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Jet Air A330 Approached LHR At An Unusual Speed  
User currently offlineClimb1 From United Kingdom, joined Apr 2005, 128 posts, RR: 0
Posted (6 years 2 weeks 5 days 22 hours ago) and read 18481 times:

Hi
About 20 minutes ago I noticed a Jet Airways A330 rocket past my house faster than usual. I have an Airnav Radarbox which I instantly loaded up to get more info and this A330 was doing 300knots at 4100ft!!! As I tracked it further it swiftly started losing speed until its descent on final.

Now I live about 30miles East of LHR so when the 27's are in use I always get to see a/c on approach. But Ive never known one to be flying that fast at that altitude. It was so low and fast I thought maybe there was a flypast taking place in central london or something.

Does anyone have any info or thoughts as to why it would make such a fast approach at speed? In flight problem perhaps? Or does this happen more often than I thought?

The a/c was VT-JWF operating JAI124. VIAR-EGLL.

Many thanks


In my eyes the Boeing 747 will ALWAYS be the queen of the skies!
12 replies: All unread, jump to last
 
User currently offlineMrBrightSide From United States of America, joined Jan 2008, 202 posts, RR: 1
Reply 1, posted (6 years 2 weeks 5 days 8 hours ago) and read 13583 times:

If there is a medical emergency, pilots usually request priority landing and descent at full speed without following standard slow approach...

There were stories on a.net about LH's 744 descending at 400 knots and breaking only on last approach to bring the speed down to land, heart attack patient disembarkment on taxiway, and then taking off again...I might have gotten the plane wrong, but I think it was FRA-ORD and descent in MAN.



There's no better way to travel than fly (shameless rip of LH's slogan ;-)
User currently offlineDavico68 From United States of America, joined Jul 2008, 30 posts, RR: 0
Reply 2, posted (6 years 2 weeks 5 days 7 hours ago) and read 13068 times:

Probably Medical Emergency or perhaps a mechanical need to get it on the ground quicky. At that altitude they were below all the rest of the traffic and can then drop the speed when closer to the runway. Thats my guess.

User currently offlineLHRman From United Kingdom, joined Mar 2004, 398 posts, RR: 6
Reply 3, posted (6 years 2 weeks 5 days 6 hours ago) and read 12000 times:

Nothing special, just took the short cut and was given no speed. Pretty standard for quiet periods in the evening (well quiet for LHR).


Always after the picture you can't get..
User currently offlineHywel From Uganda, joined Apr 2008, 801 posts, RR: 5
Reply 4, posted (6 years 2 weeks 5 days 4 hours ago) and read 10893 times:



Quoting LHRman (Reply 3):
Nothing special, just took the short cut and was given no speed.

Coming back from ORD on a UA B772, we came in over S.Wales towards LHR, and the 09's were in use so we had a straight in approach. Because of exceptionally high tailwinds over the Atlantic we were really early and landed before 5 am. We too had no speed restriction and were doing well over 300 kts right down until 4 DME on final approach (according to the Airshow on the PTV).

Our aircraft really did shake a lot when the spoilers were chucked up and we slowed down from 300 kts down to a more appropriate landing speed! Flaps and gear weren't even put down until we were 3 DME. What an experience.


User currently offlineDavid L From United Kingdom, joined May 1999, 9523 posts, RR: 42
Reply 5, posted (6 years 2 weeks 5 days 4 hours ago) and read 10706 times:



Quoting Hywel (Reply 4):
according to the Airshow on the PTV

Does that show airspeed or ground speed? A tail wind would result in a higher ground speed for a given airspeed.


User currently offlineLUPOR1D From Ireland, joined Feb 2008, 316 posts, RR: 0
Reply 6, posted (6 years 2 weeks 5 days 4 hours ago) and read 10419 times:



Quoting David L (Reply 5):

Does that show airspeed or ground speed? A tail wind would result in a higher ground speed for a given airspeed.

