2 aircraft cleared onto the same runway at the same time

On 3/25/2005 10:42 PM, Newps wrote the following:


Roy Smith wrote:




Hi Tom. That's a common trick the tower uses at HPN to get multiple
departures out quicker. I get it every once in a while. I can't say
for sure, but I suspect it's only possible when one of the flights is
VFR.


IFR or VFR is not relavant.

Separation requirements make the crowding-onto-the-runway exercise unnecessary
if both flights are IFR, as the local controller would have plenty of time to
taxi the second IFR guy onto the runway before the second flight could be
released anyway.

Mitty wrote:




IFR or VFR is not relavant.


Separation requirements make the crowding-onto-the-runway exercise
unnecessary if both flights are IFR, as the local controller would have
plenty of time to taxi the second IFR guy onto the runway before the
second flight could be released anyway.

You need 3000 feet between two single engine aircraft for your runway
separation and then 15 degrees divergence for your IFR separation.