The filmmaker described the plane performing an 'Irish jig' as it left the ground. Photo / YouTube, flugsnug
This is why drinks are served on board aircraft after take-off.
Remarkable footage has caught the moment that a plane belonging to Dublin-based Ryanair was dramatically buffeted by Storm Ali winds as it took off at Birmingham Airport.
The filmmaker described the plane as performing an "Irish jig" when it left the ground.
Filmed on September 19, the footage - posted online by YouTuber 'flugsnug' - shows the Lanzarote-bound plane heading down the runway in standard straight-line fashion.
But as it takes to the air, the "dance" begins.
The plane lurches to the left and the nose wheels and right wheels leave the ground.
It then continues to lurch to the left but then tips to the right as the left wheels leave the ground.
After the wobbling it powers up into the sky.
A serving long-haul captain told MailOnline Travel that the pilot didn't get the take-off quite right, but stressed that there was nothing unsafe about it.
He said: 'I would say that the pilot didn't have enough into wind aileron [wing panels that adjust roll] applied - hence the rock and roll at the take-off point.
'But taking off in big crosswinds is often a bit rocky without being intrinsically dangerous.'
The British Airline Pilots' Association agreed that while scary to look at, the footage does not show something unsafe taking place.
After the wobbling it powers up into the sky.
A serving long-haul captain told MailOnline Travel that the pilot didn't get the take-off quite right, but stressed that there was nothing unsafe about it.
He said: "I would say that the pilot didn't have enough into wind aileron [wing panels that adjust roll] applied - hence the rock and roll at the take-off point.
"But taking off in big crosswinds is often a bit rocky without being intrinsically dangerous."
The British Airline Pilots' Association agreed that while scary to look at, the footage does not show something unsafe taking place.
A Balpa spokesperson said: "Pilots are specifically trained to fly the aircraft in all the situations in which they might be expected to operate, including strong winds. The technique for taking off in windy condition varies from aircraft to aircraft but the general aim is to predict how the aircraft will want to react to the wind as the aircraft speed increases and apply control forces to keep it straight with the wings level.
"However, in very strong crosswind conditions you can actually end up looking at the runway through the side window and these tend to be the images that are popular on video sharing sites. While it looks scary, it's something pilots are routinely trained for and no cause for alarm."
Storm Ali left hundreds of thousands of people without power and battered the British Isles with gusts of up to 164kmph.
A Ryanair pilot was pictured trying to land at Dublin Airport after arriving from Brussels, before sharply pulling up due to the high winds.
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