A-3.001, r. 8 - Regulation respecting travel and living expenses
19. Expenses incurred in transporting a worker by air are reimbursable in one of the following circumstances:
(1) there is no other means of transport;
(2) the use of another means of transport would be inedequate or dangerous for the worker because of his physical condition and the length of the journey or poor road conditions; or
(3) using transportion by air is more economical, taking into account all the indemnities to which the worker would be entitled if that means of transport was not used.
Decision 93-06-07, s. 19.