When a traveller enters an airport with one of these smart cards, sensors read the passenger's card and automatically send a gate number and electronic boarding pass to the passenger's smartphone.
Mr. Tikvesa prints out an extra boarding pass for the passenger's connecting flight so he can scan them into Delta's computer system once the passenger is on board.
Once these technologies are in place, a passenger may pass through a security screening without realizing it.
CNN: Behavioral screening -- the future of airport security?
Whether the airlines will take the hit or whether they will pass the increases on to the passenger is not clear.
People handling airfreight are aware of valuable consignments because every cargo shipment carries a waybill, which is similar to a passenger's boarding pass.
"I am announcing today a new approach to hand baggage security that will be introduced progressively as airports are ready to handle the extra capacity, so we can pass the benefits on to the passenger as quickly as possible, " she said.
If the pass has the code, a Precheck passenger is steered to a separate screening lane for what amounts to old-style airport screening.
They take your sea pass, they scan it, and they make sure that every single passenger was there.
When a passenger steps forward to get on a flight, an agent could hold up the boarding pass and passport in front of their smart glasses, scanning barcodes on the two documents simultaneously.
During their debate, Mr Davies called on the Welsh Government to extend the companion bus pass, improve audio-visual information on public transport and promote staff awareness and training for disabled passenger requirements.
If a passenger is cleared for Precheck screening, a code is embedded in a traveler's boarding pass.
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