At 17,300 Feet, a Cockpit Windscreen Suddenly Failed—And the Crew Had Only Seconds to React
It sounds like something from a Hollywood disaster movie.
A passenger aircraft is cruising thousands of feet above the ground when, without warning, the cockpit windscreen suddenly gives way.
The cabin erupts into chaos.
Air rushes violently through the cockpit.
And in a terrifying instant, the captain is pulled toward the opening.
But this wasn't fiction.
On June 10, 1990, British Airways Flight 5390 was flying from Birmingham to Málaga when the aircraft suffered a catastrophic cockpit-windscreen failure at approximately 17,300 feet.
Captain Tim Lancaster was suddenly thrown partially out of the cockpit.
What followed became one of the most extraordinary aviation survival stories ever recorded.
A Routine Flight Turns Into a Nightmare
British Airways Flight 5390 was operating what should have been a routine journey.
The aircraft, a BAC 1-11, had departed Birmingham Airport in England and was climbing toward its cruising altitude.
There was no indication that the flight was about to become one of the most remarkable incidents in British aviation history.
Captain Lancaster was seated in the left-hand pilot's seat while First Officer Alastair Atchison was flying alongside him.
Then, suddenly, something went catastrophically wrong.
The left cockpit windscreen failed.
The resulting decompression produced a violent rush of air.
Lancaster was pulled toward the opening and partially ejected from the aircraft.
His upper body was outside the cockpit while his legs remained inside.
The situation was almost unimaginable.
At an altitude of more than 17,000 feet, the aircraft was traveling at high speed through extremely cold air.
The cockpit was exposed to powerful aerodynamic forces.
And the crew had almost no time to process what had happened.
The Crew Refused to Let Go
In the midst of the chaos, the cabin crew reacted immediately.
Flight attendant Nigel Ogden reached the cockpit and grabbed Lancaster.
Other crew members helped hold onto him.
They understood that if he slipped completely through the opening, he could be lost from the aircraft.
The situation was extraordinarily dangerous.
The cockpit door had also become a factor in the emergency, and the sudden decompression created an environment in which communication and coordination were extremely difficult.
Yet the crew continued working.
Their priority was clear:
Keep the captain from being pulled completely out of the aircraft and keep the aircraft under control.
The First Officer Takes Control
While other crew members struggled to hold Lancaster, First Officer Alastair Atchison faced an entirely different challenge.
He had to fly the airplane.
Atchison suddenly found himself responsible for controlling the aircraft during a catastrophic emergency while his captain was incapacitated.
He initiated an emergency descent.
The aircraft needed to get to a lower altitude where the air would be more breathable and the pressure and temperature conditions would be less extreme.
Atchison also communicated with air traffic control and began working toward an emergency landing.
His ability to remain focused during such an extraordinary situation was crucial.
The aircraft was still flying.
The passengers were still onboard.
And there was a possibility of bringing everyone safely back to the ground.
A Captain Hanging Outside the Aircraft
Perhaps the most unbelievable aspect of the incident is what happened to Lancaster.
For roughly 20 minutes, he remained partially outside the aircraft.
The wind was brutally cold.
The aircraft was moving at hundreds of miles per hour.
The forces acting on his body were enormous.
His clothing was being pulled by the airflow, while the crew inside the cockpit continued holding onto him.
At the same time, Lancaster was being exposed to conditions that would normally be impossible for an unprotected person to survive.
The crew had no opportunity to simply stop and assess the situation.
They had to keep working.
The Passengers Had No Idea What Was Happening
One of the remarkable aspects of the incident was that many passengers were not fully aware of what was happening inside the cockpit.
The aircraft was experiencing a serious emergency, but the crew had to prevent panic while dealing with the immediate danger.
Flight attendants worked to maintain order in the cabin while the pilots focused on getting the aircraft down.
For passengers, the journey suddenly became an emergency landing.
For the flight crew, however, the situation was far more extraordinary.
They were simultaneously dealing with decompression, cockpit damage, an injured captain, extreme wind forces, and the need to safely control the aircraft.
The Emergency Descent
Atchison's decision to descend rapidly was critical.
