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Search: Posts Made By: Ian W
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Forum: Rumours & News
17th Oct 2018, 12:42
Replies: 1,219
Views: 777,579
Posted By Ian W

You are talking in terms of the obsolescent ILS...

You are talking in terms of the obsolescent ILS where there are concerns over multipath effects with aircraft ahead and even on the ground close to the runway. GLS, GBAS and the capabilities such as...
Forum: Rumours & News
16th Oct 2018, 10:51
Replies: 1,219
Views: 777,579
Posted By Ian W

The crew did not 'miss those approach lights' -...

The crew did not 'miss those approach lights' - they assumed that they were the approach lights to 26L and that the taxiway to its right was the runway. This may have been assisted by the taxiway...
Forum: Rumours & News
12th Oct 2018, 16:07
Replies: 1,219
Views: 777,579
Posted By Ian W

If all landings were to Cat 3b these incidents...

If all landings were to Cat 3b these incidents would not occur either is this a case where automation is safer than human pilots? While visual approaches are allowed setting up "confusing lighting"...
Forum: Rumours & News
11th May 2018, 15:20
Replies: 1,219
Views: 777,579
Posted By Ian W

There is now sufficient bandwidth for aircraft to...

There is now sufficient bandwidth for aircraft to continually stream DFDR and CVR data on connection oriented encrypted links to the destination of the operators choice. These days storage is also...
Forum: Rumours & News
20th Aug 2017, 07:57
Replies: 1,219
Views: 777,579
Posted By Ian W

Far more importantly, and the reason that Old...

Far more importantly, and the reason that Old Carthusian is mistaken in his eagerness to can the crew, is that all other pilots can be taught the same lesson of why this incident occurred. A crew...
Forum: Rumours & News
18th Aug 2017, 14:51
Replies: 1,219
Views: 777,579
Posted By Ian W

I doubt if the crew even heard the UAL...

I doubt if the crew even heard the UAL transmission (or more correctly comprehended it) why would they think it is about them?

A more constructive transmission would have been Air Canada you...
Forum: Rumours & News
18th Aug 2017, 07:37
Replies: 1,219
Views: 777,579
Posted By Ian W

As I have posted earlier: * the crew queried...

As I have posted earlier:

* the crew queried 'something on the runway' :
* tower says no its clear all yours,
* the crew initiated a go around because they see things on the 'runway' that do...
Forum: Rumours & News
14th Aug 2017, 10:51
Replies: 1,219
Views: 777,579
Posted By Ian W

Well the one shortly after the crash does not...

Well the one shortly after the crash does not surprise me one bit all the controllers will be on edge about crews not able to check runway heading and be using binoculars to check every aircraft...
Forum: Rumours & News
13th Aug 2017, 07:13
Replies: 1,219
Views: 777,579
Posted By Ian W

I don't know how much time you have spent in the...

I don't know how much time you have spent in the visual control tower at night, but it is not easy sometimes to even see an aircraft let alone be certain where it actually is on closely located...
Forum: Rumours & News
11th Aug 2017, 12:31
Replies: 1,219
Views: 777,579
Posted By Ian W

I think that is a little unfair on the...

I think that is a little unfair on the controller at Lexington. The two thresholds were effectively in the same place viewed from the tower. The flight crew chose an unlit GA runway rather than the...
Forum: Rumours & News
11th Aug 2017, 12:26
Replies: 1,219
Views: 777,579
Posted By Ian W

Someone made the decision that computers for...

Someone made the decision that computers for safety critical systems had to be 'formally proved' by mathematics. This was difficult but just about achievable with 'simple' 286 chips with a single...
Forum: Rumours & News
10th Aug 2017, 10:07
Replies: 1,219
Views: 777,579
Posted By Ian W

A very pertinent question. However, normally the...

A very pertinent question. However, normally the problem is that to ensure that none are missed the crew are given a slab of paper with all the NOTAMs for the region(s) being flown in. The crew are...
Forum: Rumours & News
8th Aug 2017, 05:28
Replies: 1,219
Views: 777,579
Posted By Ian W

The difference between your claim and mine is...

The difference between your claim and mine is that professional crews repeatedly land on taxiways. It is not uncommon. What these incidents have in common is that each crew were convinced they were...
Forum: Rumours & News
7th Aug 2017, 12:26
Replies: 1,219
Views: 777,579
Posted By Ian W

RAT you really need to do a visual perception...

RAT you really need to do a visual perception course to see how easy it is for _your_ cognition to deceive you. Aircraft landing on taxiways is not uncommon despite all the green center lines and...
Forum: Rumours & News
7th Aug 2017, 01:10
Replies: 1,219
Views: 777,579
Posted By Ian W

Routine deletion of CVR moves things more and...

Routine deletion of CVR moves things more and more toward an automatic downlink of CVR if not in flight (and yes the bandwidth is enough) then it could be automated as soon as the aircraft plugged in...
Forum: Rumours & News
4th Aug 2017, 14:43
Replies: 1,219
Views: 777,579
Posted By Ian W

You are approaching what you are convinced is the...

You are approaching what you are convinced is the runway you have been cleared to land on. As you reach short finals you see lights on 'the runway' you tell ATC who tell you there is nothing on the...
Forum: Rumours & News
4th Aug 2017, 14:23
Replies: 1,219
Views: 777,579
Posted By Ian W

Unfortunately, HUDs and Synthetic Vision bring...

