Autoland
Just out of interest, what is the max allowable crosswind for an autoland to be carried out? I once heard 15 knots.
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AIRBUS A320/321......
Head Wind : 30 kt Tail Wind : 10 kt CrossWind : 20 kt Other types have different 'Demonstrated'limits. |
Boeing 737-300:
Autoland: Headwind: 20 kts. .Crosswind: 15 kts. .Tailwind: 10 kts. CAT II/III-Operation Headwind: 20 kts. .Crosswind 10 kts. .Tailwind 10 kts |
757/767: 25 kts X-W (although company limits this to 15 kts in CAT II & CAT III conditions)
All FAR Part 25 aircraft are limited to 10 kts max tailwind, and that is true for the aurtoland as well. Max groundspeed 165 kts |
757 with a UK operator (including Cat 2 and 3). .headwind - 25kts. .crosswind - 25kts. .tailwind - 15kts
[ 26 January 2002: Message edited by: wysiwyg ]</p> |
Avro RJ-100
Headwind - 25kt. .Tailwind - 10kt. .Crosswind - 15kt On 3 engines, max headwind reduced to 15kt |
BA 747-400
Headwind 25kts Tailwind 15kts Crosswind 25kts (10kts in US for Cat 2 and 3). |
Got told on my training course a few years back that a L1011 got down with a 44kt cross wind in the Falklands.
The guy that told me was the Lockheed chief engineering trainer! |
Transport Canada won't even consider an AP unless it can do at least 25kt head, 15kt cross & 10kt tail. . .BTW watch out for "tower winds" from airfields in the US Mid-West equipped with Low Level Wind Shear sytems - they give out an average out of the LLWS sensors that can be almost an order of magnitude lower than the IRU shows on the approach. Their sensors are only at about 3m as opposed to the old ICAO 10m tower anemometer.
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Intereting how we all use different limits for the same thing!
757-200 and 767-300 (UK Charter Operator). .Headwind 25. .Tailwind 15 (767 - 10 kt ac limit). .X Wind 25 kts. .If RVR <150m then 10 kts max x-wind. I read in the ac manual that the ac (757) was demonstrated to:. .Headwind 34. .Tailwind 25. .X Wind 25 Regards |
MD11:. .Headwind 25kt. .Crosswind 15kt. .Tailwind 10kt
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Have used autoland in the TriStar at 35 knots crosswind (aircraft PC)...worked like a charm.. .Ah Lockheed.....
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B777
15Kts Tail. .40Kts Cross (25Kts in cat II/III) and that's on one engine as well and it works, too! [ 05 February 2002: Message edited by: Full_Wings ]</p> |
Md-80 series:
25 KT headwind component. .15 KT Xwind ". .10 KT Tailwind " Our line further limits Xwind component to 10 KT for CAT II/III ops. |
Litebulbs. .I can neither confirm nor deny your post!!!. .Now would anyone care to talk about aileron saturation?
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