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Fatality: Twin Falls, Idaho, April 10, 2007
Press report here.

In reply to:
BASE jumper dies
Man's chute didn't open before landing
By Cassidy Friedman
Times-News writer
TWIN FALLS - An unidentified man was killed BASE jumping off the Perrine Bridge on Tuesday afternoon when his parachute did not open and he landed on the southeast bank.

At 4:46 p.m., someone called Southern Idaho Regional Communications to report the accident.

The jumper had alerted dispatchers, according to protocol, that he would be BASE jumping from the bridge, according to Nancy Howell, spokeswoman for the Twin Falls County Sheriff's Office. At that time, sustained 24 mph winds were clocked at Joslin Field, Magic Valley Regional Airport, with 30 mph gusts - the windiest day since Feb. 23.

No laws prohibit jumping from the Perrine Bridge when weather conditions are severe.

Twin Falls Sheriff deputies are leading the investigation.

Deputies examined the scene and an Audi station wagon bearing Massachusetts plates and a parachutists' association bumper sticker that was parked in the visitor center's parking lot.


The jumper's family and friends have been notified.

No jumper has yet examined the gear, but it appears that this was a closed container impact. The coroner told me that the pilot chute appeared to be fully extracted and unrestrained. Winds yesterday were both very high and turbulent (so much so that initially local jumpers refused to believe this was a BASE accident, because none of us could imagine that anyone would have been jumping in these conditions). My best speculation is that the strong, turbulent tailwind blew the PC or bridle into some kind of entanglement with the jumper when he pitched, but that is largely conjecture, based on my conversation with the coroner and reports from spectators (that the parachute never deployed), both of which sources lack any technical expertise or familiarity with parachute systems.
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Re: [TomAiello] Fatality: Twin Falls, Idaho, April 10, 2007
I was curious what Base jumpers would consider to be too windy so I looked up yesterday's info on weather.com. I'm not sure if how this represents actual conditions at the bridge since this report is for for the general township.

YESTERDAY'S WEATHER for Twin Falls, ID
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Re: [TomAiello] Fatality: Twin Falls, Idaho, April 10, 2007
The List has been updated . . .

NickD
BASE 194
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Re: [Treejumps] Fatality: Twin Falls, Idaho, April 10, 2007
If you click on the video in the local newspaper (the link Tom posted upboard) you can actually see whitecaps in the Snake River . . .

NickD
BASE 194
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Re: [Treejumps] Fatality: Twin Falls, Idaho, April 10, 2007
In reply to:
Darwin has claimed another. Frown

You might be the next, and there will be another jerkoff who will write this about you
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Re: [Treejumps] Fatality: Twin Falls, Idaho, April 10, 2007
i know 5 of my BASE friends would jump in this windcondition...i don`t partificate in theyre jumps much more...i think they are taken way to much risk...i hope they make it in the long runUnimpressed
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Re: [DJL] Fatality: Twin Falls, Idaho, April 10, 2007
In reply to:
I'm not sure if how this represents actual conditions at the bridge since this report is for for the general township.

The bridge is usually one of the windiest places in town, especially out at the exit point, where the canyon can channel winds.

At my house, which is in a quite protected part of town (lots of other buildings and big trees), the windows were rattling all day yesterday.

Data from the Perrine Bridge NOAA station (which is located in the parking lot of the visitors' center) is available on-line here, and records winds of 17-23 mph at the time the 911 call was placed.
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Re: [TomAiello] Fatality: Twin Falls, Idaho, April 10, 2007
From the weather station in the visitor's center parking lot:

Weather Conditions for ITD08
Current time: April 11, 2007 - 8:29 MDT
Most Recent Observations at April 11, 2007 - 7:45 MDT 7:45
Max since Midnight Min since Midnight 24 Hour Max 24 Hour Min
Temperature 31.3° F 34.7 at 0:25 28.2 at 6:45 46.9 at 16:45 28.2 at 6:45
Dew Point 23.6° F 23.6 at 7:45 20.2 at 0:25 31.0 at 8:45 18.3 at 18:45
Relative Humidity 73% 78 at 4:45 55 at 0:25 78 at 4:45 32 at 16:25
Wind Speed 1 mph from ESE 14 at 1:25 0 at 7:25 24 at 13:45 0 at 7:25
Wind Gust 2 mph 17 at 1:25 0 at 7:25 40 at 13:45 0 at 7:25
Weather conditions unknown prcp - - - -

40mph - Come on - WTF. And with all due respect to the decedent - Tree has every right to be frustrated.
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Re: [Diezel] Fatality: Twin Falls, Idaho, April 10, 2007
In reply to:
You might be the next, and there will be another jerkoff who will write this about you

The beauty of BASE: when you fuck up, everybody gets to piss on your grave and watch the video in slow-mo over and over again. Carnage tape is due for re-edit.

