AS332L2 Ditching off Shetland: 23rd August 2013
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Close FED. IT became a curry house then Jimmy Chungs Chinese and the last I heard Jimmy Chung had moved on so maybe one of the ABZ based guys can tell us what it is now!!
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Dyce tandoori, or it was last week..
CHC's turn for a 332 emergency landing.
BBC News - Distress call helicopter lands safely in Shetland
CHC's turn for a 332 emergency landing.
BBC News - Distress call helicopter lands safely in Shetland
How about a derivation of a military troop-lifting helicopter adapted for other purposes, one that I get to sit in every three weeks or so. But hey, if it's only me that thinks it's unsuitable, what does it matter. What do you guys get to travel offshore in?
Are you aware that the Bell 212 (the Huey) and the AB212, and indeed the entire "Huey" family of helicopters, one of the more successful helicopter designs ever built, is a derivation of a military troop lifting helicopter adapted for other purposes?
Bell Huey family - Wikipedia, the free encyclopedia
Suggest you look into how many hours and how many sorties have been flown by that model of aircraft (the Puma variant in question in this thread) doing just what it does for you on occasion: get folks to and from a rig.
It was built to haul people places.
It hauls people places.
How much more Fit For Purpose can one get, I ask?
(Observations on window and door size appreciated and taken into consideration).
Originally Posted by Lonewolf_50
Good enough for the troops, but beneath you, is that it?
How much more Fit For Purpose can one get, I ask?(Observations on window and door size appreciated and taken into consideration).
Last edited by diginagain; 29th Jan 2014 at 20:36.
You are saying you already have 2 windows to choose from, how many more would you like? Or would it be easier if there was only one - then no decision needs to be made?
I think you'll find that a supposition is a statement, whereas a question has a question mark. But since you have declined to answer the question and instead created a smokescreen, I guess I can reasonably switch from a question to supposition.
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HC
Surely you can make the connection between inter-twined passengers crammed in like sardines and the difficulty that is likely to be experienced trying to evacuate a ditched helicopter before they drown.
Who in such a situation is realistically going to follow HUET discipline and allow their fellow passenger to exit first and who is going to have the room to manoeuvre to correctly activate their re-breather should their exit be impeded?
I am constantly amazed at the advertised seating capacity of virtually all helicopters. Japanese subway trains offer more breathing space for passengers. An eye-watering number of often 'well-fed' passengers are being squeezed into North Sea helicopters and being bulked up further with survival suits and life jackets. It's not on to suggest that people are merely concerned with comfort.
Surely you can make the connection between inter-twined passengers crammed in like sardines and the difficulty that is likely to be experienced trying to evacuate a ditched helicopter before they drown.
Who in such a situation is realistically going to follow HUET discipline and allow their fellow passenger to exit first and who is going to have the room to manoeuvre to correctly activate their re-breather should their exit be impeded?
I am constantly amazed at the advertised seating capacity of virtually all helicopters. Japanese subway trains offer more breathing space for passengers. An eye-watering number of often 'well-fed' passengers are being squeezed into North Sea helicopters and being bulked up further with survival suits and life jackets. It's not on to suggest that people are merely concerned with comfort.
I shall cede the point to you, HC, and thank satsuma for his post, which puts rather more eloquently that which I had considered writing in response.
Do feel free, when the opportunity presents itself, to observe the ergonomic-nightmare that is the 332/225 cabin when full.
Do feel free, when the opportunity presents itself, to observe the ergonomic-nightmare that is the 332/225 cabin when full.
I am well aware of how cramped a 332/225 cabin is when full of well fed and well suited chaps. However, poor legroom, which I fully agree makes it uncomfortable in some seats, does no translate into poor safety. Even after we understand that we are only looking at a small subset arrivals in the water - those between where an orderly and calm evacuation right-sides up is the consequence, and where the impact forces make the arrival unsurvivable (ie currently a 1 in 22 year event), I don't see a connection with legroom. Window size, proximity, ease of operation, not having to be second out etc, Yes. But legroom? No. That is just a comfort thing. There is nothing wrong with the unions clamouring for more comfort but I resent it when it is disguised to look like a safety plea.
Excuse me....I seem to have lost my way on this discussion.
If you are Cheek on Jowl....elbow to elbow...legs intertwined....your noggin is bumping the overhead....and you are even second in line for an exit....assuming everyone does exactly as they are supposed to and no one is incapacitated.....is it really just "comfort" HC....really?
Now I really do hate to broach the topic....but is it a situation that is common to all the aircraft operating on the North Sea...or is it unique to the 225/332 aircraft the guys are concerned about?
Even the old lovely 212 had its downside when it came to emergency exits with nine folks trying to get out of two windows. The Dauphin must have been a real thrill if you were stashed away in the rear end of it. The 76 was not much better.
