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-   -   North Sea heli ditching: Oct 2012 (https://www.pprune.org/rotorheads/498649-north-sea-heli-ditching-oct-2012-a.html)

HeliComparator 23rd Oct 2012 15:57


I know what you are getting at but the main shaft fracturing isn't a detail problem, I would suggest it's more than a small detail.
If you bear in mind that the design of shaft has run for millions of flight hours in the 332L, L2 and 225 without problem (up until last year), then the concept must be OK. Some detail changed in the manufacturing process recently (different surface treatments etc) and that precipitated the problem for the Bond ditching. (Whether or not for this one, we don't yet know.). So I would say that since a small detail change caused the problem - albeit a pretty catastrophic problem - it is a small detail change to fix it.

cyclic 23rd Oct 2012 16:12

HC, I totally agree, let's hope that they DID fix it. Let's also hope that they properly test any other new systems or detail changes as I never wanted to be a test pilot. If this was a fixed wing from one of the major manufacturers then I think it would be making a bit more impact. These aircraft aren't exactly cheap!

jimf671 23rd Oct 2012 16:27

Nice pics shetlander. Are you promoting it as a floating resort location?



Where do we go now?
- Super Puma gearbox: black mark
- S-92 gearbox: black mark


Anyone for S-61T?

Pittsextra 23rd Oct 2012 16:34

Cyclic - given you fly them surely the process of finding out what went wrong is a little more structured than "hoping" they fixed the problem??

turboshaft 23rd Oct 2012 16:48


Originally Posted by jimf671
Anyone for S-61T?

Not the epitome of program perfection either. Four years after the program was first announced we're still waiting for the first Triton to be delivered; the 15 or so shipped to date have all been refurb'd analog S-61Ns.

Savoia 23rd Oct 2012 17:02

Shetlander: Well done in getting these photos to the thread, much appreciated! :ok:

MoodyMan 23rd Oct 2012 17:17

Playing around with Shetlander's 2nd photograph in Photoshop uncovers a rather large soot / oil mark extending from the left hand engine to the tail rotor.

jimf671 23rd Oct 2012 17:27


... ... never fitted to a complete system before entering service. ...
When I read S5/2012 the other day I was quite surprised to read that.

One would expect there to be validation and review stages in the design control system that would have led them down a different path.

iamthetroll 23rd Oct 2012 17:39

@Moodyman:
As is quite normal for these machines, especially 225s after a day's flying. Very smoky.

nessboy 23rd Oct 2012 17:43

On its way to Peterhead on board a supply ship.

HeliComparator 23rd Oct 2012 17:46


Playing around with Shetlander's 2nd photograph in Photoshop uncovers a rather large soot / oil mark extending from the left hand engine to the tail rotor.
The engines do burn a lot of oil normally- the air oil separator is not very efficient so oil mist tends to find its way into the exhaust area, where it is cooked sufficiently to make it a black mess - but not sufficiently to burn it off.

The latest engine mod state has an improved separator and so a cleaner exhaust, but this is by no means implemented in the whole N Sea fleet.

Clive J 23rd Oct 2012 18:01

Olympics zeus
 
Olympic Shipping*

Due in Peterhead at 03.30

Offshorebear 23rd Oct 2012 19:05

Wonder how much it cost to spot charter that vessel - or can they claim salvage rights (or ransom) on the helicopter ? :)

heliwanab 23rd Oct 2012 19:06

Great end result of course but Just wondered why lossie SAR and a bond jigsaw attended,where was Shetland coastguard?? Surely they were closer

Sick Hors Ski 23rd Oct 2012 19:19

Normally Puma`s migrate to Dutch beaches this time of year, give or take a month..............

helicrazi 23rd Oct 2012 19:22

Bond 2 are practically next door to the Sumburgh Coastguard, so no distance advantage there and they were on a tasking at the time.

Ullevi 23rd Oct 2012 19:40

Offshorebear :

£65k a day for the vessel according to Westshore Shipbrokers AS - A leading Offshore Shipbroker in Norway. | Home

nessboy 23rd Oct 2012 20:00

"Shetland Coastguard’s own search and rescue 102 was on a medevac to Aberdeen Royal Infirmary when the call came in."

jimf671 23rd Oct 2012 20:20


Great end result of course but Just wondered why lossie SAR and a bond jigsaw attended,where was Shetland coastguard?? Surely they were closer
See data from AIS shown in my post on page 2.

Variable Load 24th Oct 2012 00:50



I suppose it is time for HC to jump in here and tell us how superior the 225 is when compared to the 92.
When it is flying, it is of course vastly superior to the S92. However, when it falls into the water (again), it is no better...
HC, what a shame you have become a Rotorhead's character that is pilloried in public like Shell Management.
Perhaps it is even sadder that you don't realise it is happening. Your response was so very predicable, despite your undoubted ability to provide a more reasoned and balanced one.
The EC225 is just a machine - with flaws and weaknesses like any other machine. A small cabin, a totally inadequate luggage bay, an in service reliability rate that is embarrassing, and a DOC that is not competitive. Oh - it also has seems to have an affinity to lying on it's side as well as to water.
However it is a good machine from the pilot's perspective - shame the customers get such a poor product!
A "Super Puma" that has genuinely reached the end of it's useful life and perhaps isn't so "Super" any more?


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