c5load
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The Year We Will See The End Of Tri Holers?

Thu Jan 19, 2012 2:50 am

This may be a Polls and Prefs forum question but I will leave that to the mods. I saw about a month ago at DAY the daily FX 727 which I thought had ceased. That led me to wonder, when do you think we will see the end of three holers? 727s i imagine within the next ~3-5 yrs? DC-10s and MD-11s, maybe ~8-15 yrs? What do you all think?
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kiwiinoz
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RE: The Year We Will See The End Of Tri Holers?

Thu Jan 19, 2012 3:33 am

I think 15 years for the last cargo MD11's. There will no doubt always be a few around but not in regular service
 
tdscanuck
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RE: The Year We Will See The End Of Tri Holers?

Thu Jan 19, 2012 5:47 am

Quoting c5load (Thread starter):
That led me to wonder, when do you think we will see the end of three holers?

There are many 727 freighters running around in the more distant corners of the world that are ideally suited for what they do...without a viable replacement, they'll be around for at least another decade I suspect.

The real holdout will be the KC-10's...based on the KC-X competition (what begat the KC-46), it will take another 30 years to bid out the KC-Y (the replacement for the KC-10).

Tom.
 
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RE: The Year We Will See The End Of Tri Holers?

Thu Jan 19, 2012 6:36 am

Better tell Dassault to quit building the three engined Falcon variants   
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notaxonrotax
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RE: The Year We Will See The End Of Tri Holers?

Thu Jan 19, 2012 11:29 am

Quoting tdscanuck (Reply 2):
There are many 727 freighters running around in the more distant corners of the world that are ideally suited for what they do...without a viable replacement, they'll be around for at least another decade I suspect.

Viable how? I mean, does the 727 have certain features that could not be matched by, for instance; a younger 757, 737 or an A320 family? I normally think when I see those cargo 727´s (and every airport in Latin America seems to have one at least) that they are there still ´cause there´s simply no money to replace them.

When you say "viable", you mean "best option for cash-stricken companies", or does the 727 really bring something special to the table for cargo operators? I mean, aren´t they gas-guzzlers?? Do they have exceptional performance on smaller airstraips for instance?

The 727 fascinates me, due to the sheer amount of them hanging around still.
A lot of them are just organ donors, no doubt........but some appear to be "airworthy" and are just never used, it seems.

MD-11 is a beauty in my opinion and luckily my local airport sees a fair share of them, still.

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tdscanuck
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RE: The Year We Will See The End Of Tri Holers?

Thu Jan 19, 2012 3:16 pm

Quoting notaxonrotax (Reply 4):
Viable how? I mean, does the 727 have certain features that could not be matched by, for instance; a younger 757, 737 or an A320 family?

Newer 737/A320's don't have the field performance. A younger 757 may but is a big step change in operating complexity. For small, austere airfields in the more remote corners of the world without great maintenance support it's hard to beat a 727.

Quoting notaxonrotax (Reply 4):
When you say "viable", you mean "best option for cash-stricken companies", or does the 727 really bring something special to the table for cargo operators?

Some of both...it's very cheap from an acquisition and parts point of view, engines are cheap and plentiful, it's got fantastic short-field performance, and you can get it with a gravel kit.

Quoting notaxonrotax (Reply 4):
I mean, aren´t they gas-guzzlers?

Yes. But if you bump up to the next bigger sized aircraft it may be more efficient but have similar (or even higher) trip costs due to the larger aircraft.

Quoting notaxonrotax (Reply 4):
Do they have exceptional performance on smaller airstraips for instance?

Yes, very much so.

Tom.
 
B6JFKH81
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RE: The Year We Will See The End Of Tri Holers?

Thu Jan 19, 2012 4:44 pm

Well, the answer is pretty obvious:



  

But to be serious, I think we will see them for quite some time to come, especially in the cargo operations. I love seeing the FX MD-10's here at JFK!

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DarkSnowyNight
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RE: The Year We Will See The End Of Tri Holers?

Fri Jan 20, 2012 3:13 am

Quoting B6JFKH81 (Reply 6):
I think we will see them for quite some time to come, especially in the cargo operations. I love seeing the FX MD-10's here at JFK!

I love seeing them anywhere...

Quoting tdscanuck (Reply 5):

Newer 737/A320's don't have the field performance. A younger 757 may but is a big step change in operating complexity. For small, austere airfields in the more remote corners of the world without great maintenance support it's hard to beat a 727.

