
    (No. 6533
    Aero Ambulance Service, Inc., Claimant, vs. State of Illinois, Department of Mental Health, Respondent.
    
      Opinion filed June 13, 1972.
    
    Aero Ambulance Service, Inc., Claimant, pro se.
    William J. Scott, Attorney General; Saul R. Wexler, Assistant Attorney General, for Respondent.
   Perlin, C.J.  