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News: Precision Simulator update 10.92 (26 October 2019) is now available

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1
Accessories / Plug and Play MCDU
« Last post by the mad hatter on Tue, 19 Nov 2019 14:57 »
Bring out the dancing girls I say  :-)   Cockpit Concepts have almost completed a plug and play MCDU for PSX .. The display code in his words is now complete so it will not be long now I for one am excited about this bit of kit.
2
Hangar 7 / Re: Eurocontrol SRAP
« Last post by Dispatcher on Tue, 19 Nov 2019 13:54 »
Yes it's about one single runway.
To me it looks like another critical point to manage (airplane in the secondary G/S will have shorter LDA, possibility of error tuning on the correct G/S, need to mantain accurate approach speeds, bigger G/S angle path etc...)..but probably this is the future.

3
Accessories / Re: P3D vs X Plane as scenery generator
« Last post by brian747 on Tue, 19 Nov 2019 13:51 »
Quote
...what are the pro's and con's of both simulations in conjunction with PSX?

First of all, may I say that I entirely concur with all the wise words of m'learnéd friends Hammerstan and RogerH.     

In addition to which, and speaking as a user of both scenery generators, I might make the following observations (just my opinion; and no doubt some would disagree).   

P3D, first of all.

There are a greater number of options and add-ons available, although the emphasis here is firmly on payware. You get cloud shadows, but — unlike in the PSX universe — all runways are dead flat. The biggest weakness is that deep in its guts P3D is still based on the old Microsoft graphics engine, which needs active assistance and encouragement if it is to make effective use of more than a single processor (still — in these days when more and more processors in the CPU are becoming the norm).

From the PSX perspective you have a choice of link programs to P3D: ExternalSim (freeware) or WidePSX (payware). ExternalSim also gives you access to the whole magnificent stable of PSX.Net and PSX Dispatch applications: WidePSX limits you to a (supplied) POSKY-derived puppet aircraft in P3D — but it also comes with additions for weather aloft, ground handling and pushback, and other functions. Both link programs work well and give you smooth movement in P3D.

Now X-Plane 11.

The most noticeable difference that hit me straight away was the prevalence of freeware: if cash outlay is a significant factor then this could be relevant — and that profusion of freeware might also explain why there are fewer payware airports available than there are for P3D. X-Plane makes better use of multiple processors than P3D does, but nonetheless if you set the sliders too far to the right (and especially if you make heavy use of ortho scenery or UHD mesh) it is also just as capable of bringing powerful hardware to its knees as is P3D.

But the runways, thankfully, are no longer flat. 
 
The (relatively) imminent arrival of Vulkan should also improve framerates by around 10 fps on nVidia or more on AMD cards (or so we are promised by LR). And compared to P3D I have to aver that I already get more fps with X-Plane — on the basis of a comparison when taking off from Aerosoft's Heathrow in both sims, anyway. But, as ever, YMMV....   

The slight caveat here would be that although the huge number of freeware airports is a great-to-have factor (and some of them are extremely impressive, comparing well with some payware), nonetheless don't be too surprised if, after placing your aircraft at the gate in PSX and then connecting to X-P, you discover your aircraft parked with some parts of it inside a terminal or intersecting another aircraft. Most X-P freeware airport creators appear not to have been <*cough*> working from accurate charts, shall we say.   

But the X-P views are indeed lovely, especially if you adjust the weather options to push the haze out from the default 25m to, say, 75m and then add a little correction to increase saturation. And of course when it comes to night lighting the views far exceed anything that P3D can do even with the assistance of the ultra-expensive Black Marble add-ons — simply superb.

But no seasons, by default    (although there is a free, but slightly convoluted to implement, add-on for snow). And there's support for only one graphics card, as noted by Hammerstan.

When connecting to PSX, then XView (via XPUIPC) is the name of the game. And XView works with X-Plane with the same smoothness as its counterparts do with P3D. From the user-friendliness point of view, I followed the manual when setting it up and after less than five minutes it worked first time, and has continued to do so. However, XView is admittedly a little elderly and in need of an update, and so Hammerstan's comments about support, and connectivity to some clients, should be kept in mind. You might be interested in these forum comments from jcomm about installing XView: http://aerowinx.com/forum/topic.php?post=21426#post21426


Summary

I'm trying to focus on the primary issue that Ton asked about — user-friendliness. Certainly, it takes me longer to climb aboard a vlight in P3Dv4 than it does in X-Plane (even though I rely heavily on the use of SIMstarter NG to load all the multiplicity of P3D add-ons for me). But there's no perceptible difference in smoothness as driven by PSX, although I do notice that in general I'm getting better fps from X-P (and a further improvement is promised, as previously mentioned).

