29.92

[juanca]

I'm from Honduras....

Depart from Toncontin Intl.;  
ATIS tells me  altimeter is 29.92;
I flew to Mexico and the ATIS again gave me Altimeter 29.92 ,
then i flew to KMIA and guess  what was the altimeter.......29.92

I noticed this flying to Mexico cause I saw land really close and I was at my cruise altitude. and I almost crashed with a mountain.....

any comments or suggestions???
Please


Juanca

[Nexus]

yes, fly with real world weather enabled.

[juanca]

can anyone please tell me why the millibar dont change?
29.92  even at everest the altimeter is 29.92!!!!!!!!!!!

[WebbPA]

29.92 is used to calibrate your altimeter.  It equals sea level air pressure at your location.

Your altimeter will calculate your altitude based upon an assumed sea level pressure of 29.92.

[juanca]

Yes I have an Idea on what the millibars in the altimeter are used for,  my question is.. why dont it change.
Its the same everywhere.

Now I'm no pilot, but I'm sure  that the airpressure changes  if I'm in Mexico or if I'm in Miami

And  ATIS (for each reagion) keeps giving an altimeter of 29.92 wether I'm in Peru or Khagkagstan!!!!!!!

Please tell me if I'm wrong, but dont you have  to manually calibrate the altimeter so that you dont have false altimeter readings every airport you intend to land.
or else you'll be hittin groung a lot sooner of later  than you thought

Because all airports are at different altitudes an so diferent air pressure ( calibration is a must)
But in this vrtual world 29.92 is everywhere.......

[WebbPA]

It is the same everywhere because you use default weather settings.  If you download real world weather you will see changes.

[YodaNYC]

Webb is correct.  When you set up a flight in the flight planner, make sure to change the current weather conditions to real world weather.  During your flight at altitudes below FL180, ATC will update you as to the current altimeter setting.  You should also program the ATIS frequency of your arrival airport into the COMM radio so that you can up to date altimeter settings and weather conditions.  Using real worl weather also allows you to use all runways depending on the wind conditions.

[Gogi]

What is 29.92, 29.91, 29...... mean?

[WebbPA]

http://www.usatoday.com/weather/resourc ... aqpres.htm

[garymbuska]

[quote][/quote]What is 29.92, 29.91, 29...... mean?  


It is the barometric pressure 29.92 is usually a clear sky. As the number goes down is when you have to worry the lower the number the worst the weather gets this is a low pressure system. Hurricanes & thyphons are the worst of the low pressure systems.

[Gogi]

Ok I'm just not used to inches and miles.
meters, santimeters, kilometers

[WebbPA]

A little strange from a Texan, but you could re-set the functions to European measurements - if millibars would suit you better than inches of mercury.

[Gogi]

A little strange from a Texan, but you could re-set the functions to European measurements - if millibars would suit you better than inches of mercury.

that way i'll be more confused then now already



I'm not a really Texan, I just live there or here.
I'm from Russia.