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Search: Posts Made By: Dont Hang Up
Showing results 1 to 35 of 422
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Forum: Rotorheads
4th Sep 2023, 13:02
Replies: 9
Views: 1,547
Posted By Dont Hang Up

The idea of a decentralised self-organising ATC...

The idea of a decentralised self-organising ATC is an interesting one. But it is not new – I remember some clever people talking about this over twenty years ago. It kind of went hand-in-hand with...
Forum: Rumours & News
16th Jun 2023, 07:02
Replies: 24
Views: 9,029
Posted By Dont Hang Up

Said in jest but a highly salient question. ...

Said in jest but a highly salient question.

I understand the perceived risk with the single door is that opportunistic terrorists could, suitably seated, rush the door in the moments when it may...
Forum: Rumours & News
15th Jun 2023, 12:29
Replies: 24
Views: 9,029
Posted By Dont Hang Up

The underlying assumption must be there is some...

The underlying assumption must be there is some residual risk inherent in the single door solution. As, to my knowledge, there has never been a breach of the current solution, that risk is only a...
Forum: Accidents and Close Calls
20th Mar 2023, 09:48
Replies: 148
Views: 28,310
Posted By Dont Hang Up

02:13:40 (Bonin) But I've had the stick back the...

02:13:40 (Bonin) But I've had the stick back the whole time!
Forum: Passengers & SLF (Self Loading Freight)
22nd Feb 2023, 13:41
Replies: 8
Views: 1,079
Posted By Dont Hang Up

[/color] The "better ground view" that a...

[/color]

The "better ground view" that a high wing supposedly offers, in reality doesn't really happen.

[/QUOTE]

I trained in a PA38. The first time I did circuits in a C152 I was appalled...
Forum: Rumours & News
10th Nov 2022, 11:40
Replies: 38
Views: 14,009
Posted By Dont Hang Up

If you cross from Belgium to France on the E40...

If you cross from Belgium to France on the E40 you will be diverted off the motorway through a checkpoint. Been like that for a couple of years now. For the first year in was actually manned. - but...
Forum: Passengers & SLF (Self Loading Freight)
18th Oct 2022, 06:35
Replies: 31
Views: 3,511
Posted By Dont Hang Up

Am I missing something? I only see the 'Like'...

Am I missing something?
I only see the 'Like' button on a very few threads (such as this one).
Forum: Questions
9th Jun 2022, 11:23
Replies: 14
Views: 1,447
Posted By Dont Hang Up

In my experience that was generally how it was...

In my experience that was generally how it was done at the airfield..
Dial for 0 feet and quote the QFE baro setting or dial for 1013mb and quote the QNE elevation.

Due allowance made for the...
Forum: Questions
9th Jun 2022, 04:57
Replies: 14
Views: 1,447
Posted By Dont Hang Up

Er, hardly. Simply pointing out that it is an...

Er, hardly. Simply pointing out that it is an issue of context.

If you ask an airfield for its QNE you will be given an elevation. To fly relative to that elevation you will set your altimeter for...
Forum: Questions
8th Jun 2022, 12:23
Replies: 14
Views: 1,447
Posted By Dont Hang Up

It does not seem to me to be any real source of...

It does not seem to me to be any real source of confusion. Certainly not one that could have safety implications. Simply a matter of context.

1013.25mb is the pressure at mean sea level of a...
Forum: Rumours & News
3rd May 2022, 11:34
Replies: 23
Views: 10,642
Posted By Dont Hang Up

Suggest you Google "Larson cartoon...

Suggest you Google "Larson cartoon turbulence"
Forum: ATC Issues
22nd Feb 2022, 10:39
Replies: 11
Views: 2,718
Posted By Dont Hang Up

Mode S does actually have a "whose there"...

Mode S does actually have a "whose there" interrogation known as the "All Call". Sent out continuously through the whole antenna rotation.

However when it finds a new target (aircraft) it then...
Forum: Spectators Balcony (Spotters Corner)
16th Nov 2021, 13:20
Replies: 5
Views: 2,833
Posted By Dont Hang Up

Wouldn't an A380 just flatten it anyway?

Wouldn't an A380 just flatten it anyway?
Forum: Passengers & SLF (Self Loading Freight)
14th Sep 2021, 13:36
Replies: 28
Views: 5,158
Posted By Dont Hang Up

Currently that is a problem. I was back in the UK...

Currently that is a problem. I was back in the UK for 5 weeks in Jul/Aug and planned to do the renewal then, but found that it was impossible to book a passport office appointment (for Newport or...
Forum: ATC Issues
9th Sep 2021, 11:29
Replies: 21
Views: 7,569
Posted By Dont Hang Up

It reminds me of when NATS rebranded back in the...

It reminds me of when NATS rebranded back in the 1990s.
Didn't change the name. Just stated it was no longer an acronym.
Not sure how much they paid their marketing consultants for that work of...
Forum: Spectators Balcony (Spotters Corner)
3rd Jul 2021, 12:59
Replies: 20
Views: 3,200
Posted By Dont Hang Up

Spotted it at lunchtime just south of Karlsruhe,...

Spotted it at lunchtime just south of Karlsruhe, Germany, heading Southeast. Is it doing some sort of European tour?

Then again FR24 suggests it has turned South over Stuttgart. Probably headed...
Forum: Military Aviation
21st Jan 2021, 06:48
Replies: 449
Views: 128,123
Posted By Dont Hang Up

"Late again Smythe! That's the second time this...

"Late again Smythe! That's the second time this week you know. You're a retired military guy aren't you? I bet you didn't turn up late then!"

"Well, I am a little embarrassed to admit it, but in...
Forum: Questions
23rd Oct 2020, 13:52
Replies: 14
Views: 3,822
Posted By Dont Hang Up

Lift will equal the pressure differential between...

