Next time you’re on a flight, download a GPS speedometer app and launch it right before takeoff. You’ll notice that it’ll accurately measure the plane’s speed up to around 500 MPH, before it suddenly stops giving you a speed readout.
Like the other person said, this is to prevent your average dude building a guided missile using an old phone they have lying around.
Next time you’re on a flight, download a GPS speedometer app and launch it right before takeoff. You’ll notice that it’ll accurately measure the plane’s speed up to around 500 MPH, before it suddenly stops giving you a speed readout.
Like the other person said, this is to prevent your average dude building a guided missile using an old phone they have lying around.