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Are BA Flights Ex-PHX Weight Restricted?  
User currently offlineCityofAthens From , joined Dec 1969, posts, RR:
Posted (6 years 1 week 2 days 10 hours ago) and read 3056 times:

Just operated a PHX-LHR flight on the good 'ole -400 and wondered, given the very high temperatures in the PHX area over the last couple of days, whether this flight is ever weight restricted?

Can I just say what a wonderful place Arizona is! Unfortunately I was on the 4-day trip (we have a 5-day PHX) but I had a fabulous time tubing down the Salt River and driving along the Apache Trail....I'm surprised we fly here but loads on both flights were pretty good - full in First, and Club was 75% full outbound, approx 60% inbound to London (where a high-J aircraft was operated much to our surprise!) Pretty full down the back too....

I'm also surprised we don't have any serious competition on the route ... I'm very surprised not to see Lufthansa here!

18 replies: All unread, jump to last
 
User currently offlineAsuflyer05 From United States of America, joined Feb 2004, 2372 posts, RR: 3
Reply 1, posted (6 years 1 week 2 days 10 hours ago) and read 3043 times:

That sucker eats up a lot of runway in the summer. It's cool to stand in the parking lot of the America West Flight Center and watch it take off.

User currently offlineEWRCabincrew From United States of America, joined May 2006, 5523 posts, RR: 56
Reply 2, posted (6 years 1 week 2 days 10 hours ago) and read 2994 times:



Quoting CityofAthens (Thread starter):
given the very high temperatures in the PHX area over the last couple of days

Very high temperatures? What, 106? Big grin

Although seriously, there may be some restrictions, unsure as to what they might be, if any at all.



You can't cure stupid
User currently offlineRoseFlyer From United States of America, joined Feb 2004, 9638 posts, RR: 52
Reply 3, posted (6 years 1 week 2 days 9 hours ago) and read 2936 times:

I think the 744 would probably be one of the least likely to be weight restricted airplanes that could operate the route. The 744 has quite a bit of extra available range, so unless BA takes quite a bit of cargo, they probably have room before MTOW.


If you have never designed an airplane part before, let the real designers do the work!
User currently offlineKhobar From United States of America, joined Mar 2006, 2379 posts, RR: 3
Reply 4, posted (6 years 1 week 2 days 8 hours ago) and read 2839 times:



Quoting EWRCabincrew (Reply 2):
Very high temperatures? What, 106? Big grin

But it's a dry heat.  rotf 


User currently offlineEA CO AS From United States of America, joined Nov 2001, 13596 posts, RR: 61
Reply 5, posted (6 years 1 week 2 days 8 hours ago) and read 2825 times:
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Quoting CityofAthens (Thread starter):
very high temperatures in the PHX area over the last couple of days

That's relative. 106F is on the cool side for summer, actually. Very high for PHX is generally 116F or more.



"In this present crisis, government is not the solution to our problem - government IS the problem." - Ronald Reagan
User currently offlineJmc1975 From Israel, joined Sep 2000, 3276 posts, RR: 15
Reply 6, posted (6 years 1 week 2 days 8 hours ago) and read 2820 times:



Quoting CityofAthens (Thread starter):
I'm very surprised not to see Lufthansa here!

LH served PHX from 2001 to 2004 with an A343. There has also been alot of unofficial speculation that they may return to PHX.



.......
User currently offlineHZ747300 From Hong Kong, joined Mar 2004, 1675 posts, RR: 1
Reply 7, posted (6 years 1 week 2 days 5 hours ago) and read 2688 times:
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I know it's a city which typically still sits over 100F at midnight, but isn't the BA departure to Heathrow after sundown? It's a shame that it is all the valley can support nonstop to Europe, but I suppose people are used to connecting through somewhere else anyways.

I will still never forget the day it was too hot to fly in Phoenix, not that the planes could not fly, but it was not specified in the manual and I think most of them had to divert to Tucson. I still remember the asphalt sinking under my shoes then.

Quoting CityofAthens (Thread starter):
Can I just say what a wonderful place Arizona is! Unfortunately I was on the 4-day trip (we have a 5-day PHX) but I had a fabulous time tubing down the Salt River and driving along the Apache Trail....

Glad you liked it!



Keep on truckin'...
User currently offlineTheginge From United Kingdom, joined Oct 2006, 1132 posts, RR: 0
Reply 8, posted (6 years 1 week 1 day 22 hours ago) and read 2450 times:

I don't think there would be a problem as the PHX - LHR route is only about 9-10 hours so wouldn;t be near max take off weight.

User currently offlineHotelmode From United Kingdom, joined Jan 2007, 460 posts, RR: 1
Reply 9, posted (6 years 1 week 1 day 22 hours ago) and read 2403 times:



Quoting Theginge (Reply 8):
I don't think there would be a problem as the PHX - LHR route is only about 9-10 hours so wouldn;t be near max take off weight.

Max take off weight isnt important here the temperature and slight altitude cause a lower restricted TOW.

In answer to the OP. Its often gets pretty close at this time of year but rarely actually limiting. Sometimes a tailwind or loads of freight may take it slightly over.