In general, X-P add-ons do feel... less developed than their P3D equivalents, it has to be said: compare Better Pushback with all the bells and whistles of GSX, for example, or (less convincingly, since these are payware) X-Camera with ChasePlane or Traffic Global with UTL. But taken overall there is also a perceptible difference in the amount of cash outlay involved, and speaking as a member of the group characterised by RogerH as "those of us who have to save up for stuff" that's also important to me since it makes X-P feel more user-friendly than P3D. Although I ought to qualify that comment by pointing to Laminar Research's statement of the recommended system to run X-Plane:

Recommended Hardware Requirements:  https://www.x-plane.com/kb/x-plane-11-system-requirements/
CPU: Intel Core i5 6600K at 3.5 ghz or faster
Memory: 16-24 GB RAM or more
Video Card: a DirectX 12-capable video card from NVIDIA, AMD or Intel with at least 4 GB VRAM (GeForce GTX 1070 or better or similar from AMD)

As an old hand at tuning *ix VLDB systems I tend to keep a wary eye on my memory usage, and so I feel that their suggestion about a graphics card with 4Gb VRAM might sometimes be insufficient, at least in more complex environments such as large airports near cities (not everyone vlies VFR all the time, will Laminar Research and others please note!    ). However, I do appreciate their honesty in stipulating "16-24 GB RAM or more" for main memory, since that accords with my observations — but having said that, I have to admit that, once it's loaded with all the bells and whistles, a P3D environment can also be pushing towards the 16Gb boundary....

(One final comment, on the subject of MS 2020. Even apart from the unnatural prospect of paying Microsoft every time I vly (which just ain't gonna happen) I do find myself reluctant to have any trust in Micro$oft after they summarily abandoned simmers some years ago — and I have certain dark suspicions about why they are courting us now. But regardless of that, the fact is that for the first time in my 40 years of simming I'm at last happy with the views I have, both in P3D and (especially, I have to admit) in X-P — right now. Just sayin'...  ¯\_(ツ)_/¯ ).

Anyway, I hope that helps,

Cheers,

Brian
4
I wouldn't stretch it anyway. I would run two networked PSX instances within the same Aerowinx folder, and place the one flight deck frame on monitor A, the other frame on monitor B. Usually, the frame rate and smoothness will be higher, and the layout will be more flexible as you'll get 8 subframes then instead of 4.


|-|ardy
5
Hangar 7 / Re: PSX stretching across MacBook Pro and external monitor.
« Last post by markbennz on Tue, 19 Nov 2019 13:37 »
Thanks Hardy.

I don't seem to be able to to get it to work. Perhaps it's my graphics card?

I'm running the latest PSX.

Not to worry.

Thanks
6
Hangar 7 / Re: Flap speed references on PFD
« Last post by Hardy Heinlin on Tue, 19 Nov 2019 11:31 »
Hi Peter,

thanks for the tip ("272"). It agrees with my theory which I just added in the next PSX update.

Yes, I got some good tips from BA pilots. The problem is: When you guys are in the sim or on the real ship you will open the MCP SPD window or set your own SEL SPD in such scenarios; so it's rather difficult to get a good occassion to test these unusual details ... :-)


Cheers,

|-|ardy
7
Accessories / Re: PSX.NET P3D ExternalSim
« Last post by matchball on Tue, 19 Nov 2019 11:29 »
Anyone able to help with this? I have tried turning firewall off. Tried using the mmc actions for firewall...

Two days ago I flew using PSX.NET a flight of roughly 8 hours. Everything worked flawlessly. However yesterday I ran into issues. The P3D would not link to PSX. After several restarts, firewall tuning, I got the p3d to sync. All went fine until I was about to land and opene P3D. Water everywhere... Looking at the data from P3D, the airplane had synced everything correctly (at least from what I saw) except the logitude data. Aka the plain flew in bullet straight line though replicated speed and altitude changes correctly.

