential to public confidence.
IATA's certification framework addresses these issues through requirements covering privacy, consent and governance, alongside the technical handling of biometric information.
Different countries also apply different rules to personal data and facial recognition. These regulatory differences can make it difficult to establish a consistent digital identity system across international borders.
Global Adoption Could Take Time
Although several airports and airlines are investing in biometric technology, its adoption across the global aviation network remains uneven.
International cooperation is necessary because a passenger's digital identity may need to be recognised by multiple airlines, airports and border authorities during a single journey.
Technology compatibility, government regulations, data-sharing agreements and passenger acceptance will all influence how quickly the system expands.
This means that the experience available at Hong Kong International Airport may not yet be available to travellers at every international airport.
A New Direction for the Future of Airports
Hong Kong International Airport's One ID Certification represents an important milestone in the development of digital passenger processing.
If common standards gain wider international acceptance, travellers could eventually benefit from fewer repeated document checks and smoother airport journeys across different countries.
For now, the next stage will depend on cooperation between airports, airlines, governments and technology providers, while ensuring that passenger privacy remains protected.
Sources:
- IATA – Hong Kong International Airport and Air New Zealand Achieve One ID Certification
- IATA – One ID Programme
- Hong Kong International Airport
- VnExpress International – Hong Kong Airport's Digital Identity Certification
Flight Travel News – Aviation News, Airport Developments and Travel Technology.