Singapore down selects three fighters...

On Thu, 16 Oct 2003 13:10:30 -0700, Harry Andreas wrote:
In article ,
wrote:
Postulating a South Asia Typhoon v F-35 engagement, what makes
you think the more stealthy F-35 won't use NCTR then shoot the
Typhoon in the face BVR with an AIM-120?

I don't know what NCTR is, so I won't discuss that. If the F-35 is
switching its radar on to detect the Typhoon, then the Typhoon will
presumably be able to detect this (the signal will be
billions of times stronger at the Typhoon than what's received back
at the F-35), so I am doubtful of the possibility of the F-35
sneaking up on the Typhoon undetected.

NCTR - Non Cooperative Target Recognition

Umm, that's sound bizare to me -- isn't it normal for the target
to not co-operate in being recognised?

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"phil hunt" wrote in message

On Thu, 16 Oct 2003 13:10:30 -0700, Harry Andreas
wrote:
NCTR - Non Cooperative Target Recognition

Umm, that's sound bizare to me -- isn't it normal for the target
to not co-operate in being recognised?

Depends. Civilian aircraft are supposed to squawk a transponder code, but
sometimes don't. So are friendly aircraft (unless the enemy can spoof your
IFF). An aircraft not squawking could be hostile, or it could be a neutral
airliner or friendly aircraft with a failed or inactive transponder.

NCTR gives you a way to identify an aircraft type by specific
characterisitcs of the radar return. Various different techniques are used;
I won't even try to go into details of how they do it. KNowing the typer of
aircraft, you can then make a more informed decision about the contact's
status.

IN Gulf War 1, two positive forms of ID were required to authorize a shoot.
AWACS track from an Iraqi point of origin was good for one. NCTR or Visual
ID was good for another. Lack of IFF did not count.

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