we are 25 miles west of London ...
( where are we ? )
moving west at 35 mph
( direction and speed of movement )
500 yards ahead at our 11 oclock
( distance and direction to destination )
ETA is 1130 in 5 minutes
( Expected Time of Arrival )
altitude is 650 feet, climbing at 20fpm
( altitude and rate of climb or descent)
we are near school, on our left
( calling out landmarks as we pass )

