Canadian Aviation Regulations

602.12 (1) For the purposes of this section and sections 602.14 and 602.15, an aircraft shall be deemed to be operated over a built-up area or over an open-air assembly of persons if the built-up area or open-air assembly of persons is within a horizontal distance of

• (a) 500 feet from a helicopter or balloon; or

• (b) 2,000 feet from an aircraft other than a helicopter or balloon.

(2) Except at an airport or military aerodrome, no person shall conduct a take-off, approach or landing in an aircraft over a built-up area or over an open-air assembly of persons, in a manner that is likely to create a hazard to persons or property.

(3) Except at an airport or military aerodrome, no person shall conduct a take-off, approach or landing in an aircraft over a built-up area or over an open-air assembly of persons unless that aircraft will be operated at an altitude from which, in the event of an engine failure or any other emergency necessitating an immediate landing, the aircraft can land without creating a hazard to persons or property.