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Mike8686
07-21-2004, 08:33 AM
What do IAS and ASL stand for?

Mike8686
07-21-2004, 08:33 AM
What do IAS and ASL stand for?

Extreme_One
07-21-2004, 08:42 AM
IAS = Indicated Air Speed and I can't think what ASL is for a moment.

It'll come back to me but by then you'd have had another 20 or so replies. http://ubbxforums.ubi.com/infopop/emoticons/icon_wink.gif

S! Simon
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Dunkelgrun
07-21-2004, 08:54 AM
ASL - Above Sea Level?
Cheers!

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Dunkelgrun aka 242Sqn_Cat

Zayets
07-21-2004, 09:45 AM
<BLOCKQUOTE class="ip-ubbcode-quote"><font size="-1">quote:</font><HR>Originally posted by Dunkelgrun:
ASL - Above Sea Level?
Cheers!

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http://www.nightbomber.com

Dunkelgrun aka 242Sqn_Cat<HR></BLOCKQUOTE>
Affirmative

Zayets out

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VMF513_Sandman
07-21-2004, 10:18 AM
asl shouldnt be confused with 'agl'..altitude above ground level. and to really pull off an ambush on an enemy ship guarding an airfield that's near a hill in front of said ship, poppin up over a hill under 50' agl will surprize the chit outta the gunners long enough to unload all ur rockets from the forktail. bye bye ship

Yellonet
07-21-2004, 02:12 PM
Above Sea Level ey? always took if for Ar*eloch http://ubbxforums.ubi.com/infopop/emoticons/icon_biggrin.gif


- Yellonet

Taylortony
07-21-2004, 02:45 PM
its all to do with QFE QNH etc
and pressures

if you were to take off from an airfield you would use local air pressure to set the QFE which is Question Field elevation so your altimeter will read zero sitting on the field as that may well be 300ft etc above sea level. therefore if you were using QNH you would have buried it long ago in bad visibilty on finals. Question Nautical Height ie sea level is used as a reference when transiting across country because setting the altimeter to QFE would not give you a correct altitude reading for all mountains etc as they're height on maps are measured as above sea level, now as pressures vary worldwide at sea level and as we have air routes etc we need a standard worldwide pressure to set and this is 1013 mb as that is the International Standard Atmosphere ( At mean sea level (msl), the pressure = 1013.25 hPa and temperature = 15.0 degC ) so every aircraft is operating on the same settings, when you arrive at your destination you then listen to the ATIS (Air Traffic Information Service) and set your altimeter to the presure of the day so your altimeter now reads correct for there runway altitude.

hope that helps

_VR_ScorpionWorm
07-21-2004, 05:59 PM
Wow, Taylortony that is some incredible info, I had no idea, I always thought it was takeoff, fly at Alt that is read out, request landing for airfield and that it. Its amazing what you can learn on these boards. http://ubbxforums.ubi.com/infopop/emoticons/icon_biggrin.gif

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BennyMoore
07-21-2004, 09:18 PM
aeg sex lcotaion???///!111

wayno7777
07-22-2004, 12:30 AM
Don't forget to ask GC for altimeter setting, ie 29.92 inches of mercury. Did 1940's alts have that?

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Any landing you can walk away from is a good one!

lindyman
07-22-2004, 12:43 AM
<BLOCKQUOTE class="ip-ubbcode-quote"><font size="-1">quote:</font><HR>Originally posted by wayno7777:
Don't forget to ask GC for altimeter setting, ie 29.92 inches of mercury. Did 1940's alts have that?
<HR></BLOCKQUOTE>

Of course they did. It'd differ dangerously with weather otherwise. As usual, though, the units will vary. inches of mercury, mBar, hPa, mm mercury. Probably some others as well.

Don't know if they flew on QNH of QFE.
_
/Bjorn.