ABSTRACT
A general overview of unmanned aircrafts, or drones, are provided in this research report. It emphasizes the advantages and disadvantages of these aircrafts in terms of safety and risk factors, cost and efficiency, performance and capabilities, environmental impacts, and limited payload capacity. The employment of unmanned aircrafts in military operations and their potential for use in civil applications are examined in the paper. Information on unmanned aircraft is gleaned from books on aerospace engineering and scientific journals in the report. The benefits of unmanned aircrafts are examined in the first part, including their capacity to do activities that are risky or challenging for people. The negative aspects of unmanned aircrafts are covered in the second part. The argument in favour of unmanned aircraft being seen as an opportunity rather than a threat is presented in the conclusion.
Table of Contents
ABSTRACT
I. INTRODUCTION
II. ADVANTAGES OF UNMANNED AIRCRAFTS
2.1 Safety and risk factors
2.2 Cost and efficiency
2.3 Performance and capabilities
III. DISADVANTAGES OF UNMANNED AIRCRAFTS
3.1 Environmental impacts
3.2 Limited payload capacity
IV. CONCLUSION
REFERENCES
Aircrafts are defined in book which is Introduction to Aerospace Engineering as follows: In the broadest sense, the term “aircraft” refers to all types of vehicles that fly within our Earth’s sensible atmosphere. The Federal Aviation Administration (FAA), in its Federal Aviation Regulations [6] , defines an aircraft as “a device that is used or intended to be used for flight in the air.” (Corda, , p. 12). Aircrafts have been a fascinating subject for people throughout human history and for all countries around the world. This is because aircrafts have been used in many places, such as in wars, cargo transportation, and other activities. Today, aircrafts are divided into two categories which are manned aircrafts and unmanned aircrafts. But today, we will write a research report about unmanned aircrafts. Unmanned aircrafts, also known as drones, are controlled by a remote operator and do not require a pilot on board.
There are many types of unmanned aircrafts throughout history. However, the unmanned aircrafts built until the time of World War I were not fully unmanned aircrafts. Because According to John D. Anderson, Jr (), “In , the same year that Lilienthal was killed, Langley was successful in flying several small-scale unmanned aircrafts which he called aerodromes. These 14-ft-wingspan, steam-powered aerodromes were launched from the top of a small houseboat on the Potomac River, and flew for about a minute, close to 1-mile over the river. These were the first” (p. 12). Of course, over the years these aircrafts have been improved.
The purpose of this research report is to introduce the concepts about advantages and disadvantages of unmanned aircrafts. We will give a brief information about its safety and risk factors, cost and efficiency and performance and capabilities environmental impacts, and limited payload capacity. In addition, this text will consider about how unmanned aircrafts have 2 been used in military operations are changed by these technologies. It will also analyse about civil applications of these aircrafts.
In order to support the content of the report, the information from this text is provided through scientific journals and books about aerospace engineering to inform about unmanned aircrafts.
This text may not provide all pros and cons about unmanned aircraft. However, highlighted events will be given. Additionally, purpose in this paper is to give general information, not to give in depth analysis of every situation and system in an aircraft.
The report's first section explains the benefits of unmanned aircrafts. The drawbacks of unmanned aircrafts are thoroughly examined in the second section. Finally, there is a brief explanation in the conclusion section of why unmanned aircrafts should be viewed as an opportunity rather than a problem.
Due to their multiple benefits, unmanned aircrafts have attracted a lot of attention recently. The fact that they are capable of jobs that humans find unsafe or impossible is one of their most important advantages. In a variety of industries, including agricultural, surveillance, military and search and rescue operations, they can also save operational costs, boost efficiency, and give real-time data. Additionally, they don't require human assistance to operate in challenging conditions and may be quickly deployed. Unmanned aircrafts offer several benefits that appeal to a wide range of industries. In this section, we will discuss some of the key advantages of deploying unmanned aircrafts, including their performance and capabilities, cost and efficiency, and safety and risk factors. By examining these benefits, we can better understand why unmanned aircrafts have gained popularity in recent years.
