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Everything posted by walrus
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Light plane crash Redesdale Vic 13/09/24 One dead.
walrus replied to red750's topic in Aircraft Incidents and Accidents
Another Bristell? Surely not.. -
Class 5 medical declaration. My experience
walrus replied to NT5224's topic in AUS/NZ General Discussion
Yes turbo, but I you miss the point; I am not a scofflaw. The evidence demonstrated that accidents attributable to medical conditions nominated and detectable by the medical profession are vanishingly small in number therefore the entire prgram has been and remains a total waste of time. This is not to say that there are not accidents caused by gross medical conditions (alcohol, tiredness, stress., etc., etc,) but that such conditions are detectable and best managed by a pilot and that the Doctors will be the last to know. The saddest submission to the consultation was from an obvious Avmed apparatchik who opined that there were thousands of pilots hiding dangerous medical conditions from creatures such as himself and that surveillance must be increased to detect these malefactors. Once again he ignored the evidence; if both allegations were true: hiding conditions and conditions cause accidents, then there should be a continuous background "noise" of medically related accidents - and there aren't. Certificate 5 rules are crap compared to the British ones anyway. I particularly disliked the crap on neurological condtions - alleging that sufferer could not be trusted to recognise their own conditions. This is especially troubling considering that many such conditions take years and years to be pronounced enough to make a firm diagnosis. . -
Class 5 medical declaration. My experience
walrus replied to NT5224's topic in AUS/NZ General Discussion
Posted June 4 If you have a crash and it’s determined you didn’t declare a (known) condition that contributed to the accident, irrespective of whether you’re flying on a Class 1, Class 2 (incl. Basic Class 2) or a Class 5 medical, you’re in strife. ,,,,,Rodger thats also the same for a std MV licence holder let alone any of the other CASA licences. - And that is about as likely as being nibbled to death by a duck, which is why Britain and America went for self declaration in the first place. The whole medical disaster that is aeromed rests on the erroneous presumption that a medical examination is able to detect a medical condition that the pilot is not aware of that catastrophically decreases her ability to fly safely. The WHOLE POINT OF SELF DECLARATION IS THAT THE EVIDENCE DEMONSTRATES THAT THIS FOLK BELIEF IS BULLSHIT. The experience shows that pilots are the best judges of whether they are medically sound or not. That does not mean they are perfect, but that they are streets ahead of the medical profession, and that they can and do accuratey certify their own fitness to fly every time they take the controls. AhHa! you say, but what about drugs, alcohol and mental illness? The answer to that one is that the medical profession will be the very LAST to detect such conditions. Please please also do not confuse a medical condition that is dangerous to the long term health of a pilot with a medical condition that is going to render them unfit to fly. For example what CASA considers is excessive alcohol use. ..... -
o ring groove design...... https://sealingaustralia.com.au/oring-groove-design/
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The ATSB in their report on the fatal crash of a Mooney Aircraft at Luskintyre, identified the cause of the accident as a fuel leak from the outlet of its engine driven fuel pump caused by the "failure of an O- Ring" that had apparently been undisturbed since 1993. I have no quarrel with this cause, just the definition of the sealing method as an O- Ring Seal and the then horrifying advice that aircraft owners should start pulling things apart and replacing O- rings just in case! https://www.atsb.gov.au/publications/investigation_reports/2022/aair/ao-2022-049#theinvestigation1 https://www.atsb.gov.au/media/news-items/2024/atsb-urges-proactive-approach-replacing-elastomer-components-after-o-ring-failure-contributed-luskintyre-flight-fire-accident Firstly, while Lycoming may classify the affected part as an "O Ring" the joint in question is not remotely classifiable as an O -Ring seal application in my book because O - Rings fit in grooves - very carefully machined grooves at that. Properly designed, such systems have very few ways of failing, (unless applied to a space shuttle) and are certainly not subjected to the obvious crushing and twisting loads imposed by Lycomings design which appears to be an SAE port of some kind (J1926)? https://www.univair.com/engine-parts/lycoming/74070-lycoming-fitting-assembly/ .............which makes the ATSB advice look stupid and dangerous because there is a major issue with infant mortality in replacing O - Rings. They could perhaps have confined themselves to an inspection of the offending part.
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I have tools and various bits of aircraft kit left over from a build. Ranging from rivets to AN hardware and fasteners, clecos and some aircraft specific parts. A few tools are valuable. Whats the best way to recycle this stuff? Ebay is a possibility but a chore. Traceability would be an issue for certified aircraft. Suggestions requested.
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The latest RAA Email suggests that there is a pent up demand for Group G - 700 expressions of interest I believe. RAA is now in the process of reviewing its time table to cater for the demand. What does this tell us about the state of Aviation regulation in Australia?
