Search found 145 matches

by LU9092
Thu Aug 08, 2019 2:18 pm
Forum: Civil Aviation
Topic: East coast storms: 8/7/2019, diversions and more
Replies: 51
Views: 6373

Re: East coast storms: 8/7/2019, diversions and more

My wife is stuck on the ground in RIC waiting to depart for IAD. She's supposed to connect to UA52 to ZRH. In a situation like this where many if not most connecting pax are delayed getting in, will UA generally hold departing flights to allow them to make the connection? Doubtful. They'll reaccomo...

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by LU9092
Wed Aug 07, 2019 8:33 pm
Forum: Civil Aviation
Topic: East coast storms: 8/7/2019, diversions and more
Replies: 51
Views: 6373

Re: East coast storms: 8/7/2019, diversions and more

My wife is stuck on the ground in RIC waiting to depart for IAD. She's supposed to connect to UA52 to ZRH. In a situation like this where many if not most connecting pax are delayed getting in, will UA generally hold departing flights to allow them to make the connection?

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by LU9092
Fri Jul 26, 2019 1:37 pm
Forum: Civil Aviation
Topic: NYC sues American Airlines over employee sick leave
Replies: 157
Views: 14116

Re: NYC sues American Airlines over employee sick leave

I'm sure their are victims here like anything else. But I have a lot of friends who are airline pilots. I have never met a single working group in my life that abuse sick time more than pilots. Two of my friends who are airline pilots have told me the same thing. They are still young and aren't yet...

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by LU9092
Thu Jun 13, 2019 12:54 am
Forum: Civil Aviation
Topic: Fighter jets over Washington - impact on DCA?
Replies: 4
Views: 1637

Re: Fighter jets over Washington - impact on DCA?

There is a line of departures and a bunch of circles on FR24, but they likely will get things unclogged in short order. Mini air show was not long even if it was loud. In fact looking at the webcam now (https://www.youtube.com/watch?v=LGUFNagY9OI) the departures have cleared out and now arrivals ar...

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by LU9092
Thu May 30, 2019 1:44 pm
Forum: Civil Aviation
Topic: ET901 ADD to LOS making a touch and go due to bad weather
Replies: 47
Views: 9860

Re: An Ethiopian Airlines flight did a go around, and this is what happened

I've had two go-arounds. One was an F9 A320 at LGA attempting to land on runway 4 during a snow storm. Never saw the ground from my seat on that one, I assume we reach minimums and runway not in sight. Went around and landed on the second try. Pilots never said a thing. The other one was funny. I wa...

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by LU9092
Wed Mar 27, 2019 2:32 am
Forum: Civil Aviation
Topic: How well would a swept forward wing airliner work theoretically?
Replies: 19
Views: 3408

Re: How well would a swept forward wing airliner work theoretically?

Structurally with the right materials forward swept wings are no worse in a stall while being lighter. The problem is yaw control not pitch control. With modern systems it could probably done but I am unsure if the yaw counteraction requires enough drag to be induced by control surfaces to offset t...

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by LU9092
Wed Mar 27, 2019 2:12 am
Forum: Civil Aviation
Topic: How well would a swept forward wing airliner work theoretically?
Replies: 19
Views: 3408

Re: How well would a swept forward wing airliner work theoretically?

IIRC, aircraft with swept forward wings are inherently unstable. That's fine, maybe even great, for a FBW fighter. It would be disastrous for an airliner. I imagine a swept forward wing is also bad in a stall. I may be wrong, but intuitively it seems like a stall, no matter which part of the wing st...

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by LU9092
Tue Mar 12, 2019 5:55 pm
Forum: Civil Aviation
Topic: Ethiopian Airlines 737MAX crashes enroute to Nairobi Q1 2019
Replies: 5479
Views: 719971

Re: Ethiopian Airlines 737MAX crashes enroute to Nairobi

People keep going on and on about the MCAS, but if the FR24 data is reasonably accurate, this aircraft had barely reached 1000' AGL in the first 3 minutes of the flight. If the plane wasn't climbing, would the pilots retract the flaps? I guess maybe if they couldn't get the nose up and they still h...

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by LU9092
Tue Mar 12, 2019 5:45 pm
Forum: Civil Aviation
Topic: Ethiopian Airlines 737MAX crashes enroute to Nairobi Q1 2019
Replies: 5479
Views: 719971

Re: Ethiopian Airlines 737MAX crashes enroute to Nairobi

People keep going on and on about the MCAS, but if the FR24 data is reasonably accurate, this aircraft had barely reached 1000' AGL in the first 3 minutes of the flight. If the plane wasn't climbing, would the pilots retract the flaps? I guess maybe if they couldn't get the nose up and they still h...

