Delta Virtual Airlines Water Cooler | Airline Operations |
Flight Director, Proj Open Sky B757-200 |
DVA2307
Captain, DC-6
Joined on April 28 2005
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"Slow is smooth, and smooth is fast..." Bigelow, AR
637 legs, 1,424.0 hours
363 legs,
546.1 hours online 363 legs,
979.2 hours ACARS 4 legs,
5.7 hours event
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Posted onPost created on
April 30 2005 05:26 ET by James Rice
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I can't make the FD in my 757 fly an approach. I select APP and it starts trying to kill my passengers. Also, it won't track FROM a VOR station in NAV, it tries to turn back around and fly TO the station.
It's no problem hand flying the ILS, but I'd like to get it working. I'm just wondering if this is a known issue or if my buttonology is screwed up
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DVA601
Senior Captain, B757-200
Joined on June 13 2002
Online Century Club
Triple Century Club
Northeastern United States
380 legs, 833.2 hours
120 legs,
215.9 hours online 120 legs,
234.5 hours ACARS
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Posted onPost created on
April 30 2005 09:00 ET by David Shartzer
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The flight director doesn't actually fly the aircraft. That's the autopilot's and your job. The flight director just gives visual cues so you know where to fly the aircraft. To get the 757 to fly the ILS (autoland) you have to have both autopilot cmd buttons selected. To fly your flight plan select the GPS button then hit the NAV button and it should fly your route.
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DVA2307
Captain, DC-6
Joined on April 28 2005
Quad-Jet Quartermaster
50 State Club
Globetrotter
DVA Ten-Year Anniversary
Black Pearl Club
Online Triple Century Club
Six Century Club
Everett 250 Club
"Slow is smooth, and smooth is fast..." Bigelow, AR
637 legs, 1,424.0 hours
363 legs,
546.1 hours online 363 legs,
979.2 hours ACARS 4 legs,
5.7 hours event
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Posted onPost created on
April 30 2005 11:47 ET by James Rice
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CAT II and III, I think not having the second CMD button pushed is the problem. I still cant figure out why it wont track outbound from a VOR. I'm probably missing another button somewhere.
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DVA2307
Captain, DC-6
Joined on April 28 2005
Quad-Jet Quartermaster
50 State Club
Globetrotter
DVA Ten-Year Anniversary
Black Pearl Club
Online Triple Century Club
Six Century Club
Everett 250 Club
"Slow is smooth, and smooth is fast..." Bigelow, AR
637 legs, 1,424.0 hours
363 legs,
546.1 hours online 363 legs,
979.2 hours ACARS 4 legs,
5.7 hours event
|
Posted onPost created on
May 01 2005 14:41 ET by James Rice
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I need some help with this.
I have both A/P CMD buttons pushed and FD switched on. My AUTOLAND test always reads "NO AUTOLAND." Obviously, that means it aint working. But I'll list what it does do below for troubleshooting purposes. Maybe one of you can figure out what I'm doing wrong.
No matter what direction I attempt to capture the localizer and glideslope from, my Project Open Sky 757-200 that I downloaded from this very site pulls up into a steep climb and makes a right turn. I can line the needles up for it and be in a stabilized descent and it won't capture after selecting APP (approach) on the A/P control panel. It does the same thing if I try and track a radial off a VOR. TO, FROM, doesn't matter. I line it up manually, hit NAV, and off she goes. The only A/P features I can get to work are the HDG, ALT HOLD, VERT SPEED, and IAS/MACH.
I've scanned the panel 100 times looking for another switch to throw to make the thing work. I've checked the overhead, and have everything I could find to turn on, turned on. I've checked every subpanel also.
Gents I'm at a loss. I can get the aircraft that came standard with FS9 to fly CATII and III with no problem at all. What am I missing here? And are you guys flying the same 757 that I am? Am I supposed to plug some information into the flight data system?
I've looked through the company 757 manual and it doesn't address the AUTOLAND system. I don't know where else to look.
Any help you could give would be much appreciated. I'm really stumped. I don't need the system now, but come winter that fog at MCO can get mighty thick at night, and I'll need to be able to fly the CATIII.
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DVA2307
Captain, DC-6
Joined on April 28 2005
Quad-Jet Quartermaster
50 State Club
Globetrotter
DVA Ten-Year Anniversary
Black Pearl Club
Online Triple Century Club
Six Century Club
Everett 250 Club
"Slow is smooth, and smooth is fast..." Bigelow, AR
637 legs, 1,424.0 hours
363 legs,
546.1 hours online 363 legs,
979.2 hours ACARS 4 legs,
5.7 hours event
|
Posted onPost created on
May 02 2005 04:00 ET by James Rice
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Ok I figured out what is going on.
Regardless of how I have my switches set, when I go from HDG to NAV or APP on the A/P, it is taking commands from the GPS. It tries to fly to the last fix that is in the GPS even though the GPS is not selected. I can take off and never select GPS or enter anything new into it and the A/P will begin taking commands from it in any mode other than HDG.
I never have liked flying coupled GPS approaches, I'd rather set up and fly the ILS since in the real world you're more than likely going to be vectored to the final approach course.
