Re: [Aus-soaring] 50' obstacle clearance rule

2012-10-20 Thread Future Aviation
, 20 October 2012 9:50 AM To: Discussion of issues relating to Soaring in Australia. Subject: Re: [Aus-soaring] 50' obstacle clearance rule Surely the important thing here is to clear any ground fixed obstacle on approach by a safe margin. That will vary according to the circumstances

Re: [Aus-soaring] 50' obstacle clearance rule

2012-10-20 Thread Mike Borgelt
At 06:31 AM 21/10/2012, you wrote: Hi Terry, hello all A lot has now been said about the 50 ft rule but I'm surprised that no one has pointed out that this can be outright dangerous. Alan Wilson pointed that out. Mike Borgelt Instruments - design manufacture of quality soaring

Re: [Aus-soaring] 50' obstacle clearance rule c.

2012-10-20 Thread Rob
They were planning to, with indications from CASA that this would be allowed. Then CASA did a backflip! -Original Message- From: David Long Cath Lincoln Sent: Saturday, October 20, 2012 12:06 AM To: Discussion of issues relating to Soaring in Australia. Subject: Re: [Aus-soaring] 50

Re: [Aus-soaring] 50' obstacle clearance rule

2012-10-20 Thread Derek
in Australia.' Subject: Re: [Aus-soaring] 50' obstacle clearance rule Hi Terry, hello all A lot has now been said about the 50 ft rule but I'm surprised that no one has pointed out that this can be outright dangerous. Consider the case where a heavy open class glider (touching down at 55

Re: [Aus-soaring] 50' obstacle clearance rule

2012-10-19 Thread Robert Hart
On 19-Oct-12 11:11, Mike Borgelt wrote: At 06:16 AM 19/10/2012, you wrote: But in any event is the rule necessary? We all know the advantages of not hitting the far fence at 5 knots over going through the near fence at

Re: [Aus-soaring] 50' obstacle clearance rule

2012-10-19 Thread tom claffey
-soaring] 50' obstacle clearance rule On 19/10/2012, tom claffey to...@yahoo.com wrote: Aviation uses feet for height, metres for horizontal distance and knots for speed - deal with it! The teenagers I teach with the AAFC have no problems with it. Tom The only problem with the this is the way it's

Re: [Aus-soaring] 50' obstacle clearance rule

2012-10-19 Thread Peter F Bradshaw
F Bradshaw p...@exadios.com To: Discussion of issues relating to Soaring in Australia. aus-soaring@lists.internode.on.net Sent: Friday, 19 October 2012 2:24 AM Subject: Re: [Aus-soaring] 50' obstacle clearance rule Hi; Irrespective of whether it is 50' or not I find it hard to believe

Re: [Aus-soaring] 50' obstacle clearance rule

2012-10-19 Thread tom claffey
-soaring@lists.internode.on.net Sent: Friday, 19 October 2012 6:30 PM Subject: Re: [Aus-soaring] 50' obstacle clearance rule Hi Tom; I am 62 years old so I have no problem dealing with it. But I am not that old that I do not remember that I was once young. Recreational flying - and gliding

Re: [Aus-soaring] 50' obstacle clearance rule

2012-10-19 Thread tom claffey
From: Peter F Bradshaw p...@exadios.com To: Discussion of issues relating to Soaring in Australia. aus-soaring@lists.internode.on.net Sent: Friday, 19 October 2012 8:14 PM Subject: Re: [Aus-soaring] 50' obstacle clearance rule Hi Tom; I'm not sure what you mean by second officers but I'm

Re: [Aus-soaring] 50' obstacle clearance rule

2012-10-19 Thread Mike Borgelt
At 07:55 PM 19/10/2012, you wrote: Hundreds of thousands of young people staying away from gliding because of feet and knots? Just how many TIFs does your club do? ;) There are many reasons for low numbers of new pilots but units are not one of them! [old mumbling instructors may be!] Tom

Re: [Aus-soaring] 50' obstacle clearance rule

2012-10-19 Thread Peter F Bradshaw
. aus-soaring@lists.internode.on.net Sent: Friday, 19 October 2012 8:14 PM Subject: Re: [Aus-soaring] 50' obstacle clearance rule Hi Tom; I'm not sure what you mean by second officers but I'm guessing that you are not talking about glider pilots. In any case the people you need to talk

Re: [Aus-soaring] 50' obstacle clearance rule

2012-10-19 Thread Al Borowski
On 19/10/2012, tom claffey to...@yahoo.com wrote: So put your proposal to ICAO. Tom I wish I had that much power. Given the choice, I'd keep Feet etc, but introduce a plain English option to run in parallel with TAFs / NOTAMs etc. Something in a simple table format that takes a student pilot 10

Re: [Aus-soaring] 50' obstacle clearance rule c.

