Lesson Notes By Weeks and Term v4 - SHS 1

Lesson Video

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Performance objectives

• Explain the basic components of avionics systems.
• Describe how birds navigate in flocks and relate this to avionics.
• Identify principles of navigation in nature and technology.
• Compare bird navigation with aircraft avionics systems.

Lesson summary

This lesson explores the fascinating field of avionics by drawing a direct comparison to the incredible navigation abilities we see in nature all around us in Ghana. Have you ever wondered how a huge KLM or Emirates aircraft finds its way from Kotoka International Airport in Accra to a specific airport thousands of kilometres away without getting lost? The answer lies in avionics. Similarly, have you ever watched a flock of weaver birds fly together in perfect formation or seen fruit bats dart through the night sky without colliding? They are using their own natural "avionics" systems.

Lesson notes

This section breaks down the core ideas you need to understand. We will start with the technology (avionics) and then connect it to the natural world. Concept 1: What is Avionics?

The word Avionics is a combination of two words: AVIation and electrONICS. Definition: Avionics refers to all the electronic systems used on aircraft, artificial satellites, and spacecraft. These systems perform various functions to ensure the safe and efficient operation of the aircraft.

Think of avionics as the "brain and nervous system" of the aircraft. The main functions of avionics can be grouped into four categories: Navigation: Determining the aircraft's position and guiding it along a planned route. (e.g., GPS, Compass). *This is our main focus today.* Communication: Allowing the pilots to talk to air traffic controllers on the ground and to other aircraft. (e.g., Radio systems). Flight Control: Assisting the pilot in flying the aircraft, including autopilot systems that can fly the plane automatically. Monitoring & Display: Showing the pilots vital information about the aircraft (like speed, altitude, engine health) on screens in the cockpit. Concept 2: Biomimicry - Learning from Nature

Engineers often look to nature to solve complex problems. This approach is called biomimicry (from *bio*, meaning life, and *mimesis*, meaning to imitate). The navigation systems in animals are a perfect example of nature's brilliant engineering. Concept 3: Natural Navigation vs. Avionic Systems

Evaluation guide

• Explain avionics systems in relation to the flight of a flock of birds for navigation .
• Talk for Learning: Use audio -visuals to explain the principles of navigation behind the flight of a
• flock of birds (e.g., bats in the evening/morning) and a swarm of bees. Learners watch/observe and
• conceptual