So, how does one turn the darn GPS off, or deselect it? Clearing it out might do the trick too I guess, but I couldn't find a way to make it stop navigating.
Ideas anyone?
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DVA2307
Captain, DC-6
Joined on April 28 2005
Quad-Jet Quartermaster
50 State Club
Globetrotter
DVA Ten-Year Anniversary
Black Pearl Club
Online Triple Century Club
Six Century Club
Everett 250 Club
"Slow is smooth, and smooth is fast..." Bigelow, AR
637 legs, 1,424.0 hours
363 legs,
546.1 hours online 363 legs,
979.2 hours ACARS 4 legs,
5.7 hours event
|
Posted onPost created on
May 02 2005 04:37 ET by James Rice
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It's a Journey of Self Discovery...
The GPS and NAV buttons on the A/P in the Project Open Sky 757 don't actually uncouple the aircraft from the GPS.
So, before takeoff my last hop, I switched into a 737 and moved the switch from GPS back to NAV. Then I changed back into the 757.
I took off from MCO (and told the PNF that if he touched that GPS button I'd break his finger...) and set up for the CATIII to RWY 35. The A/P flew the approach beautifully, just like it should.
Any of you panel guru's want to patch the 757 panel for people that have learning curves that go straight down?
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DVA601
Senior Captain, B757-200
Joined on June 13 2002
Online Century Club
Triple Century Club
Northeastern United States
380 legs, 833.2 hours
120 legs,
215.9 hours online 120 legs,
234.5 hours ACARS
|
Posted onPost created on
May 02 2005 08:29 ET by David Shartzer
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I wouldn't know what to say here as I've never had any of the problems you're describing here. I usually take off, hand fly it to 10k then hit the GPS and NAV buttons and let the autopilot do its thing. I usually hand fly it below 10K on approach unless weather is really crappy.
Be sure you have the ILS freqs in both NAV stacks when you hit the APP button. Set both CMD buttons, but if you're well below the glideslope it will chase the needles around. You have to be right on or slightly below the glideslope. I know that sometimes the AI ATC will have you at min alt before the app plate so, if I know that I'm using autoland, I go by the app plate and not AI ATC.
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DVA2307
Captain, DC-6
Joined on April 28 2005
Quad-Jet Quartermaster
50 State Club
Globetrotter
DVA Ten-Year Anniversary
Black Pearl Club
Online Triple Century Club
Six Century Club
Everett 250 Club
"Slow is smooth, and smooth is fast..." Bigelow, AR
637 legs, 1,424.0 hours
363 legs,
546.1 hours online 363 legs,
979.2 hours ACARS 4 legs,
5.7 hours event
|
Posted onPost created on
May 02 2005 09:51 ET by James Rice
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Well you may have never gotten into your 757 from another aircraft model that had a NAV/GPS select switch for the HSI, a la 737, etc. Since swapping that switch over, my machine is flying just like yours.
My default flight is a Beech Baron, and the switch was set to GPS on the panel. So, every time I swapped over to the 757 for a hop I was setting myself up again for trouble. I've since saved that default flight with the switch set to NAV, and that has kept any pesky flight excursions away.
I suspected it was my buttonology all along, I just had to find the button
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DVA1994
Captain, B737-800
Joined on October 30 2004
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"Every Day Is A Gift" Concord, NH
682 legs, 1,551.2 hours
301 legs,
859.8 hours online 495 legs,
951.2 hours ACARS 28 legs,
93.7 hours event
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Posted onPost created on
June 11 2005 08:38 ET by Tom Burrill
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I fly the 757 and 767 quite alot while using the Lonny Payne panel as downloaded from the Delta VA web site.
Over a number of flights I have found that the autoland feature does work well so long as some planning ahead goes into using it. First I was sure of making autopilot assisted ILS approaches by hand to be familiar with the 757 handling characteristics. As I fly many other aircaraft in different venues which handle differently.
Based on this expereince and advice obtained from the water cooler. I make sure that I am lined up according to the vectors given me by ATC or on a slight angle to the ILS heading. I also reamin accurate on either the altitude provided by ATC or the approach plate. Also I activate the approach functioin a good 15 miles or more out thus allowing time for the autopilot to engage with the slope and get on track. It normally turns off course several degrees and then back stabilizing on course. Watch your altitude to be sure that you stay on the glide slope as at times I have seen a good heading with no descent included. In this case I adjust altitude mannually by reactiving the altiude hold button and dialing in the proper glideslope altitude.
Aslso the heading must match with the ILS published heading so be sure that the course selection heading is selected corrrectly on the panel. If there is no course selectioin window then adjust your heading in the heading window. This sets the plane up ahead for any problems you may have.
I have found that the basic navigation charactersitics in FS 9 allow for the plane to track to the station directly no matter where you are located. So if the aircraft is located properly according to the ILS approach plate it will track to the station properly the largest majority of the time.
I use FS NaV the majority of the time and found it to be an excellent tool to gain prficiecy with ILS approaches.
Tom BurrillCaptain, B737-800
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