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Cash and cash equivalents:
12 Months Ended
Dec. 31, 2021
Cash and cash equivalents:  
Cash and cash equivalents:

Note 5 - Cash and cash equivalents:

December 31, 

    

2020

    

2021

Cash and cash held at banks

 

Ps.

3,514,293

 

Ps.

$

6,589,294

Short term investments

 

1,678,335

 

2,180,768

Total cash and cash equivalents

 

Ps.

5,192,628

 

Ps.

8,770,062

5.1) Restricted cash and cash equivalents

As of December 31, 2020 and 2021, cash and cash equivalents include the amounts collected as of December 31, 2020 and 2021 by Aerostar for the concept of “Passenger Facility Charge” (PFC) which are restricted to be used to fund investment projects in airport infrastructure previously authorized by the FAA of Ps.5,055 and Ps.123,081, respectively.  (See Notes 15.e and 17.6.)