Aeronav
The federal aviation administration is responsible for the safety of civil aviation.
http://aeronav.faa.gov/index.asp?xml=aeronav/applications/VFR/chartlist_sect
Airnav
Up-to-date airport and fuel prices information. communication frequencies, navigation and runway details. extensive listing of fbo services and features, plus contacts. browse by identifier and any geographic element
http://www.airnav.com/airports
Usatoday
Usa today's music charts: week of march 26...
http://www.usatoday.com/life/music/airplay-charts.htm
Allcharts
Official usa top singles. weekly updated chart.
http://allcharts.org/music/usa/singles.htm
Billboard
The billboard top 100 music chart lets you discover the latest top 100 hits, while keeping tabs on your favorite artists. visit billboard.com and check out the top 100 songs.
http://www.billboard.com/charts/hot-100
Top40 Charts
Usa singles top 40 on top40 charts. top40-charts.com provides music charts from all over the world, like us / uk albums and singles, bilboard chart, dance charts and more. read the latest music news on rock, pop, country, jazz, rap, hip hop and more, get ringtones and lyrics.
http://top40-charts.com/chart.php?cid=27
MTV Charts
Follow mtv and billboard top 20 videos, artist, singles and albums, check back every week to see which of your favorite artists are topping the charts.
http://www.mtv.com/charts/