by Natasha Lair
Last updated: 9:30 AM ET, Thu September 11, 2025
Today marks 24 years since September 11, 2001—a day that forever changed global travel, forcing aviation and tourism to rethink security, infrastructure, and operations.
In the immediate aftermath, governments, airlines, and airports scrambled to restore public confidence. Temporary security measures quickly became permanent, setting new global standards. Travellers faced a transformed airport experience, while the industry adapted to challenges, laying the foundation for the safer, more resilient travel environment we know today.
RELATED: How 'Come From Away' Is Driving Tourism in Newfoundland
Before 9/11, airport security was minimal: passengers passed through basic metal detectors, small blades were allowed on planes, and friends and family could escort travellers to the gate.
In the U.S., the Transportation Security Administration (TSA) was created in November 2001, centralizing airport screening under federal authority.
RELATED: CATSA Trials New Screening Lane Technology
Canada followed with the establishment of the Canadian Air Transport Security Authority (CATSA) in 2002. Globally, the International Civil Aviation Organization (ICAO) helped coordinate standards to align aviation security worldwide.
For airlines, changes included reinforced cockpit doors, enhanced crew training, and expanded sharing of passenger information. New technologies, such as biometric screening, advanced baggage systems, and full-body scanners, have since become the norm in airports.
RELATED: Navigating Airport Security Procedures
The broader tourism industry also adapted. Destinations, hotels, and tour operators strengthened crisis management planning to respond to disruptions—an approach later applied to challenges ranging from terrorism to natural disasters and the COVID-19 pandemic.
How Aviation and Tourism Changed After 9/11
- TSA creation in 2001: The Aviation and Transportation Security Act established TSA to oversee airport security.
- CATSA creation in 2002: Canada established CATSA to oversee screening and security at Canadian airports.
- Reinforced cockpit doors: The FAA mandated the installation of hardened cockpit doors on commercial aircraft.
- Restrictions on liquids
- “No-fly list”: The U.S. expanded use of no-fly and watch lists for passenger screening.
- ICAO coordination: The ICAO has guided global aviation security standards.
- Crew training and passenger data: Enhanced security awareness training and the use of passenger name record (PNR) sharing became standard practice.
- Advanced screening technology: Airports adopted biometric systems, full-body scanners, and advanced baggage screening.
- Tourism resilience planning: Crisis management and continuity strategies became central to the global tourism sector.
RELATED: Gatwick's New CT Scanners Mean Liquids, Laptops Can Stay in the Bag
Looking ahead, some restrictions—such as limits on carrying liquids—may eventually be eased as new security technologies and risk-based screening continue to evolve.
New scanners in some Canadian airports allow travellers to keep electronics in their bags, and reports suggest the long-standing requirement to remove shoes at security checkpoints may soon be lifted, balancing safety and convenience.
Today, as we honour the countless acts of heroism, kindness, and philanthropy born from this tragedy, their legacy endures in every airport checkpoint and safety measure that protects travel.
Topics From This Article to Explore