Unfortunately, HUDs and Synthetic Vision bring their own attentional tunneling effects which have been repeatedly demonstrated in human factors experiments in high fidelity simulations. You cannot...
Forum: Rumours & News
2nd Aug 2017, 21:13
Replies: 1,219
Views: 777,579
Posted By Ian W

The problem - tracking aircraft, on the ground...

The problem - tracking aircraft, on the ground and close in on approach to identify which runway (taxiway) they were lined up for etc., has been solved it can be done and it has been demonstrated...
Forum: Rumours & News
2nd Aug 2017, 13:32
Replies: 1,219
Views: 777,579
Posted By Ian W

On the contrary, the problem has been solved in...

On the contrary, the problem has been solved in different ways several times. I have worked with one that was a distributed radar systems that could show and track individual pedestrians and the...
Forum: Rumours & News
27th Jul 2017, 11:03
Replies: 1,219
Views: 777,579
Posted By Ian W

Quote: Originally Posted by...

Quote:
Originally Posted by Ian W http://www.pprune.org/images/buttons/viewpost.gif...
Forum: Rumours & News
26th Jul 2017, 12:41
Replies: 1,219
Views: 777,579
Posted By Ian W

Except that this experienced crew _did_ make an...

Except that this experienced crew _did_ make an approach to a taxiway marked with centerline greens rather than the well lit runway alongside and with several widebodies queued on it which they also...
Forum: Rumours & News
26th Jul 2017, 10:10
Replies: 1,219
Views: 777,579
Posted By Ian W

First: It is easy to 'get the wrong visual...

First: It is easy to 'get the wrong visual picture' all of us will have had that every now and then and as references in my previous posts on this thread show even the most _obvious_ cues will go...
Forum: Rumours & News
24th Jul 2017, 13:33
Replies: 1,219
Views: 777,579
Posted By Ian W

Because cognitive misperceptions are far more...

Because cognitive misperceptions are far more likely if at the low performance end of the circadian cycle and fatigued. Often because the crew concerned are concentrating because they know they are...
Forum: Rumours & News
21st Jul 2017, 19:27
Replies: 1,219
Views: 777,579
Posted By Ian W

Oh but it did happen. The DoD is paying for the...

Oh but it did happen. The DoD is paying for the 'expensive radars' which are now not on the FAA books.
Forum: Rumours & News
20th Jul 2017, 15:11
Replies: 1,219
Views: 777,579
Posted By Ian W

I fully agree except the most important point has...

I fully agree except the most important point has been left out. Runway 28L is NOTAMed as Out of Service. So there will only be Runway 28R available. Both crew members minds now expect only to see...
Forum: Rumours & News
19th Jul 2017, 12:32
Replies: 1,219
Views: 777,579
Posted By Ian W

The technology not only exists for live streaming...

The technology not only exists for live streaming Qatar is apparently already doing so https://runwaygirlnetwork.com/2015/11/19/qatar-airways-ceo-says-carrier-already-streaming-black-box-data/
...
Forum: Rumours & News
18th Jul 2017, 11:12
Replies: 1,219
Views: 777,579
Posted By Ian W

As I said way back this was a cognitive...

As I said way back this was a cognitive misperception - expecting an approach to the rightmost of 2 runways the pilot sees two rows of lights and his brain says that is the right hand runway. From...
Forum: Rumours & News
17th Jul 2017, 00:00
Replies: 1,219
Views: 777,579
Posted By Ian W

TARGETS was actually developed by MITRE CAASD an...

TARGETS was actually developed by MITRE CAASD an interesting and useful tool to use that may need more work to support curved RNP final approaches such as 'Greener Skies' Report Shows Benefits of...
Forum: Rumours & News
15th Jul 2017, 11:32
Replies: 1,219
Views: 777,579
Posted By Ian W

OK now put a line of widebodies onto that taxiway...

OK now put a line of widebodies onto that taxiway and you will have a set of wingtip lights that are all around 100ft either side of the center line at close to 300ft apart along the 'taxiway'. Not...
Forum: Rumours & News
15th Jul 2017, 11:15
Replies: 1,219
Views: 777,579
Posted By Ian W

Thanks Kal, not being kind - being realistic. ...

Thanks Kal, not being kind - being realistic. Pilots should all learn from this incident because the same WILL happen to them at some time. Unfortunately, as you will have seen many of the posts on...
Forum: Rumours & News
14th Jul 2017, 18:09
Replies: 1,219
Views: 777,579
Posted By Ian W

It's been done literally hundreds of times in the...

It's been done literally hundreds of times in the US alone.
Forum: Rumours & News
14th Jul 2017, 11:52
Replies: 1,219
Views: 777,579
Posted By Ian W

jack11111 It would really do...

jack11111




It would really do everyone a lot of good to read about visual perception and visual cognition. Our brains invent a huge amount of what we think we are 'seeing' much of the time...
Forum: Rumours & News
11th Jul 2017, 12:18
Replies: 1,219
Views: 777,579
Posted By Ian W

Almost certainly this was the scenario. A visual...

Almost certainly this was the scenario. A visual approach cleared to land on 28R and ahead are two lit strips the left one must be 28L so the right hand one is 28R got manky lighting on it though......
Showing results 1 to 33 of 33


 
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