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Search: Posts Made By: HeliComparator
Showing results 1 to 35 of 113
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Forum: Rotorheads
24th Jan 2016, 08:56
Replies: 649
Views: 207,391
Posted By HeliComparator

I retired over 2 years ago so have never seen it....

I retired over 2 years ago so have never seen it. However you can imagine that it would be hard for the FCOM to contradict the certified portion of the RFM.
Forum: Rotorheads
23rd Jan 2016, 15:44
Replies: 649
Views: 207,391
Posted By HeliComparator

Distance to landing

This was always a bit fuzzy. Whilst the 225 does like quite a flat approach especially when landing hot/heavy, we eventually decided that the diagram you referred to was really about the required...
Forum: Rotorheads
5th Jan 2016, 21:40
Replies: 649
Views: 207,391
Posted By HeliComparator

The correct procedure for resetting a TRU is just...

The correct procedure for resetting a TRU is just to switch it off, then on again.

There are some "hidden" reset functions within the DC master box which involves switching the bus tie to Open,...
Forum: Rotorheads
26th Nov 2015, 21:06
Replies: 649
Views: 207,391
Posted By HeliComparator

AC master box. It's a fairly common message,...

AC master box. It's a fairly common message, ignore it. As a general point, anything that appears on the VMS status page, without anything associated on the CWP, should be ignored. Which begs the...
Forum: Rotorheads
13th Mar 2015, 07:59
Replies: 649
Views: 207,391
Posted By HeliComparator

I see. My apologies for confusing you but I was...

I see. My apologies for confusing you but I was writing "shorthand". I should have replaced the "=" with "possibility of, under certain and rarely encountered conditions".
Forum: Rotorheads
12th Mar 2015, 23:02
Replies: 649
Views: 207,391
Posted By HeliComparator

Who said exposure to a tail strike was...

Who said exposure to a tail strike was guaranteed?


Anyway, how many crashes have resulted from engine failures at critical phases of takeoff or landing, vs all the other causes of accidents?...
Forum: Rotorheads
12th Mar 2015, 16:14
Replies: 649
Views: 207,391
Posted By HeliComparator

To low, ie below 25' = tail strike in the event...

To low, ie below 25' = tail strike in the event of OEI, too high, ie above 15' = risk of losing sight of the deck during a reject, especially at night, and arriving off the deck, colliding with the...
Forum: Rotorheads
19th Aug 2014, 11:45
Replies: 649
Views: 207,391
Posted By HeliComparator

Just me wanting to get a general point across to...

Just me wanting to get a general point across to the forum, with you as collateral damage!
Forum: Rotorheads
19th Aug 2014, 08:39
Replies: 649
Views: 207,391
Posted By HeliComparator

I guess my comment was rather presumptuous. Sorry...

I guess my comment was rather presumptuous. Sorry about that. Although having already apologised I expect you won't accept this one either.
Forum: Rotorheads
18th Aug 2014, 19:25
Replies: 649
Views: 207,391
Posted By HeliComparator

Yes the visuals are better on the AH device,...

Yes the visuals are better on the AH device, though in the great scheme of things that is not very important. What is important is the software versions and unfortunately Bristow is dragging its...
Forum: Rotorheads
18th Aug 2014, 15:24
Replies: 649
Views: 207,391
Posted By HeliComparator

Bristow has an FFS B /FTD 3. If you this level is...

Bristow has an FFS B /FTD 3. If you this level is inadequate and would hold out for a level D, you would be foolish. There is virtually no practical or useful difference between these two grades....
Forum: Rotorheads
18th Aug 2014, 13:45
Replies: 649
Views: 207,391
Posted By HeliComparator

When you order a new one, it is up to the...

When you order a new one, it is up to the customer to specify the settings for the station boxes regarding impedance. So I don't think there is a definitive answer, but I suspect DB is right in that...
Forum: Rotorheads
24th Nov 2013, 12:25
Replies: 649
Views: 207,391
Posted By HeliComparator

Yes this can be an issue. For some unknown reason...

Yes this can be an issue. For some unknown reason the #2 freewheel seems to wear more quickly than the #1. We did have a problem with what EC call "late engagement" - a slight overswing of N2 above...
Forum: Rotorheads
6th Aug 2013, 13:52
Replies: 649
Views: 207,391
Posted By HeliComparator

lowfat, no, but then neither have you. If only...

lowfat, no, but then neither have you. If only certainties were posted on this rumour forum, it would be a dull and postless place.

I am however aware that minor imperfections are easily visible...
Forum: Rotorheads
6th Aug 2013, 12:34
Replies: 649
Views: 207,391
Posted By HeliComparator

Come on chaps, much as I love being the centre of...

Come on chaps, much as I love being the centre of attention, should we get back on topic?
Forum: Rotorheads
6th Aug 2013, 11:24
Replies: 649
Views: 207,391
Posted By HeliComparator

All true of course, although I think I would have...

All true of course, although I think I would have substituted "fantastically handsome" for "pretty".
Forum: Rotorheads
5th Aug 2013, 22:56
Replies: 649
Views: 207,391
Posted By HeliComparator

Lowfat, thanks for your advice but I shall...

Lowfat, thanks for your advice but I shall continue to comment on whatever I want to comment on, especially when its a matter of common sense.

Rather than telling me what to do, perhaps you would...
Forum: Rotorheads
5th Aug 2013, 19:17
Replies: 649
Views: 207,391
Posted By HeliComparator

No, however 2 thou depth of pitting on a mirror...

