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Search: Posts Made By: dClbydalpha
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Forum: Rotorheads
16th Mar 2018, 09:59
Replies: 2,047
Views: 1,307,928
Posted By dClbydalpha

The terrain data within something like an EGPWS...

The terrain data within something like an EGPWS is not usually produced or even endorsed by the national charting agencies. The systems themselves are usually advisory only.
The data within them is...
Forum: Rotorheads
16th May 2017, 15:59
Replies: 2,047
Views: 1,307,928
Posted By dClbydalpha

I think it's important to make a distinction...

I think it's important to make a distinction between confusion and incorrect SA.

Confusion is a lack of understanding or lack of confidence in the information presented. This crew showed no sign...
Forum: Rotorheads
9th May 2017, 19:40
Replies: 2,047
Views: 1,307,928
Posted By dClbydalpha

I am sure 330 SKV have the expertise to make the...

I am sure 330 SKV have the expertise to make the most of their new aircraft with all its latest technology.
Forum: Rotorheads
4th May 2017, 21:22
Replies: 2,047
Views: 1,307,928
Posted By dClbydalpha

DB I agree totally, technology and automation...

DB I agree totally, technology and automation will continue to develop. There needs to be significant work done on establishing the rule-set for "safe" automation. Automation in my opinion needs to...
Forum: Rotorheads
4th May 2017, 09:38
Replies: 2,047
Views: 1,307,928
Posted By dClbydalpha

ED76 and DO200A in my experience ensure the...

ED76 and DO200A in my experience ensure the integrity not the veracity of the data. Therefore for a company route, the data would still have to be ensured by the operator. As for the terrain data...
Forum: Rotorheads
3rd May 2017, 19:57
Replies: 2,047
Views: 1,307,928
Posted By dClbydalpha

I'm struggling to see how 76/200A relates to the...

I'm struggling to see how 76/200A relates to the accident chain. Is there a suspicion that the data load to the FMS was corrupt?

On the FMS topic, there appears to be a number of users here, can...
Forum: Rotorheads
27th Apr 2017, 22:37
Replies: 2,047
Views: 1,307,928
Posted By dClbydalpha

For me, a 300ft island 700m long by 450m wide...

For me, a 300ft island 700m long by 450m wide would be giving a strong, distinctive return. Enough that it should have challenged the crew's mind's eye view of the situation.

My impression is...
Forum: Rotorheads
22nd Apr 2017, 18:13
Replies: 2,047
Views: 1,307,928
Posted By dClbydalpha

Thanks Crab ... I was reading too much into it. ...

Thanks Crab ... I was reading too much into it.

While the flexibility offered by multiple MFDs is great, it does mean that the crew have to consider their setup for each phase and for each crew...
Forum: Rotorheads
22nd Apr 2017, 16:36
Replies: 2,047
Views: 1,307,928
Posted By dClbydalpha

Can you please elaborate on the quote Crab. ...

Can you please elaborate on the quote Crab.

I think the temptation is to put too much on one display, rather than have to change between different formats.
Forum: Rotorheads
22nd Apr 2017, 10:45
Replies: 2,047
Views: 1,307,928
Posted By dClbydalpha

Thanks Pltnorway for that informative...

Thanks Pltnorway for that informative illustration. It shows my initial concern that priority given to the symbol, along with the outline needed to distinguish it, hides the return at that display...
Forum: Rotorheads
18th Apr 2017, 20:40
Replies: 2,047
Views: 1,307,928
Posted By dClbydalpha

That's also what I see. But will add that...

That's also what I see. But will add that transferring old procedures to a new cockpit is often underestimated as a task.

In this case once the initial mental picture of the scenario was created,...
Forum: Rotorheads
18th Apr 2017, 14:49
Replies: 2,047
Views: 1,307,928
Posted By dClbydalpha

Thanks, my beer mat calculations had Blackrock as...

Thanks, my beer mat calculations had Blackrock as sub tending 900m at a couple of miles (including antenna beamwidth). At 10 nm display across, then each pixel would be about 50m and so 18 pixels. ...
Forum: Rotorheads
17th Apr 2017, 18:48
Replies: 2,047
Views: 1,307,928
Posted By dClbydalpha

Can any S92 operators tell me the size/colour of...

Can any S92 operators tell me the size/colour of FMS WP symbols? Are they overlayed on top of the radar video?
Forum: Rotorheads
17th Apr 2017, 17:59
Replies: 2,047
Views: 1,307,928
Posted By dClbydalpha

In my experience a TSO compliant radar will not...

In my experience a TSO compliant radar will not allow the operator to change gain in weather mode.
Forum: Rotorheads
17th Apr 2017, 17:32
Replies: 2,047
Views: 1,307,928
Posted By dClbydalpha

And if they weren't looking for it, it is...

And if they weren't looking for it, it is possible they weren't monitoring the other sources of information to look for it either. I didn't see if the report has details on the radar range settings....
Forum: Rotorheads
17th Apr 2017, 10:12
Replies: 2,047
Views: 1,307,928
Posted By dClbydalpha

Had Blackrock been in the database then there...

Had Blackrock been in the database then there would have been a red blob on their flight path. Which may have caused a recheck of the SA picture.
Forum: Rotorheads
11th Apr 2017, 17:31
Replies: 2,047
Views: 1,307,928
Posted By dClbydalpha

All well said, apologies for cutting the specific...

All well said, apologies for cutting the specific quotes out.

