oly720man
Posts: 5740
Joined: Fri May 21, 2004 7:13 am

Aircraft Altimeter Pressure Setting

Tue Sep 02, 2008 12:51 pm

What's the highest setting that's usually available on aircraft, in hPa or in. Hg? Only asking because of a news report from New Zealand saying that there could be a high pressure of 1049hPa which is about 31 in Hg.

http://www.nzherald.co.nz/section/1/story.cfm?c_id=1&objectid=10530113
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wilco737
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Joined: Sun Jun 20, 2004 12:21 am

RE: Aircraft Altimeter Pressure Setting

Tue Sep 02, 2008 7:51 pm



Quoting Oly720man (Thread starter):
available on aircraft, in hPa or in. Hg

We can set out altimetet to 1084 hPa which is enough. And I am not 100% sure abuot the lowest, but it should be around 850 or so. And to convert hPa to inHG use 33.865  Wink

WILCO737 (MD11F)
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oly720man
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Joined: Fri May 21, 2004 7:13 am

RE: Aircraft Altimeter Pressure Setting

Wed Sep 03, 2008 8:33 am



Quoting WILCO737 (Reply 1):
We can set out altimetet to 1084 hPa which is enough.

Thanks for that. I have vague memories of reports from quite a few years ago when the pressure was so high over Alaska at the time, it was almost off the top of the pressure setting range on the altimeter.
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wilco737
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Joined: Sun Jun 20, 2004 12:21 am

RE: Aircraft Altimeter Pressure Setting

Wed Sep 03, 2008 8:36 am



Quoting Oly720man (Reply 2):

I don't know how it is with other aircrafts. I was only talking about the MD11. I think on our 737s the max was 1054.... But I am not sure here either. too long ago  Wink

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