Thousands of Airbus planes have been grounded after it was discovered that intense solar radiation could interfere with onboard flight control computers, leading to delays around the world.
Around 6,000 A320 planes are thought to be affected – half the European firm’s global fleet – but it is understood most will be able to fly again after undergoing a quick software update.
The UK’s aviation regulator said there would be “some disruption and cancellations to flights” though the impact at airports appears to be limited.
Airbus said it discovered the issue after an investigation into an incident in which a plane flying between the US and Mexico suddenly lost altitude in October.
The JetBlue Airways flight made an emergency landing in Florida after at least 15 people were injured.
