After the latest Indigo Delhi-Srinagar flight encountered a hailstorm mid-air, the Directorate Basic of Civil Aviation (DGCA) acknowledged that the crew adopted all emergency procedures earlier than declaring a “PAN PAN” to Srinagar Air Visitors Management (ATC), and requested for RADAR vectors. The plane landed safely, with no accidents reported, and Auto Thrust functioning usually.
This incident prompted a better have a look at the 2 key aviation misery indicators utilized by pilots to convey urgency or emergency conditions: PAN PAN and Mayday. What do they imply, and the way are they completely different? Specialists weigh in.
What’s the distinction between PAN PAN and Mayday?
Colonel Rajgopalan, the founding father of Aviation Coaching India, defined that Mayday is used for life-threatening emergencies, whereas PAN PAN signifies an pressing however “non-life-threatening” scenario. “Mayday is reserved for probably the most critical emergencies the place life or the protection of the plane is in rapid hazard,” he mentioned. “PAN PAN is a step under Mayday and is used when one thing is pressing, however doesn’t pose a direct threat to life. Each indicators assist pilots talk clearly with air site visitors management,” he mentioned.
Rajagopalan additionally mentioned, “If a pilot can’t talk with air site visitors management, they will make a misery name on the VHF Guard frequency, 121.5 MHz.”
When would a pilot use Mayday?
Dhairyashil Vandekar, an aviation professional and analyst, mentioned Mayday is utilized in situations involving “grave and imminent hazard,” reminiscent of extreme plane malfunction (like engine failure), onboard fires, cardiac arrest, or hijacking. “Mayday comes from the French m’aidez, which suggests ‘assist me’,” he mentioned. “It indicators that the plane wants rapid help and takes precedence over all different radio communications.”
What does PAN PAN sign imply?
PAN PAN, then again, is used to convey pressing conditions that additionally require immediate consideration however aren’t as life-threatening.
“Such conditions could also be created by engine failure, however with none threat of crashing or non-critical medical conditions like a minor damage, sickness, weather-related points and so on. PAN PAN originates from the French phrase ‘panne’ which means ‘breakdown’,” mentioned Vandekar.
How is an aviation misery name transmitted?
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In emergency inflight conditions, Vandekar asserted that the pilot normally transmits a message to ATC starting with mayday or PAN PAN repeated thrice, adopted by a declaration of emergency, the rationale for it, and requesting precedence dealing with and help. “ATC can also be knowledgeable of the plane name signal, sort of emergency, plane location, and intention of the pilot, like desirous to divert or emergency companies required and so on,” mentioned Vandekar.
Right here’s what to contemplate (consultant) (Picture: Freepik)
Why right utilization issues
Specialists burdened the significance of utilizing the proper sign to keep away from miscommunication and make sure the proper response.
“Complicated PAN PAN with Mayday can result in pointless panic, delayed response, or misallocation of sources,” mentioned Vandekar. “Worldwide laws, together with these by the Worldwide Civil Aviation Group (ICAO), emphasise exact use of those phrases to preserve security and coordination throughout emergencies,” he mentioned.
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“By strictly adhering to worldwide requirements and pointers in such conditions, plane pilots guarantee efficient and flawless communication, which helps the ATC to swiftly and accurately cope with the scenario to make sure the protection of passengers, crew, and plane,” mentioned Vandekar.
DISCLAIMER: This text is predicated on info from the general public area and/or the consultants we spoke to.