On Jun 29, 10:56*am, Mxsmanic wrote:
What are the main things I have to give special consideration to when
preparing to fly in very hot weather (43° C)?

Dehydration is the main one, I take a six pack for every planned
flight hour, including reserves, and just a can for taxi allowance
either end. And dont forget to include them in your weight and
balance.
Terry
PPL Downunder