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Old 29th May 2006, 14:22
  #6 (permalink)  
Bertie Thruster
 
Join Date: Jan 2000
Location: UK
Age: 72
Posts: 1,115
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Vertolot. On standby 10hr/day, 365.

(Remember; 13x28 day 'months' in year! So 12x180=2160 hrs/year)

Regards, BT
Bertie Thruster is offline