Normal ozone concentration is 300-350 DU. Scientists say ozone-destroying substances (ODS) — mostly chlorine and bromine from CFCs and halon — are responsible for ozone depletion, to the extent of 1 ...
Featuring the largest cabin in class, a 45,000 foot ceiling and max cruise speed of 453 knots, the Phenom 300 is the world’s most delivered light jet for twelve years running.
An Allegiant Air Airbus A319-100, registration N312NV performing flight G4-65 from Las Vegas,NV to Rapid City,SD (USA), was climbing out of Las… ...