Track time   Latitude   Longitude   Altitude   Ground Speed   Leg
2019-11-18 14:35:58   -33.022031   -70.810417   11930 ft   377 kts   
2019-11-18 14:39:03   -32.839612   -71.123945   18023 ft   426 kts   SCEL-MYNN
2019-11-18 14:42:08   -32.482596   -71.198495   22839 ft   459 kts   SCEL-MYNN
2019-11-18 14:45:13   -32.078212   -71.200506   26474 ft   484 kts   SCEL-MYNN
2019-11-18 14:48:18   -31.659931   -71.200506   29904 ft   486 kts   SCEL-MYNN
2019-11-18 14:51:23   -31.247342   -71.200506   32005 ft   480 kts   SCEL-MYNN
2019-11-18 14:54:28   -30.837119   -71.200506   32004 ft   479 kts   SCEL-MYNN
2019-11-18 14:57:33   -30.428386   -71.200506   32005 ft   478 kts   SCEL-MYNN
2019-11-18 15:00:38   -30.019258   -71.200506   32005 ft   479 kts   SCEL-MYNN
2019-11-18 15:03:43   -29.611318   -71.200506   32005 ft   478 kts   SCEL-MYNN
2019-11-18 15:06:48   -29.203458   -71.200506   32004 ft   478 kts   SCEL-MYNN
2019-11-18 15:09:53   -28.797174   -71.200506   32005 ft   476 kts   SCEL-MYNN
2019-11-18 15:12:58   -28.391362   -71.200506   32031 ft   472 kts   SCEL-MYNN
2019-11-18 15:16:03   -27.987188   -71.200506   32031 ft   477 kts   SCEL-MYNN
2019-11-18 15:19:08   -27.582543   -71.200506   32032 ft   471 kts   SCEL-MYNN
2019-11-18 15:22:13   -27.17973     -71.200506   32032 ft   476 kts   SCEL-MYNN
2019-11-18 15:25:18   -26.775162   -71.200506   32032 ft   472 kts   SCEL-MYNN
2019-11-18 15:28:23   -26.371258   -71.200506   32032 ft   476 kts   SCEL-MYNN
2019-11-18 15:31:28   -25.967396   -71.200506   32033 ft   471 kts   SCEL-MYNN
2019-11-18 15:34:33   -25.565508   -71.200506   32006 ft   469 kts   SCEL-MYNN
2019-11-18 15:37:38   -25.16557     -71.200506   32006 ft   469 kts   SCEL-MYNN
2019-11-18 15:40:43   -24.76389       -71.200506   32004 ft   471 kts   SCEL-MYNN
2019-11-18 15:43:48   -24.361104   -71.200506   32005 ft   471 kts   SCEL-MYNN
2019-11-18 15:46:53   -23.957165   -71.200506   32005 ft   472 kts   SCEL-MYNN
2019-11-18 15:49:58   -23.552468   -71.200506   32005 ft   470 kts   SCEL-MYNN
2019-11-18 15:53:03   -23.147652   -71.200506   32005 ft   473 kts   SCEL-MYNN
2019-11-18 15:56:08   -22.745651   -71.200506   32006 ft   469 kts   SCEL-MYNN
2019-11-18 15:59:13   -22.34443      -71.200506   32005 ft   468 kts   SCEL-MYNN
2019-11-18 16:02:18   -21.943101   -71.200506   32005 ft   469 kts   SCEL-MYNN
2019-11-18 16:05:23   -21.54152           -71.200506   32005 ft   469 kts   SCEL-MYNN
2019-11-18 16:08:28   -21.141103   -71.200506   32005 ft   468 kts   SCEL-MYNN
2019-11-18 16:11:33   -20.740203   -71.200506   31978 ft   468 kts   SCEL-MYNN
2019-11-18 16:14:38   -20.335174   -71.200506   31978 ft   480 kts   SCEL-MYNN
2019-11-18 16:17:43   -19.925728   -71.200506   31978 ft   479 kts   SCEL-MYNN
2019-11-18 16:20:48   -19.513763   -71.200506   31977 ft   479 kts   SCEL-MYNN
2019-11-18 16:23:53   -19.110623   -71.200506   31977 ft   476 kts   SCEL-MYNN
2019-11-18 16:26:58   -18.70703           -71.200506   31977 ft   477 kts   SCEL-MYNN
2019-11-18 16:30:03   -18.303131   -71.200506   31978 ft   488 kts   SCEL-MYNN
2019-11-18 16:33:08   -17.890429   -71.200506   32004 ft   490 kts   SCEL-MYNN
2019-11-18 16:36:13   -17.477749   -71.200506   32077 ft   496 kts   SCEL-MYNN
2019-11-18 16:39:18   -17.056767   -71.200506   32178 ft   498 kts   SCEL-MYNN
2019-11-18 16:42:23   -16.642757   -71.200506   32279 ft   497 kts   SCEL-MYNN
2019-11-18 16:45:28   -16.217905   -71.200506   32334 ft   508 kts   SCEL-MYNN
2019-11-18 16:48:33   -15.812119   -71.200506   34304 ft   488 kts   SCEL-MYNN
2019-11-18 16:51:38   -15.399124   -71.200506   34497 ft   489 kts   SCEL-MYNN
2019-11-18 16:54:43   -14.989071   -71.200506   34499 ft   488 kts   SCEL-MYNN