Don't fuck up!

bsbd!

Yuri.
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Re: [worldsocold] Fatality: Twin Falls, Idaho, April 10, 2007
Just to set the record straight:

wind induced bridle entanglement is a pure speculation.

wind conditions recorded by the local station:

http://raws.wrh.noaa.gov/cgi-bin/roman/meso_base_past.cgi?stn=ITD08&unit=0&time=LOCAL&day1=10&month1=04&year1=2007&hour1=17

Tabular Listing: April 9, 2007 - 16:00 through April 10, 2007 - 17:00 MDT Time(MDT) Temperature Dew Relative Wind Wind Wind Quality Weather
Point Humidity Speed Gust Direction check conditions
╟ F ╟ F % mph mph
16:45 46.9 18.6 32 17 23 SSW OK unknown prcp
16:25 46.8 18.5 32 18 23 WSW OK unknown prcp


accident was called in at 16.46 - winds seem to be a perfect crosswind from jumper left to right gusting at 23 on the bridge ground level.

3 seconds of freefall yields 61mph of vertical speed
4 seconds yields 72 mph of vertical speed.

the wind was perfectly jumpable. Some may agrue that it was not "safely" landable. but this was not a landing accident.


RIP. we will miss you.
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Re: [cornishe] Fatality: Twin Falls, Idaho, April 10, 2007
Not another... Frown

RIP... BLU 1's...
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Re: [VictorSuvorov] Fatality: Twin Falls, Idaho, April 10, 2007
>>wind induced bridle entanglement is a pure speculation.<<

Granted, but regardless, all five Perrine Bridge fatalities, including this one, involved pilot chute problems.

And that has "trend" written all over it.

So the real question is why?

NickD Smile
BASE 194
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Re: [Diezel] Fatality: Twin Falls, Idaho, April 10, 2007
In reply to:
In reply to:
Darwin has claimed another. Frown

You might be the next, and there will be another jerkoff who will write this about you

that jerkoff will likely be me...

Why people are so senstve is totally beyond me, them basketball chicks did look like prostitutes!
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Re: [VictorSuvorov] Fatality: Twin Falls, Idaho, April 10, 2007
In reply to:
tly jumpable. Some may agrue that it was not "safely" landable. but this was not a landing accident.


RIP. we will miss you.

kinda. i would jump if it was a head/tailwind upriver or down, but not if the wind blows accross the canyon. i cant remember what way it faces, i think the bridge is staight at about, 030 degrees? i just remember the sun rising close to directly facing normal exit side.
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Re: [AFFI] Fatality: Twin Falls, Idaho, April 10, 2007
>>Why people are so senstve is totally beyond me<<

I notice it too.

Really, I'm not trying to be insensitive, but the way we dealt with these things in the past is nothing like nowadays. Maybe it's a defense mechanism, but now it's so many prayers and condolences, when it used to be we'd just sit and snicker, "better him than me . . ."

Two ways of doing the same thing, I suppose . . .

NickD Smile
BASE 194
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Re: [AFFI] Fatality: Twin Falls, Idaho, April 10, 2007
You get sensitive when you put a real face on the name in the accident report
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Re: [Para_Frog] Fatality: Twin Falls, Idaho, April 10, 2007
what way was the wind going? this pic is north-oriented from google earth.

i know its not a wind incident, but i want to know for judgement of the departed's judgement.
n203002032_30204509_6610.jpg
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Re: [Diezel] Fatality: Twin Falls, Idaho, April 10, 2007
Yeah, guilty as charged. But it still sucks . . .

I'm just like everyone else now. More so when it's someone I knew.

It used to be, when the sport was smaller, I knew everyone. And those were the toughest days of doing the List.

Now it's impossible, but the distance (not personally knowing everyone) is somewhat of a saving grace, and the only thing that allows me to continue the List.

However, the best favor we could all do each other is just stop dying . . .

Sometimes I think when I finally turn the List over to someone else; maybe it shouldn't be a jumper at all. It will just ruin too many of their days . . .