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Sorry to hear about Wal - the Rotax Whisperer. I run a 912 iS and I don't like that flexible line at all. If I had to use one at all, it would be a reputable make of AN6 teflon and braided stainless with fire sleeve. The oil lines also need fire sleeves but they are not under much pressure and they also have to be able to take vacuum which can be considerable with a cold engine - which is why you can't apply full power until the oil is at or above 50C. I run Goodridge convoluted teflon and braided SS forward of the firewall because it is very flexible although expensive. NB if using Teflon and SS hose, be very careful not to overtorque the securng nut because it can split, leaving you with a difficult to trace fuel weep.
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Bankstown Airport - Is it all Doom and Gloom?
walrus replied to Ben's topic in AUS/NZ General Discussion
Turbo, yes, that is the way it is supposed to work in a free market capitalist economy that we are supposed to have. We should always be looking at the donut, not the hole. However, although I have no direct experience of CASA and certainly haven't seen any bad behaviour personally, I don't wish to be dragged into the discussions of alleged bastardry that appear to be continuous. What I think I can say, taking an overall view of the situation is that over the years I have read enough, including Parliamentary publications, that document Government attitudes and associated CASA regulatory behaviour that increases business risk for potential investors in aviation compared to other forms of investment, for example, property development, mining, agriculture and even manufacturing. When you evaluate an investment opportunity, you start with consideration of Sovereign risk, that is the risk of doing business ina p-articular country and then drill down to business risks, competitors likely reactions, technical risk, etc. etc until you arrive at a return on investment adjusted for the risks involved. IF the risk is high, then the returns must be high. A component of sovereign risk is regulatory risk and aviation is a regulatory minefield as is allegedly CASA's behaviour in promulgating, interpreting and enforcing the same, at least according to Sen. Fawcett and many other MP's. The risk of investing in aviation in Austrlia is too high compared to other investment opportunities That means that we are likely to be underinvested in the aviation sector of our economy compared to say, USA, New Zealand and even UK. NO investment = no economic activity = no jobs and it's a vicious circle. -
Class 5 medical declaration. My experience
walrus replied to NT5224's topic in AUS/NZ General Discussion
Turbo, you are right, lets hope it is just an IT problem. We need to give CASA some slack on this one. -
Class 5 medical declaration. My experience
walrus replied to NT5224's topic in AUS/NZ General Discussion
Tuboplanner: "The problem is Rodger the people complaining most likely don't know how to order a pizza or an Uber, and, like the old geysers that used to wander abound the banks saying they were "awful" for not having as many counters, one day there's going to be a puff of fairy dust and it will be learn the systems or nick off. " Err..No, period. Your faith in computer systems and technology is touching but misplaced. Computer systems are as unreliable as the people who specify them, let alone code them. Examples? The British Post Office scandal - ongoing and robodebt in Australia. Imagine the cluster**** possibilities of CASA training an AI if you want a real nightmare. -
The window arrangement does not look like a Zenith 750 Cruzer or STOL, neither does the door, which on a 750 is a one piece bubble. The Cruzer doesn't have an inverted stabiliser and the 750 STOL doesn't have those tips on the stabiliser. Neither of them comes standard with hub caps. Both the Cruzer and 750 STOL are good for 650 kg MTOW. Perhaps it is a 701, 801, Savannah or some sort or some modified combination. It appears that the aircraft was only registered a month ago, so that suggests the pilot didn't have much time on type. The behavior of some light aircraft in a strong crosswind can be challenging. You need to remember the rules for control positions when taxiing and be very, very careful to ensure that the upwind wing never gets too high an angle of attack. If it is a ZEenith type, the full span flaperons get quite heavy when drooped as flaps and while they are very effective you have to be ready to apply some muscle make them work and to keep that into wind wing down and under control. In any case I hope the pilot pulls through.
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Correction, not a Zenith 750. Maybe a Savannah? I hope the pilot recovers.
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Looks like a Zenith 750 Cruzer from the tail. Crosswind demonstrated somewhere around 15 kts but you need your wits about you.