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by LU9092
Tue Mar 12, 2019 5:08 pm
Forum: Civil Aviation
Topic: Ethiopian Airlines 737MAX crashes enroute to Nairobi Q1 2019
Replies: 5479
Views: 719971

Re: Ethiopian Airlines 737MAX crashes enroute to Nairobi

People keep going on and on about the MCAS, but if the FR24 data is reasonably accurate, this aircraft had barely reached 1000' AGL in the first 3 minutes of the flight. If the plane wasn't climbing, would the pilots retract the flaps? I guess maybe if they couldn't get the nose up and they still ha...

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by LU9092
Thu Mar 07, 2019 1:22 am
Forum: Civil Aviation
Topic: Atlas Air 3591 Down in Trinity Bay, Texas
Replies: 1727
Views: 388354

Re: Atlas Air 3591 Down in Trinity Bay, Texas

[ Any number of things, but studying the raw video (not the one edited by the media), it just appears that from when the aircraft entered the frame to just before impact it looks to be at almost half the descent angle. Does anyone else see the same thing or am I out of line here? Video can be decei...

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by LU9092
Thu Mar 07, 2019 1:14 am
Forum: Civil Aviation
Topic: Atlas Air 3591 Down in Trinity Bay, Texas
Replies: 1727
Views: 388354

Re: Atlas Air 3591 Down in Trinity Bay, Texas

I know speculating is probably the least a non-expert in the field like me should be doing. But considering the fact that the third Body was taken longer to find, do we know if something in the lines of the FedEx 705 incident that happened years ago could be somewhat what happened here? It's been d...

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by LU9092
Wed Feb 20, 2019 6:20 pm
Forum: Civil Aviation
Topic: First B777-9X of LH in PAE now
Replies: 95
Views: 22824

Re: First B777-9X of LH in PAE now

speedbird52 wrote:
juliuswong wrote:
speedbird52 wrote:
Something about the 777-9 looks so much more graceful than the -300 and -200 series. I can't put my finger on what it is.

I think the curved winglet made it looks "fierce and dominating"

Is the fuselage a little wider? It looks that way


Not on the outside.

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by LU9092
Sun Jan 06, 2019 12:41 am
Forum: Civil Aviation
Topic: Boeing 777X Testing Thread - 2019
Replies: 901
Views: 211342

Re: Boeing 777X Testing Thread - 2019

TropicalSky wrote:
That engine looks like it only has about 8" clearance above the ground


Look again and keep in mind how huge this engine is. That's more like 36 - 48". Anyway, as previously pointed out, the plane isn't sitting on its gear. It's much lower than it will be when it is.

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by LU9092
Thu Dec 13, 2018 1:16 am
Forum: Civil Aviation
Topic: Denver International Airport Expansion Plans
Replies: 144
Views: 26735

Re: Denver International Airport Expansion Plans

While RIC already has nonstop service to DEN on UA, RIC is located in the largest market in the contiguous U.S. that doesn't currently have nonstop service to DEN on any LCC's. F9 or WN could add RIC-DEN nonstop service in order to provide better competition on the DEN-RIC route, and both F9 and WN...

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by LU9092
Thu Oct 18, 2018 4:28 pm
Forum: Technical/Operations
Topic: Questions on dual parallel approaches
Replies: 13
Views: 1893

Re: Questions on dual parallel approaches

Here take a look at this and see how your head feels after starting at Para. 5-9-5. :) https://www.faa.gov/documentLibrary/media/Order/JO_7110.65X_Air_Traffic_Control.pdf Wow, I'll let you know when it stops spinning. I did see this, which partially answers my question: NOTE− Airport field elevatio...

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by LU9092
Thu Oct 18, 2018 1:31 pm
Forum: Technical/Operations
Topic: Questions on dual parallel approaches
Replies: 13
Views: 1893

Re: Questions on dual parallel approaches

The correct term is Independent Parallel Approach With all respect, the correct term in within the U.S. is Simultaneous Dependent Approaches (FAA JO 7110.65X, Para 5-9-6) where the controller is required to maintain a 2NM stagger between arrivals. This is based upon runway center-lines are at least...

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by LU9092
Wed Oct 17, 2018 11:22 pm
Forum: Civil Aviation
Topic: Boeing 797 Discussion Thread - 2018
Replies: 3491
Views: 431450

Re: Boeing 797 Discussion Thread - 2018

My feeling is GE sees a market big enough for one engine supplier, and Boeing sees one big enough for two. They may not be all that far off each other's estimate in terms of numbers, but GE is pushing for exclusivity whereas Boeing wants a second option.