NickD Smile
BASE 194
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Re: [Calvin19] Fatality: Twin Falls, Idaho, April 10, 2007
17-23 MPH ssw. crosswind from the left to the right.
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Re: [Diezel] Fatality: Twin Falls, Idaho, April 10, 2007
In reply to:
You get sensitive when you put a real face on the name in the accident report

some do. many do not.

people feeling sensitive may have witnessed the jump, may have known the jumper very well, or may not be prepared for the harsh realities of the sport...

amazingly simple things continue to kill. it matters not whom you are.

many jumpers use accidents to think through many scenarios and determine if they themselves are properly prepared. no one wants to be next on "The List."

unfortunately, this can interfere with grieving. as death is nothing new to this sport, the best advice to those in grief: avoid this forum. you can control your own behavior far easier than you can control that of others...

RIP
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Re: [Calvin19] Fatality: Twin Falls, Idaho, April 10, 2007
In reply to:
what way was the wind going? this pic is north-oriented from google earth.

It was pretty much a tailwind all day. The flags on Blue Lakes were all pegged straight out.

I don't think the conditions were decently landable. I do think that the exit and deployment would have been quite doable if you did a full floater, but I don't think a forward facing exit in these conditions would be a very good idea. I don't think anyone knows what sort of exit was performed by this jumper.

The real problem with the conditions yesterday was the massive turbulence. We had gusts rising and falling 15 mph from the average in a matter of seconds. It was not a good day to be flying a parachute, but since our best information is that this was a closed container at impact, that makes pretty much no difference to the outcome in this case.

Let me repeat that my speculation about bridle entanglement was just that--speculation. Hence my use of the words "speculation" and "conjecture" in that paragraph of my original post. Absent someone coming forward with video or photographs of the accident, which seems exceedingly unlikely at this point, we will never know exactly what happened. Bridle wrap, late pull, container lock, pilot chute constriction...the list of potential malfunctions that conform to the established fact pattern is quite long.
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Re: [NickDG] Fatality: Twin Falls, Idaho, April 10, 2007
In reply to:
all five Perrine Bridge fatalities, including this one, involved pilot chute problems.

And that has "trend" written all over it.

So the real question is why?

The other major factors in incidents (from my reading) are not problems at this site:
  • object strikes
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    Re: [Treejumps] Fatality: Twin Falls, Idaho, April 10, 2007
    I was not there. i wish i was.
    to determine the conditions at the time of the accident i looked at the record by the local weather station. the record could be wrong.

    Knowing the jumper leads me to believe that he is more likely to take a longer delay.

    to clarify: when the conditions are "perfectly jumpable" but not landable i would not jump.
    Please do not pull the words out of context
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    Re: [Diezel] Fatality: Twin Falls, Idaho, April 10, 2007
    In reply to:
    You get sensitive when you put a real face on the name in the accident report
    YOU?

    I believe what you meant to say was “I” or perhaps “Some of us”...
    Learn to speak for yourself...

    I personally, do not...

    If someone jumps toward certain death with only a piece of fabric to prevent their suicide dies in the process, how in the hell am I suppose to feel sorry for them?
    WTF??? Jeez people, take responsibility!

    Death is a certainty in life, and death from jumping from un-survivable altitudes is just downright irresponsible, to the "tree hugging save the planet libos" of this world, and to me - not a reason to feel sorry for someone, especially if they were jumping in poor weather conditions as I love to do (adds to the rush).

    A kid with Leukemia? Certainly, but not some dumbass (like me) in a parachuting (racing, climbing, - hell, fill in your fav extreme sport!) accident...

    Darwin award?
    Definitely...

    They have children? Send me an address to mail some money for the kids, as I have done for many fallen friends...

    I’m with Nick, better him than me…

    BSBD
    -
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    Re: [VictorSuvorov] Fatality: Twin Falls, Idaho, April 10, 2007
    In reply to:
    to clarify: when the conditions are "perfectly jumpable" but not landable i would not jump.
    Please do not pull the words out of context

    To me if somebody says "it's jumpeable", that includes all aspects of the jump. If I say it's jumpeable I mean all aspects of the jump. I don't think anything was being put out of context.
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    Re: [pocbase] Fatality: Twin Falls, Idaho, April 10, 2007
    In reply to:
    In reply to:
    to clarify: when the conditions are "perfectly jumpable" but not landable i would not jump.
    Please do not pull the words out of context

    To me if somebody says "it's jumpeable", that includes all aspects of the jump. If I say it's jumpeable I mean all aspects of the jump. I don't think anything was being put out of context.

    you may not realize it, but there have been many many jumps at Perrine with squirrly winds and intended water landings. Every site is unique.
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    Re: [vid666] Fatality: Twin Falls, Idaho, April 10, 2007
    Fly free
    BSBD
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    Re: [pocbase] Fatality: Twin Falls, Idaho, April 10, 2007
    "Landable" and "jumpable" do have two different meanings in the content of the accident since its was not a landing issue.

