PilotEdge Forums

Posted: **Thu Apr 17, 2014 2:03 pm**

Keith Smith wrote:Lee,

The magnetic course (082) being calculated by Skyvector doesn't match the 262 radial to POM.

Case in point. ask Skyvector to show you the magnetic course from AMTRA to POM, it gives you an answer of 076 (equates to the 256 radial from POM, you would think). Actually, AMTRA to POM is a victor away defined by the 254 radial from POM (2 degrees different).

If you follow a line along the 262 radial on the sectional chart from POM to the west, you'll see it does indeed cut through the surface Charlie of BUR. So, if you set your OBS to 082 (which is the 262 radial inbound) and tracked it perfectly, you'd go right through the Charlie.

I think you've nailed what I had suspected Keith. I will try to prove this later....thanks all!

Posted: **Sat Apr 19, 2014 11:41 am**

One thing to keep in mind is that pressure altitude is reported in 100 foot increments.
When you are at 2950' your transponder ( actually your encoder ) is reporting 2900'

If you move up to 2951' then your reported pressure altitude will be 3000'

Trying to fly within 50' of a shelf altitude limit is an easy way to bust the limit !!!

Regards,
Bill

Posted: **Sat Apr 19, 2014 4:12 pm**

Narrow corridors are never a good idea.

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