The Civil Aviation (Canadian Navigation Services) Regulations 1994

Detention and sale of aircraft for unpaid charges

6.  Where default is made in the payment of charges incurred in respect of any aircraft under these Regulations, the CAA or an authorised person may, subject to the provisions of this and the following regulations take such steps as are necessary to detain, pending payment, either:

(a) the aircraft in respect of which the charges were incurred (whether or not they were incurred by the person who is the operator of the aircraft at the time when the detention begins); or

(b) any other aircraft of which the person in default is the operator at the time when the detention begins;

and if the charges are not paid within 56 days of the date when the detention begins, the CAA may sell the aircraft in order to satisfy the charges.