No, however 2 thou depth of pitting on a mirror finish is easy to see. Inside the shaft, not so easy to see without some gear, but with the right gear, easy to see with optical magnification as...
Forum: Rotorheads
5th Aug 2013, 13:52
Replies: 649
Views: 207,391
Posted By HeliComparator

TM yes I was talking about the corrosion on the...

TM yes I was talking about the corrosion on the inside surface of the shaft, not corrosion in the drill hole which as you say is obscured by the plug and probably difficult to see even if the plug is...
Forum: Rotorheads
5th Aug 2013, 12:57
Replies: 649
Views: 207,391
Posted By HeliComparator

Pitts, the one in a billion flight hours is of...

Pitts, the one in a billion flight hours is of course a calculated probability, as it is for virtually all things to do with certification.

Clearly the false alarm rate is unacceptable, but...
Forum: Rotorheads
5th Aug 2013, 06:35
Replies: 649
Views: 207,391
Posted By HeliComparator

Wasn't it the case that the CHC aircraft spent a...

Wasn't it the case that the CHC aircraft spent a lot of time shut down offshore? Much more so than other others in that fleet?

As I said, its such an easy thing to check that I really can't...
Forum: Rotorheads
4th Aug 2013, 19:31
Replies: 649
Views: 207,391
Posted By HeliComparator

Pablo, I'm no aircraft technician but from the...

Pablo, I'm no aircraft technician but from the photos published by EC, at modest magnification, the corrosion on the failed shaft was quite obvious compared to the smooth surface of an unaffected...
Forum: Rotorheads
4th Aug 2013, 14:30
Replies: 649
Views: 207,391
Posted By HeliComparator

But I'm not sure that removing the shaft makes it...

But I'm not sure that removing the shaft makes it any easier to inspect for corrosion. Either way, the access is from the bottom of the shaft and the relevant area is just a little way up. Therefore...
Forum: Rotorheads
21st Jul 2013, 11:28
Replies: 649
Views: 207,391
Posted By HeliComparator

The sludge build up wont happen again, therefore...

The sludge build up wont happen again, therefore the crack won't happen again. Unless of course another reason for failure comes out of the woodwork, but that seems highly unlikely with all the time...
Forum: Rotorheads
21st Jul 2013, 11:02
Replies: 649
Views: 207,391
Posted By HeliComparator

Well Colibri seems to know the reason given. Even...

Well Colibri seems to know the reason given. Even if its an incorrect guess on the part of EC, it doesn't matter because the changes to the maintenance programme and the relocated oil jets will...
Forum: Rotorheads
21st Jul 2013, 10:00
Replies: 649
Views: 207,391
Posted By HeliComparator

Lowfat, not quite sure where your last sentence...

Lowfat, not quite sure where your last sentence comes from (other than a desire to be rude for the sake of it) so I'll ignore it.

The Bond aircraft was new and had a slightly modified shaft with...
Forum: Rotorheads
21st Jul 2013, 06:40
Replies: 649
Views: 207,391
Posted By HeliComparator

RVDT, if its ever been explained why the CHC...

RVDT, if its ever been explained why the CHC shaft had an uniquely large amount of sludge its passed me by. But since you are big on conspiracy theories I suspect its down to those aliens that landed...
Forum: Rotorheads
20th Jul 2013, 22:40
Replies: 649
Views: 207,391
Posted By HeliComparator

Kiwi, no and that is not surprising. Its clear...

Kiwi, no and that is not surprising. Its clear that the 2 ditched aircraft had unusual issues with corrosion. As I keep saying, Bristow with is fleet of 17 or so EC225s have never had this problem...
Forum: Rotorheads
20th Jul 2013, 19:15
Replies: 649
Views: 207,391
Posted By HeliComparator

You're not allowed to let it sit corroding, or if...

You're not allowed to let it sit corroding, or if you did, it would be very expensive to ever be able to fly it again!
Forum: Rotorheads
20th Jul 2013, 17:14
Replies: 649
Views: 207,391
Posted By HeliComparator

However, the insides of the shafts had previously...

However, the insides of the shafts had previously been cleaned and any corrosion would have been reported (none found) and the helis have not just been sitting about neglectd for the past 9 months,...
Forum: Rotorheads
20th Jul 2013, 14:22
Replies: 649
Views: 207,391
Posted By HeliComparator

RVDT, what I mean is that once a crack is formed,...

RVDT, what I mean is that once a crack is formed, its a matter of a few hours or tens of hours before it fails. But since we have operated for 100,000 hrs without having a failure, the likelihood of...
Forum: Rotorheads
20th Jul 2013, 12:47
Replies: 649
Views: 207,391
Posted By HeliComparator

No cracks found on our aircraft either, which was...

No cracks found on our aircraft either, which was pretty much a forgone conclusion. If we had found any cracks, that would be a major disaster because that shaft would then be a few hours or tens of...
Forum: Rotorheads
16th Jul 2013, 09:31
Replies: 649
Views: 207,391
Posted By HeliComparator

Colibri, I know that the gentleman in question...

Colibri, I know that the gentleman in question has no desire to see the 225 returned to service at reduced power. I think he asked the question in order to get the answer that there was no technical...
Forum: Rotorheads
16th Jul 2013, 08:03
Replies: 649
Views: 207,391
Posted By HeliComparator

TM, as far as I am aware nothing is decided....

TM, as far as I am aware nothing is decided. Reducing power is one option that might be seen as demonstrating a desire to maximise safety to placate those of a nervous disposition. On the other hand...
Forum: Rotorheads
15th Jul 2013, 22:55
Replies: 649
Views: 207,391
Posted By HeliComparator

Or maybe flying for a customer who is better...

Or maybe flying for a customer who is better informed!
Showing results 1 to 35 of 113
 
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