User currently offlineOldAeroGuy From United States of America, joined Dec 2004, 3523 posts, RR: 66
Reply 10, posted (6 years 1 week 1 day 22 hours ago) and read 2355 times:

Quoting CityofAthens (Thread starter):
Just operated a PHX-LHR flight on the good 'ole -400 and wondered, given the very high temperatures in the PHX area over the last couple of days, whether this flight is ever weight restricted?

At 106 deg F, a 744 MTOW restriction is probably a certainty.

However, since the great circle distance from PHX to LHR is only 4580 nm and the flight is east bound, there may be little if any payload restriction since the 744 with RR engines has greater than 5600 nm range at MZFW.

[Edited 2008-09-09 09:12:07]


Airplane design is easy, the difficulty is getting them to fly - Barnes Wallis
User currently offlineCityofAthens From , joined Dec 1969, posts, RR:
Reply 11, posted (6 years 1 week 1 day 21 hours ago) and read 2243 times:

Many thanks for your replies.

Quoting EA CO AS (Reply 5):
That's relative. 106F is on the cool side for summer, actually

I see; well perhaps I was subconsciously comparing the weather to that in the UK.  Wink

Quoting Jmc1975 (Reply 6):
LH served PHX from 2001 to 2004 with an A343.

I'm surprised they left ... LH seem to be very active in the US, and in some cases still fly to points no longer served by BA.

Quoting HZ747300 (Reply 7):
Glad you liked it!

Oh I loved it! It was hot and sunny - just what the doctor ordered! Big grin


User currently offlineYellowtail From United States of America, joined Jun 2005, 6171 posts, RR: 2
Reply 12, posted (6 years 1 week 1 day 20 hours ago) and read 2200 times:



Quoting Khobar (Reply 4):
But it's a dry heat.   

I still can't stop laughing!

You should have tried BZE yesterday, 99 and it certainly wasn't a dry heat!



When in doubt, hold on to your altitude. No-one has ever collided with the sky.
User currently offlineSunriseValley From Canada, joined Jul 2004, 4984 posts, RR: 5
Reply 13, posted (6 years 1 week 1 day 14 hours ago) and read 2045 times:

I took a look at the load/range and runway length charts for the -524G R.R. version of the -400ER.
Firstly there is no runway length chart for a 38C (100F) temperature which is something like Standard day + 44F . However for the sector distance the TOW at MZFW looks to be just over 800K lb. Adding the difference between Standard day and Standard day + 27F to the Standard Day +27 table suggests a takeoff distance of not more than 10,000ft. PHX has 11500ft so it would appear that there should be no problem. The probability of being at MZFW is pretty unlikely I would think.


User currently offlineBristolFlyer From United Kingdom, joined May 2004, 2296 posts, RR: 0
Reply 14, posted (6 years 1 week 1 day 14 hours ago) and read 2036 times:



Quoting CityofAthens (Thread starter):
tubing down the Salt River

Was it full of drunk students, as per usual?

Quoting CityofAthens (Thread starter):
loads on both flights were pretty good

Glad to hear, I rely on the flight to get me to the UK and to get friends and family out here.

Quoting EA CO AS (Reply 5):
106F is on the cool side for summer, actually. Very high for PHX is generally 116F or more

Based upon this summer's temps, 106 is up there. We had a run of 110+ in June but had a good monsoon season that has kept temps down  Smile but humidity up  Sad Only 100 today, and below that for the next few days.



Fortune favours the brave
User currently offlineSwiftski From Australia, joined Dec 2006, 2701 posts, RR: 2
Reply 15, posted (6 years 1 week 1 day 14 hours ago) and read 2002 times:



Quoting Yellowtail (Reply 12):
You should have tried BZE yesterday, 99 and it certainly wasn't a dry heat!

Same numbers over here, nice and sweaty  Smile


User currently offlineCityofAthens From , joined Dec 1969, posts, RR:
Reply 16, posted (6 years 1 week 1 day 13 hours ago) and read 1968 times:



Quoting BristolFlyer (Reply 14):
Was it full of drunk students, as per usual?

Yes - loud, gung-ho, mankini-clad and rather entertaining .... although I'm starting to get a little tired of the 'dude, are you from Australia?' remarks  Smile


User currently offlineBristolFlyer From United Kingdom, joined May 2004, 2296 posts, RR: 0
Reply 17, posted (6 years 1 week 15 hours ago) and read 1719 times:



Quoting CityofAthens (Reply 16):
'dude, are you from Australia?' remarks

You and me both  Sad

Then you tell them you're from England, to which trhe reply is...

'so which part of London are you from?



Fortune favours the brave
User currently offlineTymnBalewne From Bermuda, joined Mar 2005, 949 posts, RR: 1
Reply 18, posted (6 years 1 week 13 hours ago) and read 1664 times:

On Day 1 of BA's operation out of PHX there was a strong concern that the fully booked DC-10 would either have to leave bags behind or make a fuel stop enroute because of the Arizona heat. Luckily that PR nightmare didn't come to pass.

C.



Dewmanair...begins with Dew
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