http://squawkbox.ca/downloads/
A Utility for On-Line Flyers and Controllers
http://www.avsim.com/hangar/utils/servinfo/downloads.htm
CHEQUEAR HORAS DE VUELO
http://stats.vatsim.net/forcelogin.php
Calculadora de Tiempo y Distancia
http://www.airrouting.com/content/TimeDistanceForm.aspx
http://www.vataware.com/
http://davidmaldonado684.blogspot.com/
http://experimentos.tcavenezuela.com/