    RIP
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    Re: [fedot_2001] Fatality: Twin Falls, Idaho, April 10, 2007
    Well yes it is a landing issue if you land without a parachute above you.
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    Re: [fedot_2001] Fatality: Twin Falls, Idaho, April 10, 2007
    >>"Landable" and "jumpable" do have two different meanings<<

    No freaking way, landable and jumpable means the same freaking thing . . .

    This ain't skydiving.

    NickD Smile
    BASE 194
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    Re: [] Fatality: Twin Falls, Idaho, April 10, 2007
    While the weather conditions obviously sucked for jumping, until the gear is inspected it seems all this speculation is premature. And unless something blaringly obvious is found, as in a pull up cord left in a closing loop, without a jumper to witness the event or a spectator with a video, we will never know the truth.

    Late pull? Hard/missed pull? Either/or combined with a hesitating pilot chute? Excessive closing loop tension? Forgetting to do the little velcro thingy on the bridle above the upper pin?

    Is anyone aware if this jumper used tools (a pull up cord more specifically) to prep/pack the PC? Wasn't this the "speculated" cause of the last fatality at Twin even though the PC was clear upon inspection after the incident?

    Condolences to the jumpers family and friends...and to the poor unsuspecting tourists who it sounds like witnessed the ordeal. I hope there weren't any kids there.

    Kurt
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    Re: [TomAiello] Fatality: Twin Falls, Idaho, April 10, 2007
    More Press.

    In reply to:
    11:23 a.m. -- BASE jumper dies after leaping from Perrine Bridge
    - The Associated Press
    Edition Date: 04/11/07

    TWIN FALLS — A 29-year-old man from Massachusetts died when his parachute failed to open after he jumped from a bridge spanning the Snake River Canyon in southern Idaho, authorities said.
    Yegor Drozdov of Revere, Mass., died Tuesday after jumping from Perrine Bridge, a popular area for BASE jumpers, who parachute from high, fixed objects, Twin Falls sheriff’s spokeswoman Nancy Howell said.

    BASE is an acronym for building, antenna, span, earth, the four categories of objects from which one can jump in the extreme sport.

    Howell said Southern Idaho Regional Communications received a call at 4:26 p.m. Tuesday from someone reporting that a BASE jumper would be jumping off the bridge, standard procedure for BASE jumpers who are asked to check in before leaping.

    Twenty minutes later, the sheriff’s office received a call from a witness “saying they had seen someone jump off the bridge and their parachute didn’t open and they hit the land below,” Howell told The Associated Press today.

    Howell said Drozdov’s body was recovered by authorities who reached the area by boat.

    More than 5,000 jumps are made annually from the 486-foot-long bridge that spans the Snake River Gorge. The bridge is the world’s most-frequented BASE jumping location.

    Two people died BASE-jumping from the bridge last year. Tuesday’s death is the first BASE-jumping death reported this year, Howell said.

    Earlier this year a woman’s nude body was found under the bridge, and police determined she had been stabbed and then thrown off the bridge. Police said the main suspect in that case appeared to have committed suicide.


    Just FYI, I got a call from a local talk radio station that is discussing this on their program tomorrow. Their news director told me he was following this thread.
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    Re: [HydroGuy] Fatality: Twin Falls, Idaho, April 10, 2007
    In reply to:
    we will never know the truth.

    True ... we may never know why. But outside of the question of what went wrong, since when is it a good idea to be jumping a large canopy in high winds? It's not like we BASE jump with small canopies. We typically jump with very large beasts.

