An altimeter is an instrument that measures altitude (the distance above sea level or some other chosen point). Aircraft use two different types: the aneroid (barometric) altimeter and the radio altimeter. The aneroid altimeter derives a quantity for...

An altimeter is an active instrument used to measure the altitude of an object above a fixed level. The measurement of altitude is called altimetry, which is related to the term bathymetry, the measurement of depth...

Byline: DAVID WAHLBERG dwahlberg@madison.com 608-252-6125 A faulty altitude detector was cited as a contributing factor in the last fatal crash of the same kind of helicopter owned by the same company as the Med Flight chopper that crashed Saturday night near La...

If polar bears could fly, they would know about cold weather altimeter settings. That's because the correction factors are required at most of the locations where polar bears frequent. Before you warm weather pilots tune out, you too have probably flown to at...

Falling from the sky doesn't feel like it does in a dream. At 11,500 feet, it's more tactile, more unnerving, fast. In less than 13 seconds you hit terminal velocity, about 120 mph, the whooshing air overwhelming other sounds and flapping your...

An American climber is leading an expedition up Mount Everest to resolve the debate about who was the first to scale the world's highest peak.Conrad Anker of Big Oakflag, Calif., and his team are trying to retrace the 1924 climb of George Mallory and Sandy...