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The Eagle has landed.........err, when exactly!!!!

 
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fedupwithspam

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Since: Jan 19, 2004
Posts: 122



(Msg. 1) Posted: Sat Dec 29, 2007 3:47 pm
Post subject: The Eagle has landed.........err, when exactly!!!!
Archived from groups: alt>travel>uk>air (more info?)

Hi

I have been puzzling about something for some time, which somebody out
there must know - and after several pints of homebrew, now seems a
suitable moment to ask.

If a plane is shown as having landed (or "arrived") at - for example -
19.35, what exactly does this mean? Is it when the wheels touch the
runway? When it stops moving? When it is docked at the gate? What
precise moment exactly???

Similarly, what moment in the take off procedure defines an aircraft
as having "departed"??

Regards - and thanks in advance.



KGB

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lansbury

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Since: Jul 24, 2003
Posts: 1248



(Msg. 2) Posted: Sat Dec 29, 2007 3:47 pm
Post subject: Re: The Eagle has landed.........err, when exactly!!!! [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On Sat, 29 Dec 2007 19:49:41 GMT, "KGB" <FedUpWithSpam.TakeThisOut@NoEmailAddre.ss> (KGB)
wrote:


>
>If a plane is shown as having landed (or "arrived") at - for example -
>19.35, what exactly does this mean?
>

From the days when I could monitor such things from my desk at Heathrow it is
when the wheels touch the runway. I assume that is pretty standard. Both ATC
and the airline use that as on time arrivals are not affected by ground
delays.


>Similarly, what moment in the take off procedure defines an aircraft
>as having "departed"??
>

Departure has several different options. Most airlines use the time off the
gate. ATC use the wheels up time.

I can give you the legal definition as I had to get it once when we were going
to prosecute as BA captain for refusing an order to bring the aircraft back to
the gate, when a child being abducted from the UK was discovered to be on the
aircraft after it pushed back.

The legal opinion we got is an aircraft has taken off at the point where the
pilot in charge has pushed the throttle levers forward and the wheels have
moved to commence the take off run.

The reason for getting the opinion was because if the aircraft hadn't taken
off the pilot was legally required to obey the instruction I gave via ATC to
return to the gate. If the aircraft had taken off the captain was quite
rightly allowed to refuse on safety grounds which is what he did.

--
Lansbury (Retired)
www.uk-air.net
FAQs for the alt.travel.uk.air newsgroup

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roland

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Since: Sep 18, 2003
Posts: 1710



(Msg. 3) Posted: Sat Dec 29, 2007 5:53 pm
Post subject: Re: The Eagle has landed.........err, when exactly!!!! [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

In message <5cddn3d2vai6lhpvpb52phuuf6ucripu76.TakeThisOut@4ax.com>, at 13:11:53 on
Sat, 29 Dec 2007, Lansbury <lansbury.TakeThisOut@spamcop.net> remarked:
>>Similarly, what moment in the take off procedure defines an aircraft
>>as having "departed"??
>
>Departure has several different options. Most airlines use the time off the
>gate. ATC use the wheels up time.

I'm sure I read something many years ago that the procedure was changed
at Heathrow, such that timetables were based on leaving the gate,
because there were so many complaints about "late departure" when
passengers compared the timetable to when the plane eventually took off.

Mu recent observations as a passenger (many different routes) is that
timetables today have at least 20 minutes built into them, so that
planes heroically arrive on time even if they are 20 minutes "late"
taking off.
--
Roland Perry
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fedupwithspam

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Since: Jan 19, 2004
Posts: 122



(Msg. 4) Posted: Sun Dec 30, 2007 5:39 am
Post subject: Re: The Eagle has landed.........err, when exactly!!!! [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On Sat, 29 Dec 2007 21:38:07 +0000, Roland Perry <roland DeleteThis @perry.co.uk>
wrote:

>In message <5cddn3d2vai6lhpvpb52phuuf6ucripu76 DeleteThis @4ax.com>, at 13:11:53 on
>Sat, 29 Dec 2007, Lansbury <lansbury DeleteThis @spamcop.net> remarked:
>>>Similarly, what moment in the take off procedure defines an aircraft
>>>as having "departed"??
>>
>>Departure has several different options. Most airlines use the time off the
>>gate. ATC use the wheels up time.
>
>I'm sure I read something many years ago that the procedure was changed
>at Heathrow, such that timetables were based on leaving the gate,
>because there were so many complaints about "late departure" when
>passengers compared the timetable to when the plane eventually took off.