I'll certainly agree with regards to complexity issues. But the 727s really have that much better short field performance? For some reason (probably some deep seated sweepback prejudice of mine, lol) I always thought that something like a 737 or a 757 would actually use less runway at Max TOW than a 727.

Is it the prevalence of the 72's high lift devices that tips the scales there, or just the fact of having three engines back there doing the pushing. Both perhaps?

Anyway, I never thought of the 72 as being that much lighter than a 75, so that certainly is interesting...
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seabosdca
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RE: The Year We Will See The End Of Tri Holers?

Fri Jan 20, 2012 3:19 am

Quoting tdscanuck (Reply 5):
Newer 737/A320's don't have the field performance.

A 737-700 has the field performance, but maybe not the capacity, and it's still damned expensive for that type of operator.

Quoting c5load (Thread starter):
when do you think we will see the end of three holers? 727s i imagine within the next ~3-5 yrs? DC-10s and MD-11s, maybe ~8-15 yrs?

Here in the US, the 727s will be done as soon as FedEx pulls them, so within the next few years. Cargo DC-10s are on their way out in the next 5-8 years. Cargo MD-11s will be flying for at least another two decades, maybe more.
 
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RE: The Year We Will See The End Of Tri Holers?

Fri Jan 20, 2012 4:01 am

Quoting notaxonrotax (Reply 4):
Do they have exceptional performance on smaller airstraips for instance?
Quoting tdscanuck (Reply 5):
For small, austere airfields in the more remote corners of the world without great maintenance support it's hard to beat a 727.

They can also serve areas with no ground support due to their built in airstairs. Try that with a 757!
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FlyMKG
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RE: The Year We Will See The End Of Tri Holers?

Fri Jan 20, 2012 4:41 am

Quoting notaxonrotax (Reply 4):
Viable how? I mean, does the 727 have certain features that could not be matched by, for instance; a younger 757, 737 or an A320 family?

A 757 for the smaller carriers that use the 727 is just too much airplane. Too many positions and too large to operate into many of the airports that current smaller 72 operators fly into. Purchasing a 737 classic, giving it a C check, and cutting a door in it will run you many millions more than operating a 727 for many years or purchasing a 727 with a door and C checking it. With regards to the A320 family, I have heard there are many complications with trying to put a door in due to the position of systems and the structural integrity with a huge hole in the side of the fuselage.

Quoting seabosdca (Reply 8):
Here in the US, the 727s will be done as soon as FedEx pulls them, so within the next few years.

False. There are quite a few companies with 727s that will be operating them for the foreseeable future. Capital, Amerijet, IFL Group, and Kalitta Charters II all still operate a large number of 727s.

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notaxonrotax
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RE: The Year We Will See The End Of Tri Holers?

Fri Jan 20, 2012 4:30 pm

Quoting tdscanuck (Reply 5):

Quoting notaxonrotax (Reply 4):
Do they have exceptional performance on smaller airstraips for instance?

Yes, very much so.

Interesting.

Quoting darksnowynight (Reply 7):
I'll certainly agree with regards to complexity issues. But the 727s really have that much better short field performance? For some reason (probably some deep seated sweepback prejudice of mine, lol) I always thought that something like a 737 or a 757 would actually use less runway at Max TOW than a 727.

Is it the prevalence of the 72's high lift devices that tips the scales there, or just the fact of having three engines back there doing the pushing. Both perhaps?

Anyway, I never thought of the 72 as being that much lighter than a 75, so that certainly is interesting...

Yeah, I´m with you! I made the same assumptions for some reason……...

Quoting seabosdca (Reply 8):

A 737-700 has the field performance, but maybe not the capacity, and it's still damned expensive for that type of operator.

I´m curious now, some say B737NG have the performance, others don´t!?
Would it be that the 737-700 beats the 727; but the 737-800 doesn´t?? 737-900, no way!!

Either way, they are much more expensive to buy and probably more complicated to maintain for the small Latin American companies I had in mind.

Quoting DC8FriendShip (Reply 9):
They can also serve areas with no ground support due to their built in airstairs. Try that with a 757!

Fair point……

Quoting FlyMKG (Reply 10):
With regards to the A320 family, I have heard there are many complications with trying to put a door in due to the position of systems and the structural integrity with a huge hole in the side of the fuselage.

Interesting! Is an A320-family member unsuitable for conversion!?
That might hurt the 2nd hand value!!

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seabosdca
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RE: The Year We Will See The End Of Tri Holers?

Fri Jan 20, 2012 5:01 pm

Quoting FlyMKG (Reply 10):
False. There are quite a few companies with 727s that will be operating them for the foreseeable future. Capital, Amerijet, IFL Group, and Kalitta Charters II all still operate a large number of 727s.

