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Air Canada B767 Runway Excursion @ YHZ

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Air Canada B767 Runway Excursion @ YHZ

Old 7th Mar 2019, 10:36
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Air Canada B767 Runway Excursion @ YHZ

Stanfield ain’t a good place for Canadian looney skygods.

An A320 crashed short of the runway a few years ago.

On 4th March CYHZ RW 05/23 closed due to AC B767 runway excursion.

https://www.thechronicleherald.ca/ne...nfield-289455/
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Old 7th Mar 2019, 10:45
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Oh dear, not a squeak about this anywhere!

AC boo boos becoming too often and too common that they’re better ignored?
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Old 7th Mar 2019, 13:30
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[COLOR=left=#000000]Rovinescu And Strom are calling it.....fake news. [/COLOR]
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Old 7th Mar 2019, 14:17
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Originally Posted by iNCApacitated View Post
[color=left=#000000]Rovinescu And Strom are calling it.....fake news. [/color]
Link?
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Old 7th Mar 2019, 14:42
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Air Canada YHZ -
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Old 7th Mar 2019, 19:09
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Good Afternoon All:

The other day a Air Canada B-767-300 landing at YHZ in a crosswind ended up off of the runway. My understanding is that it was stopped or at a very low taxi speed on a ice covered section when the cross wind “weather cocked” the airplane off of the runway. Weather cocking is a function of the friction coefficient vs perpendicular wind speed. Low friction coefficient and high wind speed means tires will not hold aircraft in place. Can occur in motion or stationary. I have seen it/experienced it on an iced ramp and check the video below of a WestJet which also happened to be in Halifax on the gate a few years ago.

Most important thing is to wait for the T.S.B. report. I might add 15 33 and 05 at CYHZ can be "fun" in bad weather but I digress...


Last edited by a330pilotcanada; 7th Mar 2019 at 19:17. Reason: additional comment
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Old 7th Mar 2019, 19:17
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Was the 30 minute CVR overwritten again in this incident? In the U.S. the NTSB is pushing for a 25 hour CVR requirement.
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Old 7th Mar 2019, 21:28
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I was not there but apparently the latest runway report
had no mention of ice on the runway. As the were attempting to exit at very slow speed the aircraft started to slowly weather cock into wind and the aircraft came to a stop with a MLG up against a unplowed windrow which was on the runway. There was no excursion.

An airbus landed on 32 and apparently just shut down on the runway due to how icy the runway and taxiway was without any heads up from Nav Canada.

YHZ is a poorly run airport. Probably one of the two airports in the country with the most consistently poor weather coupled with a decent amount of jet traffic. Before my fleet was equipped with GPS we either had to fly the ILS 14/LOC5 and then circle for 32 any time the wind was out of the north. 14/32 does not have CL lights. But the terminal has been updated to be very modern. Its no surprise that issues keep popping up in YHZ. It routinely has very poor/slippery weather.

i think on this day the truck that applies chemicals was broken.. they had FZRA at some point and the water had a few dreeze thaw cycles and volia! You get a skating rink.

i hope NTSB takes a look and files a small report. Id be curious to see what happened.
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Old 7th Mar 2019, 21:50
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Originally Posted by PJ2 View Post
Link?
It wouldn’t dare
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Old 7th Mar 2019, 22:44
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Here's the weather they had a few minutes before landing:

CYHZ 042209Z 32024G29KT 1 1/4SM R23/3000VP6000FT/U R14/3000VP6000FT/U -FZDZ BR VV002 M01/M01 A2914 RMK FG8 PRESRR SLP875

AC614 did a Cat II approach to 23. Tower gave 350/24G31 for the winds.

AC672 was the A320 stuck on 32 at the same time.