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by LU9092
Tue Aug 28, 2018 11:44 pm
Forum: Civil Aviation
Topic: B747-SP for sale, just $9.5m
Replies: 64
Views: 13107

Re: B747-SP for sale, just $9.5m

I'll chip in $20, but only if we redo that interior. It looks like 1991 in there.

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by LU9092
Fri Aug 17, 2018 8:27 pm
Forum: Civil Aviation
Topic: Is it time to close LGA?
Replies: 90
Views: 11996

Re: Is it time to close LGA?

Yes. The only reason people use LGA is because its closer to the city. Once they build high speed rail from Manhattan to JFK/EWR, LGA will be useless. But realistically, they should bulldoze all three airports and build one massive new airport to replace all of them. Where would this new airport go...

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by LU9092
Fri Jun 15, 2018 4:36 pm
Forum: Technical/Operations
Topic: Is fewer fan blades better?
Replies: 18
Views: 2704

Re: Is fewer fan blades better?

Suppose we're able to make fan blades of unobtanium and mass or strength aren't limiting. Would there be a point where fewer, larger blades is no longer more efficient? Would two very large blades be the ultimate in efficiency? Or even a sort of single-blade corkscrew? I imagine the latter would hav...

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by LU9092
Thu Jun 07, 2018 1:47 pm
Forum: Civil Aviation
Topic: Emirates looking to Windowless planes [BBC]
Replies: 151
Views: 16002

Re: Emirates looking to Windowless planes [BBC]

The Washington DC metro opened with windowless trains. The thinking was that the train was underground so there's nothing to see anyway, so why bother. But passengers found it deeply unsettling and the idea was quickly scrapped.

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by LU9092
Mon Jun 04, 2018 7:39 pm
Forum: Technical/Operations
Topic: Low speed RTO
Replies: 11
Views: 2345

Re: Low speed RTO

It could be anything, but my speculation would be an engine bleed or engine FADEC issue of some sort since it seems to happen when power is applied. I seriously doubt they would have two RTO's consecutively for the takeoff configuration warning unless something was wrong with that warning system. T...

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by LU9092
Sat Jun 02, 2018 12:42 am
Forum: Technical/Operations
Topic: Low speed RTO
Replies: 11
Views: 2345

Re: Low speed RTO

Could be a switch in a component that gives the TAKE-OFF CONFIG warning. For example, while the flaps might indicate set for take-off on the gages; the sensor at the flap might not be met and send the message that configuration isn’t met. In this case, crew could have, with maintenance input, reset...

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by LU9092
Sat Jun 02, 2018 12:04 am
Forum: Technical/Operations
Topic: Low speed RTO
Replies: 11
Views: 2345

Re: Low speed RTO

32andBelow wrote:
Could be a configuration warning


That wouldn't explain the second reject though. If something was broken enough to prevent the plane from being configured for takeoff, I kinda doubt there would even have been a first attempt.

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by LU9092
Fri Jun 01, 2018 11:49 pm
Forum: Technical/Operations
Topic: Low speed RTO
Replies: 11
Views: 2345

Low speed RTO

Hi all. My wife is on UA4979 at EWR. They began their takeoff roll and rejected at low speed. Flight crew announced "a warning light came on" and they went to the penalty box for 15 mins or so. Then another announcement that "maintenance control is gonna let us go." They attempte...

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by LU9092
Sat Apr 21, 2018 2:14 pm
Forum: Civil Aviation
Topic: McDonnell 220
Replies: 84
Views: 12404

Re: McDonnell 220

Could be totally wrong....but I recall this being the Corporate Jet for some long gone Airline & it's Exec's pre deregulation. Eastern, Pan Am, or Continental...maybe even Braniff (Looks like a Harding Lawrence kinda "thing")....again, I could be very wrong. One of the photo captions ...

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by LU9092
Tue Apr 17, 2018 5:52 pm
Forum: Civil Aviation
Topic: WN 1380 LGA-DAL emergency landing at PHL, 1 fatality
Replies: 720
Views: 122328

Re: WN 1380 LGA-DAL emergency landing at PHL

SuperGee wrote:
What kind of engines does WN use? PW or GE? I'm assuming it wasn't a RR.


It's a 737NG. CFM is the only engine available.

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by LU9092
Sun Apr 08, 2018 3:28 pm
Forum: Civil Aviation
Topic: American Airlines orders 47 additional 787's (22 788's and 25 789's), cancels A350 order
Replies: 565
Views: 76885

Re: American Airlines orders 47 additional 787's (22 788's and 25 789's), cancels A350 order

Great win again for the 787 Program and for AA. The A330 Neo is in real trouble unless Airbus can get its production costs down in a big way. Again, the entire rationale for the A330 Neo was a cheaper alternative to the 787 with economics that were close enough to make it competitive. The fuel burn...

