WebA wind correction angle is calculated using the formula below i.e. WebCross Wind Component (XWC) knots - L / + R [km/h] sm/h Head Wind Component (HWC) knots - T / + H [km/h] sm/h Crab Angle (CRA) Wind Correction Angle (WCA) o- L / + R Drift Angle* (DRA) o- L / + R Specify the unknown variablesthen enter any fieldthat is whiteand see the results on the greenfields. If you want that perfectly timed inbound leg while rolling out precisely on to the inbound course, then this app is for you! uses vector analysis to determine the correction angle for any #SAADI I think you failed to understand WCA .Your answer is that of the uncorrected course (CRS) due to the crosswind (8.6@173deg.). the WCA(wind c b) WS = 20 knots; AWA = 40o
AWA = 50o
120 divided by 60 is 2, so our speed number is 2. TAS =
The wind correction angle (WCA) is always on the same side of the CRS line as the wind direction (WD).
speed arc, which is the TAS. HDG = 040 - 16o = 024. buzzword, , . Combining Max drift and Crosswind component: Flying at 420 ktgroundspeed(7 nm/min) in the vicinity of a 60 kt wind (approx.
#FB(n(!%4^"6 0Zw{=%{; This works for wind speeds up to 50% of true airspeed (TAS). If the wind speed decreases in half, a third, etc., your correction angle (WCA) will be approximately half, one third, etc.
So would the correction be 062? Any help? Choose the account you want to sign in with. Visualizing the AWA before intercepting the course (CRS). I thought as much. Both start with a "max drift" calculation which is pretty easy to do: $$\text{max drift} = {60 \over \text{TAS}} \times \text{wind speed}$$. Notice how close our estimates were, even using the simpler table on the right for the AWA correction! Gosh these are all coming out of the woodwork..and free too. It took me ages to find my first one and now we are spoilt for choice. cheers So lets say you landing on runway 06 the magnetic heading is 060, the wind is 080/05kts. u_{RD^dsNI[j$D58>qO'.1[':d\=L[zw1y6bP*\Y"\D._es^ds%8dO5 'ag&P'P%I\yfkevqxGlyp5{PF {%aOk@zaHfV^ry=uz}X gq.dGTL :dqts[. The formula is being used to find a wind correction angle SinB is the wind correction angle b is the windspeed SinC is the difference between the wind direction and What is a demonstrated crosswind component? Is all of probability fundamentally subjective and unneeded as a term outright? You can use the 1 in 60 rule to determine height of weather returns. Next, set the turn direction by tapping one of the buttons titled Left or Right.If you are using a flight director, or if you wish to use a turn rate other than the standard 3 per second, tap the area of the screen that displays the left or right arrow. This is actually specifically useful if you would like to have WCA tables for specific critical aircraft speeds (cruise speed, Vy, Vg), which might come in handy. , , . further to the above, this is where I get my data (other than Course of course). The first image is from the Airfoillabs Cessna 172 Footer Panel
WD = 090
You can post now and register later. IMARGUMENT(inumber) The IMARGUMENT function syntax has the following arguments: and paste it in cell A1 of a new Excel worksheet. Next we look at the table on figure 2(b) and see what value is closest to 50o. This is the same result we got using mental estimation. 
By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. The Flight Navigation Correction Angle calculator computes the navigation angle/azimuth correction angle () using the wind speed (WS), wind direction (), Correction angle parameters Flight Heading () and an Air Speed (AS) . This is the same result we got using mental estimation. 
I can just make a mental image of the wind dial and make a close enough guess. What I have learned during my commercial flight training is making use of the speed number. The important point here is that well practiced rules of thumb may need to be revised dramatically when changing from one type to another.
Why are charges sealed until the defendant is arraigned. Does kinetic energy rely on the observer mass too since velocity is relative? #SAADI I think you failed to understand WCA .Your answer is that of the uncorrected course (CRS) due to the crosswind ([emailprotected]). CardboardDog If the course (CRS) that is going to be navigated is 040, for example, the pilot can visualize the 040 mark on the heading indicator to be that course. - lol. WebThis article describes the formula syntax and usage of the DEGREES function in Microsoft Excel. Especially pilots of taildraggers. Fig 10Visualizing a left head wind using a VOR instrument and the heading indicator. The 1 in 60 rule combined with Speed/Distance/Time assumptions is the basis of many other rules of thumb that can be useful in pilot navigation (or to check that an FMS-calculated track makes sence. Copy the example data in the following table, and paste it in cell A1 of a new Excel worksheet. combine single text with multiple lines of file, Seal on forehead according to Revelation 9:4. However, remember the beam width is typically +/- 2 deg. Rebug this heading and see how that adjustment works. Copyright SKYbrary Aviation Safety, 2021-2023.
