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Kellym
Joined: 10 Jan 2006
Posts: 1706
Location: Sun Lakes AZ
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 Posted: Wed Oct 19, 2011 6:52 am Post subject: Tentative Zenith Electrical Design |
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The bigger question is not so much whether to install a transponder, but
whether to install mode A/C, UAT or Mode S-ES.
We are only 8 yrs, 2 mos from mandatory ADS-B out for all the same
airspace where Mode C is currently required. How long Mode C will remain
useful after that date is unknown, as is whether the feds against
aviation will extend the ADS-B deadline. Costs have come down on the
1090-ES Mode S transponders, with some in the $2000-2500 range. Since
many of us live/base under a Mode C veil now, lack of a transponder is
rather confining. Most of us on the other hand won't have a need to
reach the flight levels, so UAT may be a better option, but haven't seen
many units on the market, so far.
On 10/19/2011 7:29 AM, bakerocb(at)cox.net wrote:
| Quote: |
10/19/2011
3) But you have one other very powerful tool available to notify ATC
(even if you are not in radio or ongoing flight following radar
contact with them) that you have both an emergency and your present
location IF you have an operable transponder on board and you squawk
7700.
4) Points have been raised about cost, weight, and obsolencence of
avionics systems in general. Modern, lightweight, solid state
transponders that will remain useable in the ATC system for the
foreseeable future are available for less than $2,000. Is that a good
investment for you and your aircraft?
5) Please keep 3 and 4 above in mind, as well as the many other points
that have been made on this subject, as you consider whether or not to
install a transponder when you build your aircraft.
'OC' Baker Says: "The best investment we can make is the time and
effort to gather and understand knowledge."
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_________________
Kelly McMullen
A&P/IA, EAA Tech Counselor # 5286
KCHD |
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BobsV35B(at)aol.com
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| Posted: Wed Oct 19, 2011 7:26 am Post subject: Tentative Zenith Electrical Design |
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Good Morning OC,
Just to hit that poor horse one more time, have you never had ATC tell you that radar has been lost? I find that at the altitudes I often fly, loss of radar is common. I still say that it is up to we aviators to decide what we need and how we operate. There is no other entity that will have our best interests covered as well as we will.
As Always, It All Depends!
Happy Skies,
Old Bob
In a message dated 10/19/2011 9:33:50 A.M. Central Daylight Time, bakerocb(at)cox.net writes:
| Quote: | --> AeroElectric-List message posted by: <bakerocb(at)cox.net>
10/19/2011
Hello Fellow EAB (Experimental Amateur Built Aircraft) Builders and Pilots,
Fair warning -- I have broken out my whip and am about to give a nearly dead
horse another (final?) whack.
The subject of whether or not to install a transponder in the aircraft that
you are currently building has been hashed over pretty thoroughly recently
from many aspects except for this one:
1) Suppose that you are flying around in (relatively remote) airspace that
does not require a transponder. Further suppose that you are a very safety
conscious individual and that you have you and your aircraft equipped with:
a) A GPS capable 406 ELT (http://www.aopa.org/whatsnew/regulatory/elt.html),
b) A hand held portable radio,
c) A cell phone (both with well charged batteries),
d) And maybe even a PLB (http://en.wikipedia.org/wiki/Distress_radiobeacon).
2) You are flying several thousand feet above ground when your engine
suffers an unrecoverable failure. As you glide down you take some comfort in
having each of the tools listed in 1 above available, but each of those
tools (and your ability to operate them) severally have failure modes during
and after contact with the earth's surface.
3) But you have one other very powerful tool available to notify ATC (even
if you are not in radio or ongoing flight following radar contact with them)
that you have both an emergency and your present location IF you have an
operable transponder on board and you squawk 7700.
4) Points have been raised about cost, weight, and obsolencence of avionics
systems in general. Modern, lightweight, solid state transponders that will
remain useable in the ATC system for the foreseeable future are available
for less than $2,000. Is that a good investment for you and your aircraft?
5) Please keep 3 and 4 above in mind, as well as the many other points that
have been made on this subject, as you consider whether or not to install a
transponder when you build your aircraft.
'OC' Baker Says: "The best investment we can make is the time and effort to
gather and understand knowledge."
|
| | - The Matronics AeroElectric-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?AeroElectric-List |
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BobsV35B(at)aol.com
Guest
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| Posted: Wed Oct 19, 2011 7:27 am Post subject: Tentative Zenith Electrical Design |
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Good Point Well Made Kelly,
Happy Skies,
Old Bob
In a message dated 10/19/2011 9:53:10 A.M. Central Daylight Time, kellym(at)aviating.com writes:
| Quote: | --> AeroElectric-List message posted by: Kelly McMullen <kellym(at)aviating.com>
The bigger question is not so much whether to install a transponder, but
whether to install mode A/C, UAT or Mode S-ES.
We are only 8 yrs, 2 mos from mandatory ADS-B out for all the same
airspace where Mode C is currently required. How long Mode C will remain
useful after that date is unknown, as is whether the feds against
aviation will extend the ADS-B deadline. Costs have come down on the
1090-ES Mode S transponders, with some in the $2000-2500 range. Since
many of us live/base under a Mode C veil now, lack of a transponder is
rather confining. Most of us on the other hand won't have a need to
reach the flight levels, so UAT may be a better option, but haven't seen
many units on the market, so far.
On 10/19/2011 7:29 AM, bakerocb(at)cox.net wrote:
| Quote: | --> AeroElectric-List message posted by: <bakerocb(at)cox.net>
10/19/2011
3) But you have one other very powerful tool available to notify ATC
(even if you are not in radio or ongoing flight following radar
contact with them) that you have both an emergency and your present
location IF you have an operable transponder on board and you squawk
7700.
4) Points have been raised about cost, weight, and obsolencence of
avionics systems in general. Modern, lightweight, solid state
transponders that will remain useable in the ATC system for the
foreseeable future are available for less than $2,000. Is that a good
investment for you and your aircraft?
5) Please keep 3 and 4 above in mind, as well as the many other points
that have been made on this subject, as you consider whether or not to
install a transponder when you build your aircraft.
'OC' Baker Says: "The best investment we can make is the time and
effort to gather and understand knowledge."
|
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| | - The Matronics AeroElectric-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?AeroElectric-List |
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earl_schroeder(at)juno.co
Guest
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| Posted: Sun Oct 23, 2011 8:07 am Post subject: Tentative Zenith Electrical Design |
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Interesting discussion... just remember to turn OFF your transponder within 30 miles of Oshkosh if arriving during the annual convention..where one of the highest concentration of aircraft exists in the USA. See and avoid!
do not archive
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