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HSI VOR Problem (Read 11809 times)

boeing247 Senior Member Offline Pilots: Looking down on people since 1903 Posts: 1506 Location: Southern CA Joined: Feb 23^rd, 2011 Gender:	HSI VOR Problem May 14^th, 2011 at 2:07am	Print Post
	I was flying VOR to VOR in a 727-200, and everything was working fine; then, I reached my next waypoint and tuned the VHF Nav (both radios, just to be sure) to the next VOR station. Everything appeared to still be working, but then ATC vectored me to the right, even though the HSI said I should be flying left to intercept the VOR. I checked the GPS and it said that I was way to the left of the VOR course. Am I doing something wrong, or is my HSI messed up? Thanks, boeing247

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Markoz CS Team Offline Posts: 12445 Location: Victoria, Australia Joined: Apr 24^th, 2009 Gender:	Re: HSI VOR Problem Reply #1 - May 14^th, 2011 at 5:13am	Print Post
	Not knowing the exact circumstances for that stage of your flight, I can't say. As for the ATC in FSX is nothing short of crazy. The ATC is always giving me crazy or downright stupid instructions. Ever had this happen? ATC tells you to exit the runway at the next taxiway. So you do. Then, when you contact the ground controller they tell you to backtrack to another taxiway on the other side of the runway because that's where the Gate is? Why doesn't the ATC ask us to use the next taxiway to the right or left in first place? That's how crazy they can be! Mark

	Mark Fletcher PC: i7 10700K @3.8/5.1GHz \| 64GB DDR4 3200 \| 12GB RTX 4070 Super \| 32" LCD Monitor \| 1TB SSD + 2TB SSD + 2TB HDD \| Win 11 Pro
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boeing247 Senior Member Offline Pilots: Looking down on people since 1903 Posts: 1506 Location: Southern CA Joined: Feb 23^rd, 2011 Gender:	Re: HSI VOR Problem Reply #2 - May 14^th, 2011 at 5:40am	Print Post
	Believe it or not, the ATC was actually vectoring me correctly (I was pretty far off course, so they were taking me back on course). What kind of circumstances do you want? I saved the flight so I can just check. Do you mean altitude, speed, etc... or instrument settings?

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Markoz CS Team Offline Posts: 12445 Location: Victoria, Australia Joined: Apr 24^th, 2009 Gender:	Re: HSI VOR Problem Reply #3 - May 14^th, 2011 at 10:43am	Print Post
	What VOR were you tracking? Maybe you had the wrong frequency programmed into the NAV radio causing you to be going off course rather than tracking the correct VOR. That's the only thing I can really think that would cause that to happen. Unless, like you say, the HSI is messed up. I haven't seen anyone else mention having this problem. As for the ATC. I was just having a gripe about it. I did an IFR flight yesterday, and the ATC had been driving me nuts during the flight. Mark

	Mark Fletcher PC: i7 10700K @3.8/5.1GHz \| 64GB DDR4 3200 \| 12GB RTX 4070 Super \| 32" LCD Monitor \| 1TB SSD + 2TB SSD + 2TB HDD \| Win 11 Pro
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boeing247 Senior Member Offline Pilots: Looking down on people since 1903 Posts: 1506 Location: Southern CA Joined: Feb 23^rd, 2011 Gender:	Re: HSI VOR Problem Reply #4 - May 14^th, 2011 at 3:50pm	Print Post
	I do agree about the ATC, though. Usually their giving me all sorts of crap directions, but on this particular flight, they seemed to be doing just fine. I'll run FSX later and look up my navigation data. I'm now wondering if I looked at the wrong frequency in my NavLog... Is there a "Reset HSI" function like there is for the Altimeter ("The altimeter is set incorrectly, press B to set...")?

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Markoz CS Team Offline Posts: 12445 Location: Victoria, Australia Joined: Apr 24^th, 2009 Gender:	Re: HSI VOR Problem Reply #5 - May 14^th, 2011 at 6:30pm	Print Post
	It is so easy to set a wrong number for the Vor you want to track. I've done it more times than I care to remember. I always check the number a few times after entering the frequency. But somehow, I can still get it wrong. It's usually because I have looked at the wrong frequency. Mark

	Mark Fletcher PC: i7 10700K @3.8/5.1GHz \| 64GB DDR4 3200 \| 12GB RTX 4070 Super \| 32" LCD Monitor \| 1TB SSD + 2TB SSD + 2TB HDD \| Win 11 Pro
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boeing247 Senior Member Offline Pilots: Looking down on people since 1903 Posts: 1506 Location: Southern CA Joined: Feb 23^rd, 2011 Gender:	Re: HSI VOR Problem Reply #6 - May 14^th, 2011 at 10:04pm	Print Post
	Here are some shots of the systems pertaining to VOR navigation (I included the GPS to show the aircraft's true location).

