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Automatic Aircraft Handlers?  
User currently offlineVIflyer From US Virgin Islands, joined May 1999, 500 posts, RR: 0
Posted (14 years 10 months 3 weeks 9 hours ago) and read 703 times:

I traveled to Portland,OR (PDX) on America West, anyway I noticed as my aircraft taxied in to park at the gate that there were no signalmen on the tarmac to guide the plane in. I also noticed that at some of the gates at PDX had what looked to me like some type of automatic guidance system. Could someone explain this system to me and what other airports you've noticed it at???


I reject your reality and subsitute my own
1 replies: All unread, jump to last
 
User currently offline24291 From , joined Dec 1969, posts, RR:
Reply 1, posted (14 years 10 months 2 weeks 5 days 12 hours ago) and read 672 times:

At gates with automatic systems, there are metal wires embedded in the ramp at strategic points that sense the nose gear as it rolls up the yellow line. It is similar to the triggering method used for traffic lights at intersections throughout the U.S.

Position data is then sent to a box positioned directly in front of the aircraft in good view of the pilots. There are lights which indicate the aircraft is off center and others which illuminate in sequence for final positioning of the aircraft. Also, before the aircraft arrives, personnel must enter the aircraft type, using a selector-type switch. The A/C type is then displayed for the pilots so they can be assured that the system is tuned for the correct aircraft type.

America West's original T4 concourses at Phoenix have this system installed, although they are no longer used. They proved to be less reliable than human beings.

They can be handy for 747s and other aircraft with high cockpits because as planes get larger, it becomes increasingly difficult for visual contact between ground personnel and the flight deck.


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