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Thread: Synthetic ILS instrument- For every Runway at every Airport

  1. #1

    Default Synthetic ILS instrument- For every Runway at every Airport

    I have just Uploaded an instrument here at Flightsim that might be of interest to some .

    FSX - FSX Utilities
    FSX Synthetic ILS - For Every Runway At Every Airport
    [ Download | View ]

    Name: aila_ils.zip
    Size: 2,829,541 Date: 08-31-2018 Downloads: 240
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    FSX Synthetic ILS - For Every Runway At Every Airport in the Flight Simulator database. Also for FS2004 and P3D. AILA - Airborne Instrument Landing Approach System. Instrument enables selection of any of the 24,491 airports that exist in the database, then selection of any runway at that airport, then selection of either runway end. Airports can be selected at any global distance from aircraft. Distance bearing and steering arrow are displayed, the ILS aim point is computed at 6% of relevant runway length and the ILS is full precision with usual ILS deviation bars. Text data includes current, glideslope, height above runway, distance to touchdown aimpoint, offset (circuit width) from runway centerline, full airport name and details, enables precise rectangular standard circuits to be flown, also enables an intercept position to be set at any desired distance prior to ILS aimpoint to easily align aircraft with the runway. Also includes mark position capture of any location on earth and generation of a synthetic runway, i.e., a paddock, a beach, a river, lake, sea, hardened rooftop or bridge, and subsequent ILS approach at that location. The default ILS glideslope is the usual 3.00 degrees but any angle can be set. Can be used in any aircraft, helicopter, cropduster, float plane, or fire fighting aircraft. 16 page notes PDF, an Airports ICAO PDF, and several descriptive screenshots. By Karol Chlebowski.

    Click image for larger version. 

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    Its a Pop Up window instrument , I created in a military fast jet ( F-111 ) , but it can be used in any air vehicle , including
    helicopters , or even an ultralight .

    Some time ago someone opened a thread here at Flightsim with the following line ;
    " I'm new to here. I was wondering if anyone knows of a gauge that could help me line up my designated runway, say from about 10 or so miles out. I fly mainly VFR and I have trouble lining up the runway as I only see it at the last moment. "

    Well , with the 'Intercept" capability in this instrument you can enter any Distance and it will guide you to a location on the Approach pathway , he quoted 10 miles , but you can input any distance , for example 7.2 nm .

    Also this instrument can be used at the same time as a Radio NAVAID ILS , and it will help you to find your Approach prior to engaging Approach hold .

    Cheers
    Karol

  2. #2
    Join Date
    Feb 2014
    Location
    Klammath Falls, OR
    Posts
    4,033

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    Karol, you make some awesome instruments.
    I see you over on FSDev forums sometimes.

    They even have some similar to your's, or maybe they are your's, I don't know, in the TMAP Add TacPack to Any Plane kit. Amazing work.
    I have the F-111 PIG HUD project v8.1, I think it is. It's GREAT. I love to fly it for relaxation sometimes.

    Thanks for your hard work! I sure appreciate you publishing it for public consumption, and I'm sure others will too. I'm downloading this as soon as I can find it
    Have fun!
    Pat☺

    Had a thought...then there was the smell of something burning, and sparks, and then a big fire, and then the lights went out! I guess I better not do that again!
    Sgt, USMC, 10 years proud service, Inactive reserve now

  3. #3

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    Karol, Just a bunch of kudos for a great utility. I like to fly into small airports (like KCMA) and dodging the mountains is fun but lining up with a runway that DOESN'T have an ILS can be daunting. Your gauge works perfectly and you've put alot of work and thought into its development. Thank you.. This works much like "QuickILS" in places when there is no ILS. Great Job... Terry

  4. #4

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    Hi Terry

    Thank you for your comments .
    With this instrument you can choose a nearby airport from the list , or enter any 4 character airport ICAO anywhere in the world , it can be on the other side of the planet and you still get Distance and Bearing to it .
    Once you become familiar with it you will find that it gives you full 3D Situation Awareness , you will know the aircraft's disposition relative to the chosen Airport/Runway even in zero visibility , such as at night .
    I included 3 diagram shots , 2 are Standard rectangular circuits , and 1 is an orientation diagram , they are there as an aid to develop an understanding of what the instrument is telling you , it provides all the information to build a clear image of the aircraft relative to the runway that you want to use for landing .

    Hi Pat

    Thank you for your comments.
    My own view is that the instrument is neat , it provides a huge amount of information , it's accuracy or precision is stunning , when I originally created it I was surprised at it's accuracy , so I ran a series of tests that confirmed it's absolute precision .
    If you do get around to using it , please check out the " Intercept " capability , it's a gem of a feature, it makes your approaches much easier to conduct.
    Actually this instrument's capabilities was used to conduct measurements of bomb fall distances for
    all heights from 300' to 37,500' to calculate correction factors to ensure bombing precision in my
    F-111 automated BNS (Bomb Navigation System) instrument .

    Cheers
    Karol

  5. Default

    Ditto on the kudos.

    Thank you for your talented effort on this intriguing instrument.

