Fig.20 Real trajectory (black) performed by DAL1888 and optimized trajectories (waypoints blue and red

Fig.20 Real trajectory (black) performed by DAL1888 and optimized trajectories (waypoints blue and red)

6.2.2 Test Case 2

In this first test case is considered the real trajectory (downloaded from flightaware archive) of an A320 (DAL1760) in climb phase in real weather conditions (downloaded from NOAA archive). In the following paragraphs, the emissions associated to the real aircraft trajectory and the trajectories optimized in accordance to different criteria are provided and compared. An A320, DAL1760 emissions in climb phase in real weather conditions. The considered trajectory is originated from Minneapolis/St Paul International Airport (KMSP) (44.88°, -93.22°) on June 18th 2012 at about 03 a.m. (UTC): DAL1760. It is considered the climb phase, until cruise flight level is reached. We consider the aircraft weights equal to 64000 kg.

6.2.2.1 Meteorological data

Meteorological data are RAP data of June 18th, 2012 at 03.00 am (UTC) (available here: http://motherlode.ucar.edu:8080/thredds/catalog/fmrc/NCEP/RAP/CONUS_20km/files/c atalog.html). Wind speed and direction at altitude equal to about 3000 m and 8000 m are depicted in the following figures.