2019-11-18 16:57:48   -14.578673   -71.200506   34498 ft   489 kts   SCEL-MYNN
2019-11-18 17:00:53   -14.167959   -71.200506   34499 ft   489 kts   SCEL-MYNN
2019-11-18 17:03:58   -13.755936   -71.200506   34499 ft   493 kts   SCEL-MYNN
2019-11-18 17:07:03   -13.342975   -71.200506   34499 ft   490 kts   SCEL-MYNN
2019-11-18 17:10:08   -12.931971   -71.200506   34499 ft   490 kts   SCEL-MYNN
2019-11-18 17:13:13   -12.521463   -71.200506   34500 ft   490 kts   SCEL-MYNN
2019-11-18 17:16:18   -12.109476   -71.200506   34499 ft   491 kts   SCEL-MYNN
2019-11-18 17:19:23   -11.697448   -71.200506   34499 ft   491 kts   SCEL-MYNN
2019-11-18 17:22:28   -11.284461   -71.200506   34499 ft   493 kts   SCEL-MYNN
2019-11-18 17:25:33   -10.870542   -71.200506   34498 ft   493 kts   SCEL-MYNN
2019-11-18 17:28:38   -10.45593           -71.200506   34499 ft   495 kts   SCEL-MYNN
2019-11-18 17:31:43   -10.037038   -71.200506   34435 ft   502 kts   SCEL-MYNN
2019-11-18 17:34:48   -9.614626   -71.200506   34339 ft   504 kts   SCEL-MYNN
2019-11-18 17:37:53   -9.19088   -71.200506   34280 ft   501 kts   SCEL-MYNN
2019-11-18 17:40:58   -8.770651   -71.200506   34347 ft   499 kts   SCEL-MYNN
2019-11-18 17:44:03   -8.350833   -71.200506   34248 ft   502 kts   SCEL-MYNN
2019-11-18 17:47:08   -7.930453   -71.200506   34147 ft   502 kts   SCEL-MYNN
2019-11-18 17:50:13   -7.50852   -71.200506   34046 ft   504 kts   SCEL-MYNN
2019-11-18 17:53:18   -7.081036   -71.200506   33946 ft   514 kts   SCEL-MYNN
2019-11-18 17:56:23   -6.643008   -71.200506   33877 ft   523 kts   SCEL-MYNN
2019-11-18 17:59:28   -6.208198   -71.200506   33877 ft   517 kts   SCEL-MYNN
2019-11-18 18:02:33   -5.768067   -71.200506   33876 ft   524 kts   SCEL-MYNN
2019-11-18 18:05:38   -5.330951   -71.200506   33877 ft   521 kts   SCEL-MYNN
2019-11-18 18:08:43   -4.891131   -71.200506   33865 ft   505 kts   SCEL-MYNN
2019-11-18 18:11:47   -4.481168   -71.200506   33851 ft   492 kts   SCEL-MYNN
2019-11-18 18:14:48   -4.064304   -71.200506   33849 ft   505 kts   SCEL-MYNN
2019-11-18 18:17:53   -3.651988   -71.200506   33849 ft   493 kts   SCEL-MYNN
2019-11-18 18:20:57   -3.216157   -71.200506   33893 ft   518 kts   SCEL-MYNN
2019-11-18 18:24:03   -2.774707   -71.200506   33893 ft   519 kts   SCEL-MYNN
2019-11-18 18:27:07   -2.333402   -71.200506   33895 ft   504 kts   SCEL-MYNN
2019-11-18 18:30:12   -1.916246   -71.200506   33930 ft   490 kts   SCEL-MYNN
2019-11-18 18:33:13   -1.510294   -71.200506   33931 ft   491 kts   SCEL-MYNN
2019-11-18 18:36:17   -1.093141   -71.200506   33931 ft   491 kts   SCEL-MYNN
2019-11-18 18:39:22   -0.67479   -71.200506   33932 ft   493 kts   SCEL-MYNN
2019-11-18 18:42:27   -0.255962   -71.200506   33931 ft   493 kts   SCEL-MYNN
2019-11-18 18:45:32   0.16394   -71.200506   33931 ft   494 kts   SCEL-MYNN
2019-11-18 18:48:37   0.585953   -71.200506   34006 ft   496 kts   SCEL-MYNN
2019-11-18 18:51:43   1.008876   -71.200506   34107 ft   497 kts   SCEL-MYNN
2019-11-18 18:54:47   1.432756   -71.200506   34208 ft   499 kts   SCEL-MYNN
2019-11-18 18:57:52   1.85739   -71.200506   34296 ft   501 kts   SCEL-MYNN
2019-11-18 19:00:57   2.281828   -71.200506   34298 ft   500 kts   SCEL-MYNN
2019-11-18 19:04:03   2.707531   -71.200506   34296 ft   500 kts   SCEL-MYNN
2019-11-18 19:07:07   3.133804   -71.200506   34298 ft   502 kts   SCEL-MYNN
2019-11-18 19:10:12   3.560472   -71.200506   34298 ft   502 kts   SCEL-MYNN
2019-11-18 19:13:17   3.988766   -71.200506   34298 ft   504 kts   SCEL-MYNN
2019-11-18 19:16:22   4.420183   -71.200506   34277 ft   503 kts   SCEL-MYNN
2019-11-18 19:19:27   4.847951   -71.200506   34279 ft   504 kts   SCEL-MYNN
2019-11-18 19:22:32   5.286177   -71.200506   34241 ft   531 kts   SCEL-MYNN