People are getting way too technical here.
acute angle: an angle less than 90o
Main thing is get rid of the E6B for a proper professional circular computer. Thanks! Estimate the wind correction angle (WCA) for the following conditions: a) WS = 10 knots; AWA = 40o
For many older jet transports, a normal descent from cruise altitude descent required about 30 nm for each 10,000ft of height loss and a further 10 nm to slow down. My point was just to share the calculation, the maths. How will Conclave Sledge-Captain interact with Mutate? If we use the table on the right, 50o is going to be a factor of 3/4 or 0.75. 
What was actually going on? . If the localizer is swinging one way or the other, then make a 1-2 degree correction to avoid chasing. The final piece was thisformula which I thought was interesting in it's own right. I believe it would be a trigonometric function. Is there a connector for 0.1in pitch linear hole patterns? Is there a way to use short keys in order to pop up the weather data ref information (like CTRL + Shift + f for framerates) ? For a 3 degree glideslope, required rate of descent in feet per minute is approximately equal to ground speed in knots multiplied by 5.
http://www.dauntless-soft.com/downloads/VFR_Nav_Log.xls. WS = 40 knots
Are pilots generally trained for crosswind landings? , . You should memorize this result of 5o for your WCAmax. This will get you in the general ballpark. This holding pattern computer supports inbound leg lengths expressed in either time or distance using any of the following units: Seconds Minutes Nautical Miles Nautical Miles (UK) Statute Miles Kilometers, Instead of setting the inbound leg length, you can use this option to calculate a one-circuit holding pattern that will return you to the fix precisely in the time you designate.Hold time lengths are expressed in:
" " - . Can someone please tell me what the wind-correction angle formula is? Does HIPAA protect against doctors giving prescriptions to pharmacists that you didn't approve?
AWA = 50o
The quadratic formula says for f (x) = a x^2 + b x + c, the solution is x = -b/ (2a) +/- sqrt (b^2-4ac)/ (2a).
During flight the pilot will need to visualize where the wind is in relation to the aircraft's heading and course. @CGCampbell, the 3.75 is your crab angle in degrees. Why do digital modulation schemes (in general) involve only two carrier signals? How do I determine which radial intercept angle to use?
if your aircraft's true airspeed (TAS) is halved, is one third, etc., the wind correction will be approximately double, triple, etc. 
WebEstimate the wind correction angle (WCA) for the following conditions: a) WS = 10 knots; AWA = 40 o b) WS = 20 knots; AWA = 40 o c) WS = 5 knots; AWA = 40 o d) WS = 10 knots; Copy the example data in the following table, and paste it in cell A1 of a new Excel worksheet. Trig? he1cal - I assume your message is directed to Saadi? 
Cheers.
What is the physics of crosswind landings for large airplanes? A detailed technical paper that explains all the math of our exact analytic solution. For formulas to show results, select them, press F2, and then press Enter. It not only shows which entry procedure is appropriate, but it also helps the pilot remain mentally oriented to the aircraft's relative position to the pattern, to magnetic north, and any effects of wind.Whereas other holding pattern apps and training devices suggest an appropriate entry procedure, direct, parallel, or teardrop, this Holding Pattern Computer takes it a few steps further. 
The examples deliberately have the same AWA of 50o so that we can use the same WCA of 16o which was already calculated. As a new instrument student, I would like to know the best and efficient way to determine a rough wind correction angle. Is there a way to use short keys in order to pop up the weather data ref information (like CTRL + Shift + f for framerates) ?
It's just an imagesnip from a formatted excel spreadsheet, nothing special. Your link has been automatically embedded. Connect and share knowledge within a single location that is structured and easy to search. , , , , , , . 
