FMS/FMC in the 747-100/200/300
Join Date: Aug 2001
Location: Minneapolis, MN,USA.
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The 747-100 and early -7F models of the 747-200 didn't have anything except the autopilots and a very Mark 1 Autothrottle. The later -7Q and -7r powered 747-200/300's had a Performance Management System (PMS) retrofit that worked OK if the EPR and CADC interfaces were working as published.
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Join Date: Jan 2002
Location: Chicago
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PMS would just measure performance, how about flying to waypoints, navaids- was everything done manually?. .. .Also what about approaches, could you do a coupled approach or not?
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Join Date: Jan 2002
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Thanks for the reply twistedenginestarter. I had it all wrong about the FMS. I just assumed some things like the coupled approaches - but as my coach would say, "Never assume because it makes an ass out of U and ME."
Join Date: Feb 2000
Location: Sydney,NSW, Australia
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The classic 2/300's I fly don't have a PMS or FMC. Just the good old carousel IV INS.. . This highly advanced unit has some desirable features, like built in track offset.
Join Date: Jan 2002
Location: Brisbane, Australia
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Yes, but unfortunately, you have to also type in EVERY single waypoint, with a maximum of 9 each time.. .In this day and age, with aircraft flying at Mach .86, but that's another story, we still have flight plans with under 10 minutes between waypoints, in a relatively straight line, where the local ATC want us to report, I really can't imagine why, with estimates given for each one well in advance, ahh, am I talking about Indian airspace again, silly me!. .With the capability of only 9 waypoints, it certainly keeps you busy.. .Cheers!
