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Smoke Smell in the Cockpit – Holiday Jet Turns Back: A Reality Check for Mallorca

Understanding Squawk 7700 in airline emergencies

What the emergency code 7700 means when a flight returns to Palma after smoke in cockpit.

Published: July 14, 2026
Smoke Smell in the Cockpit – Holiday Jet Turns Back: A Reality Check for Mallorca

Answer

What is Squawk 7700 and why did it appear in the Mallorca incident?

Squawk 7700 is the emergency transponder code used when an aircraft faces an in-flight hazard. Using it signals an emergency and prompts a return for safety checks.

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