    RIP to the deceased jumper ... who's next?
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    Re: [TomAiello] Fatality: Twin Falls, Idaho, April 10, 2007
    Well CRAP!!! Frown BSBD
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    Re: [Ether] Fatality: Twin Falls, Idaho, April 10, 2007
    Don't forget the problem of landing in water that is cold or fast moving. Too many people erroneously believe that landing in the river is an acceptable "out" during the winter. You wouldn't believe how many people I saw jumping over the middle of the river when the water temps were in the 30s! At least this guy was "smart" enough to jump over the land (the water is still fairly cold).
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    Re: [Ether] Fatality: Twin Falls, Idaho, April 10, 2007
    SHIT! Unsure BSBD
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    Re: [AdamLanes] Fatality: Twin Falls, Idaho, April 10, 2007
    dude, on my first BASE jump at potato, i had a toggle tied in a knot around setting, so i couldnt unstow one side, i could have flown it into the water, but it was febuary, and the TF bank thing said it was 17 degrees F. i opted for crashing into the north side scree. im glad i did, even though it hurt and i still have scars on my hip.
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    Re: [Calvin19] Fatality: Twin Falls, Idaho, April 10, 2007
    If you dont land in the middle its fine. In december '05 I was jumping slightly over the water, near the shore. I took a waist-deep water landing on a solo (semi-low opening, offheading), and climbed out in 17 degree weather.. wasnt as bad as you might expect.

    I'd rather hit shallow water if something happened than hard ground... (a certain memorial-day weekend incident comes to mind)
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    Re: [Ghetto] Fatality: Twin Falls, Idaho, April 10, 2007
    In reply to:
    a certain memorial-day weekend incident comes to mind

    The water is much warmer by Memorial day and is therefore a different situation altogether. Lucky for you that you didn't have to swim since you landed in shallow water, as I can tell you it is extremely exhausting and hard to breath while swimming in frigid water (and potentially deadly).

    Edited to add: In the the winter many people jump with boots and layers of clothing that saturate with water and add to the difficulty of swimming. Just something to think about...
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    Re: [VictorSuvorov] Fatality: Twin Falls, Idaho, April 10, 2007
    In reply to:
    Knowing the jumper leads me to believe that he is more likely to take a longer delay.

    i'm curious, did you know him well enough to think he thought this jump was doable? would he take a longer delay because of experience or for the rush?

    i agree with nick that being jumpable and being landable are one and the same when making a BASE jump. if not landable being the more critical aspect. i won't jump my skydiving canopy in high winds let alone a lightly loaded BASE canopy. F111 or not.
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    Re: [TomAiello] Fatality: Twin Falls, Idaho, April 10, 2007
    In reply to:
    I do think that the exit and deployment would have been quite doable if you did a full floater, but I don't think a forward facing exit in these conditions would be a very good idea.

    i don't mean to sound ignorant, but when you refer to a full floater exit (given the tailwind) are you talking about jumping off the other side and flying under the bridge or facing the bridge and turning around? i'm thinking the former would be more doable. whereas facing the bridge the winds could push you onto your back kinda like a prob blast would. not to mention a potential crosswind could put the pilot chute in position to wrap around your arm. sorry this does sound ignorant...
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    Re: [littlestranger] Fatality: Twin Falls, Idaho, April 10, 2007
    I'm talking about facing into the wind. My reasoning is that a strong tailwind can blow the PC under your arm after you pitch (I've seen this happen on several occasions, once from the first person point of view). Turning the tailwind into a headwind blows the PC back away from you (and away from any potential entanglement with you).

    The same reasoning applies to a right-to-left crosswind (assuming standard right handed BOC) versus a left-to-right crosswind.
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    Re: [TomAiello] Fatality: Twin Falls, Idaho, April 10, 2007
    Another article has come out:

    http://www.magicvalley.com/...cal_state/109983.txt

    In reply to:
    Parachute problem may have doomed BASE jumper
    Mass. man was an extreme sports fanatic
    By Cassidy Friedman
    Times-News writer
    TWIN FALLS - A BASE jumper who died Tuesday jumping from the Perrine Bridge may have entangled his hand while attempting to release his parachute.

    Yegor Drozdov, 29, of Revere, Mass., landed on the southeast bank beneath the bridge shortly before 5 p.m. West winds were blowing at sustained speeds of 24 mph with 30 mph gusts.

    An extreme sports buff, Drozdov raced cars, skied and had logged more than 200 sky dives and 50 BASE jumps, his wife, Katerina, said Wednesday.

    Twin Falls County Sheriff's deputies called Katerina at the couple's home in Revere, a suburban beach town north of Boston.

    They described their investigation to her, which she recounted in a phone interview with the Times-News.

