Re: 4-point Landing Gear Aircraft

Date:         22 Jul 99 23:30:33 
From:         "Henry's Cat" <>
Organization: Henry's Cat Motor Sport
References:   1
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James Fu <> wrote in message <airliners.1999.751@ohare.Chicago.COM> ...
> Why is it that pilots of aircraft with 4-point landing gear systems (nose,
> center, and one each main) sometimes deploy only the nose and main points,
> and not the center?  Naturally, aircraft like the MD11, DC10, and A340 are
> the referenced aircraft here.

Maybe they don't need the centre main when the a/c isn't heavily loaded.
In the DC-10-30 use of the centre main for takeoff was optional, and Air
NZ flightplans specified whether it was to be down or not.