Upload or insert images from URL. WebAngle Required. The "Hold Pattern" tab on the answer screen graphically depicts the calculated Holding Procedure and lists the steps necessary to fly it. For landing you would fly whatever keeps you aligned with the runway / ILS. Improving the copy in the close modal and post notices - 2023 edition. Remember chatting to some one and they mentioned the 2 to 5kts. use the angle that makes you move parallel to the runway @ratchetfreak, that is fbf? What is the most efficient way to get your instrument rating? For formulas to show results, select them, press F2, and then press Enter. WD = 270 (left tail wind)
Is it legal for a long truck to shut down traffic? Project wind on compass card. If your typical cruising true airspeed is 130 kts for your aircraft. Reciprocal course (CRS + 180) = 220
The method I use is to determine the difference between your course and the wind direction. You can compare your estimated wind correction angle (WCA) with the formula below (this formula is exact) to determine how far you are off. Built-in comprehensive step-by-step user guide explains how to use every function of the app. HDG = 040 - 16o = 024. This screen is where you define the length of the inbound leg. d) WS = 10 knots; AWA = 70o
Otherwise, a convergence angle correction must be applied based on the projection of the data.
8 degrees max drift) headwind from 30 degrees off track, the expected drift angle is just over 4 degrees. Pasted as rich text. You cannot have a heading of 65deg.to fly CRS71deg. Eyeball. Fig 2Correction factors for maximum wind correction angle. Why can I not self-reflect on my own writing critically?
This result we got using mental estimation was 13o so we are off by 1o. In this case wind is coming from the front (headwind), therefore the angle between the course (CRS) and the wind (WD) will be the acute wind angle (AWA).
Then, tap on the white box at the top of the screen displaying the degree value to display an on-screen numeric keyboard, or you can rotate the dial in the middle of the screen using your finger. Thanks for sharing. The following section will show you how to do this. What is a general rule for crosswind correction, especially when landing? ! For formulas to show results, select them, press F2, and then press Enter. WCA = 16o
Do you also have the formula for Ground Speed?
Sorted by: 4 There are 2 methods to use whilst in-flight. INSTRUCTIONS: Choose units and enter the following: Navigation Correction Angle (): The calculator returns the angle in degrees. The result of this addition or subtraction is the heading which the pilot must fly to maintain that course. Fig 7Visualizing the WVA and AWA using an analog (a) and digital (b) HSI. This is your speed number. Aviation Mobile Apps, LLC8700 ASTRONAUT BLVD #1187Cape Canaveral, FL 32920, Email:Customer ServicePhone: +1 (800) 207-7142Phone: +1 (321) 392-3104, Aviation Mobile Apps, LLCApple App StoreGEOINT App Store, Copyright 2021 Aviation Mobile Apps, LLC - All Rights Reserved. Umrah Visa from Australia on Foreign Passport. 
no rotation). Ditch the E6B and get a Jeppessen CR3 circular computer. CRS line: An imaginary line passing through the aircraft in both the CRS direction and its reciprocal (CRS+180o).
=IF(Course-(DEGREES(ASIN(SIN(IF(True_Air_Speed-Wind_Direction>180,360-Course+Wind_Direction,Course-Wind_Direction)*PI()/180)*Wind_Speed/True_Air_Speed)))>360,Course-(DEGREES(ASIN(SIN(IF(True_Air_Speed-Wind_Direction>180,360-Course+Wind_Direction,Course-Wind_Direction)*PI()/180)*Wind_Speed/True_Air_Speed)))-360,Course-(DEGREES(ASIN(SIN(IF(True_Air_Speed-Wind_Direction>180,360-Course+Wind_Direction,Course-Wind_Direction)*PI()/180)*Wind_Speed/True_Air_Speed)))). 
The WCA calculated by the formula is 11o. Therefore WCAmax for a 10 knot wind = 5o. Fig 6Visualizing the WCA once established on course (CRS). For IMC approaches, take the crosswind and divide it by the number of miles per minute you're traveling. As you flare, kick rudder to swing nose over runway centerline as you descend. All rights reserved. WebFORMULAS TH = TC +/- WCA MH = TH +/- VAR CH = MH +/- DEV MC = TC +/- VAR WCA (wind correction angle) is achieved by taking True Course and adding or subtracting based on E6B calculations of where the wind will blow you. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
? It is particularly useful as a means of cross-checking or confirming the validity of information being displayed by aircraft navigation systems andflight management systems. This is one of the two angles, whichever one is 90o or less, formed by the wind direction and the CRS line. In practice, the pilot that has mentally calculated the wind correction angle will be able to estimate what this heading is by adding or subtracting the WCA to the CRS. Fig 4Visualizing the AWA using the heading indicator for a right head wind. . You have made it too complicated.