    "His hand got tangled in the bridle of the pilot chute," deputies had said, according to the widow. "When they found him it was still tangled around his hand. They said it was very windy and must have got tangled while he was falling because it's about five seconds that you have to open."

    The "bridle" is a pilot chute linked to the rig that BASE jumpers hold as they jump and throw outwards to deploy their chute.

    Drozdov was the owner of Alliance Motor Group, a car dealership with branches in Longmont, Colo. and Revere. Less than one year ago, Drozdov rented a second home in Longmont.

    In Colorado, he began jumping at Mile-Hi Skydiving near Denver. At least once, he and a friend traveled to Twin Falls to BASE jump from the Perrine Bridge, Katerina said.

    But on his last visit Drozdov told no one, she explained.

    After staying with some friends in Sacramento, Katerina flew home Sunday. Her husband was scheduled to drive to Colorado either Monday or Tuesday.

    "I guess he decided to stop on the way back," Katerina said. "He didn't tell anyone that he was going there."

    It appears Drozdov was jumping alone, according to Nancy Howell, spokeswoman for the Twin Falls County Sheriff's Office.

    At 4:46 p.m., an observer called dispatchers, reporting a BASE jumper's parachute had not opened.

    Drozdov had made a courtesy call, according to protocol, alerting dispatchers he was planning to jump.

    "He was very adventurous," Katerina said. "He like the extreme stuff."

    The couple, who married five years ago, have no children.

    Drozdov is a naturalized citizen who moved 15 years ago with his family from Moscow, Russia. His family lives in Kennebunkport, Maine.

    His funeral will be held Monday in Salem, Mass.
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    Re: [Tyrion] Fatality: Twin Falls, Idaho, April 10, 2007
    In reply to:
    "His hand got tangled in the bridle of the pilot chute," deputies had said, according to the widow. "When they found him it was still tangled around his hand. They said it was very windy and must have got tangled while he was falling because it's about five seconds that you have to open."

    Thats new and interesting.

    In reply to:
    The "bridle" is a pilot chute linked to the rig that BASE jumpers hold as they jump and throw outwards to deploy their chute.

    Nice explanation... Unimpressed
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    Re: [AdamLanes] Fatality: Twin Falls, Idaho, April 10, 2007
    In reply to:
    Don't forget the problem of landing in water that is cold or fast moving. Too many people erroneously believe that landing in the river is an acceptable "out" during the winter. You wouldn't believe how many people I saw jumping over the middle of the river when the water temps were in the 30s! At least this guy was "smart" enough to jump over the land (the water is still fairly cold).

    I was up there a few weeks ago and one of the boys jumped a round into the middle of the river. It was planned, I'm sure it was cold but he pulled himself and gear out with out too much problem.


    Greeny
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    Re: [Ghetto] Fatality: Twin Falls, Idaho, April 10, 2007
    yeah, a friend of mine pounded in memorial day 04, that was the end of his jumping career...the only reason i wasn't there was because i pounded on a skydive 6 weeks or so earlier.

    condolences to the family and friends of this young man.

    k
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    Re: [greeny] Fatality: Twin Falls, Idaho, April 10, 2007
    Yea, the river was 49 degrees that day, and the guy was pretty lucky although he said he was sick for at least a week afterward. Luckily there was a boat down below that could have assisted but wasn't needed. I'm fairly positive he won't be doing that again unless the water is warmer!
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    Re: [SpecialKaye] Fatality: Twin Falls, Idaho, April 10, 2007
    another member of the base family has fallen. rest in peace. Frown

    condolances to his family and friends.
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    Re: [AdamLanes] Fatality: Twin Falls, Idaho, April 10, 2007
    Brrrrr... Still coughingUnsure
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    Re: [TomAiello] Fatality: Twin Falls, Idaho, April 10, 2007
    Do we know his name yet? I live in Mass and am trying to figure out who it is. Thanks in advance!
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    Re: [JennAnkney] Fatality: Twin Falls, Idaho, April 10, 2007
    In reply to:
    Do we know his name yet? I live in Mass and am trying to figure out who it is. Thanks in advance!

    "Yegor Drozdov of Revere, Mass."

    It's already been posted in this thread, and reported in the Associated Press story linked in this thread.
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    Re: [TomAiello] Fatality: Twin Falls, Idaho, April 10, 2007
    Please forgive this intrusion, i am not a base jumper.

    If the report said wind was a factor in casuing the entanglement, then I was wondering how that does not happen to pilot chutes in skydiving since altitude winds can be very high? Sorry for the question bout skydiving just curious as to how the pilot chutes, unless thrown poorly in skydiving, don;t entangel with the body also?

