ForeFlight has an interesting but little-known feature called Cockpit Sharing that allows pilots to quickly share and load flight plans from one device to another when on the same WiFi network. The easiest way to accomplish this in the air is to use a Stratus ADS-B receiver, since it creates its own WiFi network for all the devices to connect to. This feature saves both flight plan entry time and helps reduce errors when two pilots are flying with iPads or iPhones with complicated routing. Here’s how to use it:
1. Enter a flight plan on one of the devices, including route, TAS, fuel burn and altitude.
2. Press the Send To button in the lower right corner of the route editor.
3. Select the name of the device with which you’d like to share the flight plan from the bottom of the list.
4. The second device will display an alert asking if you want to view the route. Press the View Route button to load and activate that flight plan.
Source: Ipad appsForeFlight Tip: how to use cockpit sharing