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This is a ridiculous question on so many levels. Your friend got the answer correct - evidently CASA has it wrong. Have a look at Although this ma...

The relative humidity inside the cabin of a pressurised airliner is always going to be very low. The reason for this is that the outside air temperat...

Thanks Bob. The way I read para 58.3.2 is that it only applies to IFR flights. Doesn't this still leave VFR flights in the wilderness of requiring a...

Yep, but CASA get a fair number wrong too. And to appeal costs you $$$. Fair, not fair?

Peace indeed Bob! Refer all pilots to AIP ENR 1.1 para 12.3. Clearance is required under the auspices of this direction. The pilot states [b]...

See also AIP ENR 1.4 para 3.3 The phraseology is flawed, IMHO, however it describes the broadcast area as 5,000' AMSL.

Rich makes the important distinction here. The [b][u]proportion[/u][/b] of the crosswind will increase. It would be so nice if the questions that ar...

Thanks Bob, I will follow this discussion with interest. I had a chat with my instructor yesterday about when it is appropriate to monitor the CTAF f...

Look at the dates. If flying VFR with an ETA after 2130 on the 25th UTC you will require 60 minutes holding for the TEMPO (ignore the INTER as it is ...

Microbursts are dangerous, have no illusions. They are most common in a dry lower layer with moist air above. This is most often evidenced by the ph...

I think the clue here is the cloud type, not the temperature. Altocumulus are composed of very small droplets of supercooled water. The size of the ...

For others following this, I have found a reference in the AIP to the old 5,000' rule. Have a read of ENR 1.4 para 3.3.

My understanding of grey out/black out in high positive G is that it is related to blood pressure. Our hearts have evolved to pump blood at the requi...