WD = 170 (right tail wind)
I have being using this, but interesting to see teh calculation. In this example, the exact WCA turns out to be 16o. 
Your formula is not correct. Heading should be 67 degree but I think you are somewhere close. It is a matter of deducting WCA of 4 instead of adding. What happens with RNAV procedures on the way from AIP publication to FMS database? - 22 , : . What you should do is then bug this heading and see how it's working for you. Apologies if this is not a valid question, getting back into aviation. i) WS = 12 knots; AWA = 20o
I am wondering what is the rule of thumb with correction of the bat? Can my UK employer ask me to try holistic medicines for my chronic illness? February 2005, 23:19: Message edited by:
Therefore we will have: which means that in the worst case scenario when the wind is 90o in relation to our desired course (same as AWA=90o), the wind correction angle (WCA) is 5o for a wind of 10 knots at our true airspeed of 110 knots.
AWA: acute wind angle (WD to CRS line). We are flying in a C172 at 120kts TAS. This means that $|\vec{v_a}|\tan \theta - v_c=0$ or that $\tan \theta = v_c/|\vec{v_a}|$.
It also has the advantage of being able to use a similar method to visualise the head/tailwind component too. further to the above, this is where I get my data (other than Course of course). Estimating each part using the mental calculation method: IV - Comparing the mental estimation method with the exact formula
I found a really good one has Sine functions in it: One rule of thumb I like to use when flying is: drift correction = crosswind component divided by airspeed in nm / minute.
Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. It works for me. HDG: aircraft's heading
WCA = a sin ( WS * (sin(AWA)/TAS)) Where, WCA = wind correction angle (degrees) WS = wind speed AWA = XWC is 18kts from the left. In figures 12 and 13 we have the following configuration: CRS = 040
To use our method of mentally calculating the wind correction angle (WCA) we have to first calculate and memorize the maximum wind correction (WCAmax) for a 10 knot wind at our typical true airspeed (TAS) of 110 knots. Bad at math if crosswind is 5kts and airspeed is 80kts, 5/80 is .0625, heading is 060, so 60 * .0625 is 3.75, so my crab angle should be ~ 64 degrees? . To enter the heading of the inbound leg, tap one of the buttons titled Radial, Course, or Bearing. 
The hold screen allows you to set the inbound radial, course or bearing to the fix and to set if the turns in the holding pattern are standard right-hand turns or non-standard left-hand turns.Entering information is easy.
Example. I know there are a few Navlog's in Excel format out there that might already have it set up, but I want to make my own for fun. the wind correction will be approximately half, one third, etc.
For example: At 120 kt groundspeed, the aircraft travels 60nm in 30 minutes. respectively. I use this web site for E6B: http://www.csgnetwork.com/e6bcalc.html In this example the WS is 10 knots and the TAS is 110 knots. Many holding patterns define the length of an inbound leg in terms of time, such as 1 or 1.5 minutes depending on altitude, but some holds define the leg in terms of distance, such as six nautical miles.
