One of the statements below contains a word used incorrectly. Choose the option which has the incorrect or inappropriate usage of the word.

The word 'ordinance' refers to an authoritative order. All of options A, B, and D have the correct usage of the term 'ordinance'. While option A refers to the authoritative order passed by the city council, option B refers to an order initiated by the royalty and option D refers to an order which involves parks passed by the city. 

Option C has the incorrect usage of the term ordinance, as military aircraft cannot be sensibly carrying varieties of executive orders. Therefore, it is likely the correct answer.