international flight surveying sytem

real-time monitoring of commercial filghts in progress



data point packet

lat/long, height, heading, pounds of fuel/consumption rate, destination/source city / flight number, type of aircraft

sent at 1-minute intervals



return 
 
height of terrain



checks

current heading [by change in position]
altitude fall rate if any
fuel load/consumption/dist to travel


benefits

location updates for rescue, re-routing, time-to-travel estimates
detection of problems/slow descent