At lower altitude, atmospheric pressure would be higher, making breathing easier and reducing the physiological danger associated with the loss of cabin pressure.
The aircraft also needed to get back to the ground as quickly as safely possible.
Air traffic controllers assisted the crew as they diverted toward Southampton Airport.
Every minute mattered.
The crew knew that Lancaster had suffered serious exposure and injury.
They also had to consider the safety of everyone else onboard.
The aircraft could not simply remain at altitude.
It had to land.
The Extraordinary Landing
Eventually, the aircraft reached Southampton.
Emergency services were waiting on the ground.
The aircraft landed safely.
What had begun as a normal passenger flight had become a life-or-death emergency involving a captain partially outside the cockpit and a first officer forced to take control under unimaginable circumstances.
Yet the aircraft made it back to the ground.
The passengers survived.
And, remarkably, Lancaster survived too.
How Could Anyone Survive Such an Incident?
The human body is not designed to be exposed to the outside environment at cruising altitude.
At high altitude, temperatures can be extremely low and the air pressure is far lower than at sea level.
A person exposed to such conditions faces multiple dangers.
There is the cold.
There is the wind.
There is the reduced atmospheric pressure.
There is the possibility of serious physical trauma.
And there is the danger of being completely separated from the aircraft.
Lancaster experienced severe injuries, including frostbite and fractures, but survived.
His survival was extraordinary.
So was the fact that the crew managed to keep him physically connected to the aircraft while simultaneously flying and landing it.
What Investigators Discovered
After the emergency, investigators began examining why the cockpit windscreen had failed.
Their findings revealed a critical maintenance problem.
The windscreen had previously been replaced.
The bolts used to secure it were not correctly installed for the aircraft's requirements.
The investigation determined that the wrong-size bolts had been fitted during maintenance.
Because the windscreen was held in place by bolts that were too small, the loads acting on it eventually became too great.
At cruising altitude, the difference between the pressure inside the aircraft and the pressure outside placed enormous force on the windscreen.
The improper installation ultimately contributed to its failure.
A Maintenance Error With Extraordinary Consequences
The incident demonstrated something important about aviation safety.
A catastrophic accident does not always begin with a dramatic mechanical failure.
Sometimes it begins with something that appears small.
A maintenance procedure.
A measurement.
A fastener.
A component installed incorrectly.
A mistake that may seem insignificant on the ground can become enormously dangerous when an aircraft is flying at high altitude.
The Flight 5390 investigation therefore became an important reminder of the critical role that maintenance procedures play in aviation safety.
The Human Factor
The incident also highlighted another important part of aviation safety: human performance under extreme pressure.
Lancaster was suddenly incapacitated.
Atchison had to assume full control.
Cabin crew members had to physically restrain the captain.
Air traffic controllers had to coordinate the emergency.
Ground crews had to prepare for the aircraft's arrival.
Each person had a specific role.
There was no time for confusion.
The successful outcome depended on people performing those roles under extraordinary circumstances.
The Importance of Crew Training
Pilots train extensively for emergencies.
Most pilots will never encounter a situation remotely as unusual as the Flight 5390 windscreen failure.
But training teaches crews how to remain focused when something unexpected happens.
The first officer did not need to know exactly how the incident would unfold.
He needed to maintain control of the aircraft, communicate with air traffic control, manage the emergency, and land safely.
That ability to prioritize tasks is a fundamental part of aviation.
A Story That Sounds Impossible
There is a reason this incident continues to fascinate people decades later.
The basic facts are difficult to imagine.
A commercial aircraft was flying more than three miles above the ground.
The cockpit windscreen suddenly failed.
The captain was pulled partially outside.
Crew members physically held onto him.
The first officer flew the aircraft.
An emergency descent followed.
And after approximately 20 minutes of chaos, the aircraft landed safely.
It sounds impossible.
But it happened.
The Image of the Incident
Images and recreations of the event have circulated widely over the years.
The still associated with the story is often identified as coming from a television documentary about the incident.
Because the actual event occurred in 1990, photographs and later documentary footage have frequently been used to illustrate the story.
That distinction is important.
