VOR Series Preview | FAA Airman Knowledge Exam | Aircraft Position Relative to Station

foreign [Music] [Applause] [Music] [Applause] [Music] [Applause] [Music] this is Ivan and welcome to the channel today I want to share a brief preview with you of a video that I'm working on related to VOR training this is where I'm basically showing my Approach of how I answered some of the FAA knowledge exam questions for this particular topic I hope this is a video that you're interested in if you have some thoughts or comments about it please put it in the comments section below otherwise I hope you enjoy this and look forward to completing it and getting the whole video put out thanks we're going to go over a couple of questions where we are asked what is the aircraft's position relative to the station and we're going to refer to figure 28 for this and specifically illustration six for this question right here and so again we're asked what is the aircraft's position relative to the station and we're given East West and north and note that South is not an option and we'll come back to that so let's take a look at the CDI gauge and before we try to answer this let's do a little bit of some review so what we have here is the CDI gauge and with this triangle pointing to 2 1 0 that means we've used the OBS knob to dial in 2 1 0. we have a left deflection of the needle which means that this is the desired radial and this is where the aircraft is this circle in the middle so that is our relationship to that desired track now I'm going to say left deviation but that doesn't mean that the desired track is to the left that would depend on which direction the aircraft was heading so it could actually be to the Pilot's right or to the Pilot's left it could be directly in front of the pilot it could be directly behind the pilot doesn't matter what is what does matter is for this brief moment in time this aircraft or this circle is is in relationship to this needle and for again for the purpose of this video this is a left deviation so then we have a two and a from indicator and what that means is depending on the radial that's dialed in if the aircraft is actually on that radial like for example if I Let's uh make a little arrow here if this is the radial and it's radial two one zero and the aircraft is physically on that radial or on the same side of the VOR station as that radial it's going to indicate from if the aircraft is on the opposite side of the VR station it's going to indicate two so remember that another thing that's going to be important are these markings that go along the middle this tells us how many degrees off the desired radial we are so in the middle would be of this circle would be right on the radial this first edge of the circle or this edge of the circle is two degrees and then each dot represents another two degrees so what we know so far is this we have this VOR dialed in to 2 1 0. we are on the same side of the VOR as the radial because we have a from indicator and we are two four degrees four degrees off of the desired track and that is everything that we need to know to determine if we are east west or north of the VOR station so how do we proceed from here well the first thing we need to do is start eliminating quadrants so we have four quadrants here and we're going to eliminate three of them so how do we do that well given that we have a left shift of this indicator that means that the aircraft is on this side okay of the desired radial so we can eliminate these two quadrants so what I'm just going to do here is just kind of shade in these two quadrants this is where the aircraft is not now we're going to take a look at the to and from indicator and we can determine that since there's a from indicator we are on the same side as the desired radial of two one zero we're on the same side of the station so that means that the aircraft is somewhere in this quadrant which means we can eliminate this quadrant so anything from here we can eliminate so what does that leave that basically leaves and let me change this that basically leaves this quadrant here okay another line and the aircraft is somewhere here now here's where it's going to get kind of tough because just looking at what's here I can say well there is a little bit of West represented there's also a little bit of North represented let's make this a little bit easier to visualize what I'm going to do is change this color let's change it to this and I'm going to draw some lines from there to there from south to North and from east to west so what we can see here is again our choices were East West and North looks like I can pretty comfortably eliminate east east would be all of this stuff over here so that's not an answer that's not an appropriate answer well I have that leaves I have West this part again we've determined that the plane is somewhere in here so that leaves West but there's also a little slice of North so how do we know what the answer is well remember we said and it's kind of hard to see now we've said that the aircraft was four degrees off of the 210 radial well if it's four degrees and it's in this direction from the desired track I would add four degrees to 210 and I would get two one four so I am on the two one four radial because I have a from indicator so if I come back over here and let's change this to basically we'll just say white and we'll make it an arrow if I go to this is two one zero two two zero that must be two one five so a little bit to the left we're really close to this 210 radio so if I start here and bring it over to here that would be we are on this radio where this white arrow is and that is clearly given that we were given East West and North that means that the answer is in fact West so let's take a look the answer is West let's go back if South had been an option that would have been harder to answer because we're actually more south than West but South was not a choice that we were given and so again the answer is West now let's take a look at this on the VOR simulator and I already have it set up so here we can see that I have it dialed in to two one zero I've got this CDI indicator with the left shifted to the left and it's on the four degree tick mark remember that first edge of the circle is two degrees and in that very first dot is four degrees and here you can clearly see that given the options of east west and North so if I drew a line from here all of this over here is East it's not East if I draw a line from here to here everything above that is North it's not North we don't have the option of South so again the answer is West now I do want to point out look how I have the aircraft it is heading this way that left shift indicator means desired track is to the left of the pilot if the pilot is heading in this direction that I have here if I turn this around note that the CDI indicator is not budging but now the desired track is to the right of the pilot so again when we're going through these questions don't let that confuse you the heading of the plane does not have anything to do with which way this needle is Shifting I can let's see I can make the aircraft here the desired track is basically directly behind us and here the desired track is directly or almost directly in front of us and so I may be crossing over this radial but this I say to the left shifted to the left and it does not mean that the desired track is to the left so let's proceed to the next question so again we're asked what is the aircraft's position relative to the station again refer to figure 28 and illustration seven and our choices are West Southeast and North so let's take a look at the CDI gauge so this one is a little bit different from the previous one here we have the VOR or the CDI is is dialed in to zero three zero we have a left shift of the indicator but look at our to and from neither one are flagged so that means something a little bit different well let's eliminate what we can and then see what's left over well again we have a left shift which means that the aircraft is in this direction it's in one of these two quadrants so we can eliminate this so I'll draw this line here and we'll kind of just shade all this in the aircraft is not over here and to from neither one is lit up so I don't know if I can eliminate this quadrant or this quadrant so what does that mean well that means that the aircraft is somewhere along this course of one two zero or radial one two zero and we know it's one two zero and not three zero zero because we've already eliminated this side so if I draw a line from here this magenta line is basically where the aircraft is on radial one two zero and again we know this because it's not in either one of these two quadrants there's no to or from indicator that's flagged so it's not in this quadrant it's not in this quadrant it has to be on this radial so let's once again let's draw our our compass markings and see if this will help us so I'm going to draw a line from North to South from West to East and let's see where the aircraft is located so let's kind of go back again we were told West South East or north south east or north well this would be West the aircraft is clearly not West and let's look at North these two quadrants here this is all North up here it's not North so that leaves South East and this one was a little bit easier because we know exactly what radial the aircraft is on it's on radial one two zero because we eliminated three zero zero as a possibility due to the left movement of the CDI indicator so again the answer is South East let's take a look at this on the VOR simulator and again I already have it kind of dialed up this one is a little bit easier to look at we have the VOR is tuned to zero three zero we have a left shift of the indicator we don't have a 2 or from flag so it must be on this radial here this is the one two zero radial it can't be the three zero zero radial because we have this left shift we've eliminated these two quadrants and that only leaves the one two zero so if I draw a line from here from west to east everything above that would be North I can eliminate North as a response if I draw a line from north to south everything over here can be eliminated which eliminates West that only leaves Southeast as the answer

Channel: IvanSky

Views: 3,234

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Id: DakBGj5Ww7s

Length: 17min 15sec (1035 seconds)

Published: Sun Dec 18 2022