QNH is the local altimeter setting, causing the altimeter to read field elevation on the ground; QNE (pressure altitude) is used above transition altitude (18,000 feet MSL in the US/Canada), set at 29 ...

This is a preview. Log in through your library . Abstract Decompression sickness is an illness which occurs in divers and caisson workers on return to normal atmospheric pressure after working at very ...

All of us have experienced the effects of changing weather conditions on the performance of our hot rods. The car feels stronger near the coast on a cold day, yet it gets lazy as the ambient ...