Flight Crew Air Transport Pilot (ATP)
Flight Crew Total 6612; Flight Crew Type 1733
Aircraft Equipment Problem Less Severe
Equipment / Tooling
During flight; I was trying to look at the map on the iPad to get info and while trying to close in on the area; it froze up and I could not change the picture to get the information I wanted. Also after landing; my iPad does not switch to the taxi diagram even though it is selected and this time it had timed out so when I was given complicated taxi directions after getting clear of the runway; my iPad wasn't available and I had to rely totally on the First Officer's for directions.
B747 Captain reported iPad malfunctions in flight and during taxi.