Curious incident :)

Jack wrote:

I don't doubt you've seen something. From five- or seven o'clock it
could be dust kicked up by wing-mounted jet intakes that might appear to
come from the main gear. I've watched a lot of large and heavy jet
departures from the number one position and I don't remember seeing
anything that could be interpreted as smoke from the tires under those
circumstances.

Curious, indeed.

Jack


What began as a question to ascertain the frequency of aircraft landing
from above another has turned (due to my poor verbiage, possibly) to
how smoke emerged from the 747's wheels on takeoff

Is it common to see planes commencing their takeoff roll before a
just-landed aircraft has fully turned off into the exit? That clearly
happened in the incident I wrote about too...

Ramapriya

Ramapriya wrote:

Is it common to see planes commencing their takeoff roll before a
just-landed aircraft has fully turned off into the exit?

It happens --- more in some environments than others. Domestic US
operations are pretty standardized now, but there are a lot of
operations in many other parts of the world that would not be acceptable
to the FAA.


Jack

"Ramapriya" wrote in message
ups.com...
Is it common to see planes commencing their takeoff roll before a
just-landed aircraft has fully turned off into the exit? That clearly
happened in the incident I wrote about too...

Define "commencing". The way I read your initial post, the departing
airplane was not on the runway yet. So, the first movement would be simply
to get onto the runway. That would be perfectly acceptable. If the runway
is cleared by the time the departing aircraft gets lined up, they may
receive a takeoff clearance without any interruption, making it appear as
though they were cleared for takeoff earlier, even when they weren't.

Frankly, I'd think the whole "smoke from the tires" thing would have been a
suitable caution to you to not assume too much about what you think you are
seeing. So much goes on "behind the scenes" in the way of coordination, and
it's hard to know from outside the airplane exactly at what points the
various steps of the sequence of taking off are actually occuring.

Pete

Ramapriya wrote:
What began as a question to ascertain the frequency of aircraft landing
from above another has turned (due to my poor verbiage, possibly) to
how smoke emerged from the 747's wheels on takeoff

Is it common to see planes commencing their takeoff roll before a
just-landed aircraft has fully turned off into the exit? That clearly
happened in the incident I wrote about too...

We don't care about the landing sequence or why two aircrafts had
posession of the runway Raj. We want to know why the tires smoked.
:^)

We don't care about the landing sequence or why two aircrafts had
posession of the runway Raj. We want to know why the tires smoked.

Because smoking is addictive, and the tires were watching too many
cigarette commercials. Big tobacco should pay the user fees.

Jose
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