Avionics
Pilots Can View Wake Turbulence Alerts on ForeFlight App
The alerts graphically display potential areas of dangerous wakes
ForeFlight wake turbulence alerts
ForeFlight's new feature shows pilots areas of potential danger behind aircraft that may cause wake turbulence.

ForeFlight’s latest update adds in-flight wake turbulence alerts for pilots with Pro Plus and Performance subscriptions while using a Sentry ADS-B In or FLARM device to provide traffic information. The Alerts show as ribbons depicted on the ForeFlight moving map as the user’s aircraft approaches the path of a wake turbulence-generating heavy airplane. 

Audible and visual alerts warn the user about the potential for wake turbulence including distance to the possible encounter. The ribbon is split into cyan and red areas divided by a white line with chevrons showing where the user’s aircraft will intersect with the ribbon. The wake-causing airplane’s ID and relative altitude are also shown. The red portion of the ribbon indicates potential wake turbulence within 100 feet above and 300 feet below the user’s altitude, while the cyan portion indicates an altitude that poses no immediate danger.

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