Hi

That is a fair enough answer, but what would happen if the flight was
postponed AFTER leaving the gate but before actually taking off - as
happened to me a few years ago in Salt Lake City.

My wife and I were due to fly back to the UK from Salt Lake City via
Chicago. The plane pushed back from the gate OK in SLC and then spent
the usual next twenty minutes in a line of planes getting to the end
of the runway. It was quite literally turning onto the end of the
runway ready to start its take off run when they closed O'Hare airport
in Chicago due to bad weather. Instead of taking off, our plane
trundled to a parking area adjacent to the runway and just sat there
for over three hours until they re-opened Chicago's O'Hare airport, at
which time we re-commenced our take off.

The time therefore between the plane leaving the gate and the wheels
leaving the ground was around 4 hours. The passengers didn't quite
mutiny, but it was very close!!!!!

Regards

KGB
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kernow

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Since: Jan 01, 2008
Posts: 1



(Msg. 5) Posted: Tue Jan 01, 2008 12:33 am
Post subject: Re: The Eagle has landed.........err, when exactly!!!! [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

KGB (KGB) wrote:
> On Sat, 29 Dec 2007 21:38:07 +0000, Roland Perry <roland RemoveThis @perry.co.uk>
> wrote:
>
>> In message <5cddn3d2vai6lhpvpb52phuuf6ucripu76 RemoveThis @4ax.com>, at 13:11:53 on
>> Sat, 29 Dec 2007, Lansbury <lansbury RemoveThis @spamcop.net> remarked:
>>>> Similarly, what moment in the take off procedure defines an aircraft
>>>> as having "departed"??
>>> Departure has several different options. Most airlines use the time off the
>>> gate. ATC use the wheels up time.
>> I'm sure I read something many years ago that the procedure was changed
>> at Heathrow, such that timetables were based on leaving the gate,
>> because there were so many complaints about "late departure" when
>> passengers compared the timetable to when the plane eventually took off.
>
> Hi
>
> That is a fair enough answer, but what would happen if the flight was
> postponed AFTER leaving the gate but before actually taking off - as
> happened to me a few years ago in Salt Lake City.
>
> My wife and I were due to fly back to the UK from Salt Lake City via
> Chicago. The plane pushed back from the gate OK in SLC and then spent
> the usual next twenty minutes in a line of planes getting to the end
> of the runway. It was quite literally turning onto the end of the
> runway ready to start its take off run when they closed O'Hare airport
> in Chicago due to bad weather. Instead of taking off, our plane
> trundled to a parking area adjacent to the runway and just sat there
> for over three hours until they re-opened Chicago's O'Hare airport, at
> which time we re-commenced our take off.
>
> The time therefore between the plane leaving the gate and the wheels
> leaving the ground was around 4 hours. The passengers didn't quite
> mutiny, but it was very close!!!!!
>
> Regards
>
> KGB
>
You didn't mention the airline on which you were flying, but as you were
going to the UK via ORD, if my memory serves me correctly there are only
five airlines with non stop flights to the UK from ORD.

In view of the fact that you didn't indicate if you had checked the ORD
weather before or during check-in, what would you prefer should happen?
Have the aircraft return to the gate and get kicked off the flight as
it would almost certainly be cancelled and have to rebook yourself on
another flight and hope that didn't suffer the same fate. Have the
flight depart and then leave you stranded in St Louis or Omaha as O'Hare
was still closed and the flightdeck crew would be out of hours. Or do
what the pilot did, i.e. wait in the bull pen until O'Hare reopened and
be one of the first planes to get in after the storm.

I agree it's a pain in the ass having to wait in the bull pen, but it
does mean that your aircraft will depart before later flights still at
the gate. Remember airlines don't control the weather and unlike the CAA
in the UK the FAA does close airports when the weather is considered to
be below minimums.

If the point of your post is to record that you had an on time departure
but a four hour late arrival then fine. Point made.

Here's a tip, that perhaps I shouldn't offer, that could save you a lot
of trouble and delay in future. Check the weather before you go to the
airport or at least at check-in and if your connection point looks iffy
request a rerouting. In the case of the flight routing you took AA, BA,
UA, and VG have flights from other east coast cities in addition to ORD
and if there are seats available to New York or Washington Dulles, have
the agent reroute you before all the delays and the fight for seats on
alternate routes begins.

