ATC Actions upon a Pan/Mayday
Hi all, would any helpful controllers reading this be willing to give me some insight into the practical differences in actions that ATC take in the event of a commercial airliner declaring a Pan Vs a Mayday. I’m a 320 skipper working for a UK airline - in the simulator it is often talked about and debated eg for a PAN it is widely believed that you get little priority and operations continue on around you as normal. On the other extreme, if you declare a Mayday this includes local fire services and ambulances being called in from outside of the airport, hospitals being put on standby (including non-urgent surgery being postponed keeping theatres available!). some general info and background from the horses mouth would be greatly appreciated. |
Spiral,
I've been retired a while, but a good initial source of information is CAP 493, (available online), which is The Manual Of Air Traffic Services Part 1. Its contents apply to all U.K. ATC units and Section 5 deals with emergency situations. Each unit also has a 'MATS Part 2', which covers the procedures at individual ATC units, but these are not usually available online. I dare say lots of information will follow from those currently working at ATC units or in the training system. Also, certain NATS units often ask for aircrew to take part in 'emergency training days', often at the 2 main ATC centres, but it's always worth checking with aerodrome units too. |
Originally Posted by SpiralStability
(Post 10410792)
Hi all, would any helpful controllers reading this be willing to give me some insight into the practical differences in actions that ATC take in the event of a commercial airliner declaring a Pan Vs a Mayday. I’m a 320 skipper working for a UK airline - in the simulator it is often talked about and debated eg for a PAN it is widely believed that you get little priority and operations continue on around you as normal. On the other extreme, if you declare a Mayday this includes local fire services and ambulances being called in from outside of the airport, hospitals being put on standby (including non-urgent surgery being postponed keeping theatres available!). some general info and background from the horses mouth would be greatly appreciated. I’ve seen a MAYDAY declared due to a sick passenger, and no emergency response was declared by ATC, apart from ensuring the local ambulance service were aware. Likewise, I’ve seen conditions in flight that don’t merit a PAN receive a ‘Full Emergency’ emergency response. So, MAYDAY/PAN is basically how much priority you want on approach and how much devoted attention you want, but emergency response is determined based on what’s actually wrong. |
If you declare a MAYDAY, I'm going to Squawk you 7700 and send you direct to where ever is the most expeditious fix and then coordinate. If you declare a PAN, I'll consider 7700, coordinate first, and then I'll send you direct on the most expeditious route once it has been all tied up which could take a few minutes. I also agree with Gonzo, there is an element of what you tell us in what we do next too, and as has happened recently with two MAYDAYs and two PANs all heading for the same piece of concrete, if you only declare a PAN you could get "take up the hold for one spin, MAYDAY traffic ahead", it's rare, but it's happened!!
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I'm well-retired from operational work but my answer would be as above, really - it depends entirely on what follows the mayday or pan call.
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Just don't forget:
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What the pilot says defines nothing to do with the response to the level. Basically as soon as you mention anything then the response is utterly nothing that you can control.
I have requested descent been refused then declared to get down to fl100 cancelled, down at fl100 for another 1:30 then been met by a 747 worth of water and ambulance for 9 souls on board. For the next 5 days after that had numerous requests from various government bodies asking about said emergency. How the hell they got my number I don't know. My reply of it wasn't an emergency and please contact the satco of xyz airfield for the reason why you pissed 20k of overtime up the spout plus left half of Highland region without fire cover due every engine heading south to deal with a 747 that couldn't fit on the runway at Min dry weight anyway for a crappy tp. You would have thought that if an aircraft has flown past Manchester, Edinburgh, Prestwick, Glasgow. It's not going to need afs, full local services, 20 ambulance and multiple local fs. But a swift controller seemed to think it was required. But as soon as controller knows there is an issue the pilot can say what they like the response level is completely outside thier control. Go into Man with a donk shut down on a pan and you get asked do you want anything? Answer No, And it's a normal taxi in no blues and twos, not even a follow me to the stands you have zero clue about if you normally park in the caldsack. |
Speaking as a non-UK controller, either call will get you my undivided attention for as long as you need it.
As the others said above, the ground response will depend on what's actually wrong, and range from an ambulance being called to meet the aircraft, to full bells and whistles, or even the rescue coordination centre (SAR) being activated if a remote forced landing (or worse) is considered likely. |
I believe, in the London TMA, the current situation is a PAN will get you priority and no delay to wherever you determine, current runway config, a MAYDAY the same but the option of the non duty runway (wrong end). |
For the next 5 days after that had numerous requests from various government bodies asking about said emergency. How the hell they got my number I don't know. My reply of it wasn't an emergency and please contact the satco of xyz airfield for the reason why you pissed 20k of overtime up the spout plus left half of Highland region without fire cover due every engine heading south to deal with a 747 that couldn't fit on the runway at Min dry weight anyway for a crappy tp. |
Ive been in a civil tower once when a tornado aborted take off and asked for the fire crew to have a look in case his brakes were ‘a bit warm.’ According to local orders that constitutes an AGI. Also according to local orders an AGI initiates help from outside agencies so 10 minutes later a dozen fire engines and two dozen ambulances turned up! |
If you call a PAN I'll put my coffee down, upgrading to a Mayday means I'll put the newspaper down as well :}
Seriously, it's been covered well enough by most of the previous replies. Either will get the attention of every controller and then we'll go from there |
Originally Posted by The Many Tentacles
(Post 10411223)
If you call a PAN I'll put my coffee down, upgrading to a Mayday means I'll put the newspaper down as well :}
Seriously, it's been covered well enough by most of the previous replies. Either will get the attention of every controller and then we'll go from there |
thanks all for your responses, really useful. one further question - does making a mayday call ever guarantee a sterile runway? I guess your answer will be similar i.e. it depends - there are some failures on the bus where once the gear is down, we are effectively committed due to the huge increase in fuel burn and therefore making a go-around almost always a non-starter. I therefore generally recommend requesting landing clearance at 10 miles before extending the gear. Any thoughts? |
Very much an ‘it depends’ answer as you surmise. But in that situation I would expect ATC to understand the issue and agree a point after which the runway is yours. However, there are academic discussions that can be had about what sterile means - for example, are departures ok whilst your aircraft is on approach, can vehicles cross the runway before you get there, and so on. My personal view would be in the circumstances you describe that I would not allow anything on the runway after you are committed to land but I have no doubt others may hold different views. And I suspect those views may be different at a very busy airport. |
Originally Posted by SpiralStability
(Post 10413755)
thanks all for your responses, really useful. one further question - does making a mayday call ever guarantee a sterile runway? I guess your answer will be similar i.e. it depends - there are some failures on the bus where once the gear is down, we are effectively committed due to the huge increase in fuel burn and therefore making a go-around almost always a non-starter. I therefore generally recommend requesting landing clearance at 10 miles before extending the gear. Any thoughts? Single runway so I sent Orion around....thinking was if Orion blocks runway with a burst tyre then 747 is not a happy bunny. No questions asked of my decision. ...but that was then. |
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