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January 2nd, 2006, 11:38
| #1 |
| Senior Member  Join Date: Oct 2002 Location: Wasilla, AK
Posts: 972
   |  1800 RVR = 1/2 Mile? I saw a question on an interview gouge... On a Cat I ILS some airports have an 1800 RVR requirement while others have 2400 RVR. If the RVR is OTS on both, the visibility requirement is 1/2 mile. Why the difference between 1800 and 2400? Edit: Found my answer, but I'm not tellin'....
__________________ Urban Dictionary: /chee-CHA-ko/ Alaska Airlines 737 FO http://www.AllAboutGod.com |
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January 2nd, 2006, 12:42
| #2 |
| Old Skool  Join Date: Nov 2000 Location: Spokane, WA
Posts: 6,514
| Approach lighting |
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January 2nd, 2006, 13:35
| #3 |
| Junior Member  Join Date: May 2005 Location: Denver, CO
Posts: 64
| The RVR drops to 1800 if you have the TDZ and CL. edit: meant tdz lights and centerline lights. Last edited by doubleo6point9; January 2nd, 2006 at 14:10. |
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January 2nd, 2006, 14:00
| #4 | |
| Old Skool  Join Date: Sep 2003
Posts: 1,846
| Quote:
I think you need CL lights for 1800RVR. If RVR is out, Vis goes up to 1/2 mile because it's not as precisely measured as RVR. | |
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