I believe the airshow shows groundspeed instead of airspeed



Always lurking.
User currently offlineMIgAiR54 From Spain, joined Jun 2007, 1667 posts, RR: 0
Reply 7, posted (6 years 2 weeks 5 days 4 hours ago) and read 10277 times:



Quoting David L (Reply 5):
Does that show airspeed or ground speed?

It is Ground Speed.


When a pilot listen, you are number one in app and no speed restriction clear fot ILS app, that is music for our ears. I have done many times high speed apps and we just reduce speed about 4 or 5 miles to the runway, always in good weather conditions.  alert 

Quoting MrBrightSide (Reply 1):
744 descending at 400 knots

400 knots (IAS)??? I have never flown a 747 but i think 400kts is too much............


User currently offlineLUPOR1D From Ireland, joined Feb 2008, 316 posts, RR: 0
Reply 8, posted (6 years 2 weeks 5 days 3 hours ago) and read 10064 times:



Quoting MIgAiR54 (Reply 7):
400 knots (IAS)??? I have never flown a 747 but i think 400kts is too much............

Thats groundspeed though obviously....in a good tailwind eastbound on the pond 550kts groundspeed would be common



Always lurking.
User currently offlineShany From Germany, joined Jul 2008, 113 posts, RR: 0
Reply 9, posted (6 years 2 weeks 4 days 23 hours ago) and read 6095 times:



Quoting MrBrightSide (Reply 1):
... and breaking only on last approach ...

I hope not but at THAT speed, who knows ...  Wink

Shany



ETOPS - Engines Turn Or People Swim
User currently offlineRivet42 From United Kingdom, joined Aug 2005, 818 posts, RR: 1
Reply 10, posted (6 years 2 weeks 4 days 21 hours ago) and read 5421 times:



Quoting MrBrightSide (Reply 1):
There were stories on a.net about LH's 744 descending at 400 knots and breaking only on last approach to bring the speed down to land

... descending the ILS at 400kt will certainly break something when you hang the washing out to generate a bit of drag...  crazy 

Seriously, I wonder what the certified max speeds are below 3000ft for a 744 (or any other large airliner, for that matter) - it's not the safest part of the sky to go breaking records!

Riv'



I travel, therefore I am.
User currently offlineKtachiya From Japan, joined Sep 2004, 1792 posts, RR: 2
Reply 11, posted (6 years 2 weeks 4 days 9 hours ago) and read 4984 times:

I remember reading in a book that unless directed by ATC, pilots have to do 280 knots or slower below flight level 120 but is that true? Because I've been listening to liveatc.net and there are some planes doing 300 knots at 6000 feet, etc.

Just like JFK, does LHR have speed restrictions or guidelines to follow?



Flown on: DC-10-30, B747-200B, B747-300, B747-300SR, B747-400, B747-400D, B767-300, B777-200, B777-200ER, B777-300
User currently offlineMIgAiR54 From Spain, joined Jun 2007, 1667 posts, RR: 0
Reply 12, posted (6 years 2 weeks 4 days 1 hour ago) and read 4573 times:



Quoting Ktachiya (Reply 11):
I remember reading in a book that unless directed by ATC, pilots have to do 280 knots or slower below flight level 120 but is that true? Because I've been listening to liveatc.net and there are some planes doing 300 knots at 6000 feet, etc.

Just like JFK, does LHR have speed restrictions or guidelines to follow?

Well, It is 250 kts below FL100. And Airport standard arrivals (STAR) usually have SLPs and you must reach this point at 250 kt but during very quiet hours you can request high speed.

Quoting Rivet42 (Reply 10):
Seriously, I wonder what the certified max speeds are below 3000ft for a 744 (or any other large airliner, for that matter) - it's not the safest part of the sky to go breaking records!

I am not 747 pilot but the barber pull must be at around 320-340 knots.

Quoting LUPOR1D (Reply 8):
.in a good tailwind eastbound on the pond 550kts groundspeed would be common

Last time I Crossed the pond we had 120 kts wind, of them 100kt tailwind for an hour. It was in HAV-MAD flight.


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