Do we need an aircraft that has a big Window by each row of seats or perhaps turn the seating so that each two rows face one another with a huge window on either side of the aircraft like the 212?
If you are Cheek on Jowl....elbow to elbow...legs intertwined....your noggin is bumping the overhead....and you are even second in line for an exit....assuming everyone does exactly as they are supposed to and no one is incapacitated.....is it really just "comfort" HC....really?
Now I really do hate to broach the topic....but is it a situation that is common to all the aircraft operating on the North Sea...or is it unique to the 225/332 aircraft the guys are concerned about?
Even the old lovely 212 had its downside when it came to emergency exits with nine folks trying to get out of two windows. The Dauphin must have been a real thrill if you were stashed away in the rear end of it. The 76 was not much better.
Do we need an aircraft that has a big Window by each row of seats or perhaps turn the seating so that each two rows face one another with a huge window on either side of the aircraft like the 212?
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HC,
Most of your arguments are logical and well-reasoned but here I think you're just being argumentative for the sake of it. The reference to inter-twined legs is clearly just a method of highlighting conditions in the back of the aircraft, not a reason for randomly accusing an entire workforce of being a bit precious about levels of comfort. You're starting to come across as a bit dim, which you're obviously not, so please stop it. Furthermore, I feel it would be sensible for you to stop tempting fate by labelling ditchings of this type as a 1 in 22 year event. Cold statistical facts are for the use of management and money men.
Most of your arguments are logical and well-reasoned but here I think you're just being argumentative for the sake of it. The reference to inter-twined legs is clearly just a method of highlighting conditions in the back of the aircraft, not a reason for randomly accusing an entire workforce of being a bit precious about levels of comfort. You're starting to come across as a bit dim, which you're obviously not, so please stop it. Furthermore, I feel it would be sensible for you to stop tempting fate by labelling ditchings of this type as a 1 in 22 year event. Cold statistical facts are for the use of management and money men.
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If the legroom on a 225 is just a "comfort thing" then might I suggest you try sitting in the right hand seat of the starboard aft facing row of two in front of the three rearmost seat with a full load of pax. There is literally nowhere to put your legs, everyone is clamouring for space. I did a just over a two hour flight in that seat and after landing my legs ached until after I got home. Even cattle have minimum space requirements when being transported. But not apparently offshore workers.
But not to worry as I wont be doing it again, I have decided to move on from the offshore industry as it quite clearly has its head inserted right up its rectum. And they wonder why they are struggling to get workers when you go to check in, have your bag checked only to be told that you cannot take your sealed bottle of Centrum multivitamins offshore "because its a drug".
Think I need a name change ..
But not to worry as I wont be doing it again, I have decided to move on from the offshore industry as it quite clearly has its head inserted right up its rectum. And they wonder why they are struggling to get workers when you go to check in, have your bag checked only to be told that you cannot take your sealed bottle of Centrum multivitamins offshore "because its a drug".
Think I need a name change ..
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Helicomparitor
However, if I were a pax, I would prefer that max effort went into keeping the helicopters airborne, rather than spending too much effort on what happens after an uncontrolled ditching, only a small spectrum of which would entail any benefit by reducing pax numbers.
ie a controlled ditching - everyone gets out OK.
A completely uncontrolled ditching (crash) - chances are everyone dies on impact.
A slightly uncontrolled ditching such as the Shetland one, yes for that case certainly the chances of successful evacuation is improved with fewer pax. But it is the only one out of all the recent arrivals in the water, where that is the case.
However, if I were a pax, I would prefer that max effort went into keeping the helicopters airborne, rather than spending too much effort on what happens after an uncontrolled ditching, only a small spectrum of which would entail any benefit by reducing pax numbers.
ie a controlled ditching - everyone gets out OK.
A completely uncontrolled ditching (crash) - chances are everyone dies on impact.
A slightly uncontrolled ditching such as the Shetland one, yes for that case certainly the chances of successful evacuation is improved with fewer pax. But it is the only one out of all the recent arrivals in the water, where that is the case.
1. Comfort - yes it has to be improved, the post above is exactly accurate. But I don't think it should be improved to the point where we have 10 pax in a 225, requiring double the aircraft and double the pilots. I think this increases risk - the last two fatal crashes seem to be due to maintenance, and the pilots flew an airworthy aircraft into the sea. It is already hard finding pilots and maint crew - don't want to dilute the existing pool with rushing in newly trained people.
2. Escapabilitly - has improved over the years from days of chinook, bell 212/214, s76, dauphin. 225 has best escape windows but most cramped cabin. S92 has spacious cabin - windows are too small.
3. Rebreather - really needs to be reviewed - this accident probably will show it's totally ineffective if you have not advance warning to deploy. There appear to be better systems out there.
