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Lamma Preview 2017: The need to know on drones

If a drone is on your 2017 shopping list, then a visit to Lamma could help with your research. Geoff Ashcroft reports.

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The meteoric rise in the use of drones has spawned the birth of many new businesses offering services, training, advice and equipment.

As applications for drones continue to evolve, an increasing number of farmers are looking at how they can be a useful tool for their businesses.

It could be field mapping, weed scanning, head-counting for wandering livestock or just capturing the moment at harvest.


But there are a few key areas to consider before parting with your hard-earned cash.

Useful Information

Legislation is tightening up, and drone operators need to be aware of the rules and regulations which cover the use of such kit, while also being aware of airspace too.

Matt Williams of Oxfordshire-based training provider Aerial Motion Pictures, is an ex-military helicopter pilot and offers a wide range of experience and advice for those thinking of using a drone.

“There are a lot of operators out there who have absolutely no idea of the rules of the air and the risks they take when they launch a drone,” he says. “Ignorance is no defence, given the amount of information out there which can help you and those round you to stay safe and work within the law when using a drone.”

Mr Williams warns all operators should undergo training to get a greater understanding of the risks involved in carrying out drone flights. He says it gives novices an appreciation of airspace restrictions round them, flight regulations and the safety of others.

Staying legal/safe

The best place to start is the Civil Aviation Authority (CAA) website. Here, you will find a list of national qualified entities which are CAA-approved for training purposes.

Mr Williams says: “There have also been subtle changes to the Air Navigation Order and the CAA’s permissions system this year. The Permission for Aerial Work [PfAW] has been replaced by Permission for Commercial Operation [PfCO] and it now clearly defines how using a drone for any level of commercial gain requires a PfCO.”

It could easily be argued using one for any aspect of business on the farm constitutes a commercial gain.

The principle of operation requires the pilot to maintain a visual line of sight (VLOS) at all times. And according to the CAA, this means a maximum vertical height of 122 metres (400ft) and maximum distance of 500m (1,640ft) horizontally.

“Beyond VLOS, you must have a detect and avoid system on your aircraft. But the onus remains on the person flying the aircraft to be reasonably satisfied the flight can be safely made.”

“Depth of perception can be hard to maintain as the drone gets further away from you. Even 300m could quite easily be 500m.”

Spraying applications

Those with the necessary permissions can take advantage of drone technology. For others, it could be more prudent to buy-in drone services. This is the thought process behind start-up business Crop Angel.

The firm took the wraps off a large-scale spraying drone at last year’s Lamma show and it says it is well on its way to making aerial drone spraying a commercial reality (visit Hall 7, stand 728).

Run by Norfolk agronomist Matthew Kealey and grower Chris Eglington, they see a useful role for drones carrying out precision spot spraying.

Mr Eglington says: “I have been flying round my farm for several years now and a drone offers a fast and efficient way to monitor crop growth and to look for incidence of pests and diseases.

“Aerial spraying drones have great potential for hitting pockets of weeds, which could be for bracken control on mountainous terrain, spraying tree canopies, soft fruits and or on golf courses.”

Current regulations forbid anything to be dropped from a drone, though the firm is working closely with the CAA and other regulatory bodies to develop permissions and approvals for remotely piloted, low volume aerial spraying.

“There is a lot of work still to be done and some of the challenges include maintaining an even height above the crop canopy and getting close enough to the crop,” he says.

Making more of images

Agrovista is also located in hall 7, on stand 769, and has been looking at the feasibility of making farmers’ drones work harder for them.

By taking farmer-supplied images, Agrovista is now able to process images through its own Axis MapIT Pro software system and deliver useful data back to farmers, for variable rate inputs or patch spraying.

Lewis McKerrow, Agrovista head of precision technology, says: “We wanted to see if this information could be used to deliver practical advice to growers who want to use their own equipment to capture data when it suits them.

“One of the major steps forward recently has been the release of easy-to-use flight planner apps for tablets and smartphones, making it much easier for relatively unskilled operators to carry out these flights,” he says.

“Once the boundary has been set, the quadcopter flies a planned route, capturing high-resolution images autonomously, even taking off and landing without any operator input.”

Agrovista is now ready to take captured UAV pictures and data, process them and give them back as a shape files, ready for sprays or to overlap with soil maps to use in variable rate seed and nutrition plans.

Future developments will see yield prediction models coming into the software to allow a yield forecast to be made a few months before harvest.

Lamma 2017: When and where

Lamma 2017: When and where
  • When: January 18 and 19. 2017
  • Where: East of England Showground, Peterborough, PE2 6XE
  • Opening times: 7.30am - 5pm day one, 7.30am - 4.30pm day two
  • Parking and entry: Free
  • Early bird breakfast: 6.30am - 8am both days
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