2019-11-18 19:25:37   5.620723   -71.200506   34245 ft   528 kts   SCEL-MYNN
2019-11-18 19:28:42   6.070943   -71.200506   36241 ft   532 kts   SCEL-MYNN
2019-11-18 19:31:47   6.509632   -71.200506   36159 ft   509 kts   SCEL-MYNN
2019-11-18 19:34:52   6.949202   -71.200506   36058 ft   515 kts   SCEL-MYNN
2019-11-18 19:37:57   7.39116   -71.200506   35958 ft   517 kts   SCEL-MYNN
2019-11-18 19:41:02   7.834645   -71.200506   35868 ft   519 kts   SCEL-MYNN
2019-11-18 19:44:07   8.277352   -71.200506   35859 ft   515 kts   SCEL-MYNN
2019-11-18 19:47:12   8.719161   -71.200506   35859 ft   514 kts   SCEL-MYNN
2019-11-18 19:50:17   9.162585   -71.200506   35859 ft   522 kts   SCEL-MYNN
2019-11-18 19:53:22   9.609567   -71.200506   35866 ft   523 kts   SCEL-MYNN
2019-11-18 19:56:27   10.05788   -71.200506   35867 ft   524 kts   SCEL-MYNN
2019-11-18 19:59:32   10.506422   -71.200506   35868 ft   524 kts   SCEL-MYNN
2019-11-18 20:02:37   10.954821   -71.200506   35869 ft   533 kts   SCEL-MYNN
2019-11-18 20:05:42   11.39467           -71.200506   35868 ft   529 kts   SCEL-MYNN
2019-11-18 20:08:47   11.835907   -71.200506   35869 ft   532 kts   SCEL-MYNN
2019-11-18 20:11:52   12.276478   -71.200506   35869 ft   531 kts   SCEL-MYNN
2019-11-18 20:14:57   12.71809           -71.200506   35868 ft   532 kts   SCEL-MYNN
2019-11-18 20:18:02   13.15748       -71.200506   35903 ft   531 kts   SCEL-MYNN
2019-11-18 20:21:07   13.596989   -71.200506   35902 ft   530 kts   SCEL-MYNN
2019-11-18 20:24:12   14.036651   -71.200506   35859 ft   531 kts   SCEL-MYNN
2019-11-18 20:27:17   14.476799   -71.200506   35876 ft   533 kts   SCEL-MYNN
2019-11-18 20:30:22   14.917322   -71.200506   35876 ft   532 kts   SCEL-MYNN
2019-11-18 20:33:27   15.357531   -71.200506   35877 ft   530 kts   SCEL-MYNN
2019-11-18 20:36:32   15.797531   -71.200506   35877 ft   531 kts   SCEL-MYNN
2019-11-18 20:39:37   16.237068   -71.200506   35876 ft   529 kts   SCEL-MYNN
2019-11-18 20:42:42   16.67598          -71.200506   35877 ft   530 kts   SCEL-MYNN
2019-11-18 20:45:47   17.114525   -71.200506   35877 ft   528 kts   SCEL-MYNN
2019-11-18 20:48:52   17.552345   -71.200506   35876 ft   529 kts   SCEL-MYNN
2019-11-18 20:51:57   17.989942   -71.200506   35877 ft   528 kts   SCEL-MYNN
2019-11-18 20:55:02   18.432775   -71.200506   35898 ft   533 kts   SCEL-MYNN
2019-11-18 20:58:07   18.878514   -71.200506   35905 ft   532 kts   SCEL-MYNN
2019-11-18 21:01:12   19.322235   -71.200506   35931 ft   526 kts   SCEL-MYNN
2019-11-18 21:04:17   19.764202   -71.200506   34006 ft   509 kts   SCEL-MYNN
2019-11-18 21:07:22   20.187793   -71.200506   35932 ft   528 kts   SCEL-MYNN
2019-11-18 21:10:27   20.629461   -71.200506   35932 ft   531 kts   SCEL-MYNN
2019-11-18 21:13:32   21.083754   -71.200506   35932 ft   531 kts   SCEL-MYNN
2019-11-18 21:16:37   21.537968   -71.200506   35932 ft   531 kts   SCEL-MYNN
2019-11-18 21:19:42   21.987142   -71.200506   35932 ft   518 kts   SCEL-MYNN
2019-11-18 21:22:47   22.432309   -71.200506   35940 ft   519 kts   SCEL-MYNN
2019-11-18 21:25:52   22.867946   -71.200506   32650 ft   474 kts   SCEL-MYNN
2019-11-18 21:28:57   23.264013   -71.200506   27070 ft   442 kts   SCEL-MYNN
2019-11-18 21:32:02   23.617901   -71.200506   21920 ft   380 kts   SCEL-MYNN
2019-11-18 21:35:07   23.941547   -71.200506   16895 ft   359 kts   SCEL-MYNN
2019-11-18 21:38:12   24.235935   -71.200506   12218 ft   340 kts   SCEL-MYNN
2019-11-18 21:41:17   24.499305   -71.200506   9036 ft   276 kts   SCEL-MYNN
2019-11-18 21:44:22   24.728771   -71.200506   5750 ft   263 kts   SCEL-MYNN
8
Accessories / Re: Elvis needs glasses
« Last post by Hardy Heinlin on Tue, 19 Nov 2019 11:20 »
Hooray, officially platform-independent!

