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- From: billn@hpcvaac.cv.hp.com (bill nelson)
- Subject: Re: CHP can't use radar?(Was: What radar d
- Message-ID: <1992Dec26.095446.3578@hpcvaac.cv.hp.com>
- Organization: Hewlett-Packard Company, Corvallis, Oregon USA
- References: <1992Dec19.114320.10336@u.washington.edu>
- Date: Sat, 26 Dec 1992 09:54:46 GMT
- Lines: 30
-
- tzs@stein.u.washington.edu (Tim Smith) writes:
- :
- : The court says (I use the singular rather than the plural, because I could
- : only find one California appellate case where someone objected to this on
- : the basis of it being a speed trap) that this is NOT a speed trap, because
- : the aircraft is using the marker to measure its own speed, rather than
- : using them to measure the speed of the car.
-
- The argument is misleading. They could not measure their own speed
- accurately, unless they were about 20 feet in the air and traveling
- parallel to the highway. For a number of reasons, this would upset
- the FAA very much.
-
- : I seem to recall a pilot or two saying that the plane could not go this
- : slow, but is that really true? Don't planes of the type the cops use
- : have to be able to fly at 71 MPH airspeed in order to be certified?
- : (I spent a few minutes with my copy of the FARs, but I couldn't find
- : where the requirements for certification are, but I'm pretty sure that
- : there is such a speed...anyone have the reference?)
-
- If they use a small 2 or 4 place plane, they can fly that slow. However,
- they are getting fairly close to stall speed - any shift from a head wind
- to a tail wind and they could stall and crash. From the low altitude they
- fly, they probably would not have time to recover.
-
- There is nothing in the FARs as to certification speed for an aircraft.
- That is determined by the aircraft manufacturer - and is different for
- each model they produce.
-
- Bill
-