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#1
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03-20-2017, 09:10 PM
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 ★ Legacy Member ★ Poster Rank:72 male Join Date: Apr 2010 Posts: 21,192
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Regional Express Flight ZL768 Loses Propeller
In 2017, a significant incident occurred involving Regional Express (REX) Flight ZL768. This flight, operated by a Saab 340B aircraft registered as VH-NRX, experienced a critical failure when the propeller from the right-hand engine separated from its shaft. The incident took place while the aircraft was approximately 20km from Sydney Airport. The propeller assembly was observed by the first officer detaching and rotating upwards and to the right, moving away from the aircraft without making contact. The separation was at the shaft, and all fittings at the main assembly remained intact. Following this incident, REX proactively withdrew five aircraft with propeller gearboxes and shafts of the same series as VH-NRX as a precaution. These aircraft were scheduled to have their propeller gearboxes and shafts replaced. The airline was in contact with the aircraft manufacturer, Saab, and the engine manufacturer, General Electric (GE), regarding this rare event. GE Aviation undertook a metallurgical analysis of the propeller flange and hardware and inspected additional propeller gearboxes. They also reminded operators to adhere to maintenance and inspection procedures. This incident was particularly unusual, with the only other recorded similar event occurring in 1991 when a US carrier Comair's aircraft also landed safely after a separation of its propeller.  |
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#2
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03-27-2017, 03:58 AM
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 My Rank: MAJOR Poster Rank:54 "G," for Gentleman. Join Date: Jun 2016 Posts: 27,056
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Re: Regional Express Flight ZL768 Loses Propeller
Imagine seeing this out your window on your flight to... wherever
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#3
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03-29-2017, 09:02 AM
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 My Rank: SERGEANT MAJOR Poster Rank:291 Join Date: Mar 2010 Posts: 4,531 Mentioned: 1 Post(s) Quoted: 554 Post(s)
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Re: Regional Express Flight ZL768 Loses Propeller
Yeah, that would not be something you'd want to see as a passenger. Or as the maintenance mechanic responsible for plane...
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#4
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05-12-2017, 10:31 AM
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 ♚ Legacy Gold Member ♚ Poster Rank:35 Female Join Date: Nov 2008 Posts: 43,321
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Re: Regional Express Flight ZL768 Loses Propeller
Could have been a disaster there
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#6
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05-23-2017, 01:01 AM
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 ♚ Legacy Gold Member ♚ Poster Rank:926 Female Join Date: Jan 2009 Posts: 792 Mentioned: 0 Post(s) Quoted: 87 Post(s)
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Re: Regional Express Flight ZL768 Loses Propeller
A lot of commercial pilots are ex-military, due to the high flight hours required for commercial work. He might have had military training. But still.  |
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#9
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10-02-2018, 12:02 PM
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 My Rank: CORPORAL Poster Rank:1294 Male Join Date: May 2012 Posts: 475 Mentioned: 1 Post(s) Quoted: 76 Post(s)
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Re: Regional Express Flight ZL768 Loses Propeller
No Shit! However, they are trained to fly with only one engine. It's the fucking propeller I'd be worrying about landing on somebody's head.  |
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#10
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02-05-2019, 01:46 AM
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 ♚ Legacy Gold Member ♚ Poster Rank:612 Join Date: May 2014 Posts: 1,518 Mentioned: 1 Post(s) Quoted: 261 Post(s)
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Re: Regional Express Flight ZL768 Loses Propeller
My grandfather had something similar to this happen. He engineered a design change for aluminum propellers to be used on airboats (as opposed to wooden). The race team that used his design on their boat did not properly torque them in the correct sequence, leading to a malfunction and one of the blades dislodging. The lost part wound up crashing into a lake home 3/4 of a mile away, into a family's kitchen where they were eating breakfast. Impressive.
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