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Old 01-15-2024, 05:30 PM
  #2281  
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Originally Posted by Viper25
Yup. This is so stupid and nobody has offered a good reason.
IMHO, it's because the software engineer who wrote that program read the FARs and didn't under stand it's not the end of the world if you go a few knots above 250 below 10. As someone else alluded too, I completely disagree with the company position. Standard maneuver tolerance is +/- 10 knots. If we are supposed to be flying 250 and the airplane is flying a perfect 240, fine. But when it slows below 240, as if often does, you are not in compliance with your assigned speed. I try to remember to set the FMS to fly 250/10000. If I forget, as soon as I go below 10,000 I speed intervene 250.

some of the old head 767 guys who are gone, like BW and CT thought it was sacrilege to reprogram the box for 250. They were wrong and I don't know anyone who still teaches to leave it at 240.
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Old 01-15-2024, 05:38 PM
  #2282  
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Originally Posted by Xray678
IMHO, it's because the software engineer who wrote that program read the FARs and didn't under stand it's not the end of the world if you go a few knots above 250 below 10. As someone else alluded too, I completely disagree with the company position. Standard maneuver tolerance is +/- 10 knots. If we are supposed to be flying 250 and the airplane is flying a perfect 240, fine. But when it slows below 240, as if often does, you are not in compliance with your assigned speed. I try to remember to set the FMS to fly 250/10000. If I forget, as soon as I go below 10,000 I speed intervene 250.

some of the old head 767 guys who are gone, like BW and CT thought it was sacrilege to reprogram the box for 250. They were wrong and I don't know anyone who still teaches to leave it at 240.
The 717 defaults to 245 below 10000 in a descent (but not a climb where it does 250, go figure). I don’t think I’ve ever not seen someone intervene to speed select 250 when descending.
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Old 01-15-2024, 05:45 PM
  #2283  
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If there was going to be a 787 order, I'd say the current Boeing woes would've been more than enough reason to postpone declaring one. I could see us eventually placing one just like with our other recent fleet additions, pending MRO rights for the engines... but only if Boeing gets their act together.


And I know the 777 was the best airplane since the 757, but it also wasn't nearly as efficient. Management has stated before that the 777 has has half the CASM of an A380 but the A350 has half the CASM of a 777. I don't know how accurate that is, but that was the management line. Regardless, even the mighty 777LR had trouble with JNB-ATL and going full.

And there is one thing that no one can realistically argue. I might not always agree with our management on their decisions... but they know how to make money and lots of it. Sure there are missteps, including ones we all seem to see clear as day, but overall I am confident we are the best run and I wouldn't trade that for my seniority at any other airline.
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Old 01-15-2024, 05:50 PM
  #2284  
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Originally Posted by m3113n1a1
My guess is it's a buffer for flap speed. So you don't forget to slow down before you go to flaps 1 or 5. Still dumb though.
With the 737, it allows you to deploy flaps without opening the speed window, you can let the FMS manage all your speeds from takeoff all the way to touchdown. On climb out you don't need that because it won't go above 230 until the flaps are fully retracted, but if you had 250 below 10 you wouldn't be able to extend flaps without opening the window.
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Old 01-16-2024, 03:16 AM
  #2285  
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Originally Posted by Baradium
If there was going to be a 787 order, I'd say the current Boeing woes would've been more than enough reason to postpone declaring one. I could see us eventually placing one just like with our other recent fleet additions, pending MRO rights for the engines... but only if Boeing gets their act together.


And I know the 777 was the best airplane since the 757, but it also wasn't nearly as efficient. Management has stated before that the 777 has has half the CASM of an A380 but the A350 has half the CASM of a 777. I don't know how accurate that is, but that was the management line. Regardless, even the mighty 777LR had trouble with JNB-ATL and going full.

