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#1
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08-19-2018, 01:23 PM
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 ✝Mudderator from Hell✝ Poster Rank:11 e-mail Join Date: Oct 2006 Posts: 95,490
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Helicopter Landing Attempt at Rooftop Helipad at Hospital Goes Wrong
On June 30, 2018, a helicopter belonging to Simrik Air experienced a crash-landing at Grande International Hospital in Dhapasi, Kathmandu. The incident, which occurred at approximately 2:50 pm, involved the helicopter attempting to land on the hospital's rooftop helipad but instead skidded off and fell about 10 feet below the landing area. The helicopter, with the call sign 9N-ALR, was on a mission to transport a medical team to Bharatpur in Chitwan. The pilot, Captain Hareram Thapa, who was conducting his second flight of the day, sustained minor injuries to his left hand in the crash. Fortunately, there were no reported casualties either in the helicopter or on the ground. The Civil Aviation Authority of Nepal (CAAN) was informed of the incident and noted that the helicopter sustained minor damages, particularly on its left side and rotors. The cause of the helicopter slipping during the final approach was not immediately clear.  |
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#2
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08-20-2018, 08:04 PM
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| ♚ Legacy Gold Member ♚ Poster Rank:99 Male Join Date: Nov 2009 Posts: 16,720 Mentioned: 7 Post(s) Quoted: 4605 Post(s)
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Re: Helicopter Landing Attempt at Rooftop Helipad at Hospital Goes Wrong
Looks like he lost his tail rotor control.
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#3
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08-20-2018, 11:08 PM
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 ★ Legacy Member ★ Poster Rank:72 male Join Date: Apr 2010 Posts: 21,156
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Re: Helicopter Landing Attempt at Rooftop Helipad at Hospital Goes Wrong
Broken tail rotor.  Dude, drop the collective  |
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#6
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08-24-2018, 08:27 PM
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 ★ Legacy Member ★ Poster Rank:180 USA haters keep sucking the big orange dick! Join Date: Mar 2010 Posts: 8,403 Mentioned: 9 Post(s) Quoted: 2726 Post(s)
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Re: Helicopter Landing Attempt at Rooftop Helipad at Hospital Goes Wrong
Looks like they got really fucking lucky. If they fell off the other edge it looked like it might be a 10+ story drop...
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#7
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05-20-2019, 10:17 AM
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 (",) Poster Rank:215 Childbearer Join Date: Apr 2009 Posts: 6,714
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Re: Helicopter Landing Attempt at Rooftop Helipad at Hospital Goes Wrong
I know nothing about flying engines. But i want to ask, is it possible to instantly kill the engine to stop that going around?
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#8
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05-21-2019, 07:36 AM
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| My Rank: LANCE CORPORAL Poster Rank:2667 Male Join Date: Mar 2019 Posts: 157 Mentioned: 0 Post(s) Quoted: 77 Post(s)
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Re: Helicopter Landing Attempt at Rooftop Helipad at Hospital Goes Wrong
No. The rotor has a one way clutch to the engine so if the engine stops the rotors can keep spinning. In the event of the loss of an engine while flying, you can drop the collective, nose the copter forward using the forward momentum to spin the rotors building kinetic energy in the rotor. When approaching the ground you pull back on the cyclic leveling off the copter and pull the collective trading the kinetic energy stored in the rotor for lift. Giving a landing softer than dropping out of the sky like a stone. If the engine was solidly mounted to the rotors, if the engine failed the rotors would stop turning and auto-rotation (what I described above) would not be possible |
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#9
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01-31-2025, 04:10 PM
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 My Rank: PRIVATE FIRST CLASS Poster Rank:5299 Join Date: Jun 2009 Posts: 48 Mentioned: 0 Post(s) Quoted: 7 Post(s)
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Re: Helicopter Landing Attempt at Rooftop Helipad at Hospital Goes Wrong
wrong answer. Yes if you killed the engine and pulled up the collective the drag on the blades would slow them.
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