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Altimeter Setting Use of Radio Altimeter

Altimeter Setting Use of Radio Altimeter




Rate : 5 | View : 4181 | Download : 2708
Date : Wednesday, January 15, 2014 | Release : Thursday, October 10, 2013
Size : 250 kb | Author : Airbus

Altimeter Setting - Use of Radio Altimeter

Flight Operations Briefing Notes



Operators with international routes are exposed to different standards in terms of:
• Altitude measurement, using different units (i.e., feet or meters);
• Altitude reference setting (i.e., baro setting), using different units (i.e., hectoPascal or inch-of-mercury);
• Altitude reference for departure and approach, using QNH or QFE; and,
• Environmental conditions (i.e., rapid atmospheric pressure changes and/or low OAT operation).


This Flight Operations Briefing Note provides a review and discussion of the following aspects, highlighting the lessons learned from incidents / accidents (particularly during approach-and-landing) :
• Barometric-altimeter reference (QNH or QFE);
• Use of different units for altitude measurement and reading (i.e., feet versus meters) and altimeter setting (i.e., In.Hg versus hPa);
• Setting of baro-altimeter bugs (as applicable) and radio-altimeter DH;
• Radio-altimeter callouts; and,
• Low-OAT operation.

Some contents are as follows:

QNH or QFE?, Altimeter-setting Units, Setting the Altimeter Reference, Use of Metric Altitudes, Changing the Altimeter Setting in Climb or Descent, Setting of Barometric-altimeter MDA / DA and Radio-altimeter DH, Radio-altimeter Callouts, Low OAT Operation, Operational and Human Factors Involved in Altimeter-setting Errors, Company Prevention Strategies and Personal Lines-of-Defense etc.

Altimeter Setting - Use of Radio Altimeter :: Member's Comment

comment
lzy16j2gaj@hotmail.com
Thanks Dave Lattimer, It's been a pure joy operating at C65 I love coinmg to work everyday! The Plymouth Municipal Airport is a great place for Helicopter Flight Training!!! http://ooweqj.com [url=http://lmqtcwyewtw.com]lmqtcwyewtw[/url] [link=http://katgjfeerh.com]katgjfeerh[/link]

Date : 3/2/2016 9:17:36 PM

comment
dzo0h6o6@yahoo.com
The real question is just what they are rineaselg. An altimeter is often a fancy name for a pressure sensor... so it's a question of "how fancy" that's important (something I don't see on the Mindsensors page). Chief among these are resolution (what the smallest pressure change that can be measured, or the corresponding smallest altitude change) - and if you want a reasonable resolution, the sensor almost has to be I2C because the 10 bit AtoD converter on the NXt just isn't enough. There's also temperature correction, and total range (what the highest elevation it will measure for instance)?I'm really looking forward to this - I use pressure sensors for physics experiments, water level monitors, altimeters, and if I had one in the proper configuration as an airspeed sensor (Pitot tube). Hopefully this will be a ported sensor, not "just" an altimeter, because if it is, they're throwing away a lot of advantages and possible uses (for both hobby and the educational market).

Date : 2/19/2016 9:04:02 AM


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