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Reader Comments (Page 1 of 1)
5-02-2008 @ 6:10PM
Kent Wien said...
Good question. The Cat III autoland feature works using three autopilots engaged at the same time while tracking an ILS (instrument landing system). Think of an ILS as a radio beam that the airplane tracks while on the final approach. This really only applies for the last 3 to 4 miles or so.
ATC simply clears you for the approach, after which you engage the three autopilots and intercept the ILS.
The programming happens much closer into the airport after you are told which runway is in use.