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Note E - Property and Equipment (Tables)
6 Months Ended
Jun. 30, 2024
Notes Tables  
Property, Plant and Equipment [Table Text Block]
  

June 30,

  

December 31,

 
  

2024

  

2023

 

Flight equipment

 $4,073,319  $3,865,049 

Ground equipment

  70,799   72,463 

Leasehold improvements, facilities and office equipment

  44,141   42,120 

Aircraft modifications and projects in progress

  510,318   638,631 
   4,698,577   4,618,263 

Accumulated depreciation

  (1,879,500)  (1,797,494)

Property and equipment, net

 $2,819,077  $2,820,769