Drones, also known as unmanned aircraft systems (UAS), are becoming more and more ubiquitous in a variety of industries due to their many benefits. They have several benefits, but one of the biggest is that they may make tasks safer and with less dangers. As noted by the U.S. Department of Transportation, "UAS operations offer several potential safety benefits over traditional manned aircraft operations. These benefits include reducing the exposure of flight crew and passengers to potential harm, increasing the margin of safety for flight operations, and reducing the risk of accidents associated with human error" (U.S. Department of Transportation, ). Additionally, UAS can operate in risky conditions that would be too risky for manned operations. Several industries, including oil and gas, power line inspection, and search and rescue missions, have used UAS to demonstrate these capabilities. The risks connected with manned flight operations can be reduced by using UAS, making UAS an appealing substitute 4 for jobs that are regarded to be too risky for people. In conclusion, UAS offer a variety of advantages to various businesses, with the capacity to increase safety and reduce risks being one of the most important. UAS can completely change how we approach high-risk activities as technology develops, ultimately resulting in safer and more effective operations.
Due to its potential for cost and efficiency advantages, unmanned aircraft systems (UAS), commonly known as drones, are becoming more and more popular in a variety of industries. According to Douglas M. Marshall and Richard K. Barnhart (), "UAS technology can significantly reduce operational costs in a wide variety of applications, from agriculture and infrastructure inspection to public safety and emergency response" (p. 11). UAS are more affordable than conventional methods since they can operate remotely, eliminating the need for expensive machinery and labour. UAS can also quickly cover wide regions, which increases efficiency. In agriculture, where UAS can survey crops and pinpoint problem areas more effectively than conventional ground methods, this capability has been proved. In conclusion, the advantages of UAS in terms of cost and efficiency make them an appealing choice for a variety of businesses. As Marshall and Barnhart () note, "the economic benefits of UAS technology are significant and will only continue to grow as more industries embrace this technology" (p. 11). UAS has the ability to transform how we approach certain tasks because of the potential for cost savings and enhanced efficiency.
In comparison to conventional manned aircrafts, unmanned aircraft systems (UAS), commonly referred to as drones, offer several performance and capability advantages. As noted by Kenneth Kuhn in his book Unmanned Aircraft Systems: UAS Operations and Deployment, 5 “UAS can perform tasks that may be too dangerous or difficult for manned aircrafts, such as flying in hazardous weather conditions or conducting close inspections of infrastructure.” (Kuhn, , p. 42). UAS may also fly at lower altitudes and slower speeds, enabling the collection and processing of more precise data. “Furthermore, UAS can be equipped with a variety of sensors and cameras, allowing for more precise and detailed data collection.” (Kuhn, , p. 66). Several industries, particularly agriculture, have used UAS to deliver highresolution imagery to monitor crop health and growth, showcasing these capabilities. UAS can also be employed for search and rescue missions because of their capacity to fly slowly and at low altitudes, which enhances the effectiveness of search efforts. In conclusion, UAS are a vital tool in a variety of industries due to their benefits in performance and capabilities. As noted by Kuhn, "UAS technology is rapidly evolving and will continue to expand in capabilities and performance as new applications are identified and new technologies are developed." (Kuhn, , p. 121). UAS have the ability to completely change the way we approach different activities and difficulties because to their special characteristics.
Numerous advantages provided by unmanned aircrafts make them appealing to a variety of sectors. Although unmanned aircrafts offer several advantages that appeal to a wide variety of industries, and they also have disadvantages. Although unmanned aircrafts have remarkable benefits, there is a big contradiction over flying these aircrafts because of its disadvantages. These drawbacks have a negative impact on present-day citizens as well as future generations. As a result, it is a crucial issue, and in the section that follows, the main drawbacks of unmanned aircrafts will be discussed. In this section, we will discuss some of the disadvantages of deploying unmanned aircrafts, including environmental impacts and limited payload capacity.
Unmanned aircrafts are no different from other technical products in that they have a detrimental effect on the environment. Noise pollution is one example of how unmanned aircrafts have an influence on the environment. During flight, unmanned aircrafts have the potential to make a lot of noise, which might disturb wildlife and alter their natural habitats. Animals living in the impacted areas may behave, communicate, and reproduce differently as a result of this. Another illustration is the risk for crashing or malfunctioning unmanned aircrafts to harm ecosystems and habitats. For example, if an unmanned aircraft crashes in a wilderness region that is under protection, it can harm delicate plant life or upset delicate animal populations. Additionally, if an unmanned aircraft malfunctions or the spray drifts outside the intended target, using unmanned aircraft for agricultural tasks like crop spraying could result in the unintentional contamination of soil or water sources. The manufacture and disposal of unmanned aircraft parts can potentially have an effect on the environment. Unmanned aircraft 7 may be made using potentially dangerous substances and chemicals, and disposing of old or broken unmanned aircraft can produce electronic trash that fills landfills and causes pollution.
