Aircanada has the rule for stroller: R' M6 y* S9 X
* o6 ?0 o {/ l7 F) _Items which fall within the carry-on allowance include: , }" i; [& F( N8 ]& z9 Z% D# b0 S9 k" H/ \' Q- h6 h, R* R5 Z- L$ ^3 H Strollers (collapsed diameter not to exceed 30.5 cm (10 in) and length not to exceed 92 cm (36 in).