FedEx is the gorilla. Once they phase out the 727, the remaining small fleet of 727s will become very, very expensive to maintain. I don't think the small operators will find it in their favor to continue operating the type once FedEx doesn't.

Quoting notaxonrotax (Reply 11):
Would it be that the 737-700 beats the 727; but the 737-800 doesn´t?? 737-900, no way!!

Exactly. The 737-700 is an excellent field performer. The 737-800 is decent, but not great. The 737-900 (whether ER or not) is terrible. The catch is that a 737-700 won't have the capacity of a 727-200.
 
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RE: The Year We Will See The End Of Tri Holers?

Fri Jan 20, 2012 6:11 pm

Quoting notaxonrotax (Reply 4):

Viable how? I mean, does the 727 have certain features that could not be matched by, for instance; a younger 757, 737 or an A320 family? I normally think when I see those cargo 727´s (and every airport in Latin America seems to have one at least) that they are there still ´cause there´s simply no money to replace them.

The aircraft is very rugged and easily maintained, the engines, while fuel consuming, are virtually unbreakable, and due to their location not likely to pick up FOD from bad runways and airfields, and it is quite good for hot and high.

Jan
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Mir
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RE: The Year We Will See The End Of Tri Holers?

Sat Jan 21, 2012 3:13 am

Quoting darksnowynight (Reply 7):
But the 727s really have that much better short field performance? For some reason (probably some deep seated sweepback prejudice of mine, lol) I always thought that something like a 737 or a 757 would actually use less runway at Max TOW than a 727.

It's not about runway performance, it's about engine-out climb performance (which can be a very limiting factor at hot-and-high airports or airports with terrain around them, or hot-and-high airports with terrain around them). A three-engine airplane will beat a comparable two-engine airplane in that area every day of the week and twice on Sundays.

It's a common a.net misconception that twins have better climb performance - they do, but only when everything is working right. And that's not the scenario that the performance requirements are based on.

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Max Q
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RE: The Year We Will See The End Of Tri Holers?

Tue Jan 24, 2012 8:53 pm

Quoting darksnowynight (Reply 7):

I'll certainly agree with regards to complexity issues. But the 727s really have that much better short field performance? For some reason (probably some deep seated sweepback prejudice of mine, lol) I always thought that something like a 737 or a 757 would actually use less runway at Max TOW than a 727.

Yes, it's all about the wing, one of the main design criteria with the B727 was that it be able to carry a full load out of LGA's short runways non stop to MIA for Eastern Airlines.


With a Flaps 25 take off (retracting to F15 at 400ft) and the very efficient high lift design of the wing this was possible.
It's still a useful feature today for the remaining operators.

Quoting Mir (Reply 14):

It's not about runway performance, it's about engine-out climb performance (which can be a very limiting factor at hot-and-high airports or airports with terrain around them, or hot-and-high airports with terrain around them). A three-engine airplane will beat a comparable two-engine airplane in that area every day of the week and twice on Sundays.

It's a common a.net misconception that twins have better climb performance - they do, but only when everything is working right. And that's not the scenario that the performance requirements are based on.

And thats the other part of the equation.
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acedriver
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RE: The Year We Will See The End Of Tri Holers?

Tue Jan 24, 2012 9:50 pm

I'm pretty sure the beautiful DC-10s and MD-11s will be still around for quite some time..
They will eventually be fully replaced by big twins like the 77F, but in my opinion, it's not happening in the 2010s

[Edited 2012-01-24 13:51:09]
 
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ptrjong
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RE: The Year We Will See The End Of Tri Holers?

Tue Jan 24, 2012 11:48 pm

With the KC-135 still going strong, the KC-10 will easily make it into the second half of the century.
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DarkSnowyNight
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RE: The Year We Will See The End Of Tri Holers?

Thu Jan 26, 2012 2:22 am

Quoting Mir (Reply 14):

It's a common a.net misconception that twins have better climb performance - they do, but only when everything is working right.

That makes enough sense. How well supported do the JT8Ds remain? I would imagine that with FX's 50 odd fleet as well as the others in service make that fairly practical.

Quoting Max Q (Reply 15):


With a Flaps 25 take off (retracting to F15 at 400ft) and the very efficient high lift design of the wing this was possible.
It's still a useful feature today for the remaining operators.

Interesting seems like a pretty quick retraction. I will say that the 727 seems to have a lot of laundry hanging off the back once the flap setting gets past about 20 or so.
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