Sikorsky S61N Performance Planning data on your wrist or your phone. Just flip your wrist and see how much power you will have for takeoff. Shows both OGE and IGE. Want a 500 pound power margin? No problem, just set the margin and the weight will turn yellow when inside your margin, green with plenty of margin and red if you are over gross weight.

Features:
Aircraft Library lets you store multiple aircrafts weights
GPS Altitude automatically updates
Custom set power margin in the iPhone app that transfers to your watch!
Data entered on your iPhone transfers to your watch

This app is for use as a training aid, Pilots are still responsible to check all data and comply with all FAR and RFM limits and requirements!