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NMERider
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PostPosted: Mon Jul 30, 2012 12:23 am    Post subject: Tight Landing in Sterling Reply with quote #1   
Me and ChrisWVV met up on Crestline w/ the intention of flying to his new place in Oak Glen, 25 miles East. The weather had other plans in store:

Link

Big thanks to Chris and Kelly for the retrieve from this little field that I've been eye-balling from the air for the past three years and have now become well acquainted. Laughing



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mrcc
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PostPosted: Mon Jul 30, 2012 1:33 am    Post subject: Reply with quote #2   
Must say its got to be one of your most exciting approach & landing in turbulent conditions.
mosh thumbsup

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Oakdude
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PostPosted: Mon Jul 30, 2012 3:58 am    Post subject: Reply with quote #3   
Good stuff.
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ChattaroyMan
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PostPosted: Mon Jul 30, 2012 5:02 am    Post subject: Reply with quote #4   
Ya got 'er down - nothing bent - tree's still in good shape - Nice day! thumbsup
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Heli1
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PostPosted: Mon Jul 30, 2012 5:54 am    Post subject: Reply with quote #5   
Nice video, and flying. I do like different camera angles thumbsup
Beautiful area.Looks like a hot spot, with all those swimming pools around. drool
Not many of those over here Laughing
Jan
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Mavi Gogun
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PostPosted: Mon Jul 30, 2012 6:43 am    Post subject: Reply with quote #6   
Why no "flaps" for the landing?
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NMERider
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PostPosted: Mon Jul 30, 2012 6:49 am    Post subject: Reply with quote #7   
Mavi Gogun wrote:
Why no "flaps" for the landing?
Look again.
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NMERider
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PostPosted: Mon Jul 30, 2012 6:53 am    Post subject: Reply with quote #8   
Heli1 wrote:
Nice video, and flying. I do like different camera angles thumbsup
Beautiful area.Looks like a hot spot, with all those swimming pools around. drool
Not many of those over here Laughing
Jan
Thanks Jan. I've forgotten just how many backyards pools there are in SoCal. The things we stop noticing.
Cheers, Jonathan
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NMERider
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PostPosted: Mon Jul 30, 2012 6:55 am    Post subject: Reply with quote #9   
ChattaroyMan wrote:
....tree's still in good shape....
Laughing
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NMERider
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PostPosted: Mon Jul 30, 2012 6:57 am    Post subject: Reply with quote #10   
mrcc wrote:
Must say its got to be one of your most exciting approach & landing in turbulent conditions.
mosh thumbsup
Thanks. Good thing I've been practicing my final leg dives in turbulence at altitude. Lots to prepare for of some of these quasi-urban XC flights.
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Mavi Gogun
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PostPosted: Mon Jul 30, 2012 10:11 am    Post subject: Reply with quote #11   
NMERider wrote:
Look again.


Ah... ya- pretty clear in the last frame.
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NMERider
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PostPosted: Mon Jul 30, 2012 1:15 pm    Post subject: Reply with quote #12   
Mavi Gogun wrote:
NMERider wrote:
Look again.

Ah... ya- pretty clear in the last frame.

I ran the number on this bailout field as follows:

According to Google Earth this field drops 25' in the 423' I used to land. That's a 17:1 slope. My sensor has ~10:1 glide w/ VG off. Do the math. My effective glide angle now becomes 24:1

That means I had to come in no more than 17' above the lip of the field in order not to overshoot the tree. From the air I could see that a portion of the field was either level or sloped up. GE shows this as actually nearly level. Landing upslope rather than down yields the risk of overshooting into the drainage ditch North of the field. I'd rather hit the dead tree than do that.

Normally, I look for ridge fingers to land on going upslope and just figure on hiking down. This is a reminder to always make that a priority over the convenience of landing next to homes and businesses. These are the hazards of XC on HG in the LA Basin.
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AIRTHUG
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PostPosted: Mon Jul 30, 2012 3:56 pm    Post subject: Reply with quote #13   
NMERider wrote:
That means I had to come in no more than 17' above the lip of the field in order not to overshoot the tree.

Or land in another direction?

NMERider wrote:
Landing upslope rather than down yields the risk of overshooting...

Hmmm... okayyy?

NMERider wrote:
This is a reminder to always make that a priority over the convenience of landing next to homes and businesses. These are the hazards of XC on HG in the LA Basin.

These are the hazards of Jonothan Dietch's decision making... You should really own that, not pass it off. I really don't know *anyone* that has incidents with the frequency you do. Notice I say incidents, not accidents. You have been really lucky so far, very few of your incidents resulted in actual accidents.... but...

I know Jonno will not hear what I say, so please note that these comments are for OTHER readers benefit- I hope people can look at the video, what he said, and think for themselves on whether this landing could have gone very differently, with a larger margin for safety.

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NMERider
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PostPosted: Mon Jul 30, 2012 4:27 pm    Post subject: Reply with quote #14   
AIRTHUG wrote:
NMERider wrote:
That means I had to come in no more than 17' above the lip of the field in order not to overshoot the tree.

Or land in another direction?

NMERider wrote:
Landing upslope rather than down yields the risk of overshooting...

Hmmm... okayyy?

