Air Canada Accident in YHZ

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Air Canada Accident in YHZ

Post by boxcut » Sat Mar 28, 2015 9:14 pm

150221 NOTAMN CYHZ HALIFAX/STANFIELD INTL
CYHZ RWY 05/23 CLSD
1503290349 TIL 1503290900

Aircraft disabled on runway. Heavy damage to nose and port wing of an AC A320 apparently. Landing 05 and apparently the power at the airport failed. Aircraft disabled near taxiway bravo, which is very very short for landing on 05.

All second hand info at this point, waiting for more official words from media, AC, or TC.
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Last edited by boxcut on Sat Mar 28, 2015 9:31 pm, edited 1 time in total.

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Re: Air Canada Accident in YHZ

Post by CFM Symphony » Sat Mar 28, 2015 9:28 pm

Been sitting at our gate here in YHZ waiting for things to improve. Strong crosswind and poor CRFI. Everyone seems to be ok after evacuation. Last group of people still waiting to get picked up off the button of 05. There was a power failure right as they were on short final.
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Re: Air Canada Accident in YHZ

Post by xchox » Sat Mar 28, 2015 9:41 pm

Funny how RT is reporting before anyone else:

http://rt.com/news/244953-air-canada-crash-halifax/
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Re: Air Canada Accident in YHZ

Post by I_Heart_Seaplanes » Sat Mar 28, 2015 9:42 pm

Hope everyone is indeed ok.

Did the power failure happen before the crash, or did the a/c damage something? The wording of the early reports is unclear on that. If it happened before the crash...how is that possible? I was under the impression that runway lighting and approach navaids were backed up by a generator that was running anytime the airport was IMC.
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Re: Air Canada Accident in YHZ

Post by boxcut » Sat Mar 28, 2015 9:54 pm

I_Heart_Seaplanes wrote:Hope everyone is indeed ok.

Did the power failure happen before the crash, or did the a/c damage something? The wording of the early reports is unclear on that. If it happened before the crash...how is that possible? I was under the impression that runway lighting and approach navaids were backed up by a generator that was running anytime the airport was IMC.
Well I doubt that the aircraft damaged power lines to the airport, those tend to be kept away from runway approaches for this very reason.

As to the generator, YHZ does have backup power. But generators do fail, a lot. I don't want to make guesses right now as to why all the power failed.

I am hoping everyone onboard the flight is safe, and injuries are minor or non-existant. Hopefully the CBC or AC will release a statement to that effect soon.
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Re: Air Canada Accident in YHZ

Post by pianokeys » Sat Mar 28, 2015 9:54 pm

AC's twitter eludes to it being an overrun. The ex at YHZ isn't anything nice thats for sure...

SPECI CYHZ 290414Z 34024G33KT 3/4SM R14/P6000FT/U -SN DRSN BKN010
OVC018 M06/M07 A2965 RMK SF7SC1 SLP046=
METAR CYHZ 290400Z 34019G54KT 3/4SM R14/5000VP6000FT/D -SN DRSN
BKN007 OVC010 M06/M07 A2964 RMK SF7SC1 SLP045=
SPECI CYHZ 290313Z 35020G26KT 1/2SM R14/3500V4500FT/N SN DRSN VV003
M06/M07 A2963 RMK SN8 SLP040=
METAR CYHZ 290300Z CCA 34019G25KT 1/4SM R14/P6000VM0300FT/N +SN DRSN
VV003 M06/M07 A2962 RMK SN8 /S09/ SLP038=
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Re: Air Canada Accident in YHZ

Post by pianokeys » Sat Mar 28, 2015 9:56 pm

boxcut wrote:Well I doubt that the aircraft damaged power lines to the airport, those tend to be kept away from runway approaches for this very reason.
MKs 742 crash 10 years ago took out power to the airport, its off the end of 23.
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Re: Air Canada Accident in YHZ

Post by boxcut » Sat Mar 28, 2015 10:01 pm

pianokeys wrote:AC's twitter eludes to it being an overrun.
AC Twitter:
Confirms AC624, YYZ-YHZ exited runway upon landing at Halifax. All passengers have deplaned, going to terminal. More updates to come.

Exited the runway doesn't mean overrun. Good to know that all passengers got off the aircraft.

Here is the end of runway 5, so there are powerlines there, but if they clipped them, that would be some serious damage since they'd hit that hill and all the lights onthe approach for sure.

https://maps.google.ca/maps?ll=44.86362 ... 99,,0,-0.3
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Last edited by boxcut on Sat Mar 28, 2015 10:06 pm, edited 1 time in total.

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Re: Air Canada Accident in YHZ

Post by FICU » Sat Mar 28, 2015 10:05 pm

Exited = excursion.
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Re: Air Canada Accident in YHZ

Post by pianokeys » Sat Mar 28, 2015 10:09 pm

I wonder if it caused the outage, or if the outage caused the crash, as in the outage was at the worst possible time around DH.

True, exited doesn't mean an overrun, but it also doesn't mean it wasn't an overrun. CRFI was pretty shitty.

