Precision Runway Monitor
(PRM)
A system that
allows simultaneous, independent IFR approaches. During inclement
weather, airports with parallel runways spaced less than 4,300 feet
apart experience decreased capacity because they cannot conduct
independent simultaneous operations due to existing equipment
limitations.
Aero-Linx: USAF Fact Sheet --
Sonic Boom
Sonic boom is an impulsive noise similar
to thunder. It is caused by an object moving faster than sound --
about 750 miles per hour at sea level. An aircraft traveling
through the atmosphere continuously produces air-pressure waves
similar to the water waves caused by a ship's bow...
"We have worked with Twin Commander operators and our
authorized service centers to anticipate their parts needs through
the end of the year... This will help us manage distribution
of parts so that no one experiences a delay in receiving a needed
part while the move is underway."
Source: Twin Commander Aircraft President
Matt Isley, describing issues to be dealt with in the move of their
operations from the West Coast to the East.
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