[time-nuts] time-nuts Digest, Vol 58, Issue 51

Magnus Danielson magnus at rubidium.dyndns.org
Fri May 22 08:55:00 UTC 2009


Robert Atkinson skrev:
> Hi Paul,
> Glad I didn't say no aircraft clocks use a 60Hz timebase!
 > I wonder if they used a commercial (non-aircraft) movement?
> The design seems to break the normal aircraft design premise that a single
> failure should not cause the loss of more than one duplicated system.

I can't think of a pilot not carrying his own redundant clock at his or 
her wrist. Also, the navigation computer has its own clock, which is the 
subsystem which depends most of time I would suspect, beyond what is 
needed for communication with the tower for movement coordinations.

Cheers,
Magnus



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