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Post by mdeval on Apr 14, 2021 18:05:42 GMT -5
Re: Boston Logan 59 / 62 the glide slope is missing for the 4R/22L ILS. Localizer is fine. Would love to fix this. Can anyone help ?
TIA
Mike
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Post by Tom/CalClassic on Apr 14, 2021 23:37:31 GMT -5
Maybe it’s just a localizer, not a full ILS? If you want to change that, I believe you can edit the BGL file with ADE?
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Post by Defender on Apr 15, 2021 3:59:18 GMT -5
Hi Mike,
The 1959 charts show that the 04R ILS did have GS. 22L used the 04R backcourse and so no GS.
No other runway had ILS although that may have changed by 1962.
Bill
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Post by mdeval on Apr 15, 2021 10:16:54 GMT -5
So neither 22L nor 4R have a operable GS. This only applies to the Classic Logan, both 59 and 62. Just now swithed back to modern and all works fine.
?
Mike
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Post by Defender on Apr 15, 2021 10:57:31 GMT -5
A 1969 chart shows an ILS for 33 by then but no clues as to when it was added. Same arrangement as 22L, 15 uses the backcourse. So that also confirms that nothing else had changed since 1959.
I can send you a corrected 1962 ADE if you want it.
Bill
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Post by Tom/CalClassic on Apr 15, 2021 11:10:00 GMT -5
Hi,
I agree, Chris does not appear to have activated the glideslope for the ILS on runway 4R.
The way to fix this for the 1962 airport:
1. Copy the KBOS_62_CG.bgl and KBOS_62_CG_GP.bgl files in the scenery subfolder and paste into the main KBOS 1962 folder (for backup).
2, In the scenery subfolder rename the KBOS_62_CG_GP.bgl to KBOS_62_CG_Current_GP.bgl. If you do not do this it will be deleted by ADE.
3. In ADE, File/Open File from BGL. Choose the KBOS_62_CG.bgl file.
4. Double click on the green arrow at the runway 22L end (that is the ILS for 4R). The Properties box should appear.
5. Click the box next to Glide Slope. Click OK. A little green arrow at the middle of the airport will appear.
6. Drag it to the touchdown point of runway 4R, alongside the runway. That is on top of runway 9 - don't worry, it's not visible.
7. File/Save Airport for safekeeping, placing it into the ADE/FS9/Projects folder.
8. Compile the airport, to create a new BGL file:
a. File/Compile Airport b. Click Open Folder button, browse to the KBOS 1962/Scenery folder. c. Click on the KBOS_62_CG.bgl file. d. Click Yes to replace the file. e. Press Compile. The airport should be compiled. 9. File/Save Airport to save the new compile information.
The ILS 110.3 now has a glideslope.
BTW, there are lots of different possible steps to handle this problem with ADE, but this is the way I usually do it. Others will have other variations.
Hope this helps,
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Post by mdeval on Apr 15, 2021 17:18:15 GMT -5
Whoa Tom, seems way, way over my head. Know nothing about ADE. Is that similar to AFCAD ? Where would I be able to download it ?
Mike
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Post by Tom/CalClassic on Apr 15, 2021 17:43:44 GMT -5
Sorry, I didn't realize you didn't do airport editing. Yes, it is very similar to AFCAD, with the changes I mentioned above.
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Post by mdeval on Apr 15, 2021 19:34:35 GMT -5
Not entirely unwilling to try something new. Where would a person go to acquire this ADE ?
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Post by Tom/CalClassic on Apr 16, 2021 0:29:55 GMT -5
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Post by mdeval on Apr 16, 2021 21:01:34 GMT -5
Downloaded it, perused the manual. Unfortunately I do feel it's beyond me. I'll hang onto it though and maybe try to figure out just the parts I need. In the meanwhile, I can of course fly the approach without the GS. Usually start a 400 ft/min decent from 2000 feet above ground, about 8 miles from the runway. Sound about right ?
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Post by Tom/CalClassic on Apr 17, 2021 1:22:50 GMT -5
That would depend on your airspeed.
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blockwood
ConvairLiner
Posts: 69
Member is Online
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Post by blockwood on Apr 17, 2021 7:43:12 GMT -5
A quick guide for descent rate for a normal roughly three degree glide slope is 5 times your ground speed on final in knots. i.e. 120 knots on final is 600 fpm. 150 knots is 750 fpm. It doesn't matter if you're in a Cessna 150 or a SR-71.
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Post by Defender on Apr 17, 2021 10:21:04 GMT -5
Good formula, and to calculate the point to begin final descent allow 1 mile for each 300' above airport level.
Bill
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Post by Tom/CalClassic on Apr 17, 2021 11:18:16 GMT -5
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