Larger unmanned aerial vehicles are more difficult to handle and may become less manoeuvrable when controlled remotely. The drone must thus be as easy to handle as feasible. Because of this, the more helpful it will be, the heavier the useful load it will be able to carry. However, as we previously mentioned, the rise in the useful load capacity is accompanied by a number of issues. The inability of drones to deliver big or bulky objects is one illustration of their low payload capacity. This implies that they might not be able to take the position of conventional freight transportation techniques, like trucks or ships, in some sectors of the economy. Drones may not be appropriate for delivering massive quantities of building materials, like concrete or steel, for example. Another illustration is how drones' low cargo capacity may prevent their usage in some critical scenarios. For instance, if a drone is needed to transport medical supplies, its restricted payload capacity may prevent it from carrying enough equipment to treat numerous patients at once. In circumstances where time is of the importance and medical resources are limited, this might be a serious drawback. Unmanned aircrafts have several drawbacks, but one that might restrict their utility in some sectors and emergency circumstances is their limited cargo capacity. Though it's possible that as drone technology advances, the payload capacity of drones will rise, making them more adaptable and useful for a wider range of applications.
In summary, the purpose of this research report was to present general aviation ideas and offer information about unmanned aircrafts. Unmanned aircrafts will assist both the present and the next generations in more ways than they will do damage. This report shown us that evaluated the advantages and disadvantages of unmanned aircrafts. The research also examined the engineering of this aircraft as well as their use in both military and non-military contexts. Unmanned aircrafts, on the other hand, can fly without a pilot on board and are controlled remotely, although they are constrained in terms of cargo and range.
The report advises further investigation into unmanned aircraft's potential for use in both military and civilian applications. To increase these technologies' potential and get beyond their drawbacks, further research and development are crucial. Additionally, when designing and using these aircrafts, the aviation sector must put safety and security first. Ultimately, this study paper has given readers a general overview of unmanned aircrafts, as well as the uses for it. Thanks to the research and studies carried out, this research report will add to the ongoing debate about the advancement of aviation technology.
Corda, S. (). Introduction to aerospace engineering with a flight test perspective. Chichester, West Sussex, United Kingdom: John Wiley & Sons.
John D. Anderson, Jr (). Aircraft performance and design. Tata McGraw-Hill Companies, Inc. New York.
Kuhn, K. (). Unmanned aircraft systems: UAS operations and deployment. John Wiley & Sons.
Marshall, D. M. & Barnhart, R. K. (). Introduction to unmanned aircraft systems. CRC Press.
Moving medical supplies via drone was once a farfetched idea, but there are now multiple projects working to make it a reality. Kathy Oxtoby considers five case studies from the UK and the Netherlands to determine the benefits for clinicians, patients and healthcare systems, as well as the remaining challenges and future potential of drone transportation within the healthcare landscape.
With rising waiting lists, ongoing staff shortages and mounting pressure on hospital teams, it is increasingly vital that care is delivered faster and more efficiently to patients. Greener, more sustainable care is also a priority, with the drive to achieve a net zero NHS by .
One approach that has the benefits of both faster delivery and sustainability is the use of drones – also known as unmanned arial vehicles or UAVS. Drones are already transporting medicines to remote areas in such countries as Rwanda, the United States, Australia and India.
In recent years, the NHS has been trialling the use of drones for a variety of purposes, including delivering medical supplies of blood packs and chemotherapy, transporting lab specimens, and more.
For Professor Claire Anderson, Royal Pharmaceutical Society president, the Covid-19 pandemic and recent advancements in technology have made the drone transportation of medical supplies eminently possible, and the benefits are clear.
‘Drones offer timely access to medicines, especially in remote areas, and the pandemic highlighted their potential for safe, contactless delivery of essential supplies,’ she says.
‘It can reduce costs and travel time, improve access to healthcare for patients in rural or hard to reach areas, and free up staff time for direct patient care. Drones are also more environmentally sustainable, emitting less carbon dioxide than cars or trucks.’
For patients with chronic conditions, using drones to deliver critical medicines can ‘help reduce waiting times and ensure more consistent access to healthcare’ and ‘alleviate some of the pressures caused by long waiting lists’, she adds.
However, in their current form, there are some inevitable drawbacks. Drones can only carry light items – typically around two to four kilograms – which limits their use for transporting a wide range of items. Additionally, they have limited range and battery life, which affects the numbers of deliveries that can be made on one flight.
In addition, some medicines need to be stored in specific conditions, such as controlled temperatures and multilayer packaging, which must also be taken into consideration. ‘Regulations require these conditions to be met throughout transport to ensure the product is safe to use,’ says Professor Anderson.
As the need and momentum for the use of drones in healthcare builds, the list of projects assessing the benefits, challenges and future potential of drone transportation is growing.
