Overheats and shuts down in a hot cockpit. The Memory-Map application for the iPad is grossly inferior to that used on other platform; as a photo manager its nigh on useless with its clunky operation. The thing is constipated, you can't get anything out of or even into it with any degree of ease. Probably the most disappointing bit of electronics I have ever owned. Like a Ferrari with its wheels welded together. An expensive Kindle!