TUI Flight Aborted After Cabin Pressure Error Put 193 Passengers at Risk

An investigation found pilots missed critical safety checks, leading to a midair emergency and risk of hypoxia for all onboard.

A TUI Airways flight from Manchester to Kos was forced to return after the cabin failed to pressurize due to missed safety checks.
The issue stemmed from bleed air switches left off during maintenance, which were not detected by the crew before takeoff.
Pilots delayed responding to a cabin altitude warning for 43 minutes and failed to follow prescribed safety protocols, including donning oxygen masks.
The Air Accidents Investigation Branch (AAIB) found that crew fatigue from being assigned the flight on short notice may have contributed to the oversight.
Although no injuries were reported, passengers and crew were exposed to the risk of hypoxia, which can impair decision-making and lead to serious health consequences.