One of the purposes of the systems approach is to prevent, as much as is reasonably possible, a simple human error becoming...
Forum: Rotorheads
6th Apr 2017, 10:45
Replies: 2,047
Views: 1,307,928
Posted By dClbydalpha

I suspect it is a debate about whether or not it...

I suspect it is a debate about whether or not it should be in the obstacle database. 50 ft is usually the cut-off in none urban areas.
Forum: Rotorheads
5th Apr 2017, 19:34
Replies: 2,047
Views: 1,307,928
Posted By dClbydalpha

Does that mean that beacon mode is always on?

Does that mean that beacon mode is always on?
Forum: Rotorheads
5th Apr 2017, 16:20
Replies: 2,047
Views: 1,307,928
Posted By dClbydalpha

Thanks for the info, from your setup I presume...

Thanks for the info, from your setup I presume there is no automatic popup with proximity to off airport terrain.
Forum: Rotorheads
5th Apr 2017, 13:19
Replies: 2,047
Views: 1,307,928
Posted By dClbydalpha

But also the time that you get most irritated by...

But also the time that you get most irritated by something telling you the fact that you're approaching the ground?

As far as I can tell, the map display should still have had the high terrain...
Forum: Rotorheads
5th Apr 2017, 13:15
Replies: 2,047
Views: 1,307,928
Posted By dClbydalpha

Which is good for operation with satellite...

Which is good for operation with satellite tracking in open water as the chances are there will be satellites below you. However not so good in terrain.
Forum: Rotorheads
5th Apr 2017, 11:52
Replies: 2,047
Views: 1,307,928
Posted By dClbydalpha

212 man. Sorry being a bit sloppy with my...

212 man. Sorry being a bit sloppy with my terminology. There are a number of conditions under which there is no FLTA protection. Similarly warnings could be inhibited. However the display should...
Forum: Rotorheads
5th Apr 2017, 10:39
Replies: 2,047
Views: 1,307,928
Posted By dClbydalpha

The thing I can't get my head around is either ...

The thing I can't get my head around is either

1) why there was no terrain warning.
2) if there was why it was too late or ignored.
Forum: Rotorheads
5th Apr 2017, 10:33
Replies: 2,047
Views: 1,307,928
Posted By dClbydalpha

Concentric I don't know the SAR fit for that...

Concentric

I don't know the SAR fit for that S92, but I'd be surprised if it didn't include AIS. However whether it would have been selected for display is another matter.

Again, even with a...
Forum: Rotorheads
5th Apr 2017, 10:21
Replies: 2,047
Views: 1,307,928
Posted By dClbydalpha

Depends whether you're on the AIS end or the SAT...

Depends whether you're on the AIS end or the SAT end 😉.

Your recollection is correct, IIRC it was originally developed for collision avoidance in coastal approaches and in to harbour. Like all...
Forum: Rotorheads
5th Apr 2017, 08:47
Replies: 2,047
Views: 1,307,928
Posted By dClbydalpha

Whatever is required, but Would people need to...

Whatever is required, but
Would people need to track a lighthouse BLOS?
Forum: Rotorheads
5th Apr 2017, 08:14
Replies: 2,047
Views: 1,307,928
Posted By dClbydalpha

Technically all satellite comms involves at least...

Technically all satellite comms involves at least two LOS segments, but generally satcom is considered BLOS.

AIS is VHF, and is relayed through satellites giving the system BLOS capability.

For...
Forum: Rotorheads
5th Apr 2017, 07:48
Replies: 2,047
Views: 1,307,928
Posted By dClbydalpha

We're beginning to mix topics here. There is a...

We're beginning to mix topics here. There is a difference between.
1) establishing that an aircraft incident has occurred and where.
2) finding an aircraft post incident.
3) finding personnel post...
Forum: Rotorheads
5th Apr 2017, 06:37
Replies: 2,047
Views: 1,307,928
Posted By dClbydalpha

The regulations require 406 PLBs to be manually...

The regulations require 406 PLBs to be manually activated. My assumption is that this is due to the need to avoid inadvertent activation.

Should we now be creating a system for remote activated...
Forum: Rotorheads
4th Apr 2017, 19:23
Replies: 2,047
Views: 1,307,928
Posted By dClbydalpha

I presume a water activated PLB would have to be...

I presume a water activated PLB would have to be protected from rain? Oh and from any water in the cabin when hoisting. Also I presume the rescue diver wouldn't have one.
Forum: Rotorheads
30th Mar 2017, 08:12
Replies: 2,047
Views: 1,307,928
Posted By dClbydalpha

So I've watched the Primetime piece. I now...

So I've watched the Primetime piece. I now understand why the suspicion exists that Blackrock wasn't in the database. However that report is still a "has learned" statement with no who or even how it...
Forum: Rotorheads
29th Mar 2017, 21:18
Replies: 2,047
Views: 1,307,928
Posted By dClbydalpha

And I've searched all I can and have not found an...

And I've searched all I can and have not found an official statement, I've found 3rd hand quotes of anonymous sources. I'm trying to find a technical resource that would support it. If anyone can...
Forum: Rotorheads
29th Mar 2017, 18:19
Replies: 2,047
Views: 1,307,928
Posted By dClbydalpha

Can anyone explain why there is a suspicion that...

Can anyone explain why there is a suspicion that Blackrock is not in the terrain database.
Showing results 1 to 34 of 34


 
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