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A question from Russia

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Old 10th Aug 2001, 08:58
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Red face A question from Russia

I wonder if two (or more) a/c may line up the same RWY (at different places) in your country? Under what conditions?
It is prohibited in Russia which limits capacity a lot.
Thanks to all and greetings from Moscow!
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Old 10th Aug 2001, 11:10
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NO probs!

Just warn them about each other!

It is better not to let a PA28 line up behind a 747 though!!!!!!!
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Old 10th Aug 2001, 12:10
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No problem at all providing:
1. It's day
2. The pilots are warned of the number of aircraft ahead of them and their positions
3. All aircraft are on the same frequency
4. The runway characteristics will not render a/c ahead invisible to following a/c
5. All aircraft are continuously visible to the controller.
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Old 10th Aug 2001, 13:29
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Good text book answer!!!

(must get back to an airfield soon!!!)

B-L
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Old 10th Aug 2001, 14:53
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LOL Bright Ling, are you starting to wonder what those small specks that stream those long thin high level clouds you can see when on your way into work are?

Gonzo.
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Old 10th Aug 2001, 17:28
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Tee bloody hee!!!!!!!!!!!

You need to visit the ground floor more often !!!!!!

Any more news on "the resigning one"????!!!

Spoke to him 8 days ago and he said would do so the next day! Is it likely then???

B-L
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Old 10th Aug 2001, 20:50
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Thumbs up

chul,
As rs says "no probs". It's done quite often at MAN[EGCC]
we aim to please, it keeps the cleaners happy
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Old 12th Aug 2001, 01:59
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Question

Recommended Spacing - Where did you get that 'both aircraft must both be on the same frequency' from?
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Old 12th Aug 2001, 03:21
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Red Four, it was from the top of my head (I use this every day!). However now you've put an element of doubt into it::::
Having just checked MATS pt1, its section 2-7 para 12 (c) "All aircraft are on the same RTF frequency"
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Old 12th Aug 2001, 13:37
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B-L,

Have not spoken to him for a while, I'm on leave at the moment. I'll see him on Friday.

Gonzo
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Old 12th Aug 2001, 15:14
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Okeydokey!
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Old 13th Aug 2001, 02:14
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R-S,
Thanks, I couldn't find it for looking. Does anyone know,did these conditions come into force after the Tenerife 747 disaster, or were some of them already in existence? Were the 2 747's on different frequencies?
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Old 13th Aug 2001, 06:53
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Angel

Hello, guys!

Thanks to all who replied (well done, Spacing!).

Just one more question before we close the subject. Are the mentioned conditions (Re: Recommended Spacing’s reply) final? I mean, is there said anything about the a/c types (who’s ahead and who’s behind) and minimal distances between them to avoid blowing away of little onesJ.

Thank you.

Don’t forget – just 5 days left till the best air display on the CIS territory. MAKS 2001 will show you dancing Kamovs, inverted Mils, Sukhois and Migs breaking the skies, and a lot more. The coming weekend‘s gonna be fascinating!

“Start up approved”.

See you in Zhukovski (SE of Moscow).
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Old 13th Aug 2001, 13:56
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Nothing about the a/c types. Often send the little one of first with a turn after take-off followed closely by the fast/heavy visual on a SID. The other way arround would not work for vortex reasons, so I can't see any reason for needing to have both on the runway that way..
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Old 14th Aug 2001, 02:32
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As Dan has said, vortex is usually the issue when using this scenario, or, a tight gap and you need to get one away immediately on the vortex requirement.
The usual scenario where I work is slot requirements, we advise the one following of the a/c type to depart ahead, before he is lined up, that way he can line up when he is ready, occasionally pilots of light / small a/c aren't happy having a jet a/c departing a few hundered metres ahead of them!
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Old 16th Aug 2001, 21:12
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Angel

Chulman :
re the daylight requirement stated above. This is in the UK : in Paris CDG it used to be done for years at night as well until last year when a departing MD80 (from the normal end) departed and when passing 120 Kts hit the cockpit of a Shorts which was lining up at an intersection. The controller mis-interpreted the intersections names and thought the Shorts was after the MD80. (At least that is what he claims, it was at night and could not be seen from TWR) Unfortunately the Shorts Co pilot was killed, Capt seriously injured.The MD 80 managed to stop its take off. no injuries there.
Both a/c were on same frequency but one clearance (to MD80) given in French and the line up a intersection to the Shorts given in English. ( this probably prevented the Shorts crew to detect the Take off clearance, but the MD8o crew , who understood English also failed to realise the Shorts was clear to line up at the intersection . )Total review of intersection take offs being done currently in CDG following that crash.
I mention all this because I think it is valid for Russia as you also use 2 languages on the R/T. (Also thanks for the invitation
. saw the Su32 in LFPB last june. Very, very impressive.)

To Red four : Teneriffe. No, both 747s were on same freq, problem was that when the KLM stated: quote : "we are at take off ..." this was heard by both the TWR controller and the Pan Am 747 still backtracking the runway, and both replied simulteanously , resulting in a squeel on the R/T than was inaudible by the KLM (confirmed from their CVR) So in that perticular case the fact that both a/c were on the same frequency actually prevented the controller from stopping the collision.

Morale of the story : there is always a risk in allowing 2 a/c at the same time on any runway.
Post morale : resist (if you can) the so called "capacity enhancers" purely based on putting more a/c per hour on a perticular runway. Next they'll sell you "land and hold short of intersections "( as currently done in the USA )
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Old 17th Aug 2001, 01:52
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Cool

And what is wrong with Land and Hold Short?

We have used it in it's present configuration (more restrictive) as well as an older version called SOIR (simo ops intersecting runway) for over 30 years with NO problems...

regards
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Old 17th Aug 2001, 02:03
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Mr Voigt.....

...I guess if it works for you guys then good for you!

Don't you think it a bit odd that UK Airlines such as BA/Virgin are not, under company policy, allowed to accept a Land and Hold Short?

Fortunately we don't have too many crossed runways in the UK.

NO offence - just don't think that there are any belt or braces there at all.

[ 16 August 2001: Message edited by: Bright-Ling ]
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Old 18th Aug 2001, 02:41
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Cool

To each their own...

We have used it here for well over 30 years with no incidents...

regards
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Old 18th Aug 2001, 11:36
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The major problem at Tenerrife was that the ADC controller could not see both aircraft because of the foggy condx. I THINK that was when the bit about "continuously visible" came in.

Z
 


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