What Are Squawk Codes Activated By Air India AIC129 During Bomb Threat?

Air India flight AI129 from Mumbai has declared an emergency due to a bomb threat. The Boeing 777-300ER issued the alert while approaching London Heathrow. According to Flightradar24, a flight tracking service, the Air India aircraft from Delhi sent out an emergency signal while flying over London on Thursday. The reason for the emergency signal remains unclear.

Flightradar24 posted on X: "Air India flight AIC129 from Mumbai to London is squawking 7700, indicating a general emergency. The reason is currently unknown."

In the realm of aviation, squawk codes play a crucial role in ensuring the safety and security of flights. These four-digit codes, used by Air Traffic Control (ATC), are essential for identifying and tracking aircraft in various scenarios, particularly during emergencies.

What Are Squawk Codes?

Squawk codes range from 0000 to 7777 and are unique identifiers assigned to aircraft during flight. While some codes are generated randomly by ATC, others have specific meanings that indicate particular situations. For instance, the code 7700 universally signals a general emergency, prompting immediate attention from ATC.

How Do Squawk Codes Work?

When an aircraft enters ATC radar coverage, the controller assigns a squawk code to it. This code instructs the pilot to activate the aircraft's transponder, which relays information about the plane's location, altitude, and other pertinent data back to ATC. In emergency situations, pilots can switch to the assigned squawk code to alert controllers to their distress, allowing for a swift response.

On Thursday, Air India flight AIC129 transmitted squawk code 7700, indicating a general emergency that requires immediate attention from ATC while approaching London Heathrow. The flight transmitted squawk code 7700, indicating a general emergency. This incident is part of a troubling trend, with 20 Indian flights having to make emergency landings recently due to various threats, including false bomb alerts.

Another recent event involved a Vistara flight from Frankfurt to Mumbai, which was subjected to a security threat posted on social media. The aircraft was safely landed and isolated for inspection upon arrival at Chhatrapati Shivaji Maharaj International Airport. Such incidents illustrate the vital role squawk codes play in enhancing aviation safety and the quick actions that follow.