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Search: Posts Made By: G0ULI
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Forum: Rotorheads
18th May 2017, 02:17
Replies: 2,047
Views: 1,307,914
Posted By G0ULI

The how is easy, the aircraft was flying below...

The how is easy, the aircraft was flying below MSA for the area.

The why, is because the crew hadn't got a clue they were below MSA due to inadequacies in the charts they were using.

They knew...
Forum: Rotorheads
4th May 2017, 11:56
Replies: 2,047
Views: 1,307,914
Posted By G0ULI

gulliBell I re-edited the last paragraph as...

gulliBell

I re-edited the last paragraph as you were posting, but totally agree with your comment.
Forum: Rotorheads
4th May 2017, 10:02
Replies: 2,047
Views: 1,307,914
Posted By G0ULI

The investigators have the ability to superimpose...

The investigators have the ability to superimpose the CVR data over an accurate map of the aircraft's position, height and heading. They may be able to achieve a better understanding of exactly what...
Forum: Rotorheads
1st May 2017, 11:13
Replies: 2,047
Views: 1,307,914
Posted By G0ULI

RL77CHC Thank you for the information and...

RL77CHC

Thank you for the information and pictures. I note that the first graphic displays a circle at the top containing a reference to MSA information being displayed on Page 2. That is...
Forum: Rotorheads
30th Apr 2017, 23:07
Replies: 2,047
Views: 1,307,914
Posted By G0ULI

If the route was already preprogrammed into the...

If the route was already preprogrammed into the FMS as a result of previous taskings or appeared as a selectable option...

Hey, someone else has already worked out a routing previously, we'll just...
Forum: Rotorheads
29th Apr 2017, 22:15
Replies: 2,047
Views: 1,307,914
Posted By G0ULI

rotorspeed Poor choice of terminology,...

rotorspeed

Poor choice of terminology, nothing more, nothing less. I think the meaning is perfectly clear. The choice of route and the height at which it was flown was primarily dictated by the...
Forum: Rotorheads
29th Apr 2017, 21:20
Replies: 2,047
Views: 1,307,914
Posted By G0ULI

The cloud base was recorded as being around 300...

The cloud base was recorded as being around 300 feet that night, so a descent to 200 feet to gain sight of the surface was made. The terrain around the coast rises to over 2,000 feet in places, so...
Forum: Rotorheads
28th Apr 2017, 14:05
Replies: 2,047
Views: 1,307,914
Posted By G0ULI

From an outsiders point of view, descending to...

From an outsiders point of view, descending to 200 feet in limited visibility and proceeding at 75 knots does not constitute my definition of creeping towards a destination, especially in the...
Forum: Rotorheads
27th Apr 2017, 21:53
Replies: 2,047
Views: 1,307,914
Posted By G0ULI

It is worth noting that there was terrain on the...

It is worth noting that there was terrain on the mainland coast at 2000 feet plus. With the 10nm range scale, this should have been painting a good view of the coastline on the radar screen. Perhaps...
Forum: Rotorheads
27th Apr 2017, 16:29
Replies: 2,047
Views: 1,307,914
Posted By G0ULI

On both of the examples shown, the final digit of...

On both of the examples shown, the final digit of the height shown for Black Rock is overshadowed by other markings and could easily have been read as 28 rather than 282. I believe this has already...
Forum: Rotorheads
24th Apr 2017, 21:29
Replies: 2,047
Views: 1,307,914
Posted By G0ULI

xny556 Sad to say, unthinking (or...

xny556

Sad to say, unthinking (or intentional) heroism has no place in corporate culture. You do it by the book. The rules are in place to guarantee the best possibility of a successful outcome...
Forum: Rotorheads
24th Apr 2017, 21:20
Replies: 2,047
Views: 1,307,914
Posted By G0ULI

Just a point of speculation, but if the aircraft...

Just a point of speculation, but if the aircraft had been a hundred yards or so left or right of the course they tracked, there is a distinct possibility that they would have passed Black Rock in...
Forum: Rotorheads
23rd Apr 2017, 01:51
Replies: 2,047
Views: 1,307,914
Posted By G0ULI

gulliBell I agree that more specific detail...

gulliBell

I agree that more specific detail of the approach brief would have been useful. It is possible that there were deficiencies in the approach brief, which could imply the assignment of...
Forum: Rotorheads
23rd Apr 2017, 01:12
Replies: 2,047
Views: 1,307,914
Posted By G0ULI

Emerald Islander If you care to read through...

Emerald Islander

If you care to read through the thread, there are many contributions from people who are or were involved in SAR that explain the how and why it might have happened.
...
Forum: Rotorheads
23rd Apr 2017, 00:55
Replies: 2,047
Views: 1,307,914
Posted By G0ULI

ZFD The regulations regarding the use of CVR...

ZFD

The regulations regarding the use of CVR and FDR equipment were framed around a need to secure agreement from pilot's unions to allow such equipment to be fitted and used.

Under British law...
Forum: Rotorheads
20th Apr 2017, 23:41
Replies: 2,047
Views: 1,307,914
Posted By G0ULI

I would think it was much more likely that they...

I would think it was much more likely that they couldn't directly see the light because the cliffs above them at their 200 foot flight level cut off the beam. I note that the aircraft would have been...
Forum: Rotorheads
20th Apr 2017, 09:09
Replies: 2,047
Views: 1,307,914
Posted By G0ULI

The military accept that there is an attrition...

