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  #23  
Old March 9th 04, 01:01 PM
Janos Bauer
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Running up and down just few kilometers from the airport is not the
same performance what requires by the current 3 turnpoints (plus start
and finish point) rule. Double out and return still allowed.
Theoretically you don't have to go further than 125km from your home on
a 500km task.
I can imagine a paper declaration with simple GPS log for badges. This
would involve more pilots with the same security what photo and
barograph provide right now.

/Janos

Mark James Boyd wrote:

In article ,
Don Johnstone wrote:
I stand corrected. My original query still stands.
Where cameras and smoky barographs were used I can
see the sense of a 'declaration'. With GPS do we really
need it, surely the criteria should be the distance
flown and this can now be positively verified with
a data logger. Why complicate something so simple?
A 300k or 500k downwind dash ie free distance is ok
so why not a triangle


A couple of points, and if anyone thinks any
of these are wrong, please correct me:

1. If a qualifying task is completed which is a subset
of the declared task, this is fine:

EXAMPLE:

A B

D C E

If A-B-E-C-D-A is declared, A-B-C-D-A is flown, and
A-B-C-A qualifies as a 300km triangle, then (assuming the
OZ and altitude rules are met), this is considered a
"declared and completed 300km triangle." Congratulations!

2. There is no limit on the number of turnpoints one
may declare for a flight.

3. Turnpoints may be repeated in a delaration.

So, for example,

A-B-C-D-E-A-B-C-E-D-A-B-D-C-E-A-B-D-E-C-A-B-E-C-D-A-B-E-D-C-
A-C-B-D-E-A-C-B-E-D-A-C-D-B-E-A-C-D-E-B-A-C-E-B-D-A-C-E-D-B-
A-D-B-C-E-A-D-B-E-C-A-D-C-B-E-A-D-C-E-B-A-D-E-B-C-A-D-E-C-B-
A-E-B-C-D-A-E-B-D-C-A-E-C-B-D-A-E-C-D-B-A-E-D-C-B-A-E-D-B-C

is a perfectly valid task declaration. It's also quite useful,
because if one declares this before the flight, one can
fly the turnpoints in any order and after the flight,
that subset achieved is considered a completed, declared
task. And any subset of those points which qualifies
for a badge is also completed and qualifying.

So if one has a clever computer program to print out
all the turnpoint permutations, and enough printer paper,
and a friendly OO, one can simply fly any turnpoints in
whatever order and come back and land and then figure out
what the flight qualifies for. All quite proper.

Reducio ad absurdum...

The IGC should have approved the idea of post-flight declared
turnpoints for badge tasks. It saves paper...

 




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