2012-10-19 Thread David Long Cath Lincoln
I thought the RAA is introducing a controlled airspace endorsement. Dave Long On 19/10/2012, at 6:43 AM, Al Borowski al.borow...@gmail.com wrote: On 19/10/2012, tom claffey to...@yahoo.com wrote: So put your proposal to ICAO. Tom It's entirely possible for a pilot to legally fly in

Re: [Aus-soaring] 50' obstacle clearance rule

2012-10-19 Thread Jim Staniforth
It was done a decade or so in the USA. You could log on to DUATS - Direct User Access Terminal Service - and choose plain language weather briefing. Unfortunately, plenty of things were rost in transration, with multiple choices given for their own translations. Really shows how silly the

Re: [Aus-soaring] 50' obstacle clearance rule

2012-10-19 Thread Terry Neumann
Surely the important thing here is to clear any ground fixed obstacle on approach by a _safe margin_. That will vary according to the circumstances and the pilot's experience and competence. This discussion has demonstrated how quickly things can be confused by getting hung up on units of

Re: [Aus-soaring] 50' obstacle clearance rule

2012-10-18 Thread stephenk
OK, the junk we keep. Further digging and I found the inserts of an older instructors manual. The diagram is not the same, it is simpler and has no indication of the 50ft clearance but the equivalent paragraph I referred to below has only been slightly edited in the 80s version. The sentence

Re: [Aus-soaring] 50' obstacle clearance rule

2012-10-18 Thread Peter F Bradshaw
Hi; Irrespective of whether it is 50' or not I find it hard to believe that the figure is given in a system which people under 40 have no heuristic knowledge of. On Mon, 15 Oct 2012, Mark Newton wrote: Hi folks. My google-fu is failing me, but at least one of you can probably help. I've

Re: [Aus-soaring] 50' obstacle clearance rule

2012-10-18 Thread Alan Wilson
...@lists.internode.on.net] On Behalf Of Peter F Bradshaw Sent: Friday, 19 October, 2012 2:24 AM To: Discussion of issues relating to Soaring in Australia. Subject: Re: [Aus-soaring] 50' obstacle clearance rule Hi; Irrespective of whether it is 50' or not I find it hard to believe that the figure is given in a system

Re: [Aus-soaring] 50' obstacle clearance rule

2012-10-18 Thread Laurie Hoffman
: Alan Wilson a...@ozemail.com.au To: 'Discussion of issues relating to Soaring in Australia.' aus-soaring@lists.internode.on.net Sent: Friday, 19 October 2012 7:16 AM Subject: Re: [Aus-soaring] 50' obstacle clearance rule Ah the 50' rule.  It has been around for more years than stated and  has been

Re: [Aus-soaring] 50' obstacle clearance rule

2012-10-18 Thread tom claffey
in Australia. aus-soaring@lists.internode.on.net Sent: Friday, 19 October 2012 2:24 AM Subject: Re: [Aus-soaring] 50' obstacle clearance rule Hi; Irrespective of whether it is 50' or not I find it hard to believe that the figure is given in a system which people under 40 have no heuristic knowledge

Re: [Aus-soaring] 50' obstacle clearance rule

2012-10-18 Thread Mike Borgelt
At 06:16 AM 19/10/2012, you wrote: But in any event is the rule necessary? We all know the advantages of not hitting the far fence at 5 knots over going through the near fence at 50 knots. Those who don't are not around to tell! So, clear all obstacles is the key, and land as safely as you

Re: [Aus-soaring] 50' obstacle clearance rule

2012-10-18 Thread Al Borowski
On 19/10/2012, tom claffey to...@yahoo.com wrote: Aviation uses feet for height, metres for horizontal distance and knots for speed - deal with it! The teenagers I teach with the AAFC have no problems with it. Tom The only problem with the this is the way it's always been done approach is we

Re: [Aus-soaring] 50' obstacle clearance rule

2012-10-18 Thread Mike Borgelt
At 12:53 PM 19/10/2012, you wrote: On 19/10/2012, tom claffey to...@yahoo.com wrote: Aviation uses feet for height, metres for horizontal distance and knots for speed - deal with it! The teenagers I teach with the AAFC have no problems with it. Tom The only problem with the this is the way

Re: [Aus-soaring] 50' obstacle clearance rule

2012-10-17 Thread Mike Cleaver
HI Mark I may be able to help re the 50 ft thing. Back in 1986, at the pre-Worlds prior to the Benalla 1987 Worlds, a French competitor hit a power line 4 km from the airfield flying at or over Vne, removed the tailplane from his glider, and was killed. Between us, the GFA (Mike Valentine

[Aus-soaring] 50' obstacle clearance rule

2012-10-14 Thread Mark Newton
Hi folks. My google-fu is failing me, but at least one of you can probably help. I've long accepted that the rule for obstacle clearance is 50'. However, the GFA instructor handbook describes it as a wingspan, and the B certificate oral exam calls 50' a recommended minimum, so I'm trying to

Re: [Aus-soaring] 50' obstacle clearance rule

2012-10-14 Thread Stuart Kerri FERGUSON
Great pickup.and for a 15 Metre aircraft the two are one and the same; and possibly this is where the history lies as documents were edited by different authors; it obviously requires clarification. SDF On 15/10/2012, at 13:17, Mark Newton new...@atdot.dotat.org wrote: Hi folks.

Re: [Aus-soaring] 50' obstacle clearance rule

2012-10-14 Thread Tim Shirley
Hi Mark, As a general comment, making mandatory rules for obstacle clearance for aircraft without a throttle lever seems a bit silly. If I'm faced with missing a tree by less than a wingspan or hitting the fence at the end of the paddock I know which one I will be choosing. And why would

Re: [Aus-soaring] 50' obstacle clearance rule

2012-10-14 Thread Mark Newton
On 15/10/2012, at 13:12, Tim Shirley tshir...@internode.on.net wrote: As a general comment, making mandatory rules for obstacle clearance for aircraft without a throttle lever seems a bit silly. Agreed! Nevertheless, my received training and my experiences at various gliding operations

Re: [Aus-soaring] 50' obstacle clearance rule

2012-10-14 Thread Kevin Roden
*So I *think* it's true that there's a widespread believe within GFA that there's a rule which mandates a 50' obstacle clearance minimum, and I'm trying to find out why :)* If the rule called for somehting less than 50', say 5', there would be no room left for pilots to break the rule! *Kevin