	HSI_GPS.JPG (Attachment deleted) -Bram Osterhout&&&&&&&&Dell XPS 8300 \| Windows 7 64 Bit \| AMD Radeon HD 6770 \| Intel i7-2600 @ 3.40GHz \| 1000GB Hard Drive
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boeing247 Senior Member Offline Pilots: Looking down on people since 1903 Posts: 1506 Location: Southern CA Joined: Feb 23^rd, 2011 Gender:	Re: HSI VOR Problem Reply #7 - May 14^th, 2011 at 10:06pm	Print Post
	Here's the VHF radios:

	VHF.JPG (Attachment deleted) -Bram Osterhout&&&&&&&&Dell XPS 8300 \| Windows 7 64 Bit \| AMD Radeon HD 6770 \| Intel i7-2600 @ 3.40GHz \| 1000GB Hard Drive
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boeing247 Senior Member Offline Pilots: Looking down on people since 1903 Posts: 1506 Location: Southern CA Joined: Feb 23^rd, 2011 Gender:	Re: HSI VOR Problem Reply #8 - May 14^th, 2011 at 10:06pm	Print Post
	Here's the navlog entry for the next waypoint:

	Navlog.JPG (Attachment deleted) -Bram Osterhout&&&&&&&&Dell XPS 8300 \| Windows 7 64 Bit \| AMD Radeon HD 6770 \| Intel i7-2600 @ 3.40GHz \| 1000GB Hard Drive
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Markoz CS Team Offline Posts: 12445 Location: Victoria, Australia Joined: Apr 24^th, 2009 Gender:	Re: HSI VOR Problem Reply #9 - May 15^th, 2011 at 4:27am	Print Post
	boeing247 wrote on May 14^th, 2011 at 10:06pm: Here's the navlog entry for the next waypoint: Are you absolutely sure that you were receiving the signal from the VOR? 166nm might have been too far. I know that it shouldn't be. The normal range is ~200nm for the VOR. Aan it should have been in range because you were doing a VOR to VOR flight plan. Mark

	Mark Fletcher PC: i7 10700K @3.8/5.1GHz \| 64GB DDR4 3200 \| 12GB RTX 4070 Super \| 32" LCD Monitor \| 1TB SSD + 2TB SSD + 2TB HDD \| Win 11 Pro
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boeing247 Senior Member Offline Pilots: Looking down on people since 1903 Posts: 1506 Location: Southern CA Joined: Feb 23^rd, 2011 Gender:	Re: HSI VOR Problem Reply #10 - May 15^th, 2011 at 4:44am	Print Post
	I'm pretty sure that I was receiving the signal, because the HSI is displaying that I'm off course. I flew a different aircraft later VOR to VOR and I had that issue (not receiving a signal), though. However, with that plane, the HSI was saying that I was on course, no matter what heading I chose.

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Markoz CS Team Offline Posts: 12445 Location: Victoria, Australia Joined: Apr 24^th, 2009 Gender:	Re: HSI VOR Problem Reply #11 - May 15^th, 2011 at 4:54am	Print Post
	Can you post the flight plan details please. I want to fly it myself and see if it happens to me. Ewww. Another ATC flight to do! Mark

	Mark Fletcher PC: i7 10700K @3.8/5.1GHz \| 64GB DDR4 3200 \| 12GB RTX 4070 Super \| 32" LCD Monitor \| 1TB SSD + 2TB SSD + 2TB HDD \| Win 11 Pro
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boeing247 Senior Member Offline Pilots: Looking down on people since 1903 Posts: 1506 Location: Southern CA Joined: Feb 23^rd, 2011 Gender:	Re: HSI VOR Problem Reply #12 - May 15^th, 2011 at 5:00am	Print Post
	I'll email you the .pln file.

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Markoz CS Team Offline Posts: 12445 Location: Victoria, Australia Joined: Apr 24^th, 2009 Gender:	Re: HSI VOR Problem Reply #13 - May 15^th, 2011 at 5:30am	Print Post
	OK. Edited: Got your email. I'll do your flight as soon as I finish my current flight.

	Mark Fletcher PC: i7 10700K @3.8/5.1GHz \| 64GB DDR4 3200 \| 12GB RTX 4070 Super \| 32" LCD Monitor \| 1TB SSD + 2TB SSD + 2TB HDD \| Win 11 Pro
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Markoz CS Team Offline Posts: 12445 Location: Victoria, Australia Joined: Apr 24^th, 2009 Gender:	Re: HSI VOR Problem Reply #14 - May 15^th, 2011 at 10:41am	Print Post
	Same thing happens to me. Could it be the curvature of the earth? I notice that in your flight plan, your altitude is FL18. Why so low? I think that FL260-FL300 would be better. Even in the 727-200. LOL I'm going to try this with another aircraft and see what happens. Mark

	Mark Fletcher PC: i7 10700K @3.8/5.1GHz \| 64GB DDR4 3200 \| 12GB RTX 4070 Super \| 32" LCD Monitor \| 1TB SSD + 2TB SSD + 2TB HDD \| Win 11 Pro
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