The military accept that there is an attrition rate inherent in operating in hazardous conditions. They train to reduce the risks to acceptable or tolerable levels. Many if not most SAR flights...
Forum: Rotorheads
19th Apr 2017, 22:51
Replies: 2,047
Views: 1,307,914
Posted By G0ULI

Perhaps if I were to suggest that SAR should not...

Perhaps if I were to suggest that SAR should not be a commercial operation subject to cost constraints that could limit crew training, that might be more acceptable?

Yes, I know the military have...
Forum: Rotorheads
19th Apr 2017, 22:36
Replies: 2,047
Views: 1,307,914
Posted By G0ULI

Okay, point taken. I spent most of my working...

Okay, point taken. I spent most of my working career in small dedicated groups where we all had overlapping areas of expertise and no one got upset if someone commented and/or took over because you...
Forum: Rotorheads
19th Apr 2017, 21:51
Replies: 2,047
Views: 1,307,914
Posted By G0ULI

It is precisely these discussions about...

It is precisely these discussions about regulations, individual crew members responsibilities and operating procedures that convinces me that SAR should be conducted by the military. It is a flight...
Forum: Rotorheads
19th Apr 2017, 11:18
Replies: 2,047
Views: 1,307,914
Posted By G0ULI

Many years ago when ships carried radio officers,...

Many years ago when ships carried radio officers, it was my habit after the last watch of the day to go on the blacked out bridge and chat with the navigation officers over a cuppa. Invariably the...
Forum: Rotorheads
18th Apr 2017, 17:17
Replies: 2,047
Views: 1,307,914
Posted By G0ULI

Transcript from the CVR suggests that they were...

Transcript from the CVR suggests that they were not aware of their position in relation to Black Rock. If it had been clearly visible on the radar, someone would have commented on it. It was the FLIR...
Forum: Rotorheads
18th Apr 2017, 15:47
Replies: 2,047
Views: 1,307,914
Posted By G0ULI

FC80 The aircraft flew into a rock that...

FC80

The aircraft flew into a rock that clearly was not visible or obvious to the crew on the radar display. I (and others) have proposed several reasons how and why this could happen.

It is...
Forum: Rotorheads
18th Apr 2017, 12:02
Replies: 2,047
Views: 1,307,914
Posted By G0ULI

crab Modern radar systems are brilliant....

crab

Modern radar systems are brilliant. Operation has been simplified with automatic optimisation to present the clearest possible display, but they are not infallible.
Forum: Rotorheads
18th Apr 2017, 11:43
Replies: 2,047
Views: 1,307,914
Posted By G0ULI

crab Radar operates at the speed of light,...

crab

Radar operates at the speed of light, 300,000 kilometres per second, or 300 metres every millionth of a second. Modern electronic components have reduced the size and increased the power of...
Forum: Rotorheads
18th Apr 2017, 07:02
Replies: 2,047
Views: 1,307,914
Posted By G0ULI

player104 A useful video that shows some of...

player104

A useful video that shows some of the pitfalls when interpreting the radar display. However note the range settings on the display and target return distances of between 20 and 40 miles....
Forum: Rotorheads
17th Apr 2017, 22:42
Replies: 2,047
Views: 1,307,914
Posted By G0ULI

The radar transmitter is pumping out pulses of...

The radar transmitter is pumping out pulses of energy of up to 1,000 watts. The receiver is designed to respond to returning echo signals measured in micro watts, a millionth of a watt. Even if the...
Forum: Rotorheads
17th Apr 2017, 16:14
Replies: 2,047
Views: 1,307,914
Posted By G0ULI

From personal experience with marine radar, the...

From personal experience with marine radar, the images generated with a range scale set to three miles or less are pretty useless due to sea clutter. Also at these ranges there is the possibilty of...
Forum: Rotorheads
17th Apr 2017, 11:10
Replies: 2,047
Views: 1,307,914
Posted By G0ULI

I think the absence of NVD is a bit of a red...

I think the absence of NVD is a bit of a red herring considering the helicopter was fitted with FLIR equipment. If lifting a casualty from a vessel, it would be normal to illuminate the lifting area...
Forum: Rotorheads
15th Apr 2017, 20:41
Replies: 2,047
Views: 1,307,914
Posted By G0ULI

Having read all the posts and the accident...

Having read all the posts and the accident report, two things seem to point towards a crew that were perhaps a bit too relaxed and complacent. Mention is made that there was very little conversation...
Forum: Rotorheads
31st Mar 2017, 20:42
Replies: 2,047
Views: 1,307,914
Posted By G0ULI

Frustrating as it may be to those seeking...

Frustrating as it may be to those seeking answers, this is a recovery operation, not a rescue. The data recorders have been recovered which should go a long way to determining the cause.

While...
Forum: Rotorheads
27th Mar 2017, 10:51
Replies: 2,047
Views: 1,307,914
Posted By G0ULI

gulliBell The reason that popping the floats...

gulliBell

The reason that popping the floats won't work is that the aircraft is lying under 40 metres of water. The air pressure required to inflate a float at that depth is four times that at the...
Showing results 1 to 32 of 32


 
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