no vital points were hit. Some damage was caused to industrial 
      property in Hull.
 
      
 
 
13. Aircraft casualties in operations over and from the British 
      Isles.
 
      German %:
 
      Destroyed by day 3, by night 13, on March 12th; probably destroyed; 
      day 2, night nil, March 12th damaged day l, night 5 March 12th.
 
      British.
 
      7 bombers, 2 fighters (1 pilot safe)