Check variable for None value before null string when filtering tail numbers
Check variable for None value before null string when filtering tail numbers
rjurney/Agile_Data_Code_2,naoyak/Agile_Data_Code_2,rjurney/Agile_Data_Code_2,naoyak/Agile_Data_Code_2,rjurney/Agile_Data_Code_2,naoyak/Agile_Data_Code_2,naoyak/Agile_Data_Code_2,rjurney/Agile_Data_Code_2