Landing was around 2230Z, the LiveATC.net audio of the event is in last few minutes of this first clip and the first few minutes of the second:


http://archive-server.liveatc.net/cy...2019-2200Z.mp3

http://archive-server.liveatc.net/cy...2019-2230Z.mp3
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Old 7th Mar 2019, 23:27
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[QUOTE=a330pilotcanada;10409794]Good Afternoon All:

The other day a Air Canada B-767-300 landing at YHZ in a crosswind ended up off of the runway. My understanding is that it was stopped or at a very low taxi speed on a ice covered section when the cross wind “weather cocked” the airplane off of the runway. Weather cocking is a function of the friction coefficient vs perpendicular wind speed. Low friction coefficient and high wind speed means tires will not hold aircraft in place. Can occur in motion or stationary. I have seen it/experienced it on an iced ramp and check the video below of a WestJet which also happened to be in Halifax on the gate a few years ago.

Most important thing is to wait for the T.S.B. report. I might add 15 33 and 05 at CYHZ can be "fun" in bad weather but I digress...


about ice - taxiways and weathercocking what happens when you shut down engines on taxiway in alaska



a bit of wind- a bit of ice and . . .
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Old 8th Mar 2019, 22:46
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Originally Posted by Airbubba View Post
Here's the weather they had a few minutes before landing:

CYHZ 042209Z 32024G29KT 1 1/4SM R23/3000VP6000FT/U R14/3000VP6000FT/U -FZDZ BR VV002 M01/M01 A2914 RMK FG8 PRESRR SLP875

AC614 did a Cat II approach to 23. Tower gave 350/24G31 for the winds.




http://archive-server.liveatc.net/cy...2019-2200Z.mp3

http://archive-server.liveatc.net/cy...2019-2230Z.mp3
Why were they doing a CAT II approach with minimums for a CAT I approach? I thought CAT II approaches had a maximum crosswind component of 15 kts and those winds were certainly more than 15 kts crosswind.
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Old 9th Mar 2019, 02:38
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Originally Posted by Jet Jockey A4 View Post
Why were they doing a CAT II approach with minimums for a CAT I approach? I thought CAT II approaches had a maximum crosswind component of 15 kts and those winds were certainly more than 15 kts crosswind.
Good question. Approach tells AC672 that AC614 will do a Cat II approach on 23 at about 25:20 in the first clip linked above.
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Old 10th Mar 2019, 00:37
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Can one do a CAT II with a manual landing? Not at our xompany but maybe that is just a company restriction.......Not sure.
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Old 10th Mar 2019, 07:50
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With CAT III autoland is compulsory. There’s no regulation banning manual landing with CAT II.
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Old 10th Mar 2019, 15:16
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In my last company we always did a manual landing from a CAT II approach. Why? The aircraft was not equipped for auto-landings!
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Old 10th Mar 2019, 15:42
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Originally Posted by FreezingDrizzle View Post
With CAT III autoland is compulsory. There’s no regulation banning manual landing with CAT II.

Are you sure about that?

Some aircrafts are certified to CAT IIIa manually flown so no autoland.
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Old 10th Mar 2019, 21:44
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Originally Posted by Jet Jockey A4 View Post
Are you sure about that?

Some aircrafts are certified to CAT IIIa manually flown so no autoland.
My bad. It seems there is an exception to the autoland requirement for CAT IIIa if the aircraft is equipped with a HUD and certified for CAT IIIa manual landing with HUD.

CAT IIIb is autoland always.
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Old 11th Mar 2019, 16:03
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25 years ago we were landing our DC-9 aircraft manually in CATII conditions. There was NO auto land on a DC-9. The autopilot could be used down to 80% of minimums (80 feet AGL) .
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Old 11th Mar 2019, 16:18
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Originally Posted by a330pilotcanada View Post
Good Afternoon All:

The other day a Air Canada B-767-300 landing at YHZ in a crosswind ended up off of the runway. My understanding is that it was stopped or at a very low taxi speed on a ice covered section when the cross wind “weather cocked” the airplane off of the runway..........................................
The aircraft never left the runway. That is just more click bait "FAKE NEWS" to sell more advertising.


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