Lift will equal the pressure differential between the top and bottom of a wing only if the wing passes through the volume of air and leaves it undisturbed.

At a positive angle of attack the volume...
Forum: Tech Log
8th Oct 2020, 14:38
Replies: 35
Views: 10,651
Posted By Dont Hang Up

In principle I would agree. In practice, I...

In principle I would agree.

In practice, I would suggest that 3-axis control law is a precise art and thus autopilots can fly with a precision difficult for humans to equal (consistently anyway)....
Forum: Tech Log
7th Oct 2020, 08:32
Replies: 35
Views: 10,651
Posted By Dont Hang Up

The control law has never been the issue for...

The control law has never been the issue for autonomous flight. There is no reason that an autopilot cannot consistently carry out an on-limits crosswind landing as well as a top class pilot on the...
Forum: Passengers & SLF (Self Loading Freight)
7th Sep 2020, 15:24
Replies: 35
Views: 13,997
Posted By Dont Hang Up

Once again it is worth reminding ourselves that...

Once again it is worth reminding ourselves that there are no prerequisite qualifications for being a passenger on a commercial aircraft - either in terms of intelligence or being aviation savvy. And...
Forum: Military Aviation
27th Aug 2020, 11:55
Replies: 40
Views: 8,388
Posted By Dont Hang Up

To quote from Wikipedia...

To quote from Wikipedia https://en.wikipedia.org/wiki/Tsar_Bomba

To limit the amount of fallout, the third stage and possibly the second stage had a lead tamper instead of a uranium-238 fusion...
Forum: Rumours & News
24th Jun 2020, 14:40
Replies: 1,752
Views: 3,051,306
Posted By Dont Hang Up

I suspect there will be little new to be learned...

I suspect there will be little new to be learned from the CVR after the commencement of the approach. If there are any clues at all they will be in the preceding portion - from the departure briefing...
Forum: Rumours & News
7th Apr 2020, 15:47
Replies: 15
Views: 7,777
Posted By Dont Hang Up

Is shortage of space really the issue? I...

Is shortage of space really the issue?

I mean, compared to shortage of ventilators, nurses and doctors?
Forum: ATC Issues
12th Mar 2020, 14:07
Replies: 6
Views: 2,673
Posted By Dont Hang Up

Perhaps you are thinking of the ILS as some...

Perhaps you are thinking of the ILS as some pencil-thin guidance beam that the aircraft flies down. In which case you may think that aircraft ahead might "block" the signal. In reality that is not...
Forum: ATC Issues
21st Feb 2020, 10:26
Replies: 6
Views: 2,673
Posted By Dont Hang Up

With the frequencies used and the nature of the...

With the frequencies used and the nature of the signal the distortions tend to be very limited.

Remembering that the localiser signal is generated by an antenna array beyond the far end of the...
Forum: The Pacific: General Aviation & Questions
14th Feb 2020, 07:31
Replies: 70
Views: 34,784
Posted By Dont Hang Up

ATC is, put simply, a control loop involving...

ATC is, put simply, a control loop involving Radar Screen->ATCO->Pilot->Aircraft.

Control loops can operate in two different ways: The controlling agent can explicitly command and require...
Forum: Spectators Balcony (Spotters Corner)
9th Feb 2020, 12:27
Replies: 83
Views: 73,884
Posted By Dont Hang Up

Not just the UK but much of Northern Europe....

Not just the UK but much of Northern Europe. Obviuosly EK17 decided AMS was okay for now. Perhaps simply because of the better choice of runways.
Ironically, with the low centred over the North of...
Forum: Rumours & News
12th Dec 2019, 12:28
Replies: 134
Views: 98,698
Posted By Dont Hang Up

Never underestimate the influence of human...

Never underestimate the influence of human factors.

Turn the argument around. Why would pilots prefer casual dress in the sim? More relaxed? More comfortable? That is already a tacit admission...
Forum: Rumours & News
11th Oct 2019, 09:07
Replies: 53
Views: 56,059
Posted By Dont Hang Up

A CofG issue? Insufficient weight on the...

A CofG issue? Insufficient weight on the nose-wheel for safe taxi. At least that is what I was told.
Forum: Rumours & News
6th Aug 2019, 11:03
Replies: 46
Views: 34,953
Posted By Dont Hang Up

A story lacking in factual detail. In particular...

A story lacking in factual detail. In particular if the seat broke during flight it is not even a story.

How they dealt with this passenger for the landing is the only point of interest.
Forum: Rumours & News
6th Aug 2019, 06:35
Replies: 121
Views: 109,972
Posted By Dont Hang Up

I am surprised noone has thus far suggested this...

I am surprised noone has thus far suggested this was extreme condensation from the AC. Particular the timing - ten minutes before landing - is when the aircraft may have descended into outside air...
Forum: Tech Log
17th Jul 2019, 13:43
Replies: 32
Views: 14,205
Posted By Dont Hang Up

Isn't the argument that, once below cloud base,...

Isn't the argument that, once below cloud base, it is easier to see and avoid? Not that it is somehow safer to fly under rather than through.
Forum: Rumours & News
11th Jun 2019, 11:14
Replies: 37
Views: 28,384
Posted By Dont Hang Up

As we are being pedantic I suppose we should be...

As we are being pedantic I suppose we should be clear that "course and velocity" is tautology. There is "course and speed" or there is "velocity".
Forum: Tech Log
22nd May 2019, 12:52
Replies: 26
Views: 8,763
Posted By Dont Hang Up

The point of this discussion is that some phones...

The point of this discussion is that some phones truly are gyro based instruments. The question, as identified in the thread title, is simply whether they are good enough to be used in an aircraft in...
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