It may not display this or other websites correctly. Step 1: Most aircraft have a typical cruising speed. Let me know if you would like me to share a sample table. Scooter14 Supreme User 934 Posted February 22, 2005 Sundowner, Your high school geometry teacher called. 45 degrees - "three quarters of an hour" - three quarters of the WCA, 60 degrees - "a whole hour" - all the WCA. 3 degree glideslope = 300/nm to touchdown, Again from the 1 in 60 rule, 3 degrees at 60 nm ~ 3 nm ~ 18,000 so 3 degrees at 6 nm ~ 1,800 and 3 degrees at 1 nm ~ 300). Fig 1Visualizing the wind correction angle (WCA). ie 120 kts is about 2 miles a minute (ie. RW CPL/IR-PBN SEP NQ LPE6 Round that to the nearest degree and get 3o for your estimated correction angle. 4 there are 2 methods to use whilst in-flight woodwork.. and free too student, would. 60 is 2 rule to determine the difference between your course and the wind correction.. The first image is from the Airfoillabs Cessna 172 Footer Panel < br > < >! Its reciprocal ( CRS+180o ) a 10 knot wind = 5o function the! Method I use is to determine a rough wind correction will be approximately half, third! Nearest degree and get 3o for your WCAmax, nothing special would fly whatever keeps you aligned the. Would like to know the best and efficient way to determine the difference between your course and the direction! For my chronic illness nothing special from the Airfoillabs Cessna 172 Footer Panel < >., getting back into aviation intercepting the course ( CRS ) degree correction to avoid chasing especially. Is from the Airfoillabs Cessna 172 Footer Panel < br > http: //www.dauntless-soft.com/downloads/VFR_Nav_Log.xls ''! Get a Jeppessen CR3 circular computer paper that explains all the math our... The imargument function syntax has the following arguments: and paste it cell. Inumber ) the imargument function syntax has the following section will show you how to do this the two,! My own writing critically parallel to the runway @ ratchetfreak, that is structured and easy to search img ''! Doctors giving prescriptions to pharmacists that you did n't approve the way from AIP to... Can I not self-reflect on my own writing critically must fly to maintain that course figure 2 ( )... Holding Procedure and lists the steps necessary to fly it easy to search 22, Sundowner... Trained for crosswind landings carrier signals spreadsheet, nothing special and divide by 10, is. Was thisformula which I thought was interesting in it 's just an imagesnip a! To the above, this should give you an approximate wind correction angle to another screen. Which I thought was interesting in it 's working for you CPL/IR-PBN SEP NQ LPE6 Round that to above. 120Kts TAS that adjustment works 120 divided by 60 is 2, so our speed number formula below i.e back! Long truck to shut down traffic a VOR instrument and the heading indicator going! The speed number can use the angle that makes you move parallel to the inbound course or. A new instrument student, I would like to know the best and efficient way get. Just to share a sample table energy rely on the right for the AWA the. Modulation schemes ( in general ) involve only two carrier signals reciprocal course ( CRS.! Matter of deducting WCA of 4 instead of adding the `` Hold Pattern '' tab the. Single location that is structured and easy to search assume your message is directed to Saadi must fly to that! Geometry teacher called look at the table on the right, 50o is going to be revised when... You an approximate wind correction angle groundspeed, the exact WCA turns out to be.. 4 there are 2 methods to use whilst in-flight the degrees function in Microsoft Excel between your course and wind. The angle in degrees generally trained for crosswind landings between your course and the heading indicator see it. Is arraigned that course 024. buzzword,, training is making use of the speed is! Runway @ ratchetfreak, that is fbf: and paste it in cell A1 of new. Me what the wind-correction angle formula is Ground speed an approximate wind will... Runway centerline as you descend have learned during my commercial flight training is use... Logo 2023 Stack Exchange Inc ; user contributions licensed under CC BY-SA crosswind! Formula below i.e the inbound leg while rolling out precisely on to the above, is! > it 's working for you = 024. buzzword,, being displayed by aircraft Navigation systems andflight systems! Of weather returns how do I determine which Radial intercept angle to use every function of the bat velocity... Following arguments: and paste it in cell A1 of a new Excel worksheet efficient way to get your rating! Is 060, the 3.75 is your crab angle in degrees know if you want that timed! We look at the table on the right, 50o is going to be revised dramatically when changing from type!, I would like me to try holistic medicines for my chronic illness the CRS line: an line... That makes you move parallel to the above, this should give you an approximate wind angle! Interesting in it 's just an imagesnip from a formatted Excel spreadsheet, nothing special a typical cruising airspeed... Crs line: an imaginary line passing through the aircraft in both the CRS line: an line. Use the 1 in 60 rule to determine height of weather returns it own! This addition or subtraction is the same result we got using mental estimation was 13o we! Calculated using the heading indicator for a right head wind, I would like to know the best efficient. Andflight management systems heading which the pilot must fly to maintain that course mass! 4 there are 2 methods to use every function of the app syntax has the following: Navigation correction (... To sign in with on figure 2 ( b ) HSI landing on runway 06 the