Emergencies, in their own words
When a flight runs into trouble, the real reason tends to move over ACARS first: a medical onboard, smoke in the cabin, an engine shut down, a fuel problem. Often before the airline says anything.
Diversions as they happen
A new destination gets worked out between the crew and dispatch over ACARS. You can watch the decision form in real time instead of reading about it the next day.
The human moments
Plain text between the cockpit and the ground. Usually logistics. Sometimes a message you do not expect to see come down from 38,000 feet.
Weather and what is ahead
Crews pull the latest conditions for the airports and the air in front of them, often automatically, so they are not flying into a surprise.
Fuel and the numbers
How much fuel is on board, how it is burning, and whether the plan still holds. The quiet math behind a safe arrival.
Maintenance the airline sees first
Aircraft report faults and engine data on their own, so the company can have parts and a plan waiting on the ground.
Most of this never reaches a passenger. Flight Deck pulls it from across the world, filters tens of thousands of messages down to what matters, and decodes it for you, so you catch the emergency or the diversion as it happens. For the bigger picture, see what ACARS is and the message types.
Read the cockpit yourself
Tap any flight and see the real ACARS messages, decoded. Free on the App Store.
Download Flight Deck