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HA 51 Weird Flight Path  
User currently offlinesuperman24 From Canada, joined Oct 2009, 42 posts, RR: 0
Posted (2 years 3 months 2 weeks 4 days 13 hours ago) and read 11281 times:

Hello everyone,

Hope you all had a great summer and you all got some flights in. My summer vacation starts in September and I am planning JFK-HNL on HA 51. Therefore I have been following it the past couple of weeks and I noticed yesterday's flight, 08-08-12 took a weird flight path as soon as it entered the pacific. Just wanted to know was that a glitch on flightaware's behalf or did something actually happen?

Thanks everyone and enjoy the rest of your summer.


Cheers!!




http://flightaware.com/live/flight/H...1/history/20120808/1400Z/KJFK/PHNL

11 replies: All unread, jump to last
 
User currently offlinedaviation From , joined Dec 1969, posts, RR:
Reply 1, posted (2 years 3 months 2 weeks 4 days 11 hours ago) and read 11038 times:

I was on HA 51 on July 28th and HA 50 on Aug 4th. HA 51 followed a more southerly route than I expected, leaving the California coast near Los Angeles. I don't recall a single bump during the entire flight. But we were slowed somewhat by headwinds. Flight was 10-3/4 hours.

On the return HA 50, we had to wait for HA 51 to arrive because it ran into strong headwinds, delaying arrival by over an hour. When we finally departed on HA 50, those headwinds became strong tailwinds, and our groundspeed was 660 knots. Flight was 8-3/4 hours. Quite a difference.

So, without knowing too much more, I think the winds have been strong, and routings are adjusted to either avoid or take advantage of headwinds/tailwinds.


User currently offlinerfields5421 From United States of America, joined Jul 2007, 7607 posts, RR: 32
Reply 2, posted (2 years 3 months 2 weeks 4 days 11 hours ago) and read 11027 times:

If you look at the track log, you will see several instances where the aircraft direction changes from the normal 250 degrees or so west course to 66 East or 360 North in one minute.

This is an indication of a glitch in the data.

Nothing unusual about the flight - and nothing unusual about FlightAware 'losing' track of the flight when it is over the ocean.

Personally, I consider FA to be about 50% at best for reliability of their tracks when planes cross the ocean.


User currently offlineteme82 From Finland, joined Mar 2007, 1609 posts, RR: 0
Reply 3, posted (2 years 3 months 2 weeks 4 days 11 hours ago) and read 11027 times:
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Looks fine to me. Perhaps a bug in flightaware...

Not the optimum route. Here's waht gcmap gives me  http://www.gcmap.com/map?P=JFK-HNL&MS=wls&MR=540&MX=720x360&PM=*



Flying high and low
User currently offline26point2 From United States of America, joined Mar 2010, 851 posts, RR: 0
Reply 4, posted (2 years 3 months 2 weeks 3 days 22 hours ago) and read 7971 times:

What Is so weird about it? Everyone who files to BEBOP is cleared direct to BEBOP (actaully to BAART as this is edge of Oceanic airspace) as his flightplan shows. Am I missing something?

User currently offlineN766UA From United States of America, joined Jul 1999, 8341 posts, RR: 23
Reply 5, posted (2 years 3 months 2 weeks 3 days 22 hours ago) and read 7841 times:

No, the airplane fragmented into 8 different pieces, shedding bits into the sea as it flew.

I don't really get why people still question glitches on flight aware? It's not a particularly accurate website and never has been. I would consider it a "for entertainment purposes only" kind of situation.



This Website Censors Me
User currently offlineN766UA From United States of America, joined Jul 1999, 8341 posts, RR: 23
Reply 6, posted (2 years 3 months 2 weeks 3 days 22 hours ago) and read 7802 times:

Quoting 26point2 (Reply 4):

What Is so weird about it? Everyone who files to BEBOP is cleared direct to BEBOP (actaully to BAART as this is edge of Oceanic airspace) as his flightplan shows. Am I missing something?

It shows the flightpath fragmenting off 8 different times, each ending in the middle of the Pacific.



This Website Censors Me
User currently offlineCZ346 From United States of America, joined Feb 2012, 95 posts, RR: 1
Reply 7, posted (2 years 3 months 2 weeks 3 days 19 hours ago) and read 6552 times:

Quoting N766UA (Reply 6):

Quoting 26point2 (Reply 4):

What Is so weird about it? Everyone who files to BEBOP is cleared direct to BEBOP (actaully to BAART as this is edge of Oceanic airspace) as his flightplan shows. Am I missing something?

It shows the flightpath fragmenting off 8 different times, each ending in the middle of the Pacific.

Yeah, I mean it's flight aware. I'm not 100% HOW they track their flights and what sources are used, but typically over ocean and less controlled airspace it screws up. Aside from the fact that it's clearly estimated, right before the green line end and the estimate path begins on UA117 here, it shows it making some really obnoxious turns right before Greenland. http://flightaware.com/live/flight/UAL117

Gotta love it though!


User currently offlineSuperman24 From Canada, joined Oct 2009, 42 posts, RR: 0
Reply 8, posted (2 years 3 months 2 weeks 3 days 2 hours ago) and read 4106 times:

So what is a good accuerate flight tracker for North America. Because on European flights with flightaware it just stops tracking after a certain point.

BTW, thank you everyone for your great responses.

Cheers!!


User currently offlineSuperman24 From Canada, joined Oct 2009, 42 posts, RR: 0
Reply 9, posted (2 years 3 months 2 weeks 3 days 2 hours ago) and read 4104 times:

Quoting daviation (Reply 1):

Did you sit in first class? How was your experience with HA? I usually fly United PS from JFK to SFO or LAX but opted for this instead. Please let me know how it was.


Thank you!


User currently offlineDocLightning From United States of America, joined Nov 2005, 20213 posts, RR: 59
Reply 10, posted (2 years 3 months 2 weeks 3 days ago) and read 3933 times:

Quoting N766UA (Reply 5):
No, the airplane fragmented into 8 different pieces, shedding bits into the sea as it flew.

Don't joke. One A330 already went swimming. May it never happen again.   

I do wonder what makes a computer split the track into all those separate pieces. You'd think that if it were uncertain, it would average the tracks.


User currently offlinerfields5421 From United States of America, joined Jul 2007, 7607 posts, RR: 32
Reply 11, posted (2 years 3 months 2 weeks 3 days ago) and read 3886 times:

You can see in the tracking log how it loses the plane position and course, resets to the last know good back near the coast, sets a new good position, loses the position again, resets back to the position near the coast, repeat, rinse, repeat, etc.

That's why the course fragments.

Flightaware does not average - it just plots the positions it receives for the aircraft. If anything interupts the flow of position information, you get strange plots like this one.


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