A sixth carrier, Royal Jordanian, said it would begin the new procedures in mid-January after USA authorities granted its request for a delay in implementing the measures.
The measures will be rolled out for 180 airlines operating out of 280 airports in 105 countries.
All incoming flights to the United States will be subject to new security screening procedures, including both American citizens and foreigners possibly facing security interviews from airline employees, a USA government official said on Wednesday.
"TSA will continue to work closely with our aviation partners and verify that all security enhancements are accurately implemented", TSA spokeswoman Lucy Martinez said in a statement Wednesday. Previously, laptops had been banned in the cabin on flights originating in eight counties in the Middle East and North Africa.
Although security measures appear to be getting more complex, most passengers are willing to comply in the name of safety. The 120-day deadline is Thursday.
Even as airlines have no choice but to comply with the new rules, industry bodies like the Association of Asia Pacific Airlines (AAPA) have raised concerns about the impact of such measures.
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Lufthansa and Cathay Pacific are two other carriers that are also advising passengers flying to the United States to arrive early at the airport.
Starting Thursday, October 26, 2017, some travelers may be interviewed at check-in counters and airport gates.
In Hong Kong, Cathay Pacific has suspended in-town check-in services as well as self-bag drop services for passengers booked on flights to the U.S., except for those travelling on Flight CX888 to NY via Vancouver. The airline said passengers would also have short security interviews and it has advised travelers to arrive three hours before departure.
Coming soon, is the ban on electronic devices being allowed to travel in checked-in luggage.
Airlines for America, a USA trade group, said the changes "are complex security measures" but praised US officials for giving airlines flexibility in meeting the new rules.
Alexandre de Juniac, CEO of the International Air Transport Association, expressed concern over the American government's actions.
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The aircraft, a Boeing 757-200, landed safely without incident; customers have since deplaned and maintenance teams evaluating. Nobody on the plane was injured, however, the plane was left with a huge dent in the nose .
USA officials said the changes were aimed at protecting the country's national security. "Unilateral measures announced without any prior consultation".
Airlines were however consulted after the March changes.
Virgin Atlantic has said the new rules won't disrupt customers.
AAPA includes most large Asian airlines but not mainland Chinese carriers.
Travellers may also be asked to switch off their electronic devices, including phones.
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