A Royal Navy Merlin helicopter (ZH850) squawked 7700 at low level after departing RNAS Culdrose.

The Open Source Intelligence Twitter account SkyWatcher Intel is following this, if you don’t follow them then I’d suggest you go do that now.

The aircraft is no longer visible on tracking services but this is routine for military aircraft.

The aircraft and crew landed safely.

What is the significance of “Squawking 7700”?

Captain Hoke is a Boeing 757/767 captain for a package express airline and also runs the website AeroSavvy, he had this to say.

“Declaring an emergency means the crew determines they have an ‘urgency’ or ‘distress’ situation. “Urgency” means the crew is concerned about the safety of the flight and needs timely (but not necessarily immediate) assistance. A ‘distress’ condition means that the flight is in serious and/or imminent danger and requires immediate assistance”.

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Paul42

Do we know anymore about this? Has the Merlin landed safely?

Rob Collinson

We have fingers crossed waiting for news. Please update us!!

Paul42

Aircraft and crew landed safely. Thanks for the update.

Herodotus

How on earth does a tyre disintegration happen on a helicopter…..other than on a time expired unit?