I do this all the time and it has saved me hours if not days in wasted time.

If the flight you're sitting on does become cancelled do something about
it before you even get back to the terminal. You can legally use your
cellphone whilst the aircraft is on the ground (US airlines typically
tell you when you can't use your phones), so call the airline
immediately and get seats on another flight routing away from the bad
weather and by the time the plane gets back to the gate you'll know
exactly what you're doing without having to spend a long wait back at
the gate trying to rebook. Or in the worst case get yourself an hotel
room rather than an uncomfortable night at the airport as all the rooms
at hotels are full.

Don't worry about flight on time statistics, make sure you do all you
can to avoid delays before you check-in.

kernow - a Cornishman in America
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roland

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Since: Sep 18, 2003
Posts: 1710



(Msg. 6) Posted: Tue Jan 01, 2008 4:20 am
Post subject: Re: The Eagle has landed.........err, when exactly!!!! [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

In message <13njk4r7hoin59f DeleteThis @corp.supernews.com>, at 00:33:24 on Tue, 1
Jan 2008, kernow <hugh.col DeleteThis @ix.netcom.com> remarked:
>Here's a tip, that perhaps I shouldn't offer, that could save you a lot
>of trouble and delay in future. Check the weather before you go to the
>airport or at least at check-in and if your connection point looks iffy
>request a rerouting. In the case of the flight routing you took AA,
>BA, UA, and VG have flights from other east coast cities in addition to
>ORD and if there are seats available to New York or Washington Dulles,
>have the agent reroute you before all the delays and the fight for
>seats on alternate routes begins.

That's all very well if you have full fare tickets, but the majority of
people on transatlantic family trips are on bargain fares that the
airlines aren't willing to re-route just because of a few hours
potential delay. Even if they were prepared to, the passengers will
likely end up only on "standby" on the alternate (and normally fully
booked) long haul sector, and they will be very lucky to travel later
the same day, rather than the next day.

[I have had family do an almost identical trip the one the OP mentioned
in the last few weeks, and they were bumped off the long haul without
being warned, just because the airline thought the short hop was likely
delayed by weather, and had to fight hard to get back on when in fact
they got to the hub on time].
--
Roland Perry
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fedupwithspam

External


Since: Jan 19, 2004
Posts: 122



(Msg. 7) Posted: Tue Jan 01, 2008 10:31 am
Post subject: Re: The Eagle has landed.........err, when exactly!!!! [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

Hi

Strewth, I didn't expect to open a can of worms with a simple
question.

On Tue, 01 Jan 2008 00:33:24 -0500, kernow <hugh.col.DeleteThis@ix.netcom.com>
wrote:
<SNIP>
>You didn't mention the airline on which you were flying, but as you were
>going to the UK via ORD, if my memory serves me correctly there are only
>five airlines with non stop flights to the UK from ORD.
American Airlines.

I personally find it very hard to believe, but according to several AA
staff I chatted to, the reason for closing ORD on that day, was that
during the bad weather 2 planes had literally touched wingtips over
Chicago with no damage to either. At that point the airport
authorities decided enough was enough and shut down the whole airport.
As I say, I find it hard to believe and I am not going to argue about
it, but was told this independently by quite a few AA (and airport)
staff. If true - and I stress IF - then Chicago was very lucky.

>
>In view of the fact that you didn't indicate if you had checked the ORD
>weather before or during check-in, what would you prefer should happen?
> Have the aircraft return to the gate and get kicked off the flight as
>it would almost certainly be cancelled and have to rebook yourself on
>another flight and hope that didn't suffer the same fate. Have the
>flight depart and then leave you stranded in St Louis or Omaha as O'Hare
>was still closed and the flightdeck crew would be out of hours. Or do
>what the pilot did, i.e. wait in the bull pen until O'Hare reopened and
>be one of the first planes to get in after the storm.
It wasn't a complaint; merely a description of what happened - If you
had read my original post (or the above post correctly) I was
initially just curious as to what is defined as departure time. In
the above case, there was a 4-hour delay between pushing back from the
gate and the wheels leaving the runway. IF departure were defined as
leaving the gate (as Roland Perry suggested) then surely this would
have extended the "in flight" time by 4 hours, which doesn't make
sense to me. Had I been a relative meeting the above flight in ORD
and knowing it took off on time, but after nearly 4 hours on a
relatively short flight it still hadn't landed, I would have been
getting seriously worried.


