MIKE MOSS SAYS: Khalid, I'm not sure I entirely follow the question as written, but an aircraft sitting on the ground at an airport with field elevation 2000 feet above mean sea level will have a ...

Starting July 1st, any planes without retrofitted sensitive radar altimeters across the US can't land in low visibility, a stipulation that could cause delays for travelers, The Wall Street Journal ...

That timeline is probably relatively aggressive considering how slow the aviation industry normally moves... but man, it is scary to think that there are 1000 planes just flying around with faulty ...