When Toilets Attack: The Hilarious and Horrifying Truth About Blue Ice
- Todd Skaggs.
- Jun 20
- 3 min read

At Brookfield Aviation, we’re usually talking about the most exciting frontiers in global aviation. We talk about advanced aircraft, precision engineering, world-class pilots. But even in this world of high performance and polished professionalism, the skies occasionally produce a tale so ridiculous that it demands attention. This one involves toilets, freezing temperatures, and roofs that never saw it coming.
Welcome to the very real, very bizarre phenomenon of blue ice.
What Is Blue Ice?
Blue ice forms when an aircraft’s lavatory system develops a minor leak. The waste is treated with a blue disinfectant, giving the resulting mess its unfortunate name. At cruising altitude, where outside temperatures can fall below –60°C, any leakage will freeze immediately on contact with the aircraft fuselage. When the aircraft begins to descend into warmer air, the ice can break loose and fall.
And sometimes, it lands with consequences.
Real Events That Sound Utterly Made Up
One morning in Hampshire, a man enjoying his tea in the conservatory was rudely interrupted when a football-sized lump of blue ice smashed through the roof. It left a hole, a mess, and an insurance claim for more than £10,000. That’s not a bad weather day. That was a plumbing disaster at 30,000 feet.
In Sagar, India, a woman was struck on the shoulder by what many first assumed to be a meteorite. Authorities and curious locals gathered. Upon analysis, the icy projectile turned out to be far less celestial and far more unfortunate — a frozen chunk of aircraft lavatory waste. The woman was hospitalised but recovered fully. The story, however, stuck around.
Canada hasn’t been spared either. One man was washing his car when a sudden whistle in the air gave him just enough time to duck. Moments later, his windscreen exploded under the weight of a plummeting block of blue ice. Thankfully, he was unhurt — just traumatised.
And perhaps most memorably, in 1971 a piece of blue ice crashed straight through the roof of a chapel in London during a quiet service. Divine intervention? Not quite.
More Common Than You’d Think
While blue ice incidents might seem like one-in-a-million accidents, they’re more frequent than most would expect. The UK Civil Aviation Authority receives around 25 reports each year. Similar figures have been recorded in North America. Most chunks land harmlessly in fields or break up mid-air. But every so often, a garden shed, or a parked car takes the hit.
The causes are usually minor — a hairline crack in a waste valve, a poor seal around a fitting. Commercial aircraft waste systems are designed to be sealed, regularly inspected, and completely leak-proof. But no system is perfect.
The Serious Side of the Absurd
At Brookfield, we work closely with aviation professionals across the globe. From engineers to operators, we know just how much effort goes into keeping aircraft safe, reliable, and sanitary. Stories like these might seem ridiculous, but they highlight the importance of rigorous inspection and maintenance, even for systems most passengers would rather not think about.
It’s a humbling thought. You could be flying on one of the most technologically advanced machines ever built, yet a frozen pipe and a faulty valve might turn it into the punchline of someone’s bad day.
A Final Word from Ground Level
Next time you’re out in the garden and hear an odd crack overhead, spare a thought for the maintenance crews working behind the scenes. They’re the unsung heroes preventing your patio furniture from being flattened by frozen toilet waste.
While aviation might soar high with ambition and elegance, it also occasionally drops a rather chilly reminder that even the best systems need constant care.
At Brookfield Aviation, we embrace every facet of the flying world. The inspirational, the innovative, and yes, the unexpectedly absurd. It keeps us grounded, even when the job is 35,000 feet in the air.






















