Precision Approach Path Indicator (PAPI) An airport lighting facility in the terminal area used under Visual Flight Rules conditions. It is a single row of two to four lights, radiating high intensity red or white beams to indicate whether the pilot is above or below the required runway approach path.

Aero-Linx: Greg Poe Airshows There are few people, these days, that aren't QUITE familiar with the name of airshow pilot, Greg Poe.

"Never before has the U.S. Government approved an anti-trust immunity application where barriers to entry are so significant that any new meaningful competitive entry is virtually impossible. Take-off and landing slots at London's Heathrow Airport are scarce and virtually impossible to obtain at times required for competitive transatlantic services. In the rare instances that slots become available, they are prohibitively expensive for airlines in good economic times and out-of-reach in challenging ones." Source: Sir Richard Branson, the founder and President of Virgin Atlantic  -- writing to Barack Obama to warn of what he says are dangers to consumers if British Airways and American Airlines are allowed to effectively merge.