NavList:

Gary LaPook added:

Every instrument in the cockpit including the airspeed indicator, the
DME, the  GPS, etc. and all of the charts used in the air  have their
units in nautical miles and knots. A rule of thumb is that you cruise at
450 knots.






Red wrote:

>Robert-
> " It is also intesting to note that, near as I can reckon, the nautical mile
>has never been abandoned by the aviation and marine industries in favour of the
>kilometer. "
>
> Incidentally, in the US, our airline industry *has* in fact abandoned the
>nautical mile, if they ever used it. While pilots may still use knots and
>nautical miles (I don't know how they'd vote) if you ask any US air carrier they
>will tell you airspeeds and distances in plain statute miles and mph. They tend
>to schedule aircraft at a convenient 500 statute mph these days, which is also a
>bit less fuel thirsty than what the aircraft really can do. I don't know of any
>official policies or pronouncements about this, that's just what "every" carrier
>in the small number I've dealt with in the past ten years has used.
>
>
>
>>
>
> 
>



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