At 07:31 PM 18/06/2009, you wrote:
This is the "principle of interoperability" that is driving
all the Mode S proposed requirements for many countries -
which are slowly coming to the realisation that there are
lots of aircraft with people in them that cannot support a
transponder indefinitely because of limited electrical
capacity.
Glider pilots throughout the world are leading this fight -
all kinds of gliders, plus balloons and some of the lighter
ultralights.
Wombat
I can see the problem for hang/paragliders and ultralights which
operate under some strict arbitrary weight limit but gliding has
pretty much shot itself in the foot over that one. If the authorities
ever find out that glider pilots are installing high current drain
colour flight computers which draw at least as much as a transponder
and their rationale is "I just installed a bigger battery to run it",
all credibility will be lost.
The bigger problem will be keeping stuff running with typical
installation standards. The authorities will fix this easily by
demanding that the power system and transponder be installed by a
certified avionics shop. Read expense. Of course the rest of your
instruments might also work properly and keep working.
Mike
Borgelt Instruments - manufacturers of quality soaring instruments since 1978
phone Int'l + 61 746 355784
fax Int'l + 61 746 358796
cellphone Int'l + 61 428 355784
email: [email protected]
website: www.borgeltinstruments.com
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