A dramatic image associated with an aviation incident may be a documentary reconstruction rather than a photograph captured during the emergency itself.
The underlying event, however, is well documented.
What Happened to Captain Lancaster?
Lancaster survived the incident.
His injuries included frostbite and fractures, along with the effects of the extreme exposure.
Considering what had happened, his survival was remarkable.
The story became a powerful example of both human resilience and the importance of emergency teamwork.
The captain eventually recovered from the ordeal.
The event did not end his story.
Instead, it became one of the most extraordinary chapters in aviation history.
What Happened to First Officer Atchison?
Alastair Atchison's actions during the emergency were central to the successful outcome.
He was confronted with a situation that few pilots could ever imagine experiencing.
His captain was severely injured.
The cockpit had suffered major damage.
The aircraft had undergone decompression.
Yet he maintained control and brought the aircraft safely to the ground.
For his actions, Atchison received recognition for his exceptional handling of the emergency.
The incident demonstrated why aviation places such enormous emphasis on pilot training and cockpit procedures.
A Small Mistake, A Huge Lesson
Perhaps the most enduring lesson from Flight 5390 is that aviation safety depends on thousands of small details.
Aircraft are complex machines.
Every component matters.
Every maintenance procedure matters.
Every inspection matters.
A single incorrectly installed component can have consequences far beyond what anyone working on the aircraft might expect.
The windscreen failure therefore became a powerful reminder that safety is not created by one person.
It is created by a system.
Pilots.
Engineers.
Maintenance crews.
Inspectors.
Manufacturers.
Air traffic controllers.
Cabin crews.
Every part of that system matters.
Why Aviation Investigations Matter
When an aviation incident occurs, investigators do more than determine what happened.
They also ask why it happened.
What failed?
Why did it fail?
Who installed the component?
Were the procedures clear?
Were the correct parts used?
Were inspections adequate?
Could the same mistake happen again?
The goal is to identify weaknesses and prevent similar incidents from occurring in the future.
That process is one of the reasons commercial aviation has developed such an extensive safety culture.
The Legacy of Flight 5390
More than three decades later, the story of British Airways Flight 5390 remains extraordinary.
It is remembered not because the aircraft crashed, but because it didn't.
A catastrophic cockpit failure occurred at high altitude.
The captain suffered an unimaginable injury.
The crew faced a situation they could never have expected.
And yet the aircraft landed safely.
The event became a remarkable demonstration of what trained professionals can accomplish under extreme pressure.
The Bigger Lesson
There is a tendency to think of aviation safety in terms of technology.
Modern aircraft contain sophisticated computers, navigation systems, sensors, warning systems, and redundant equipment.
But Flight 5390 reminds us that technology is only one part of aviation safety.
Human beings remain essential.
The first officer's ability to fly the aircraft mattered.
The cabin crew's decision to hold onto Lancaster mattered.
Air traffic control's assistance mattered.
The emergency response on the ground mattered.
And the maintenance procedures that failed before the flight mattered just as much.
Safety is built from all of these pieces working together.
Final Thoughts
On June 10, 1990, British Airways Flight 5390 experienced a disaster that seemed almost impossible to survive.
At approximately 17,300 feet, the cockpit windscreen failed.
Captain Timothy Lancaster was partially pulled from the aircraft.
Members of the crew held onto him while First Officer Alastair Atchison took control of the aircraft and initiated an emergency descent.
For around 20 terrifying minutes, the crew fought to keep the aircraft—and its injured captain—safe.
Then came the landing at Southampton.
Against extraordinary odds, Lancaster survived.
Investigators later traced the windscreen failure to incorrect installation of the securing bolts during maintenance, turning what might have seemed like a small technical error into a potentially catastrophic event.
But the story is ultimately about more than the failure.
It is about what happened afterward.
A first officer who remained focused.
Cabin crew who refused to let go.
Controllers who helped coordinate the emergency.
Emergency workers waiting on the ground.
And a captain who somehow survived an experience that should have been unsurvivable.
Flight 5390 remains one of aviation's most astonishing reminders that when something goes terribly wrong, training, preparation, teamwork, and calm decision-making can make the difference between tragedy and survival.
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