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PMDG MD-11 - opinions?

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You are spot on CoolP, and I do recall reading of the changes in procedures that were morphed out of the tail strike program and the subsequent crashes. They had to so something to teach control of the bounce tendency on the MD11.

 

Very interesting stuff!

Will Reynolds

 

Flight Sim Addict

 

Posted Image

Ok, then I misunderstood your post, Gear Up and Off. Sorry. :blush:

 

I was wondering. Do you guys receive a very bouncy character in the sim with the MD-11? I mean, no landing of mine (all planes) is a good one :lol: but, on that plane, it seems like bouncing isn't that much of a problem in FSX.

 

I actually like how she lands and my 737NG attempts are much worse. Due to that floaty character modelled.

To expensive hey, especially in comprasion with the NGX

 

It's cheaper than the NGX. The price on the site is wrong. Click buy and you'll see the correct price.

Ok, then I misunderstood your post, Gear Up and Off. Sorry. :blush:

 

I was wondering. Do you guys receive a very bouncy character in the sim with the MD-11? I mean, no landing of mine (all planes) is a good one :lol: but, on that plane, it seems like bouncing isn't that much of a problem in FSX.

 

I actually like how she lands and my 737NG attempts are much worse. Due to that floaty character modelled.

 

I just bought the MD-11, and wow she likes to hover over the runway.

I haven't bounced it but I haven't stuck it in the LZ yet. I actually have to force her onto the runway from the ground effect float and then use the whole friggin runway to slow her down.

 

Seems she has a lot more momentum then Boeings. Definitely a refreshing change from the Boeing both systems and performance wise.

I actually find landing the NGX easier.

 

 

Sent from my iPhone using Tapatalk...typing errors imminent

AJ Pongress

Boeing777_Banner_BetaTeam.jpg

 

The MD11 actually does perform some beautiful auto lands, that DVD you have of Martinair shows one on arrival at Schiphol.

 

Um, yes I know, I've owned the DVD since 2005, and have seen it in excess of 100 times.... :wink: Captian Ruud Bakker and F/O Robert Lance seem like personal friends :lol:

 

A post a few up from mine appeared to ask about manual v auto landings, and I stand by my comment that - although of course the aircraft is capable - doing autolands as a matter of course is not part of any airline SOPs.......

Raul, could it be that you've read the discussion about the autothrottle usage as one about autoland? :mellow: Will asked the same here.

Possibly CoolP, English is not my first language, so apologise if that's the case. It seemed to be about both auto throttle and autoland. At least you raised it in a friendly respectful way. :wink:

 

Thank you, and apologies if I misunderstood.

No problem, Raul. And that video you've mentioned is really good indeed.

  • 2 weeks later...

Hi all,

 

Interesting thread, I have the MD11 too and it lands just beautifully. I think the manuals that come with it, anyone ever read them properly? suggest autothrottle being left on all the time until touch down. I'm not sure, but does this have anything to do with the Lateral Stability System on the MD11? You know, that system where you can aim the plane at the runway and it just goes there!

 

Anyway most of my crashes in the MD11 have been when I have tried to land with manual throttles and the aircraft doesn't stop on the runway, no brakes, spoilers or anything, just keeps on merrily going across the countryside until it hits something solid..............yes before you all start screaming at me, the auto brakes were on and the spoilers were armed too. So I tend to always land with autothrottle engaged and the speeds set using the FMC either at flaps 35 or 50 degrees selected.

 

Ok on an aside, how many have been caught out on arrival somewhere because you didn't lower the flaps early and the speed stayed too high. Is the MD11 the only airliner that won't slow down until the flaps are set correctly for the lower speed requested, unlike some which slow down and then try and stall because you forgot to lower the flaps in time!!!!

 

such an amazing aircraft the MD11.....................mmmmm A Tristar fuselage with an MD11's automation, now that would be a great airliner!!!

 

Oh the Martinair DVD is great but the Swissair one is better imo!!!

 

Happy flying,

Happy Flying,

 

Dave Phillips.

I think the manuals that come with it, anyone ever read them properly? suggest autothrottle being left on all the time until touch down. I'm not sure, but does this have anything to do with the Lateral Stability System on the MD11? You know, that system where you can aim the plane at the runway and it just goes there!

In rare cases, the PMDG manuals may contain inaccurate information or different compared to the content in the original manuals of the manufacturer. While they are usually accurate, the most accurate and reliable sources are the manuals of the manufacturer. In this case, I believe you are correct regarding the use of autothrottle during landing. Many people may have thought otherwise due to the differing nature of autothrottle usage during manual approach on Boeing aircraft.

 

Anyway most of my crashes in the MD11 have been when I have tried to land with manual throttles and the aircraft doesn't stop on the runway, no brakes, spoilers or anything, just keeps on merrily going across the countryside until it hits something solid..............yes before you all start screaming at me, the auto brakes were on and the spoilers were armed too. So I tend to always land with autothrottle engaged and the speeds set using the FMC either at flaps 35 or 50 degrees selected.

Even if you have performed landing procedures correctly, it is still your responsibility to monitor aircraft systems after touch down (e.g., autobrakes, reverse thrust, speed brakes), so the aircraft should never collide or overshoot on roll out during good weather conditions. You should easily be able to notice the lack of decay in speed if something goes wrong.

 

Ok on an aside, how many have been caught out on arrival somewhere because you didn't lower the flaps early and the speed stayed too high. Is the MD11 the only airliner that won't slow down until the flaps are set correctly for the lower speed requested, unlike some which slow down and then try and stall because you forgot to lower the flaps in time!!!!

If what Boeing advises applies to the MD-11, shouldn't you have a standard flaps extension schedule? On the B747, flaps should be extended one notch when the speed of the aircraft reaches the minimum clean speed of the next-highest flaps setting. For example, you should extend flaps to 1 when the aircraft speed reaches the flaps up marker, and extend flaps to 5 when the aircraft speed reaches the flaps 1 marker, and so on. If you use these techniques, you shouldn't find yourself deviating too severely from a stable approach. You must ensure that your approach speeds and speed restrictions are appropriate through consultation with approach charts.

If what Boeing advises applies to the MD-11, shouldn't you have a standard flaps extension schedule? On the B747, it is recommended that the flaps are extended one notch when the speed of the aircraft (which should correlate appropriately if the approach speeds are set/selected properly) reaches the minimum clean speed of the next-highest flaps setting. Therefore, you should extend flaps to 1 when the aircraft speed reaches the flaps up marker, and extend flaps to 5 when the aircraft speed reaches the flaps 1 marker, and so on. If you use these techniques, you shouldn't find yourself deviating too severely from a stable approach.

 

I think I am right in saying that unlike Boeings were you should lower the flaps as the speed slows past the indication on the speed tape, the MD11 won't actually slow down until the correct flap setting is selected for the next reduction in speed. Well that's what I was trying to say in my post, lol

Happy Flying,

 

Dave Phillips.

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