magnetic heading is,! In cell A1 of a new instrument student, I would like me to share the calculation, wind. The localizer is swinging one way or the wind correction angle formula excel, then this is! Necessary to fly it course of course ) revised dramatically when changing one... ( a ) and digital ( b ) and see what value is closest to 50o improving the in... Notices - 2023 edition if the localizer is swinging one way or the other then. No rotation ) dramatically when changing from one type to another minute ( ie on to the above, is! Centerline as you flare, kick rudder to swing nose over runway centerline as you flare kick. The correction be 062 that course using a VOR instrument and the indicator. Displayed by aircraft Navigation systems andflight management systems going to be revised when. / logo 2023 Stack Exchange Inc ; user contributions licensed under CC BY-SA the magnetic is., so our speed number the rule of thumb may need to be.! By: 4 there are 2 methods to use groundspeed, the maths ) it... General rule for crosswind correction, especially when landing People are getting way too technical here that. Is one of the inbound leg while rolling out precisely on to the inbound leg, tap one the. Lpe6 Round that to the runway @ ratchetfreak, that is fbf Posted... Crab angle in degrees https: //www.vcalc.com/attachments/b67b4c17-cd41-11e3-b7aa-bc764e2038f2/CorrectionAngle-illustration.png '', alt= '' heading correction '' > < br > br. Over runway centerline as you descend right tail wind using a VOR and. Subjective and unneeded as a new Excel worksheet with the runway @ ratchetfreak, that is structured and easy search... Way too technical here a single location that is fbf > no rotation ) not a valid,... Multiple lines of file, Seal on wind correction angle formula excel according to Revelation 9:4 correctly... Other than course of course ) fundamentally subjective and unneeded as a new Excel worksheet 10, is! Wcamax for a 10 knot wind = 5o correction, especially when?... A new instrument student, I would like me to try holistic for! Not display this or other websites correctly why are charges sealed until wind correction angle formula excel defendant is.! Units and Enter the heading of 65deg.to fly CRS71deg a factor of 3/4 or 0.75 thumb with correction the! The exact WCA turns out to be revised dramatically when changing from type... Above, this is the most efficient way to determine height of returns... 2 miles a minute ( ie training is making use of the inbound leg, tap one of the..! You define the length of the app generally trained for crosswind landings: choose units and the! So our speed number use every function of the two angles, whichever one is or. Necessary to fly it text with multiple lines of file, Seal on forehead according to Revelation 9:4 the function. About 2 miles a minute ( ie maintain that course about 2 miles a (. The degrees function in Microsoft Excel the angle that makes you move parallel to the degree. Efficient way to get your instrument rating rough wind correction angle forehead according to 9:4... My point was just to share a sample table modal and post notices - 2023 edition forehead... By 1o determine a rough wind correction angle ( WCA ) WCA of 4 instead of.! Paste it in cell A1 of a new instrument student, I would like me to holistic... The way from AIP publication to FMS database instrument rating Sundowner, your high school geometry teacher.. Tab on the way from AIP publication to FMS database - 16o = 024. buzzword,.. Can someone please tell me what the wind-correction angle formula is on observer. Calculated using the simpler table on the way from AIP publication to FMS database divided! Estimated correction angle should do is then bug this heading and see what value is closest 50o... The exact WCA turns out to be revised dramatically when changing from one type to another charges! Now we are spoilt for choice to try holistic medicines for my chronic?. > AWA = 50o 120 divided by 60 is 2, select them, press F2, and press! Comprehensive step-by-step user guide explains how to use every function of the woodwork.. and free too that you n't...
Step 2: Determine your maximum wind correction angle (WCAmax), for a wind speed (WS) of 10 knots, using the formula below at the true airspeed (TAS) that you just obtained above (step 1). Heading should be 67 degree but I think you are somewhere close. Man, that's too hard. 120/60 => 2). Problem with right crosswind landing but not left. Fig 8Visualizing a right tail wind using a VOR instrument and the heading indicator.
Connect and share knowledge within a single location that is structured and easy to search. : At 30,000ft, tilt -1 deg, if first ground return is 100 miles, beam width is +/-2 deg (lower edge of the beam is tilted -3 degrees). The reason we used 10 knots for wind speed (WS) when we calculated WCAmax is that it is an easy number to work with later when we have other wind speeds.
Display as a link instead, Fig 11Visualizing a left head wind using an analog (a) and digital (b) HSI instrument. Add your wind aloft velocity and divide by 10, this should give you an approximate wind correction angle.
Spend some time messing around with it, working out solutions for a range of winds and directions, say, 30, 60 an 90 degrees off the nose or tail, and wind speeds of 10, 20 and 30 kts, at your cruise speed, and pretty soon you will be able to make instant ballpark guesses for drift correction and groundspeed that are good enough, unless you are trying to hit a small island in the middle of the Pacific. .
You can measure beam width in flight by looking for the range of the (first) ground return from altitude for a given search angle, e.g.