So what projects are currently underway, and what insights are they giving into this innovative movement of medical supplies?
The weather and geography of Cornwall, southwest England, present unique challenges when it comes to the collection and delivery of pathology samples and time-critical medicines, particularly on the Isles of Scilly – 28 miles off the coast.
NEW WING Drone Winch contains other products and information you need, so please check it out.
Poor weather conditions mean flights to and from the islands can be grounded for two to three days, delaying transit of crucial items.
The Open Skies Cornwall project is a consortium of technology providers and end users. It includes exploring conceptual use cases involving the transport of pathology samples and blood products, point of care equipment and consumables, and Royal Cornwall Hospital Pharmacy service provision via drones.
‘We wanted to level up the provision of care and build a reliable and robust service for the island community,’ says Jo Walsh, pathology optimisation project lead at Royal Cornwall Hospitals NHS Trust.
Samples can be adversely affected by the time it takes to transport them, and often repeat testing is required as a result. ‘We’re looking to prevent any repeated testing and provide timely and accurate results for clinicians, that are not adversely affected by transport delays,’ says Ms Walsh.
‘We also want to enable patients to receive treatment at home, rather than having to travel to the main hospital – a journey that is especially problematic for those living off the mainland, as they have to travel by plane.’
As well as focusing on island healthcare connectivity, the Open Skies Cornwall project also involves working with Falmouth Harbour to integrate autonomous drone solutions and enable infrastructure for ship-to-shore delivery, remote healthcare, telemedicine and flying defibrillator applications to support residents and maritime visitors.
Lisa Vipond, pathology services manager at the Trust says that the team sees ‘this project as a complimentary element to our courier system, assisting their challenges.’
A key part of the project is looking at maintaining the validity of samples, and the impact of environmental factors, such as heat, cold, pressure and vibrations on samples transported by drone.
There are plans to do testing flights at the end of this year, but ‘we need to ensure the regulatory and legislative requirements are all in place ahead of this’, says Ms Vipond.
Ms Walsh believes many other areas of the NHS could benefit from drones, including emergency care.
‘Working in the NHS, patient care is at the centre of what you do,’ says Ms Walsh. ‘When you see a solution to gaps in service provision due to elements beyond your control – such as geographical and weather limitations – you want to push that solution forward.
‘We can’t just use this project as a “proof of concept”. We need to embed drone transport within our infrastructure long-term.’
Project CAELUS (Care & Equity – Healthcare Logistics UAS Scotland), aims to develop and trial the UK’s first national distribution network using drones to transport essential medicines, blood, organs and other medical supplies throughout Scotland to eliminate land transport issues.
Led by AGS Airports, it brings together 16 partners, including NHS Scotland and is funded by the UK Research and Innovation Future Flight Challenge and other partners. The consortium has developed a virtual model, or digital twin, of the proposed delivery network, which connects hospitals, pathology laboratories, distribution centres and GP surgeries across the country.
A number of live flight trials are taking place across the country as part of the project. For example, this August, laboratory specimens were flown between NHS Lothian and NHS Borders by drone.
In October, drone technology was used to connect the island community of Arran with the mainland. Further trials are planned in the NHS Highland and NHS Grampian areas of Scotland later in the year.
And the Scottish Ambulance Service has also researched whether a drone could transport defibrillators to the location of a cardiac arrest faster than an ambulance.
Dr Jamie Hogg, clinical lead for Project CALEUS for the north of Scotland and a retired GP, says the team hopes that the use of drones to transport medicines, blood samples and equipment will enable patients living in more rural areas to be ‘treated closer to home and more quickly’.
Requesting quick deliveries of medicines for patients via a drone network would have significant benefit, he says, however, a change in regulations to allow the move from the currently segregated to integrated airspace will be key.
The project ends in December, and then there will be ‘a period of reflection to take in everything that’s been done and decide on next steps’, Dr Hogg explains.
Blood packs have been successfully flown by drone in a series of ‘beyond visual line of sight’ flights, for the first time in the UK.
In a research study to check the viability of flying blood via drone, run jointly by NHS Blood and Transplant (NHSBT) and the medical logistics company Apian, 10 units of packed blood cells were transported on a 68km journey across Northumbria’s skies, while an identical 10 packs were transported concurrently by road.
After assessment, results showed both sets remained viable, with no significant difference in the biochemical or haematological profiles of the blood, which determine if it has maintained quality and can be used for clinical purposes.