And there is one thing that no one can realistically argue. I might not always agree with our management on their decisions... but they know how to make money and lots of it. Sure there are missteps, including ones we all seem to see clear as day, but overall I am confident we are the best run and I wouldn't trade that for my seniority at any other airline.
The average person doesn't seem to judge one Boeing over the issues with another in my experience. I've never seen someone scared to fly on an ER or 717 because it's "also a Boeing". But I have had random passengers on the terminal ask "hey, my ticket says we're on a 737 today. This isn't one of those MAXes right?". I think it would benefit Boeing to get more planes out there of the types that arent a PR nightmare AND their woes now could be a great time for us to negotiate some sweetheart deal that we can announce later once the waters settle.
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Old 01-16-2024, 06:02 AM
  #2286  
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Originally Posted by Baradium
If there was going to be a 787 order, I'd say the current Boeing woes would've been more than enough reason to postpone declaring one. I could see us eventually placing one just like with our other recent fleet additions, pending MRO rights for the engines... but only if Boeing gets their act together.
A 787 order from us has nothing to do with Boeing getting its act together. It has everything to do with price. If mgt was concerned with Boeing they never would have ordered the MAX to begin with. I bet you we got a sweetheart deal for them. The 787 line is running pretty well at the moment, but there is high demand and Ed has said publicly that it's too expensive right now. I believe the company will take a hard look at the 787 when it comes time to replace the A330 ceos; the 787-10 would probably be an excellent choice.
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Old 01-17-2024, 04:46 PM
  #2287  
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Originally Posted by Xray678
IMHO, it's because the software engineer who wrote that program read the FARs and didn't under stand it's not the end of the world if you go a few knots above 250 below 10. As someone else alluded too, I completely disagree with the company position. Standard maneuver tolerance is +/- 10 knots. If we are supposed to be flying 250 and the airplane is flying a perfect 240, fine. But when it slows below 240, as if often does, you are not in compliance with your assigned speed. I try to remember to set the FMS to fly 250/10000. If I forget, as soon as I go below 10,000 I speed intervene 250.

some of the old head 767 guys who are gone, like BW and CT thought it was sacrilege to reprogram the box for 250. They were wrong and I don't know anyone who still teaches to leave it at 240.
This isn’t a software engineer overthinking it…it’s Delta stupid. Other 737 operators default to 250 below 10. It’s just some OCD Delta thing, just like the previous issue with using the rubber bands for hot mic and folding the checklist into quarters.

It’s something that makes us better than all the other 737 operators, or not.

Last edited by cornbeef007; 01-17-2024 at 04:57 PM.
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Old 01-18-2024, 03:20 AM
  #2288  
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Originally Posted by Baradium
With the 737, it allows you to deploy flaps without opening the speed window, you can let the FMS manage all your speeds from takeoff all the way to touchdown. On climb out you don't need that because it won't go above 230 until the flaps are fully retracted, but if you had 250 below 10 you wouldn't be able to extend flaps without opening the window.
You end up opening the window anyway as the FMS commands silly speeds when the flaps come out. I always change 240 to 250 during preflight
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Old 01-18-2024, 07:45 AM
  #2289  
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Originally Posted by tennisguru
The 717 defaults to 245 below 10000 in a descent (but not a climb where it does 250, go figure). I don’t think I’ve ever not seen someone intervene to speed select 250 when descending.
It has been a few years since I flew the 717, but you could also program the FMS in the descent for 255, and the box will assign five knots less, leaving you with a magenta ball at...250 KIAS.
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Old 01-18-2024, 07:47 AM
  #2290  
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Originally Posted by cornbeef007
This isn’t a software engineer overthinking it…it’s Delta stupid. Other 737 operators default to 250 below 10. It’s just some OCD Delta thing, just like the previous issue with using the rubber bands for hot mic and folding the checklist into quarters.

It’s something that makes us better than all the other 737 operators, or not.
It defaulted to 240 below 10 at AS as well. We personally just let it do its thing most the time unless specifically given 250 then we’d speed intervene or LVL CHG at 250 depending on the situation.
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