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by LU9092
Tue Mar 27, 2018 1:47 am
Forum: Civil Aviation
Topic: What new runways are in work over 2,000m?
Replies: 51
Views: 6626

Re: What new runways are in work over 2,000m?

DEN has six runways. Are demand and projected growth so great as to call for a seventh? The master plan spells out passenger number milestones that trigger construction of additional airfield infrastructure. Traffic at DEN is definitely showing healthy growth. The entire Front Range corridor in Col...

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by LU9092
Mon Mar 26, 2018 2:32 pm
Forum: Civil Aviation
Topic: What new runways are in work over 2,000m?
Replies: 51
Views: 6626

Re: What new runways are in work over 2,000m?

I read somewhere last fall that DEN has a 7th runway in the works, in conjunction with additional gates and terminal renovation. Not sure whether funding has been established yet.

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by LU9092
Sun Feb 11, 2018 7:14 pm
Forum: Civil Aviation
Topic: Southwest Schedule Extension 02/15/18
Replies: 226
Views: 21111

Re: Southwest Schedule Extension 02/15/18

For utterly selfish reasons, I would love to see RIC-DEN to give UA a little competition and knock down the fares a bit.

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by LU9092
Thu Feb 08, 2018 9:14 pm
Forum: Civil Aviation
Topic: Was Southwest's Move Into Denver Predatory?
Replies: 63
Views: 6135

Re: Was Southwest's Move Into Denver Predatory?

WN's operation at DEN is now bigger than UA's mainline operation at DEN. WN carried 17,467,000 passengers per day on flights to and from DEN between November 2016 and October 2017, whereas UA carried 17,186,000 passengers per day on mainline flights to and from DEN in that time period. I'm sure tha...

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by LU9092
Mon Jan 29, 2018 3:27 pm
Forum: Technical/Operations
Topic: 777 empennage question. What is it, please?
Replies: 17
Views: 2350

Re: 777 empennage question. What is it, please?

Are there situations where the 777 flies with APU running? If so, is there any range penalty for extra drag from that intake, or is it negligible? Yes, if one of the electrical generators and/or hydraulic pumps is INOP I believe they need to fly with the APU running. I think the fuel it uses would ...

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by LU9092
Fri Jan 26, 2018 8:24 pm
Forum: Technical/Operations
Topic: 777 empennage question. What is it, please?
Replies: 17
Views: 2350

Re: 777 empennage question. What is it, please?

PhilBy wrote:
LU9092 wrote:
Are there situations where the 777 flies with APU running? If so, is there any range penalty for extra drag from that intake, or is it negligible?


I expect that the drag on the intake is slightly reduced if the APU is running!



I don't think it's open when the APU isn't running.

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by LU9092
Fri Jan 26, 2018 6:15 pm
Forum: Technical/Operations
Topic: 777 empennage question. What is it, please?
Replies: 17
Views: 2350

Re: 777 empennage question. What is it, please?

Are there situations where the 777 flies with APU running? If so, is there any range penalty for extra drag from that intake, or is it negligible?

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by LU9092
Thu Nov 30, 2017 11:13 pm
Forum: Civil Aviation
Topic: New EK First Suite TV advert with Jeremy Clarkson
Replies: 38
Views: 14701

Re: New EK First Suite TV advert with Jeremy Clarkson

Thank you and well said. There used to be a time when people would just agree to disagree. Now everyones just offended about everything. No longer is anyone allowed to have an opinion unless it meets theirs. The media has fueled this fire. No doubt the irony of your response here is utterly lost on...

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by LU9092
Tue Nov 14, 2017 4:12 pm
Forum: Civil Aviation
Topic: New airline to RIC??
Replies: 32
Views: 3403

Re: New airline to RIC??

Shoot. Would have been nice to have F9 add DEN to give United some competition. Flying my family of four to DEN and back the week after Christmas set me back $3100, and the flights were only 50% booked when I made the reservation. There are definitely cheaper options, but with an infant along for th...

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by LU9092
Tue Jul 25, 2017 6:40 pm
Forum: Technical/Operations
Topic: Extremely rare runway configurations
Replies: 99
Views: 13165

Re: Extremely rare runway configurations

EWR's 11/29 runway was part of the original runway of the airport going back almost 90 years ago but for many years has been usually for smaller regional aircraft, rare for larger aircraft. Actually 11/29 is used for heavies and everythng landing on days when the winds are strong to the east. Never...