Thanks, guys!

Cheers,
Martini

Would it help if ELVis, when started the first time, just opens the folder in which ELVis is? The user would then navigate to the desired folder, and ELVis could remember the last navigated folder path and autosave this path in its ini file?


Regards,

|-|ardy
9
Hangar 7 / Re: Main and nose gear noise
« Last post by Britjet on Tue, 19 Nov 2019 10:45 »
I don’t recall ever hearing tyres on any of my touchdowns...:-)
A few galley carts getting dislodged maybe, or occasionally an overhead bin emptying. Those O2 masks are quite noisy when they drop, and...the screams...
Peter
10
Hangar 7 / Re: Flap speed references on PFD
« Last post by Britjet on Tue, 19 Nov 2019 10:43 »
Hi Hardy,
As you know I’m a little out of date these days and becoming increasingly so, although I suspect I’ll outlast the BA 747s!
For the non-normal procedure you quote you would select Flap25 on the APP REF page, but then manually insert the Flap 30 VRef after it - so it would have read 25/184.
For a subsequent go-around (and I can’t remember ever doing it) it is my understanding that the UP bug would be on 272, as is the BA way, presumably due to the associated programming.
The subsequent hold would also have the up bug on 272, as I understand it.
The crew would be “allowed” to fly the hold (but only in the hold, not straight flight, interestingly enough) at the specified hold speed on the HOLD page, which is still predicated  on VRef30, so 264.
It’s a bit of a bodge, for sure - I’m afraid I don’t know what happens now, particularly in light of the NG FMC, which BA now uses.
I know we have some BA Pilots on the forum and can contact elsewhere, so either they can post or I can try to find out.
Peter.
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