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Bankstown Airport - Is it all Doom and Gloom?
walrus replied to Ben's topic in AUS/NZ General Discussion
Got to New Zealand and visit a few airports, better still the USA. Only then will you understand the depth of our ruin and the tremendous damage that has been done. -
If at all possible, transport an aircraft kit crate yourself. Apart from the cost, using a commercial freight service will bring your aircraft kit into contact with the number one destroyer of kit aircraft - "Mr. Forklift". Now Mr. Forklift is a very, very dangerous beast; it is not very bright, it cannot read those signs saying "Fragile Aircraft" and "do not stack", it assumes that your crate is as strong as a bank vault full of anvils and it will treat it accordingly. The lads who empty shipping containers are equally rough. The reality is that your crate weighs next to nothing, you have no idea how strong the box is, nor what shipping damage it may have sustained. It contains aircraft skins - large sheets of .016 aluminium that will dent if you frown at them. You need to watch the whole performance yourself. My crate was damaged by a fork in transit and I lost a rudder skin - its not the actual cost of the part - it's insured, but the buggerisation of making a claim and getting a new one is extreme. HIre a vehicle trailer if necessary. If you are going to build an aircraft, you will devise a way of getting the box on and off yourself. If you can't solve that problem. well, you probably shouldn't be building a kit aircraft. As for moving a completed airframe, I hired a plant trailer which will take a little wider wheel track than a car trailer. Whatever you do, either remove or double lock all control surfaces and hatches because you will probably be travelling well above stall speed on the road.
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Further to my Wednesday post. If Ozrunay sales and marketing staff are "let Go" or find that they no longer have any sales growth targets in their KPI's, or if product development staff are Let Go or merged into Foreflight, then you will know that Boeing is going to euthanise OZrunways, for if a business isn't growing, its declining.
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Sfgnome - helicoils by any chance? There is a long list of Australian technologies that have been sold overseas and lost to Australia from the value adding standpoint. The main reason being that our taxation laws make it virtually impossible to run a global corporation from Australia, as if the tyranny of distance wasn't already enough.
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....or more likely; Boeing bought Ozrunways to kill it. That is also a favourite American tactic. They just "put it on the shelf and let it gather dust" - convert the customer base to Foreflight. The giveaway, if that is Boeings intention, will be the absence of any performance incentives for the previous owners and managers in the purchase agreement, or if there are, the absence of any clause committing Boeing to invest in and foster its new purchase. One thing is for sure; whatever amount they paid - they intend to screw out of the Australian customer base. If I was an employee without any share options, I would start looking for a new job right now, because Boeing is managed by human Hyenas - which is why they have quality issues. They will destroy Ozrunways.
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Well that is the end of Ozrunways. I won't renew my subscription. No American company can be trusted not to nickel and dime you to death. First to vanish is the agility and fast updates and new features. Then they start to charge for product support while at the same time complexifying the product and the documentation so you need support. Then we segment the product offerings like a Starbucks coffee. Let's see; "Student starter pack", "RAA special", ""GA Pro", "Commercial Piston", "Jet IFR". Then we have flavours - "Australian', "US", "Intercontinental". Support levels; "Gold", "Platinium" etc. Then we get airline and company specific. ....and I give you ; "BLOATWARE" that only runs on the most powerful tablet available. But we promise that won't happen..... .........not when you have five million in share options maturing next year......... Because Wall street drives everything and they are utterly ruthless. Wall street will have at least five analysts specialising in electronic flight bags next week and it is those guys at JPM and Goldman Sachs who are in the driving seat, not the former management team..
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Class 5 medical commence from 9 February 2024
walrus replied to Blueadventures's topic in AUS/NZ General Discussion
The problem with this discussion is that the issue with medical certification that prompted CAA and FAA to act, is not about "hidden health problems" at all. The facts of the matter are that the FAA and CAA proved to their own satisfaction that there is no statistical correlation capable of being detected by a medical between a GA pilots health and the potential for that pilot to have an accident. This is not to say that there is No correlation between health and propensity for accident but that, if there is, an official medical examination is a very, very expensive and ineffective way of trying to find it, to the point of being a total waste of time and money. -
Small plane missing Victoria 18/09/22
walrus replied to BrendAn's topic in Aircraft Incidents and Accidents
Mr. Farrell was allegedly a skilled paraglider, the operative question then is; would he have launched his paraglider in those weather conditions? If not, why did he think that a VFR Jabiru would be successful? -
I am planning to sell my pride and joy. What is the best way to go about it? What should I avoid?
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Brendan: "Just to be clear, I am not going to jump in my ultralight and go crossing mountains tomorrow, it's just something I would like to consider down the track. Maybe even the odd trip up to the licola area and back . It's not very far from west sale.". Yes Brendan, but we don't know that you aren't a complete idiot like the guy who killed himself attempting something similar, who had zero experience. That is why we all react.. https://www.abc.net.au/news/2022-09-20/mount-beauty-plane-crash-victim-mathew-farrell-mourned/101458134 ''I know the Mansfield region pretty well and have had one or two closes shaves....... ''Remember that there are old pilots and bold pilots, but not old and bold...