‘We’re proud to drive innovation that could improve patient outcomes, and this trial could do exactly that,’ says Mike Wiltshire, component development laboratory manager at NHS Blood and Transplant.
‘Drone travel would be especially useful in transporting items – whether blood packs, blood samples or other – to more remote locations, or via routes that normally suffer from traffic congestion, meaning the products are available for patients faster than they would be by road and ensuring patients are treated as quickly as possible.’
If drones are able to deliver blood products faster, then ‘more patients will be able to be treated or receive results the same day’ than at present, which ‘may reduce patients having to return to the hospital at a different time, should the medicine or test results not be available same day’, Mr Wiltshire adds.
The UK has clear guidelines on the transport of blood components and maintenance of product temperature. ‘We needed to source a suitably sized and specified transport container, along with cool packs, to ensure the temperature of the blood was maintained as required,’ explains Mr Wiltshire.
The number of items and weight that can be transported at any one time is limited by the drone load capacity. Drone operators are therefore exploring different types of drone to determine the best one for the transportation of blood, which may in turn be dependent on the specific requirements of the transport route.
The flying of drones like those used in this study is currently ‘very tightly regulated’ meaning that drones cannot simply fly directly between any given two points – permission must be granted, which may not be guaranteed, depending on the locations in question. ‘Drone operators are looking to overcome this significant challenge for the use of drones for this and many other uses,’ he says.
NHSBT is currently in discussions around a similar trial for platelets, to understand how platelets for transfusion will react to drone transportation and whether their use will be viable in the NHS for this purpose.
The Welsh Blood Service (WBS) is interested in exploring what role drones might play in enabling efficient, sustainable transport of blood products between north and south Wales as well as faster, on-demand delivery of blood products and other medical supplies in rural Wales.
The organisations involved in the Welsh Health Drone Innovation Partnership are the WBS – part of Velindre University NHS Trust –the Welsh Ambulance Service University NHS Trust, Snowdonia Aerospace Centre and the technology company Slink-Tech.
Currently, the partnership is undertaking a foundation study for drone-based blood delivery service between WBS stock holding units at Talbot Green in the south and Wrexham in the north to establish its potential for supporting the Welsh NHS, including specific use cases for the WBS, and to test the basic premise with the Civil Aviation Authority.
‘Drone-based infrastructure has the benefit of not being tied to pre-existing infrastructure on land, which due to geographical constraints has often unintentionally left rural communities underserved,’ says a spokesperson for Velindre University NHS Trust.
‘Drone technology provides the opportunity to tackle inequalities by improving accessibility to communities and regions which may be left behind by traditional logistic infrastructure.’
The primary challenge is to establish ‘a robust business case for early deployment of drone technology to improve the quality and resilience of health and care services in Wales’, the spokesperson adds.
Alan Prosser, the director of the WBS, says: ‘Technology is advancing at pace in this area, and we acknowledge that drone capability still needs to mature in terms of carrying capacity and battery payload before this becomes a viable option for our service.’
The UK isn’t the only country trialling the use of drones to transport medical supplies. In the Netherlands, researchers have investigated the impact of medical drone transport on the stability of monoclonal antibodies (mAbs).
The study findings revealed ‘no significant differences between car and drone transport’, indicating that the stability of mAbs in both vials and infusion bags was adequately maintained during transportation regardless of the mode.
As such, medical drones are ‘a viable and reliable means for the inter-hospital transport of mAbs, paving the way for more efficient and predictable logistics in healthcare delivery’, the authors say.
In fact, the researchers concluded that the integration of drone technology into healthcare logistics ‘has the potential to significantly enhance’ the crucial transport of this treatment type.
With so many ongoing trials and success stories demonstrating the benefits of drone technology in healthcare, the future looks bright, and Professor Anderson says it really does have ‘the potential to ‘revolutionise the way we deliver medical supplies, especially in remote or hard-to-reach areas’.
She is keen to point out, however, that ‘as with any transport around medicines, safety and security must remain a priority’.
The use of drones will ‘undoubtedly increase over the next five to 10 years, for a variety of applications,’ according to Mr Wiltshire. ‘However, there are challenges to overcome – such as restrictions on airspace – before this use is widespread’.
In the meantime, Dr Hogg is encouraging healthcare professionals to ‘think about what they could do if they had drones available to them’ to support patients in accessing vital medical supplies.
‘We are getting to the point where drone transport for medical products could become a reality,’ he says. ‘In three- or four-years’ time, we could be saying to a [resident] doctor: “Can you “drone” this down to Aberdeen?”, and the answer will be: “Yes, sure.”’
For more information, please visit UAV Payload Accessories Supplier.