    Deepest condolences to friends and family of the deceased.Frown

    Thankyou,

    Mike
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    Post deleted by nicrussell
     
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    Re: [nicrussell] Fatality: Twin Falls, Idaho, April 10, 2007
    Ahhh right. Thankyou for the explanation.

    Mike
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    Re: [Mike111] Fatality: Twin Falls, Idaho, April 10, 2007
    Because even a hop and pop in a Twin Otter will give you 90+ kts airspeed = headwind. That's a lot of air to work things out.

    In BASE, you have zero airspeed at exit. That's basic - here's a little more detail:

    Airspeed

    A 45 kt gust will impact that issue significantly - particularly if it's rotoring or coming from an odd angle.
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    Re: [Mike111] Fatality: Twin Falls, Idaho, April 10, 2007
    In reply to:
    If the report said wind was a factor in casuing the entanglement, then I was wondering how that does not happen to pilot chutes in skydiving since altitude winds can be very high?

    The difference is the speed of the wind relative to the jumper. On a skydive, the jumper has generally accelerated to terminal velocity, so the only important wind is the relative wind, which pretty much blows straight up (also consider that the jumper is moving at the same rate as the wind at altitude, since he has already been accelerated to it's rate during the skydive).

    On a short delay BASE jump, you may not yet have accelerated to the speed of the wind, nor is there always sufficient relative wind to overcome the absolute wind. The absolute wind is very important to our deployments and openings, where it is basically ignored in skydiving.
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    Re: [VictorSuvorov] Fatality: Twin Falls, Idaho, April 10, 2007
    THe station you're getting your information from is NOT located at or near the exit point.

    Obviously the conditions were not safe for jumping, why would you say they were?
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    Re: [AdamLanes] Fatality: Twin Falls, Idaho, April 10, 2007
    In reply to:
    Don't forget the problem of landing in water that is cold or fast moving. Too many people erroneously believe that landing in the river is an acceptable "out" during the winter. You wouldn't believe how many people I saw jumping over the middle of the river when the water temps were in the 30s! At least this guy was "smart" enough to jump over the land (the water is still fairly cold).

    Ask the "Gambler" about cold water. Oh, wait. You can't.
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    Re: [TomAiello] Fatality: Twin Falls, Idaho, April 10, 2007
    There is a movie on SkydivingMovies.com Its under the "newest"videos, It is titled "MAL_video", It shows a guy pitch out and forward and the PC gets blown back towards his feet (horizontaly)before hitting bridal stretch and going vertical. Pretty easy to see how slower FF speeds and strong winds could cause a serious low alt. problem.
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    Re: [TomAiello] Fatality: Twin Falls, Idaho, April 10, 2007
    It makes sense to go intentionally little headlow on tailwind jumps (i.e. by transitioning into track position immediately after exit and making symmetric pull) to eliminate the chance of bridle blowing under your arm.

    For example, you make a 2s delay in 20mph tailwind. Your vertical speed in 2s is 43mph. The PC is extracted along the relative wind line which is atan(20/43) = 25 degrees to vertical. If your body is 25 degrees headlow, the extraction will be perpendicular to your body as if you pulled flat in zero wind.

    But if you're used to exiting headhigh and don't adjust it for the tailwind...
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    Re: [yuri_base] Fatality: Twin Falls, Idaho, April 10, 2007
    One thing that I didn't notice yet is the idea of going handheld if the wind is coming from behind.

    What is your opinion, Tom Aiello?
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    Re: [base935] Fatality: Twin Falls, Idaho, April 10, 2007
    im not tom however,

    Hand held (imo) is a safe method w a tailwind, but your bridle still can entange though. ALso some exit points dont make this easy. If you do go stowed this is what i do:

    1. make a SOLID grip on PC
    2. extract pc to full arm stretch palm up (PC above hand).
    3. release, rotate arm counter clockwise.
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    Re: [diablopilot] Fatality: Twin Falls, Idaho, April 10, 2007
    In reply to:
    THe station you're getting your information from is NOT located at or near the exit point.

