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Property and Equipment
 12 Months Ended
Dec. 31, 2016
Property, Plant and Equipment [Abstract]  
Property and Equipment
(4) PROPERTY AND EQUIPMENT

The following table summarizes the Company’s property and equipment at December 31 of the following years:

 

     2016      2015  
     (Thousands of dollars)  

Flight equipment

    $ 1,144,315      $ 1,096,986  

Facility & improvements

      61,187        61,330  

Operating equipment

      25,966        26,004  

Data processing equipment

      33,881        33,178  

Vehicles

      8,567        8,461  

Medical equipment

      7,963        7,514  

Other

      5,667        5,377  
  

 

 

     

 

 

  
     1,287,546        1,238,850  

Less accumulated depreciation and amortization

      (383,569 )       (355,321 ) 
  

 

 

     

 

 

  

Property and equipment, net

    $ 903,977      $ 883,529  
  

 

 

     

 

 

  

Depreciation expense related to property and equipment was $49.2 million in 2016, $46.7 million in 2015, and $43.7 million in 2014. These amounts are reported as Direct expenses and Selling, general, and administrative expenses in our Consolidated Statements of Operations included elsewhere herein.