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Forum: Private Flying

10th Jan 2017, 14:56

Replies: 50

Pressure settings under a TMA

Views: 12,073

Posted By Jonzarno

Yes. My point wasn't that a GPS altitude is in...

Yes. My point wasn't that a GPS altitude is in some weird way referenced to 1013, but that this is more or less the pressure at which the barometric altitude and the GPS altitude will be the same...

Forum: Private Flying

10th Jan 2017, 13:16

Replies: 50

Pressure settings under a TMA

Views: 12,073

Posted By Jonzarno

For exactly the same reason as why we need Basic,...

For exactly the same reason as why we need Basic, Traffic, Deconfliction and Procedural services which, AFIK, almost nobody outside the UK understands.

You have to accept, Jan, it's not the UK...

Forum: Private Flying

10th Jan 2017, 12:56

Replies: 50

Pressure settings under a TMA

Views: 12,073

Posted By Jonzarno

I think I might be a bit careful using that...

I think I might be a bit careful using that method if planning to fly anywhere near the base of controlled airspace. That altitude measurement equates pretty much to a QNH of 1013. If the real QNH is...

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