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<blockquote data-quote="Tom Croley" data-source="post: 21384" data-attributes="member: 3843"><p>Obviously, having a flyaway drone is a painful experience. Most often it is pilot error of some kind. Sometimes it is an actual problem with the drone and DJI seems pretty good at looking at the cases and replacing defective drones. I was amazed to read stories where they replaced a drone.</p><p></p><p>After my flyaway experience, I started reading other stories and found a lot of them. Mine ended happily with the drone landing safely about 100 feet away. The cause.... I was flying with a heavy fog cover that started about 125 feet up. When my grandson pressed the RTH button, the Spark rose to 100 feet and then just kept going into the fog until it reached max altitude, then it would not come down until the battery was low. It was confused by the fog.</p><p></p><p>If you are worried about your Sparkie flying off, just go to Google and put in the name of any other drone and add the word "flyaway." You will find that they all fly away sometimes. The Parrot Bebop II is particularly bad. So the problem is not unique to the Spark by any means.</p><p></p><p>Consumer technology is not perfect. It is a blend of price vs performance. You cannot expect the GPS receiver in your $600 drone to be as good as the GPS receiver in a F-18 Hornet. GPS Sats only transmit at 25.6 watts of power and they are about 11,000 miles away. The quality of the reception varies a lot by your location, buildings, clouds, trees etc. If you are using a good hand held GPS, you can watch the bar indicators change as you move around. Then there is compass interference, wifi interference, etc. etc. </p><p></p><p>I think the best thing we can do is make sure you do a good pre-flight check. Pay attention to GPS lock and wifi interference, calibrate the compass when needed, then keep a sharp eye on your battery level during flight. In addition, practice flying the drone in sport mode to increase your skill at manually controlling the drone rather than just depending on the technology.</p></blockquote><p></p>
[QUOTE="Tom Croley, post: 21384, member: 3843"] Obviously, having a flyaway drone is a painful experience. Most often it is pilot error of some kind. Sometimes it is an actual problem with the drone and DJI seems pretty good at looking at the cases and replacing defective drones. I was amazed to read stories where they replaced a drone. After my flyaway experience, I started reading other stories and found a lot of them. Mine ended happily with the drone landing safely about 100 feet away. The cause.... I was flying with a heavy fog cover that started about 125 feet up. When my grandson pressed the RTH button, the Spark rose to 100 feet and then just kept going into the fog until it reached max altitude, then it would not come down until the battery was low. It was confused by the fog. If you are worried about your Sparkie flying off, just go to Google and put in the name of any other drone and add the word "flyaway." You will find that they all fly away sometimes. The Parrot Bebop II is particularly bad. So the problem is not unique to the Spark by any means. Consumer technology is not perfect. It is a blend of price vs performance. You cannot expect the GPS receiver in your $600 drone to be as good as the GPS receiver in a F-18 Hornet. GPS Sats only transmit at 25.6 watts of power and they are about 11,000 miles away. The quality of the reception varies a lot by your location, buildings, clouds, trees etc. If you are using a good hand held GPS, you can watch the bar indicators change as you move around. Then there is compass interference, wifi interference, etc. etc. I think the best thing we can do is make sure you do a good pre-flight check. Pay attention to GPS lock and wifi interference, calibrate the compass when needed, then keep a sharp eye on your battery level during flight. In addition, practice flying the drone in sport mode to increase your skill at manually controlling the drone rather than just depending on the technology. [/QUOTE]
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