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What is a drone?

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a white drone in flight across a city at dusk
The Civil Aviation Safety Authority’s official term to refer to a drone or unmanned aerial vehicle (UAV) is RPA (Remotely Piloted Aircraft).
A Remotely Piloted Aircraft (RPA) is a type of aircraft which has no onboard crew or passengers. A RPA is capable of controlled, sustained level flight and is powered by a jet, reciprocating, or electric engine.
Crucially the RPA ‘s main function is to be the carrier of a payload. Payloads can vary substantially from a manufacturer integrated camera for photography or videography through to highly specialised payloads such as LIDAR or Gas Sampling. There are many different payloads used for many different missions. It is the ability to rapidly and accurately position the drone and payload in the best location to capture the relevant data that gives benefits in efficiency and safety.

Types of Drones

At the Institute when we talk about drones we mean more than just flying drones. There are on-ground, on-water and under-water drones as well. However, in this course, we are learning about flying drones.

There are three common types of drones. They are:

Multirotor: This type of drone has a number of propellers on it, usually between four and eight. This is the most common type of drone. The image below shows three different types of multirotor drones.
multirotor drones
Fixed Wing: As the name suggests, this is like a small aeroplane. The example below is an Aerosonde drone which is best utilised for covering larger areas for agriculture or surveying due to longer flight times
aerosonde drone
Powered-lift: This type of drone uses propellers to take off and to manoeuvre at a hover, but is also a fixed wing drone in flight. The example below is the Volanti from Carbonix. It has the benefits of only requiring a small launch and recovery area yet still supports the longer flight times of a fixed wing.
Volanti Carbonix drone

Why use drones?

Most organisations embrace drone use for the three following reasons; Safety, Efficiency and Innovation.

Safety

Drones can go places that are dangerous for people. Probably the most common use of drones is an inspection at heights. Any work at heights requires the use of Elevated Work Platforms or the appropriate scaffolding, safety harness and barriers. By utilising a drone the inspection can be done with out any person having to work at heights. This removes the cost of equipment or scaffolding and the time in setting it up. In addition to the common practice of using drones to inspect assets that are otherwise unreachable there are also drones that can be used for confined space inspections, and that can operate on or under the water, removing the need to put people at risk.

Efficiency

Drones can be positioned quickly, accurately and repeatedly, because of this they collect data more efficiently and accurately than some traditional methods.

Innovation

Drones can collect a lot of data very quickly. This data can be used by organisations to make better decisions, with a higher degree of accuracy in a shorter time period.

Let’s Discuss

Can you think of a different use or application for each of the three types of RPAs? Share in the comments below and compare your thoughts to what other learners have come up with.
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Drone Safety for Managers (Australia)

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