Radical changes to air travel are expected after a British passenger died of a heart attack when a Singapore Airlines flight from Heathrow to Singapore hit severe turbulence last month.
Experts say climate change will increase turbulence in the decades ahead and The Times “terrified” airline bosses are already taking steps that could make air travel a more restrictive and expensive experience.
Is turbulence getting worse?
Writing for the Irish Times, Paula Gahan said that after a decade as a cabin crew member, she had “little doubt” that turbulence is “getting worse” – and scientists support this.
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In a 2023 research paper, Isabel Smith, a turbulence expert at the University of Reading’s Department of Meteorology, said that “clear-air turbulence will increase over time as a result of climate change“, reported The Telegraph.
Smith explained that because “the upper atmosphere is warming faster in the tropics” than in “the polar regions”, this greater difference in temperature between low and high latitudes “increases wind shear in the jet streams”, which “enhances the formation of turbulent patches of air”.
University of Chicago researchers concluded that wind speeds, which are behind clean air turbulence, will rise by 2% for every degree celsius of global warming, reported the Times of India.
How will this change air travel?
Fatalities caused by turbulence are unusual and it is usually just an annoying or unnerving experience. While turbulence has occasionally caused aeroplanes to crash, most of those tragedies happened several decades ago before modern safety analysis techniques made flying safer.
But a former White House official died due to “severe turbulence” on a private business jet last year while flying between New Hampshire and Virginia, and three passengers on a Hawaiian Airlines service to Sydney were hospitalised after the flight experienced severe turbulence.
In the aftermath of the recent incident, Singapore Airlines announced it will take a “more cautious approach to managing turbulence”. The carrier will suspend the hot drink service when the seatbelt sign is on and meal services will be paused during bumpy conditions. Cabin crew will be told to return to their seats and secure their seatbelts during these times.
The Association of Flight Attendants-CWA union, which represents more than 50,000 flight attendants in the US, is lobbying for a ban on children under the age of two travelling on a parent’s lap.
“We’ve seen [planes] go through turbulence recently and drop 4,000 feet in a split second,” a spokesperson for the union told the Washington Post, and “the G-forces are not something even the most loving mother or father can guard against and hold their child”, because that is “just physically impossible”.
Passengers “may also notice the seatbelt light illuminated for longer periods than before”, said The Telegraph, because more sophisticated in-flight weather monitoring systems mean pilots are able to share information about flying conditions with nearby planes. Passengers are being warned to “take their seats pre-emptively, rather than reactively when turbulence hits” and one retired pilot suggested that passengers should keep their seatbelts fastened at all times.
Another change on the horizon is that pilots might begin to reroute to avoid rocky jet streams, meaning “longer flights and more fuel”, coming at a “greater cost for the passenger”.
Finally, Anton Radchenko of Airadvisor said that because “most people are unaware of what exactly turbulence is and panic when it happens”, airlines should “dedicate a five-minute slot (in addition to in-flight safety demonstration) to educating passengers on turbulence before the flight takes off”.
A senior aviation source told The Times that airline bosses are “terrified” by the Singapore event. “They know they could be next”, so there’s a concerted effort in the industry now to adapt, and [safety] briefings are going to be at the heart of it”.
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