Stupid transponder question, or, stumped by the wife

Frank Ch. Eigler wrote:

Newps writes:


Can you picture the radar screen in Boston/New York/Chicago/LAX
when all the planes on the ground are showing up? The radar sweeps
by and shows 23 planes lines up for the departure runway,
superimposed on whoever is flying overhead.


Irrelavant. The radar computer has software that will not show any
target within the user specified distance from the radar antenna.
[...]


Maybe, but it is still a problem for aircraft with TCAS, who
receive false alarms due to the ground traffic.


Then their TCAS has problems. Properly operating TCAS knows the
aircraft is stationary plus below a certain altitude it is advisory in
nature. If this were a problem I would hear about it from aircraft with
TCAS. Not once in the last 17 years has an aircraft with TCAS so much
as mentioned they were receiving an alert from an aircraft holding short
of the runway.

JohnH wrote:
"That's stupid, why does something like that even have an on/off
switch?"

For the very reason many men wished thier wives had one.



Oh, but they do. My ex-wife had hers turned off for weeks at a time.



--
Mortimer Schnerd, RN

VE

RST Engineering wrote:

Then why doesn't the stall warning horn have one?

The stall warning horn in all of my aircraft have two: The CB and the
one labeled "master".

RST Engineering wrote:
Every electric device needs an on-off switch.

Then why doesn't the stall warning horn have one?



The stall warning horn more than likely has a circuit breaker. And some stall
horns, like on the C-152, are pneumatic.



--
Mortimer Schnerd, RN

VE

"RST Engineering" wrote in message
...
Then why doesn't the stall warning horn have one?

Cause nobody has yet found a way to turn off a butt which is what real
airplanes have for stall warning indicators. :-)

Jim

Every electric device needs an on-off switch.

"Peter R." wrote in message
...
sfb wrote:

In military formation flying, only 1 plane has a transponder turned on.

Isn't this true with GA formation flying as well?

Yes, and ATC will let you know if more that one in the formation has their
transponder on.

--
Peter
























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In most Cessnas with electric horns, the CB is a hidden "auto-reset" device
that you can't pull. The master doesn't count.

Jim


"Chris Kennedy" wrote in message
...
RST Engineering wrote:

Then why doesn't the stall warning horn have one?

The stall warning horn in all of my aircraft have two: The CB and the
one labeled "master".

"Mortimer Schnerd, RN" wrote in message
...
RST Engineering wrote:
Every electric device needs an on-off switch.

Then why doesn't the stall warning horn have one?



The stall warning horn more than likely has a circuit breaker.

See my reply to Chris Kennedy


And some stall
horns, like on the C-152, are pneumatic.

That's rather gratuitous of you.

Jim

"RST Engineering" wrote in message
...

Then why doesn't the stall warning horn have one?


It does. You'll find it in the wing leading edge.

RST Engineering wrote:

In most Cessnas with electric horns, the CB is a hidden "auto-reset" device
that you can't pull. The master doesn't count.

Fair enough. The fact that most Cessnas don't have a CB that you can
pull doesn't change the fact that my aircraft do. Perhaps that's a bit
pedantic, but it remains a valid response to the question you posed.