CYHZ RSC 05/23 120 FT CL 70 PCT WET SN TRACE, 30 PCT BARE AND DAMP.
REMAINING WID 100 PCT WET SN 0.75 INS. RMK: SNOW REMOVAL IN
PROGRESS.. 2 FT SN BANK 10 FT OUTSIDE NORTH AND SOUTH RWY EDGE.
1503290115
CYHZ CRFI 05/23 -5C .36 1503290115
CYHZ RSC 14/32 80 PCT SN DRIFTS 1.5 INS, 20 PCT BARE AND DAMP. 2 FT
SN BANK 10 FT OUTSIDE EAST AND WEST RWY EDGE. 1503290117
RMK: TWY ALPHA, JULIET, KILO, WET SNOW 100 PCT, TRACE BRAVO,
CHARLIE, WET SNOW 100 PCT, 1 1/2IN DELTA LONG, ECHO, FOXTROT, GOLF,
HOTEL, MIKE, WET SNOW 100 PCT, 1IN DELTA SHORT, WET SNOW 100 PCT,
1/8IN
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Re: Air Canada Accident in YHZ

Post by GyvAir » Sat Mar 28, 2015 10:24 pm

"...we'll turn off the lights wherever safe & practical. Join us!"
ACTWIT.jpg
ACTWIT.jpg (291.23 KiB) Viewed 16714 times
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Last edited by GyvAir on Sat Mar 28, 2015 10:29 pm, edited 1 time in total.

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Re: Air Canada Accident in YHZ

Post by PositiveRate27 » Sat Mar 28, 2015 10:28 pm

I'd say a power outage would likely have to be in the flair to cause this, not at DH. If the lights go out around DH they are going missed. This has actually happened to me and there is plenty of time to react, even lower than DH. I highly doubt the power went out before the crash.
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Re: Air Canada Accident in YHZ

Post by Deadwood » Sat Mar 28, 2015 10:49 pm

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Re: Air Canada Accident in YHZ

Post by FICU » Sat Mar 28, 2015 10:53 pm

Deadwood wrote:Photo of the aircraft
:shock:
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Re: Air Canada Accident in YHZ

Post by GyvAir » Sun Mar 29, 2015 12:36 am

There is nattering online about power lines along Old Guysborough Road having been knocked down by the aircraft on approach. I had a look on google street view. The lines are not buried in the vicinity of the approach paths, but don't appear to be particularly high or close to the ends of the runways either.

Google street view of wires and 05 approach lights.

https://www.google.ca/maps/@44.863427,- ... !2e0?hl=en

I know perspectives and photos can be deceiving, but it certainly looks like if one caught those wires on approach, the approach lights are going to be way too close for comfort a second later as well.
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Last edited by GyvAir on Sun Mar 29, 2015 1:03 am, edited 1 time in total.

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Re: Air Canada Accident in YHZ

Post by FICU » Sun Mar 29, 2015 12:54 am

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Re: Air Canada Accident in YHZ

Post by justwork » Sun Mar 29, 2015 1:34 am

I am very relieved to hear no one was killed. Great quote from the CBC article:
Spurway said the incident was not a crash because it is believed the plane was under control as it came in. He said there's no indication what caused the hard landing and he did not know the condition of the plane.
I believe this is virtually the definition of CFIT. Not the accident itself, just the quote "because it was under control as it came in".

Again I am relieved everyone is alive. Also, I've been at the Halifax airport all night, been interesting.
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Re: Air Canada Accident in YHZ

Post by Mig29 » Sun Mar 29, 2015 1:56 am

Glad everyone got out alive!

Too early to say, but with that weather I wonder if guys did an autoland? If the power failed around the same time and generators didn't kick in, maybe the guys lost the "flare" and "rollout" capability in final stages of landing and the plane hit hard the runway (as some media reported) .....??

As I said glad everyone got out..but it sure will be bad press for Airbus this week.
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Re: Air Canada Accident in YHZ

Post by CFM Symphony » Sun Mar 29, 2015 3:01 am

There is no ILS on 05 for an autoland. I believe the power outage was due to the aircraft clipping something. We heard their landing clearance, then the power went out, and a few seconds later ATC got fire trucks rolling. There was no communication from the aircraft. The location they were instructed to go to was taxiway B on 05. Incidentally, that's at about the 1000ft mark.
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Re: Air Canada Accident in YHZ

Post by Mig29 » Sun Mar 29, 2015 3:12 am

Thanks CFM, didn't know what runway was in use.
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Re: Air Canada Accident in YHZ

Post by pilotbzh » Sun Mar 29, 2015 3:44 am

Darn they're fast at updating they website......

http://www.planespotters.net/Production ... Canada.php
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Re: Air Canada Accident in YHZ

Post by Heliian » Sun Mar 29, 2015 4:39 am

They had supposedly circled for a while and then found a "window" to land instead of diverting to moncton. The plane caught the powerline coming in so i guess they were too low and then bounced, shed parts and slid on its belly. Luckily there were no majour injuries but confidence in air travel is not good.
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Re: Air Canada Accident in YHZ

Post by FL020 » Sun Mar 29, 2015 5:01 am

I think a 48 hour rule change is in order! No more flying in snow storms.
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Re: Air Canada Accident in YHZ

Post by bizjets101 » Sun Mar 29, 2015 6:30 am

Some more photos from TSB;

Click Here TSB double click on photo to enlarge(from Twitter)

Click Here from TSB Flickr

Click Here from TSB Flickr
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Re: Air Canada Accident in YHZ

Post by Bede » Sun Mar 29, 2015 6:51 am

Forgive me, but I can't help but noticing the irony of air canada tweeting about cutting the power for Earth Hour and the next tweet about an accident which actually cut the power.
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