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-   -   Dolly landing gone wrong. (https://www.pprune.org/rotorheads/331926-dolly-landing-gone-wrong.html)

vaqueroaero 19th Jun 2008 23:55

Dolly landing gone wrong.
 
Don't know if this has been posted before.

Take care if you land on a dolly.

Click on the link at the bottom to see the movie.

http://www.journaldujura.ch/Nouvelle...3%A9gion/31485

SASless 19th Jun 2008 23:58

Talk about a sudden stoppage of the main rotor blades!!!:ooh:

BigMike 20th Jun 2008 01:39

http://www.journaldujura.ch/modules/...p.asp?id=31485

Translation:

A helicopter crash took place at the airport in Granges Wednesday afternoon, injuring the pilot. Our colleagues of TeleBielingue received a video of a viewer who has filmed, to discover on our site.

As he landed normally at the airport in Granges, Wednesday at 1655, a helicopter Helisuisse suddenly fell on its side, in a spectacular explosion caused by the blades hit the ground. The pilot was uninjured in the accident. He was able to leave their own aircraft. The helicopter was completely destroyed.

A witness was on the scene: Christophe Röthlisberger, who has filmed. He sent his video to TeleBielingue, which we make available. A show will be broadcast on TeleBielingue à ce sujet, Thursday evening.

The Solothurn cantonal police opened an investigation jointly with the Federal Bureau of Accident Investigation Aviation (AAIB), to know the exact causes of the accident.

VfrpilotPB/2 20th Jun 2008 16:35

That took no more than one, possibly two Blinks of the pilots eye, that was quick, glad the PI is OK.

Vfrpilotpb:eek:

jab 20th Jun 2008 17:01

Blink? I think his eyes were very wide open! :E

FILCI 20th Jun 2008 17:12

Lucky that he survived in order that can face the consequences of his total incompetancy.

Captain Gartmort 20th Jun 2008 17:12

Now that's what you call a bad day at the office!!!!

Daysleeper 20th Jun 2008 17:46

OK so putting aside - no speculation blah blah....help me out here - low time heli pilot on way to ppl (h)


The inital landing on the dolly goes a bit wrong, looks like one skid is off the edge, or maybe the dolly collapses partially...... however looks like he then tries to lift again and gets what...skid stuck on/under the dolly leading to a sort of dynamic rollover?

PITCH LINK 20th Jun 2008 17:57

What about the poor chap on the ladder?

skadi 20th Jun 2008 18:07


What about the poor chap on the ladder?
Maybe he needs a new set of underwear.....

According to the newspapers, nobody was hurt in this accident!

skadi

helimutt 20th Jun 2008 19:05

FILCI, there's always one tw@t on PPRuNe isn't there? Incompetent? Ever heard of accidents? but incompetence? Hope you never prove your incompetence to a wide audience! The guys here on PPRuNe will take great pleasure picking it apart no doubt.

MightyGem 20th Jun 2008 19:40

On my very first duty as a Police pilot, with a grand total of 5 hours on a Squirrel, I had to take off and land on a dolly. He has my sympathies.

Jetscream 32 20th Jun 2008 19:57

hindsight is a wonderful thing..... but i think quite a few of us have been close in a number of different ways - but the mindset has a major implication of this scenario......... rabbit runs out in front of you driving with oncoming trafic the other way... do you swerve and total the car and maybe the other plus people or do you run the rabbit over and live another day....

landing on a bogey..... - it slides do you leave the collective fully lowered and let it fall off with a quick shut down - or do you lift to recover and try to reposition....caught me out in ireland in 90....... do not envy this chap..... just real bad luck...... cant see it being anything other than that.....

crap day in the office........:bored:

biggestboy 20th Jun 2008 23:57

FILCI -no comment!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1

EN48 21st Jun 2008 00:31

This kind of accident is entirely preventable. Simple: dont land on a dolly. This is a dark ages way to move a helicopter on the ground and these claim helicopters with great regularity (and sometimes the life of a pilot and/or bystander). There are modern devices for moving helicopters which entirely eliminate the risks of landing on a dolly. One such device is the Heliporter made by ParAvion. I have been using one of these for some time and in addition to working flawlessly, it is a mechanical work of art I would be proud to display in my living room. Some may argue that these are "expensive" but at a price of about 0.3% of the price of a new Squirrel, it doesnt seem expensive at all.

All of the above IMHO, of course. Blast away!

EN48

Gas Producer 21st Jun 2008 00:47

We land Squirrels on trolleys everyday. One of our trolleys is only marginally larger than the skid print of the aircraft.

First couple of times I did it I was nervous as hell. After a while you get used to it, but don't ever get complacent . . .

Bottom line? Take your time, and if in doubt . . . chicken out.

GP

Pilot DAR 21st Jun 2008 01:10

My first number of dolly landings were not too pretty either, and that was the 300CB. I found the S300 to be very stable in the hover compared to the AS350, which I found extra challenging to hover neatly. (Okay, my hovering of an AS350 would never had been called neat, in the total of 3 hours I have in one!)

My untrained eye thinks it sees ground resonance develope there, and I can certainly appreciate how that could wiggle the helicopter off the side of the dolly, beyond the control of the pilot. I had to test an AS350 for ground resonance, and it scared the heck out of me! What can I learn for this? Dollys seem to be unavoidable....

FILCI, are you the most compotent pilot who ever flew? I've heard tales of him, but never believed he actually existed!

Scissorlink 21st Jun 2008 02:21


This kind of accident is entirely preventable. Simple: dont land on a dolly.
EN48 Why Not?? Gas producer said it bang on, we as well used to land on trollies all the time..tho nerve wracking at the start I can tell you for a fact it is a hell of a lot easier on them then landing on a rocky boulder strewn riverbed to pick up fisherman.

whoateallthepies 21st Jun 2008 10:31

Competency
 
FILCI
You can't even spell. Should you be making comments about others?

I sympathise with the poor pilot having spent many years landing on "dollies". Glad no-one was hurt. http://i.1asphost.com/whoateallthepies/pie.jpg

ShyTorque 21st Jun 2008 10:44

We used to land "our" police 355N on a powered dolly. Horrible idea. The pilot couldn't actually see the dolly at all when the aircraft was correctly positioned over it and it was especially difficult at night. I used to dread the thought of dropping a skid off the side, like this poor pilot did.

We used to complain about it and they eventually bought a "chopper spotter" so the pilot could land on the ground, like he was always supposed to do. The lifting device could then be driven under the skids, on its electric motor.

One night, at the end of the shift the dolly's engine drive failed halfway into the hangar and the aircraft couldn't be secured so the police had to guard it all night. They thought about a replacement moving device much more seriously after that. :ok:

Proper helicopters have wheels, anyway.


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