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VH-AFZ Accident Warnervale NSW

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Old 7th Jun 2015, 05:43
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VH-AFZ Accident Warnervale NSW

Good Outcome
Fly Safe

R W

From ABC

Pilot and passenger escape with minor injuries after light plane crash at Warnervale - ABC News (Australian Broadcasting Corporation)

Two men have walked away with minor injuries after a light plane crash on the New South Wales Central Coast.
Emergency services were called to an industrial park off Burnet Road at Warnervale around 10:15am (AEST), following reports of a crash.
The pilot and a passenger were freed from the wreckage and treated by paramedics.
Central Coast Aero Club manager Andrew Smith said the plane was at the end of a trip from Dubbo to Warnervale when it encountered trouble.
"They were at I think about 6,000 feet, started to descend and at some point on the descent the engine's failed," he said.
"And they've done what they've been taught to do, selected best glide speed, headed for the airport and decided to land short of it because they weren't going to make it.
"And handled it very, very well, and they're both safe, which is the important part."
A crime scene has been established with specialist aviation investigators to attend.
Investigations are continuing.
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Old 7th Jun 2015, 05:52
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Unlucky. Any suggestions of causes?
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Old 7th Jun 2015, 06:20
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A crime scene has been established? That engine could be facing numerous charges for failing.
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Old 7th Jun 2015, 08:26
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From Central Coast Aero Club News August 2013:

Radio Blues
For some time now, VH-AFZ has had an intermittent radio fault which causes a high pitched whining sound to start up randomly after the radio warms up.
It is highly annoying, and believe us when we say that it is even more so for the instructors who have to deal with it all day (not an hour at a time!)
We have been endeavouring to solve the problem since June last year, and have had 4 return trips to Bankstown as well as two new (faulty) radios installed.
The supplier of the radios has been very slow to respond to our warranty claims and keeps supplying radios which are faulty.
In the meantime we have to persevere and hope that a solution is arrived at in the near future.
We thank you for your patience.
Magneto issues? Bad earth?
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Old 7th Jun 2015, 08:26
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Carb ice would be an easy guess, particularly with an O-200 involved.
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Old 7th Jun 2015, 08:44
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Fuel exhaustion? Dubbo is a fair way
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Old 7th Jun 2015, 08:44
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Very very fortunate and a good outcome. We've had enough deaths this year.
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Old 7th Jun 2015, 13:49
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Not enough go juice ??
Failed after start of descent. Tank pick ups uncovered ?
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Old 8th Jun 2015, 10:18
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Quote:
Radio Blues
For some time now, VH-AFZ has had an intermittent radio fault which causes a high pitched whining sound to start up randomly after the radio warms up.
It is highly annoying, and believe us when we say that it is even more so for the instructors who have to deal with it all day (not an hour at a time!)
We have been endeavouring to solve the problem since June last year, and have had 4 return trips to Bankstown as well as two new (faulty) radios installed.
The supplier of the radios has been very slow to respond to our warranty claims and keeps supplying radios which are faulty.
In the meantime we have to persevere and hope that a solution is arrived at in the near future.
We thank you for your patience.
Isnt certification great, would be nice to get a modern radio fitted easily..

as for the engine, im guessing carby ice. dubbo isnt out of the range of a 152
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Old 8th Jun 2015, 10:42
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dubbo isnt out of the range of a 152
Its a 150 not a 152 and with two people, (if they were both adults) I doubt you can depart with full tanks. Dubbo may well be out of range in that case, and was it straight line? I doubt it.
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Old 8th Jun 2015, 10:51
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It takes me 2 hrs to get from Bankstown to Dubbo at 85 kts a distance of 159Nm
Its 157Nm from Dubbo to Warnervale direct.. so pretty much the same distance, i think well in the range of a C150, and with the prevailing winds being westerly, might also help. dont forget it managed to get there in the first place.
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Old 8th Jun 2015, 22:09
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Few things spring to mind. The mention of carby ice is possible if there was enough moisture around.

Interesting point about on descent, The common training at flying schools is to go full rich on descent, and pulling the throttle back. To lessen the impact of icing during the descent, leave the mixture as lean as possible.

For those who have instrumented their carbs and experimented with this you will know what I mean. It is a significant contributor.

The little O-TCM's are great ice machines.
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Old 8th Jun 2015, 23:09
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G`day Jaba,

The common training at flying schools is to go full rich on descent, and pulling the throttle back
Certainly not at the school where I did my training! However, that was 30 years ago!
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Old 9th Jun 2015, 03:07
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Glad to hear it

The funny thing is at the end of an approach when everything is at its coolest including exhaust heat sources, the going full rich even then makes you more ice prone than leaving it well alone.
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Old 9th Jun 2015, 03:24
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The common training at flying schools is to go full rich on descent, and pulling the throttle back
Please, pleeeeease tell me that they are not teaching people to do this!



Jesus wept!
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Old 9th Jun 2015, 07:23
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Sadly yes.

the only time i have ever had carby ice in a rotax 912, has been on long descent from 8500ft to sea level in winter.. and those things are nearly impossible to ice up!
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Old 9th Jun 2015, 09:53
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It does make you despair Atlas, doesn`t it?

For the record, I later briefly flew Chieftains on a casual basis for the owner of my old Flying School and full rich mixture was only selected after descent, on downwind for the landing runway as part of the pre-landing checks.

I was taught this by the Owner right from the start, even when I did my CPL training in (deep breath, makes sign to ward off evil eye, throws salt over shoulder) a Seneca 1.

I still adhere to that rule.
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Old 9th Jun 2015, 10:30
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When you are paying by the hour it should always be a powered descent! There's no need for an airline-style coasting money-saving approach.
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Old 9th Jun 2015, 11:06
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it should always be a powered descent!
Why?

added content
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Old 9th Jun 2015, 11:51
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Ummm because it's faster and you are less likely to shock cool and have all the problems talked about in this thread ...
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