I can understand why Astrogate and Pilot arent in, though. If you failed a check either the trip would take much longer or some mishap would occur disrupting the journey, possibly throwing you into some other sector of space, causing damage to the ship, having no jump occur, hyperdrive failure, or causing a collision with a gravity well (for astrogate). For pilot, the ship would simply not take off. You would have to repeat the check until you succeeded. For someone with a low pilot skill rank, this could be a very long time. Games are supposed to be fun, not obnoxious. Also, some of these things simply cannot be programmed, especially being thrown off course - unless you want to have the ship arrive safely at another world from the one you were trying to reach, in a game of limited scope. This is not reality or pnp.