NMERider wrote:
This is a reminder to always make that a priority over the convenience of landing next to homes and businesses. These are the hazards of XC on HG in the LA Basin.

These are the hazards of Jonothan Dietch's decision making... You should really own that, not pass it off. I really don't know *anyone* that has incidents with the frequency you do. Notice I say incidents, not accidents. You have been really lucky so far, very few of your incidents resulted in actual accidents.... but...

I know Jonno will not hear what I say, so please note that these comments are for OTHER readers benefit- I hope people can look at the video, what he said, and think for themselves on whether this landing could have gone very differently, with a larger margin for safety.

All of Ryan's points have validity. Anyone should feel free to use this and related videos and my comments as cautionary illustration regarding hazards of XC flying in the LA Basin and similar locales.

I try to post without conceit or self-justification. I do this simply because I enjoy the flying along w/ producing a micro-documentary and vicarious expereince for the viewer. I enjoy and appreciate all the videos by Jeb Corliss and his peers but have no interest or desire to fly a wing suit. There's a lot of good POV video out there that gives vicarious experiences of many things I'll never pursue. This is my small contribution to the pool of media.

OTOH I like flying in smooth evening winds which is why I went back up afterwards for another flight to relax and get away from the stress of XC flying and be able to land in predictable conditions for a change: http://www.hanggliding.org/viewtopic.php?t=26754



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dave hopkins
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PostPosted: Mon Jul 30, 2012 4:53 pm    Post subject: Reply with quote #15   
AIRTHUG wrote:
NMERider wrote:
That means I had to come in no more than 17' above the lip of the field in order not to overshoot the tree.

Or land in another direction?

NMERider wrote:
Landing upslope rather than down yields the risk of overshooting...

Hmmm... okayyy?

NMERider wrote:
This is a reminder to always make that a priority over the convenience of landing next to homes and businesses. These are the hazards of XC on HG in the LA Basin.

These are the hazards of Jonothan Dietch's decision making... You should really own that, not pass it off. I really don't know *anyone* that has incidents with the frequency you do. Notice I say incidents, not accidents. You have been really lucky so far, very few of your incidents resulted in actual accidents.... but...

I know Jonno will not hear what I say, so please note that these comments are for OTHER readers benefit- I hope people can look at the video, what he said, and think for themselves on whether this landing could have gone very differently, with a larger margin for safety.


Rayan , You havn't been flying XC long enough to brush the dust off Mr. Dietch 's sneakers ! ROFL

Dave
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NMERider
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PostPosted: Mon Jul 30, 2012 5:32 pm    Post subject: Reply with quote #16   
dave hopkins wrote:
...
Rayan , You havn't been flying XC long enough to brush the dust off Mr. Dietch 's sneakers ! ROFL

Dave
Laughing Laughing
To Ryan's credit Dave, this was a worthwhile post and was not antagonistic. Hopefully the trend continues and I'll try not to bait. Ryan has a responsibility as an instructor, RD and contributor to the USHPA mag to promote safety. At least he's stepping up to the plate. thumbsup
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dave hopkins
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PostPosted: Mon Jul 30, 2012 6:35 pm    Post subject: Reply with quote #17   
NMERider wrote:
dave hopkins wrote:
...
Rayan , You havn't been flying XC long enough to brush the dust off Mr. Dietch 's sneakers ! ROFL

Dave
Laughing Laughing
To Ryan's credit Dave, this was a worthwhile post and was not antagonistic. Hopefully the trend continues and I'll try not to bait. Ryan has a responsibility as an instructor, RD and contributor to the USHPA mag to promote safety. At least he's stepping up to the plate. thumbsup


sheess, his head will swell up and not fit his helmet. Mr. Green
There is no doubt that if you fly XC every day that you may find your self faced with a challenging LZ. Keeping a calm head and flying the glider to the end gets us through it safely . We can in hind sight say we made a bad decision and try to be more conservitive in the future. We do have to set some limits. I keep trying. owned

Dave
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AIRTHUG
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PostPosted: Mon Jul 30, 2012 8:04 pm    Post subject: Reply with quote #18   
You're right, there's way too much dust on Dietch's shoes for me

And you're also right, people won't always perform perfectly. There will be errors in decision making, errors in execution... It's human. But like you said, in hind-sight we need to be able to say we made a bad decision. It's how we learn, how we grow...

Jonno actually did the opposite, reinforcing his decision to land downhill. I just wanted to amend that thought for others who may be trying to learn.

Glad Jon took it well- no offense is meant, just trying to help people see how they can increase their margin of safety... Like you said, humans make mistakes. One of the biggest ones is not leaving enough margin to be human

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NMERider
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PostPosted: Mon Jul 30, 2012 8:09 pm    Post subject: Reply with quote #19   
AIRTHUG wrote:
....Jonno actually did the opposite, reinforcing his decision to land downhill....
Where'd you get this notion?
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AIRTHUG
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PostPosted: Mon Jul 30, 2012 8:14 pm    Post subject: Reply with quote #20   
NMERider wrote:

That means I had to come in no more than 17' above the lip of the field in order not to overshoot the tree. From the air I could see that a portion of the field was either level or sloped up. GE shows this as actually nearly level. Landing upslope rather than down yields the risk of overshooting into the drainage ditch North of the field. I'd rather hit the dead tree than do that.

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