4. Pax size - needs to be looked at - offshore pax must realise their size (getting bigger and I include myself) does not help in comfort or safety terms - so perhaps we should put stricter limits in place - if I had to be lighter and less bulkier to keep my job I am sure I would achieve that goal.
and to be clear - a ditching is a concious decision on the part of the pilots to land on water - anything else is a crash.
HC,
Most of your arguments are logical and well-reasoned but here I think you're just being argumentative for the sake of it. The reference to inter-twined legs is clearly just a method of highlighting conditions in the back of the aircraft, not a reason for randomly accusing an entire workforce of being a bit precious about levels of comfort. You're starting to come across as a bit dim, which you're obviously not, so please stop it. Furthermore, I feel it would be sensible for you to stop tempting fate by labelling ditchings of this type as a 1 in 22 year event. Cold statistical facts are for the use of management and money men.
Most of your arguments are logical and well-reasoned but here I think you're just being argumentative for the sake of it. The reference to inter-twined legs is clearly just a method of highlighting conditions in the back of the aircraft, not a reason for randomly accusing an entire workforce of being a bit precious about levels of comfort. You're starting to come across as a bit dim, which you're obviously not, so please stop it. Furthermore, I feel it would be sensible for you to stop tempting fate by labelling ditchings of this type as a 1 in 22 year event. Cold statistical facts are for the use of management and money men.
We are quite happy to fly over water in an airliner, without pop-out windows and with the nearest exit many rows away. Why? Because they don't fall into the water very often (and when they do, it is usually unsurvivable). Surely we should be aiming for the same thing?
I think your dislike of statistics is a little childish - if were to deny ourselves the use of statistics to drive the direction of effort to make the best improvements, we would be very foolish.
Finally, in response to O. A., yes I know that seat leaves very little space to put you legs and no, I wouldn't want to spend 2 hrs in it. On the other hand you are sitting right next to a class IV emergency exit, and I don't think that having your legs overlapping (not intertwined, unless you have rubber legs) is a significant factor in an emergency evacuation. FYI the space for me in the front, having to drive at the same time, at 6'4 1/2", is no better than it is in the back. So yes I would like more room in the front and the back, but it is not the highest priority safety issue.
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HC - "they don't fall into the water very often (and when they do, it is usually unsurvivable). Surely we should be aiming for the same thing?"
What make it unsurvivable too !?
What make it unsurvivable too !?
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I don't think that's what he was saying at all. He was saying most fixed wing crashes are not survivable - and I think statistics back him up - although some do have survivors and the controlled landing on the Hudson River was a great example.
I think he is saying - controlled ditching - good sea state - easily survivable for all with easy evacuation of the cabin to rafts - proved with the 225's incidents.
Uncontrolled crash - as with the bond L2 - not survivable at all - regardless of cabin config.
This is what I am trying to say
The Shetland L2 crash - rare event - a crash which is not fully uncontrolled - but helicopter inverts quickly - which could be same as controlled ditching with poor sea state - this is where exits/space come into play and a much more difficult evacuation. One person next to window who fails to get out for whatever reason (e.g. heart attack from cold shock)- that exit remains blocked - and the person next to this is searching for an alternative - which may be very difficult.
But making cabin spacious and easy to evacuate for this scenario may decrease risk in this rare case - but the overall risk to pax may increase if we double the fleet and pilots and movements - and landings on offshore platforms - and for the bears more delays!
I don't think we know how many failed to get out in this incident, definitely one, possibly two? And we do not have confirmed cause of death yet for all 4?
In this scenario I think the current rebreather is useless - and the use of it needs to be reviewed to see if there is something better.
I think he is saying - controlled ditching - good sea state - easily survivable for all with easy evacuation of the cabin to rafts - proved with the 225's incidents.
Uncontrolled crash - as with the bond L2 - not survivable at all - regardless of cabin config.
This is what I am trying to say
The Shetland L2 crash - rare event - a crash which is not fully uncontrolled - but helicopter inverts quickly - which could be same as controlled ditching with poor sea state - this is where exits/space come into play and a much more difficult evacuation. One person next to window who fails to get out for whatever reason (e.g. heart attack from cold shock)- that exit remains blocked - and the person next to this is searching for an alternative - which may be very difficult.
But making cabin spacious and easy to evacuate for this scenario may decrease risk in this rare case - but the overall risk to pax may increase if we double the fleet and pilots and movements - and landings on offshore platforms - and for the bears more delays!
I don't think we know how many failed to get out in this incident, definitely one, possibly two? And we do not have confirmed cause of death yet for all 4?
In this scenario I think the current rebreather is useless - and the use of it needs to be reviewed to see if there is something better.
thelearner - yes, good post. It is always very important to look at the effect any change makes on overall safety. There is no point in putting the blinkers on to fix a problem when you create a new and worse one!