    Obviously the conditions were not safe for jumping, why would you say they were?

    in the interest of wind data, here is an image with the data for the nearest 4 weather stations i could find on the date of the 10th.
    twinfall_winds_4_10_07.JPG
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    Re: [nicrussell] Fatality: Twin Falls, Idaho, April 10, 2007
    In reply to:
    im not tom however,

    Hand held (imo) is a safe method w a tailwind, but your bridle still can entange though. ALso some exit points dont make this easy. If you do go stowed this is what i do:

    1. make a SOLID grip on PC
    2. extract pc to full arm stretch palm up (PC above hand).
    3. release, rotate arm counter clockwise.

    do you meen in wind? or in calm? this seems good for ALL stowed regular jumps.

    for a tailwind of any good measure...

    I would (do the same things you described)

    but do it REALLY head low. like if the bridge is cooking at 25mph, and i was for some retarded reason jumping, i would do a floater head high, or i would be dirty head low. 45 degrees at least.
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    Re: [yuri_base] Fatality: Twin Falls, Idaho, April 10, 2007
    In reply to:
    But if you're used to exiting headhigh and don't adjust it for the tailwind...

    If the winds are so strong that you have to put yourself intentionally head down on a short delay then maybe not jumping is the sensible option.
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    Re: [skreamer] Fatality: Twin Falls, Idaho, April 10, 2007
    In reply to:
    If the winds are so strong that you have to put yourself intentionally head down on a short delay then maybe not jumping is the sensible option. it's not jumpable.

    Fixed
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    Re: [pocbase] Fatality: Twin Falls, Idaho, April 10, 2007
    In reply to:
    In reply to:
    If the winds are so strong that you have to put yourself intentionally head down on a short delay then maybe not jumping is the sensible option. it's not jumpable.

    Re-fixed. His version was better.
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    Re: [yuri_base] Fatality: Twin Falls, Idaho, April 10, 2007
    In reply to:
    For example, you make a 2s delay in 20mph tailwind. Your vertical speed in 2s is 43mph. The PC is extracted along the relative wind line which is atan(20/43) = 25 degrees to vertical. If your body is 25 degrees headlow, the extraction will be perpendicular to your body as if you pulled flat in zero wind.

    nice theory.

    BASE tends to be very personal. every jumper defines "low" differently. some will static line what others freefall. the best idea is to start conservative and develop skills. as a jumper increases their abilities, they can accept additional, um, "challenges."

    you can not remove the risk from jumps, but it can be minimized.

    this concept applies to windy conditions. normally high winds contain turbulence, which is inherently unpredictable. the deck of the bridge will experience certain winds, anyone falling in the lee of the bridge will experience different (probably more turbulent) air.

    if someone spends the time jumping a particular object in varying winds, they may develop an understanding of what they can handle at that site.

    your numbers and theory can provide a false sense of security. will the jumpers have the required discipline to wait 2 full seconds? will they nail the body position? can they nail the body position in that site's turbulence? what will happen if not?

    unfortunately, your theory sounds like rationalization for someone determined to jump. not a correct way to evaluate an object.
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    Re: [sabre210] Fatality: Twin Falls, Idaho, April 10, 2007
    Well....... that's just your opinion man.

    If the winds are so strong that you have to put yourself intentionally head down on a short delay then maybe not jumping is the sensible option. it's not jumpable. it's not landable.

    TonguePirate

    ok getting a little carried away here
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    Re: [nicrussell] Fatality: Twin Falls, Idaho, April 10, 2007
    1. make a SOLID grip on PC
    2. extract pc to full arm stretch palm up (PC above hand).
    Add: keep your arm fully stretched up to throwing the PC
    3. release, rotate arm counter clockwise.
    A very experienced swedish jumper thaught me that, for windy conditions. If you keep your arm stretched with a tight bridle changes that your bridle ends up caught on your body somewhere are much less then doing BOC. IMHO, I think it a sensible advise.

    Ronald
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    Re: [yuri_base] Fatality: Twin Falls, Idaho, April 10, 2007
    Are you building a device that will tell you when you are 25° headlow or can you just sense it?
    take care,
    space
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    Re: [pocbase] Fatality: Twin Falls, Idaho, April 10, 2007
    fly free broFrown
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    Re: [Diezel] Fatality: Twin Falls, Idaho, April 10, 2007
    If the winds were what they were, this statement holds some water imho.
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    Re: [yuri_base] Fatality: Twin Falls, Idaho, April 10, 2007
     Put up or shut up.
    I will be a little more descriptive.
    "Are you building a device that will tell you when you need to pull at the best angle possible? You do know that some one did a study on the 45 degree rule and found that no one could tell 45 degrees?
    take care,
    space