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by LU9092
Wed Jul 19, 2017 2:22 pm
Forum: Civil Aviation
Topic: Boeing 797/MOM Discussion Thread
Replies: 585
Views: 83425

Re: 797/MOM Discussion Thread

https://goo.gl/images/UrdqLx 4000+ nm ✔️ Space for 220-260 seats (probs economy only)✔️ Possibility of duct taping CFM-56 and blended winglets ✔️ Readily available ✔️ (Might want to check with the museum curators) Sexiest most awesome plane around ✔️ This is the future of MoM. I guess sh*tposting i...

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by LU9092
Tue Apr 04, 2017 10:48 pm
Forum: Technical/Operations
Topic: 747-8 or 777-200
Replies: 7
Views: 1595

Re: 747-8 or 777-200

The fear of flying is an irrational one, and so I doubt anything said here will help you feel less nervous. You might consider some type of therapy to help you overcome this fear so that you can enjoy traveling more. As I'm sure you are aware consciously, flying commercially is by far the safest mod...

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by LU9092
Thu Mar 02, 2017 7:25 pm
Forum: Civil Aviation
Topic: DL to Withdraw M88 from LGA Due to Noise
Replies: 54
Views: 10201

Re: DL to Withdraw M88 from LGA Due to Noise

Mets games just won't be the same.

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by LU9092
Tue Nov 01, 2016 7:18 pm
Forum: Civil Aviation
Topic: LGA expansion
Replies: 25
Views: 6426

Re: LGA expansion

There's a lot to like with that plan. My problem with it is that the best option, in my opinion, is to focus on one airport. If LGA could be expanded to replace JFK, I would be all for it. I don't think that it can. I'd rather see JFK get a few more runways, improved rail access, and LGA closed. NI...

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by LU9092
Tue Sep 06, 2016 10:50 pm
Forum: Technical/Operations
Topic: CRJ900 Performance?
Replies: 3
Views: 1491

Re: CRJ900 Performance?

What do you mean by "ponderous?" To me, it would mean the plane doesn't respond quickly to control inputs, but since a person riding in back can't see or feel the actual control inputs, that can't be what you mean. If you mean something else, I don't see how you could make a fair compariso...

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by LU9092
Wed Aug 31, 2016 5:55 pm
Forum: Civil Aviation
Topic: How hard is it to land at LGA?
Replies: 34
Views: 9291

Re: How hard is it to land at LGA?

The building I used to work in was on the approves have path into LGA. It's in the Williamsburg/bushwick area of Brooklyn. The building must be directly underneath the approach, since sitting on the 9th floor, you could see one plane after the other headed towards LGA. But I used to notice two diff...

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by LU9092
Wed Jul 13, 2016 1:25 pm
Forum: Technical/Operations
Topic: De-acceleration options at touch down
Replies: 25
Views: 3634

Re: De-acceleration options at touch down

I'm not a big fan of using hard application of brakes unless it's necessary because I was raised by an aircraft mechanic. Suppose I drive my truck the same way. I downshift to slow most of the time and am easy on the brakes because I'm the one that has to change them. My Ferrari mechanic used to la...

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by LU9092
Wed Jun 29, 2016 9:57 pm
Forum: Technical/Operations
Topic: 767 Short field ops
Replies: 25
Views: 5969

Re: 767 Short field ops

Way back in the mid-80's I flew DEN - SAN on a UA 767 with around 15 PAX aboard. I don't recall which model 76 this was, as I was 7 years old, but I do remember being pushed back in my seat pretty hard and being airborne in no time. I got to visit the flight deck - the good old days! - and the capta...

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by LU9092
Thu Jun 23, 2016 11:43 am
Forum: Technical/Operations
Topic: Can the A340 dump fuel with flaps extended?
Replies: 3
Views: 1377

Re: Can the A340 dump fuel with flaps extended?

Starlionblue wrote:
by Starlionblue » 23 Jun 2016 00:17
Yes it is can. From the FCOM:

It is possible to jettison in any convenient configuration and at any speed.


Thanks!

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by LU9092
Wed Jun 22, 2016 4:29 pm
Forum: Technical/Operations
Topic: Can the A340 dump fuel with flaps extended?
Replies: 3
Views: 1377

Can the A340 dump fuel with flaps extended?

Was wondering about this because of the location of the outlet.

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by LU9092
Thu May 05, 2016 10:16 pm
Forum: Technical/Operations
Topic: 741/2/3 W/CWS?
Replies: 54
Views: 7882

RE: 741/2/3 W/CWS?

For a second I thought tdscanuck was back!  

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