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Fatal Crash Broome 4th July 2020
From the ABC:
Two people have died and two are in critical condition after a helicopter crashed in northern Western Australia. The aircraft, which has been identified a Robinson R44 helicopter, crashed on Antheous Way, Bilingurr, a northern suburb of Broome, just after 2:30pm. WA Police said an adult occupant of the aircraft died at the scene from injuries he sustained in the crash. A young girl who was a passenger in the aircraft was taken to Broome Hospital, but has since died from her injuries. An adult and child who were passengers in the helicopter remain in critical condition. Police and emergency services are at the scene and have set up a cordon on either side of the crash site. The sirens of a large-scale emergency response could be heard across Broome. "It's a pretty horrific sight," one person said. "You can hear the sirens from everywhere in Broome. "I'm not sure if anyone witnessed it, but it looks devastating." The Australian Transport Safety Bureau said it would be sending officers to Broome to investigate the crash. |
There are a couple of helicopter sight-seeing tour operators flying out of Broome International Airport, located approximately 1-1/2 miles south of the crash site ... possibly one of theirs? It is especially tragic when recreational activities result in fatalities. R.I.P.
Regards, Grog |
Originally Posted by capngrog
(Post 10828907)
There are a couple of helicopter sight-seeing tour operators flying out of Broome International Airport, located approximately 1-1/2 miles south of the crash site ... possibly one of theirs? It is especially tragic when recreational activities result in fatalities. R.I.P.
Regards, Grog |
Horizontal Falls Seaplanes, Robinson R44 according to Pacific forum
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Founder of Horizontal Seaplanes named as one of those on board the R44.
https://www.abc.net.au/news/2020-07-...crash/12423668 |
Tail rotor came off not long after takeoff. Had experienced unusual vibrations in the days before.
https://www.abc.net.au/news/2020-07-...crash/12443298 A helicopter that crashed in the suburbs of Broome last weekend, killing two people, had experienced "unusual" in-flight vibrations two days before the incident, investigators say. Key points:
Mr Thomas's 12-year-old daughter, Mia, and Perth woman Maddison Down, 24, remain in a serious condition in Perth hospitals. In its latest update, the Australian Transport Safety Bureau (ATSB) said the aircraft's tail assembly had broken apart shortly after take-off. "The tail rotor gearbox assembly, tail rotor and empennage assembly separated soon after the helicopter lifted off," it said. |
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If the TRDS disconnected or the TRGB fell off, I'm surprised at the amount of damage to the TR blades. Virtually a brand new helicopter. The POH says "Hover helicopter close to the ground to verify problem is resolved" but it seems from the preliminary report that only a vibration check and visual inspection on the ground was performed.
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What on earth would possess you to take children airborne in a helicopter that had clear vibration issues through the pedals until you were absolutely sure that the problem had been fully investigated and rectified?
A dynamic balance on the ground doesn't replicate the stresses of flight conditions. |
Grounding an aircraft was probably too expensive. Easier to risk lives and hope for the best.
No wonder they can’t shake the reputation, yes, yes, its not the aircraft’s fault :mad: blah blah. |
A dynamic balance on the ground doesn't replicate the stresses of flight conditions. Grounding an aircraft was probably too expensive. Easier to risk lives and hope for the best. I feel sorry for the bloke that signed it off. |
From the loss of life, I doubt anyone did their “best”, as harsh as that may sound.
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Originally Posted by Bell_ringer
(Post 10834055)
From the loss of life, I doubt anyone did their “best”, as harsh as that may sound.
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You guys seem to be making the mistake of thinking the tail rotor was out of balance. Nowhere in the report does it say that. Instead, the mechanics assumed the vibration might have been due to an unbalanced tail rotor so they checked its balance and found it to be within limits. Something else was obviously catastrophically wrong with the tail rotor, shaft, or gearbox, which nobody bothered to check.
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Originally Posted by CGameProgrammerr
(Post 10834164)
You guys seem to be making the mistake of thinking the tail rotor was out of balance. Nowhere in the report does it say that. Instead, the mechanics assumed the vibration might have been due to an unbalanced tail rotor so they checked its balance and found it to be within limits. Something else was obviously catastrophically wrong with the tail rotor, shaft, or gearbox, which nobody bothered to check.
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To a non-mechanic's eye, the whole gearbox appears to have rotated 90 away from its position, one of the blades has hit the fin and been smashed and bent, then the whole rear end fell off in 3 bits?
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Originally Posted by CGameProgrammerr
(Post 10834164)
You guys seem to be making the mistake of thinking the tail rotor was out of balance. Nowhere in the report does it say that. Something else was obviously catastrophically wrong with the tail rotor, shaft, or gearbox, which nobody bothered to check.
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Originally Posted by Ascend Charlie
(Post 10834193)
To a non-mechanic's eye, the whole gearbox appears to have rotated 90 away from its position, one of the blades has hit the fin and been smashed and bent, then the whole rear end fell off in 3 bits?
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Some similarities with the crash of DQ-IHE. Vibrations, MRB rebalance, then blade failure leading to MRB impact on boom, although the boom did not completely separate. One blade was severed at approximately the same location as this case.
I am not a pilot, but I am curious to know if it is possible to differentiate between MRB vibrations and TR vibrations? Regards Blakmax |
In this case the reported tick vibration wouldn’t indicate an out of balance tail rotor to me. Out of balance is normally much more of a buzz through the pedals.
A simple dynamic balance for the reported problem doesn’t seem like the correct maintenance action. |
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