What are the RAIM requirements?

What are the RAIM requirements? Receiver autonomous integrity monitoring (RAIM) provides integrity monitoring of GPS for aviation applications. In order for a GPS receiver to perform RAIM or fault detection (FD) function, a minimum of five visible satellites with satisfactory geometry must be visible to it. Do you need RAIM Read more…

Is the descent scary?

Is the descent scary? The scariest film of the early aughts is The Descent – more pop-outs than an outie bellybutton convention, just-been-winded feelings of breathless, lung-aching claustrophobia, and just try and look at a cave, tunnel or dark hole in the same way again post-watch. I dare you. Are Read more…

What is bidirectional nystagmus?

What is bidirectional nystagmus? Bidirectional nystagmus, I.E fast component to the right with rightward gaze and to the left with leftward gaze, is concerning for a central process, as is vertical nystagmus or pure torsional nystagmus. What is bilateral nystagmus? Nystagmus is a vision condition in which the eyes make Read more…