To learn how this is done, researchers first observe the normal flight paths of the insects.
VOA: special.2010.04.27
At Hartsfield International Airport in Atlanta, Delta Airlines was operating at about 13 percent of its normalflight schedule Thursday night and Friday morning.
For those who have not, it is a condition of flight in which lift is reduced to such an extent that normalflight ceases and the aircraft becomes a brick.
The German airline, Lufthansa, received its award for being the first carrier to test biofuel in normalflight operations and greening everything from its engine-cleaning routine to cabin equipment, resulting in a full 23 percent emissions reduction.