AVSIG: Pilots Sleeping on the Job wwswsigarch.jpg (7236 bytes)

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AVSIG Discussion Sections >> Airlines & Air Crews

nehoC hctiM
Top Gun


Reged: 08/03/04
Posts: 2293
Loc: LAX Based 10/2016 - Current YA...
Re: Pilots Sleeping on the Job
      11/01/09 11:13 PM

Quote:

Anne,

You have noticed a valid concern.

We are flying our new commercial jets at a much higher altitude than was the case about 20 years ago. Better engines, higher power ratios with 2 engine large aircraft, and we just climb up to 350 or higher after takeoff. FL 390 is often the final altitude.

If it's a long flight, the passengers are quickly living at 6,000-8,000 feet for a period of time -perhaps a long period of time. Note: some of the newer big jets have a higher pressure differential so this might not be quite the case in the future.

Still, with the old B-747's on a long flight, we would likely level at FL 290 for a few hours, then climb for the remander of the flight. We always keep the cabin at max differential, so for the first few hours the passengers were at perhaps below 5,000 feet cabin-or a bit lower.

It would be interesting to have a study of the length of time at high cabin altitude with the new B-777 type of aircraft.

I know, that sea level passengers would tend to get sleepy if we kept them at 6,000-7,000 feet cabin for a long flight. (OK pilots too I guess).

Regards,

Dux -needing a nap for sure




My typical flight is at 38,000 or 39,000 with cabin altitudes of between 7000 and 7500 ft nearly the entire flight, longest about 4 hrs.

--------------------
USA Today said, people over 50 are calmer.

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Entire topic
Subject Posted by Posted on
* Pilots Sleeping on the Job Robert Mann [HPN-NY] 10/16/09 10:43 AM
. * * Re: Pilots Sleeping on the Job Jerry Kurata [KLVK]   10/16/09 12:00 PM
. * * Re: Pilots Sleeping on the Job B. Butler (Oregonian)   10/16/09 01:10 PM
. * * Re: Pilots Sleeping on the Job Mase Taylor   10/16/09 12:37 PM
. * * Re: Pilots Sleeping on the Job Ralph Jones   10/16/09 11:47 AM
. * * Re: Pilots Sleeping on the Job Dan Barclay [ORG]   10/16/09 04:06 PM
. * * Re: Pilots Sleeping on the Job Sean Franklin   10/20/09 01:04 PM
. * * Re: Pilots Sleeping on the Job Dan Barclay [ORG]   10/20/09 01:41 PM
. * * Re: Pilots Sleeping on the Job Terry Carraway   10/19/09 12:07 AM
. * * Re: Pilots Sleeping on the Job nehoC hctiM   10/19/09 08:59 AM
. * * Re: Pilots Sleeping on the Job Dean Gibson [PAE]   10/27/09 11:00 PM
. * * Re: Pilots Sleeping on the Job Terry Carraway   10/21/09 07:22 AM
. * * Re: Pilots Sleeping on the Job nehoC hctiM   10/21/09 08:54 AM
. * * Re: Pilots Sleeping on the Job Terry Carraway   10/21/09 11:17 PM
. * * Re: Pilots Sleeping on the Job Anne Umphrey (KBED)   11/01/09 10:22 AM
. * * Re: Pilots Sleeping on the Job Richard Duxbury (Dux)   11/01/09 10:40 PM
. * * Re: Pilots Sleeping on the Job nehoC hctiM   11/01/09 11:13 PM
. * * Re: Pilots Sleeping on the Job Bruce Gorrell [EQY]   11/02/09 05:12 PM
. * * Re: Pilots Sleeping on the Job Richard Duxbury (Dux)   11/02/09 10:49 PM
. * * Re: Pilots Sleeping on the Job Bruce Gorrell [EQY]   11/03/09 04:50 PM
. * * Re: Pilots Sleeping on the Job Robert Mann [HPN-NY]   10/21/09 04:42 PM
. * * Re: Pilots Sleeping on the Job Tom Tyson [SUW]   10/21/09 09:19 AM
. * * Re: Pilots Sleeping on the Job Anne Umphrey (KBED)   10/21/09 10:57 AM
. * * Re: Pilots Sleeping on the Job Richard Palm (PAO)   10/19/09 03:07 PM
. * * Re: Pilots Sleeping on the Job nehoC hctiM   10/19/09 03:54 PM
. * * Re: Pilots Sleeping on the Job sreyoB yrraL   10/16/09 05:09 PM
. * * Re: Pilots Sleeping on the Job Dan Barclay [ORG]   10/16/09 07:00 PM
. * * Re: Pilots Sleeping on the Job sreyoB yrraL   10/16/09 10:13 PM
. * * Re: Pilots Sleeping on the Job Ward Miller POU-NY   10/16/09 09:50 PM
. * * Pilots Sleeping on the Job Scott Dyer [HPN/NY]   10/16/09 11:13 AM
. * * Pilots Sleeping on the Job Ward Miller POU-NY   10/16/09 01:13 PM
. * * Re: Pilots Sleeping on the Job Terry Carraway   10/19/09 12:04 AM
. * * Re: Pilots Sleeping on the Job Richard Duxbury (Dux)   10/16/09 05:39 PM
. * * Re: Pilots Sleeping on the Job Ward Miller POU-NY   10/16/09 09:50 PM
. * * Re: Pilots Sleeping on the Job sreyoB yrraL   10/16/09 03:17 PM
. * * Re: Pilots Sleeping on the Job Ken Korshin KMIA   10/16/09 12:39 PM
. * * Re: Pilots Sleeping on the Job Scott Dyer [HPN/NY]   10/16/09 12:57 PM
. * * Re: Pilots Sleeping on the Job Robert Mann [HPN-NY]   10/16/09 11:16 AM
. * * Re: Pilots Sleeping on the Job Scott Dyer [HPN/NY]   10/16/09 11:54 AM

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