http://www.aviationconsumer.com/issues/41_12/accessories/6096-1.html - for the full article.  May be subscribers only.

After flying with iPads and iPhones ourselves and talking to many pilots who also do, we’ve concluded there are those who’ve had the internal GPS lose its location—and those who will.

The issue isn't accuracy, so much as reliability. Some apps purposely don'€™t offer



items like georeferenced approach plates because they don'€™t trust the GPS.

But that may all change. There are add-on GPS units for the iPad/iPhone hitting the market. Two of the first are the plug-in Bad Elf and the Bluetooth GNS 5870 MFI.

Short story: They ’re both far more reliable than the built-in GPS. In our testing, we never saw a loss of GPS position with the GNS 5780 and we only saw a loss with the Bad Elf after repeatedly switching apps while flying. The Bad Elf can be reset in the air by unplugging and replugging the unit into the bottom of the iPad. It reacquired satellites within three minutes. Because the iPad/iPhone GPS is aided by the cell network it sometimes won'€™t reset at all in the air.

Regards
Geoff



On 8/05/2011 12:55 PM, Adam Woolley wrote:
This sounds good!  http://www.winpilot.com/
 
“We are developing version of WinPilot for the Apple iPhone, and Apple iPad. These should be available later this year.”
 
Does the iPad have a port where it can get data from an external GPS, or do you expect the above will be done from it’s own source?
 
 
WPP
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