>I agree it's a pain in the ass having to wait in the bull pen, but it
>does mean that your aircraft will depart before later flights still at
>the gate. Remember airlines don't control the weather and unlike the CAA
>in the UK the FAA does close airports when the weather is considered to
>be below minimums.
Actually it didn't bother either my wife or myself too much; having
done a lot of flying over the years we have become resigned to such
things. However some passengers were going to business meetings and
were a trifle upset (to say the least) that they would obviously miss
their meeting and waste a day.

>
>If the point of your post is to record that you had an on time departure
>but a four hour late arrival then fine. Point made.
My sole point was to wonder what the time of departure would be
defined as in this case - perhaps I should have phrased the post
better

>
>Here's a tip, that perhaps I shouldn't offer, that could save you a lot
>of trouble and delay in future. Check the weather before you go to the
>airport or at least at check-in and if your connection point looks iffy
>request a rerouting. In the case of the flight routing you took AA, BA,
>UA, and VG have flights from other east coast cities in addition to ORD
>and if there are seats available to New York or Washington Dulles, have
>the agent reroute you before all the delays and the fight for seats on
>alternate routes begins.
Not possible on the ticket I was flying on - nor, as a UK tourist, is
it all that simple to check the weather in ORD before going to the
airport in SLC - particularly as we were staying in a tent at the
time.

>
>I do this all the time and it has saved me hours if not days in wasted time.
>
>If the flight you're sitting on does become cancelled do something about
>it before you even get back to the terminal. You can legally use your
>cellphone whilst the aircraft is on the ground (US airlines typically
>tell you when you can't use your phones),
My UK cellphone won't work in the USA - I like it that way so I cannot
be contacted on holiday.

>so call the airline
>immediately and get seats on another flight routing away from the bad
>weather and by the time the plane gets back to the gate you'll know
>exactly what you're doing without having to spend a long wait back at
>the gate trying to rebook.
Being a foreign tourist, unfamiliar with US airline timetables - plus
having already checked in a ton of luggage (all our camping gear) - it
is far simpler to let the airline sort it out.

>Or in the worst case get yourself an hotel
>room rather than an uncomfortable night at the airport as all the rooms
>at hotels are full.
Actually, AA provided a free hotel in Chicago plus rebooked our
International flight for the following day. My wife and I made it
quite plain to AA staff that we realized they were doing their best in
difficult circumstances; but rather interestingly, the British couple
in front of us who were shouting and making a big fuss about missing
their International connection and demanding all sorts of compensation
weren't given a flight for over a week - (serves 'em right we
thought)!!!!!


>
>Don't worry about flight on time statistics, make sure you do all you
>can to avoid delays before you check-in.
We do our best. My next TransAtlantic flight is out of Heathrow on
9th Jan (2 days after the scheduled BAA strike) so I have spent the
past few days working with my travel agent trying to find a workaround
should my flight be affected - fortunately it has just been announced
that the strike is off, so hopefully my flight will leave on time
(whenever that is defined as).

>
>kernow - a Cornishman in America
Not related to my mother in law are you?? she is from Cornwall - I am
just an emmett!!!! 8^)

Regards

KGB
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roland

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Since: Sep 18, 2003
Posts: 1710



(Msg. 8) Posted: Tue Jan 01, 2008 10:31 am
Post subject: Re: The Eagle has landed.........err, when exactly!!!! [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

In message <477a4fa5.20198968.TakeThisOut@news.enta.net>, at 14:39:01 on Tue, 1 Jan
2008, KGB <FedUpWithSpam.TakeThisOut@NoEmailAddre.ss> remarked:
> IF departure were defined as leaving the gate (as Roland Perry
>suggested) then surely this would have extended the "in flight" time by
>4 hours, which doesn't make sense to me. Had I been a relative meeting
>the above flight in ORD and knowing it took off on time, but after
>nearly 4 hours on a relatively short flight it still hadn't landed, I
>would have been getting seriously worried.

I was mainly referring to the time in a timetable.

As for worried relatives, what they are usually looking at is an
estimated *arrival* time, and I'd not expect one of those to be
published until a plane had actually taken off and a calculation done.

(Looking closer, it seems that the website I use publishes a so called
"runway" time for departures and arrivals).
--
Roland Perry
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