Avidyne IFD540 Pilot's Manual page 203

A progress bar will be presented to help provide an idea of how
much longer the upload will take.
Progress Bar
Typical upload times are:
 Worldwide Obstacles (1.5 MB) – 5 sec
 Eastern US Charts (100 MB) – 3min
 US Charts (180 MB) – 5 ½ min
 Worldwide Charts (430 MB) – 13 min
 US Nav Data (8 MB) – 3 ½ min
 Europe Nav Data (10 MB) – 2 ½ min
 Australian Nav Data (1.5 MB) – 30 sec
 Worldwide Nav Data (15 MB) – 7 Min
6-27 General