Marking and lighting towers and other tall objects that could be obstacles to air navigation is a critical element of aviation safety. Until recently, the Canadian Aviation Regulations contained few clear requirements regarding obstacles to air navigation. On December 31, 2011, new regulations came into effect that expand and clarify these requirements.
The new provisions were in the works for approximately 10 years and were largely driven by a working group composed of representatives from the government, aviation stake-holders, and non-aviation stakeholders (such as energy producers, like Manitoba Hydro) all seeking greater clarity and more concrete requirements under the Regulations.
The new provisions include:
- a clear definition of an “obstacle to air navigation”, which includes specific heights and distances from aerodromes;