    Ray Hff

  6. #6

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    Amazing ... off to try it out. Thank you!

  7. #7

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    There used to be a TV series called MASH , at that field hospital they had a sign post that had pointers with the distance to various place names around the world .

    One thing that I have done with this instrument is to fly until I'm in the area of my home , then hit
    Pause ( P ) , then enter various places around the world , such as ,
    EGCC Manchester , EGLL London , EDDF Frankfurt , LFPG Paris , LIRF Rome , WSSS Singapore ,
    KJFK New York , KLAX Los Angeles .
    All of these places are listed in the included Airports PDF .
    I effectively create that signpost at my home with the Distances and Direction to all those places.

    I know it's a trivial thing to do , but it's fun , and it's another use that the instrument can be put to .

    Cheers
    Karol

  8. #8

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    This instrument can be used as a flexible training aid to practice flying the ILS .
    It can also be used side by side with an actual Tuned Radio NAVAID ILS .

    Most ILS are at a GS (glideslope) angle of 3.00 degrees .
    For GS 3 degrees the height above runway elevation for various distances to run are ,
    1 nm = 318' , 2 nm = 636' , 3 nm = 954' , 4 nm = 1271' , 5 nm = 1589' , 6 nm =1907' ,
    7 nm = 2225' , 8 nm = 2543' .
    Further distances can easily be charted by simply inputting increasing distances in
    the Intercept facility .

    While most ILS use a 3.00 degree glideslope angle , or very close to 3 degrees , however there are exceptions ,
    ILS Glideslopes greater than 3.0°,
    London City (EGLC) is 5.5°, Chambéry (LFLB) is 4.46°, Innsbruck (LOWI) 4.0°, Lugano (LSZA) 6.65°.

    one example is London City airport ( EGLC ) UK , the glideslope at EGLC is 5.50 degrees .
    The attached shot shows an autopilot coupled ILS approach to London City , the ILS is centered in the Right MFD ,
    The Left MFD is showing a "Synthetic ILS" also centered , the synthetic ILS GS has been set at 5.5 degrees .
    You can see that with 4 nm to run the height above the runway elevation (S-HT) is 2368' , whereas if a 3 degree GS was used that height would be 1271' .
    This Synthetic ILS instrument has a settable Intercept distance , in this case the intercept of the ILS approach path was set at 7 nm displaying a height above runway of 4070' for the intercept position , again if a 3 degree GS was used it would be 2225' .

    Note ,
    1. this Glideslope is virtually twice as steep as the usual, it'S quite noticeable.
    2. due to steep GS approach angle the airbrake has been deployed to keep approach speeds in check .

    Have repeated an enlarged Left MFD to make detail more readable .
    click X 3 to enlarge.

    Cheers
    Karol
    Click image for larger version. 

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  9. #9

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    A very instructive screenshot, thank you!

    I have been test flying a few approaches and really like the powerful services offered by the gauge. I usually turn on the ILS visual guides (red rectangles) as well for crosschecking. Integrating this into a 3d VC would also be nice I guess.

    One or two questions/suggestions, but I realize they may be dumb ones for various reasons:

    - Would it be nice to use the highlighting text facility to see which functions are already turned ON (eg ILS and INT)? And perhaps for greying out the buttons that are currently non-functional?
    - Would there be a way of reading/calculating an airport's glide slope angle so that it sets itself automatically, rather than having to enter 5.5 for London manually?
    - Could the intercept height be given in plain feet above sea level so that the value can be posted directly to the autopilot when approaching the intercept point, just like you can post the bearing?
    Last edited by mjahn; 09-09-2018 at 03:17 AM.

  10. #10

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    mjahn

    Q. - Could the intercept height be given in plain feet above sea level so that the value can be posted directly to the autopilot when approaching the intercept point, just like you can post the bearing?
    A. Yes , by adding the , Elevation to the S-Ht , I chose to use S-Ht (Height above Runway surface), because Altitude is irrelevant for Approach aspects.
    An example , you are flying towards your Airport/Runway , you are at a nice comfortable altitude of 4,000' amsl , however you might be approaching KDEN (Denver USA) , it's elevation is about 5,300' , so effectively you are 1,300' lower than the Runway .
    Your height above the runway ( S-HT ) is the critical aspect for this instrument .

    Q. - Would there be a way of reading/calculating an airport's glide slope angle so that it sets itself automatically, rather than having to enter 5.5 for London manually?
    A. No , there are no Variables covering the ILS glideslope or location in the SDK's .
    As far as I'm aware this instrument is the only way you can measure what a Radio NAVAID ILS glideslope angle is , by running them side by side as in that screenshot, and noting what the GS readout value is .

    Q. - Would it be nice to use the highlighting text facility to see which functions are already turned ON (eg ILS and INT)? And perhaps for greying out the buttons that are currently non-functional?
    A. That could be done , I'm not sure why though as it is all self evident by looking at the instrument.

    The extreme accuracy of this instrument far exceeds the red rectangles , once you get used to it and learn how to assimilate the data that it presents, you will find that it provides a full 3D image of your scenario at all times relative to , your aircraft , the Approach and the chosen runway .

    Cheers
    Karol

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