The Latest Breaking News on Near misses raise fresh questions for US air regulator

New York (AFP) - US air authorities ordered an hours-long grounding of flight departures nationwide Wednesday following an outage affecting a key system used by pilots before takeoff.

A computer outage caused thousands of flights to and from the US to be delayed and cancelled.

U.S. flight departures began resuming early Wednesday after an overnight outage to a key air-traffic system prompted authorities to ground planes nationwide.

A computer outage at the Federal Aviation Administration brought flights to a standstill across the US, with hundreds of delays quickly cascading through the system at airports nationwide.

The Federal Aviation Administration (FAA) allowed some flights to resume after an outage of the system that alerts pilots to any obstructions before take-off had earlier forced the civil aviation regulator to ground all aircraft in the United States.

The computer failure's cause remains unknown, though the FAA and White House have said there's no evidence of a cyberattack.

The US Federal Aviation Administration (FAA) has lifted a grounding order on flights across America following a computer outage that resulted in thousands of delays at airports nationwide.

‘Plane is 80 per cent empty as presumably many people bailed when they saw the news’

U.S. aviation authorities halted flights nationwide early Wednesday after the failure of a key pilot notification system operated by the Federal Aviation Administration.

The FAA halted all domestic flights early Wednesday after a systems outage. U.S. airline stocks showed little response.

Several flights from Madrid airport to the United States were delayed on Wednesday morning, according to information released on the website of Aena, which operates the airport.