Flying drones in Mountains, height, altitude, elevation & flt level // #MAIL-62

Flying drones in Mountains, height, altitude, elevation & flt level // #MAIL-62

Wednesdays here, sun isn’t.. But a great drone question for this weeks #mail. Flying in mountains when 400ft isnt 400ft etc.
Big 👍 Tom Bone for the question:

As always fly safe people..SYOTSS ☀️
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43 Comments

  1. Mac Drone BR on December 11, 2021 at 11:29 am

    Very nice!! I usually don´t rely in RTH unless I loose the video feed. That time my mistake was the aircraft was beyond line of sight. I think a good practice is allways bring your drone back without using RTH and without looking in the phone screen. Any of you use strobe lights because the air gets so tinny 300m away?

  2. peter hughes on December 11, 2021 at 11:31 am

    Hi Dylan. Thanks for the video and advise. Good point re RTH and not relying on it as a matter of course. It’s something I try to avoid. Take care. Peter

  3. Marc Harvey on December 11, 2021 at 11:32 am

    400 feet height from ME. If I’m 1000feet above sea level then the maximum height is 1400 abovesea level. simple me plus 400 feet

  4. Bahir Keldany on December 11, 2021 at 11:33 am

    I flew yesterday my magic air from the top of a dam. Then I wanted to fly over the lake below and I read my altitude and I was minus 120 meters. Thanks God I saved my drone by bring it home manually . So my question is: how do I know at which height I was from the water.

  5. Jim Williams on December 11, 2021 at 11:34 am

    Dylan, I’m surprised you didn’t show footage from "The Mach Loop" in north Wales! 😀 You have the chance to fly there, don’t you? 🙂

  6. Jari Ekstrom on December 11, 2021 at 11:34 am

    Hi, as far as I’m aware your maximum flight height is your launch height + maximum flight hight in your country eg. 120m (400ft)

  7. worldadventureman on December 11, 2021 at 11:34 am

    What happens if you do all the buttons up on your shirt?

  8. Dennis Lovelady on December 11, 2021 at 11:35 am

    The US rule about 400 feet AGL defines ground level to include the area within 400 feet of towers, buildings, etc cetera (and, interestingly, NOT the area around tall trees). This is for everyone, not just for part 107 certificate holders. (IOW there is one definition only, and it applies to all.) By extension, then, Ground Level at any position is, by definition, the height of the tallest thing (not trees) within 400 feet of that position. I think the poster was concerned that it wouldn’t be legal to fly at all on a mountain, since one view of that height would mean you’re already standing above the limit. Revisiting the definition, clearly that is not a concern.

    I’m thinking of going to Tibet, with some of the tallest peaks in the world, on my next Asian trip. I wonder if the air is dense enough there to properly support a prosumer quadcopter like the Mavic series. Should make for some phenomenal footage!

  9. Rk Ram on December 11, 2021 at 11:36 am

    ‘Healthy Bubble’ would’ve been an interesting title 😉

  10. Tom Bone on December 11, 2021 at 11:38 am

    Referring to your comment about visiting Arizona, if you find yourself here in The Valley at some point in the future, we do have a guest room available should you need it. Just sayin’ #MAIL Tom Bone

  11. GraphicMouse27 on December 11, 2021 at 11:39 am

    I must say that the height that you are above sea level when flying a drone often makes me wonder whether the 400ft level diminishes, the higher you are. Interesting point about the return to home function which I must admit I am always nervous about using. Great info though. Thanks.

  12. Alex Khanna on December 11, 2021 at 11:40 am

    I think as far as mountains are concerned, I fly no higher than 400 ft above the tallest mountain in the area as manned aircraft isn’t going to be flying that low. For radio towers and cranes etc. in the UK I don’t like to fly above 400ft above ground level as they’re very thin and living in the UK there aren’t specific laws by the CAA (I think) about this; possibly something that will be addressed in the 2018 drone bill.

  13. PHANTOM on December 11, 2021 at 11:41 am

    How do you set it up to update the real flight altitude? Because it doesn’t update the real time flight altitude, when flying over the mountains. Whatever altitude you start with, that’s the altitude shows on the altitude status screen. If it’s 100 meter high, then you fly over a 100 meter high mountain the altitude still shows 100 meter. It doesn’t update to the actual altitude over the mountain. For example, if you take off with 120 meter altitude and flying over the mountain that is 100 meter high, then the altitude should change to 20 meter so that way you know how high or low you are flying over the mountain and you don’t rely on the camera alone and crash it into the mountain. Any clues?

    With all those sensors on board still no real time flight altitude updates?

  14. worldadventureman on December 11, 2021 at 11:41 am

    I wish you had talked more about the RTH. Yes don’t rely on it, but our drones often have minds of their own and decide to RTH, whether that is because of low battery or loss of signal, or whatever, and with the Spark it has it’s own problems in that the RTH changes depending on how far away from its home point it is. SO what is the best setting for RTH to use when flying off mountains?

  15. Bill14886 on December 11, 2021 at 11:47 am

    Dylan:I fly on top of a mountain, with a Unpaved airport locally with in 5 miles. What sucks is our mavic Pros doesn’t tell us how much height we have gained flying down a hill but holding our altitude. I may be only 60′ up in my back yard but with in L O.S I can easy be hundreds of feet from the ground , way over tree tops less then a mile down the hill. I wish it would give us a actual height reading as the groubd slopes down .

  16. *HellRay* on December 11, 2021 at 11:47 am

    Flying your drone in a mountainous area sounds like a dream.

  17. thewuf on December 11, 2021 at 11:49 am

    As always…great advice!

  18. SC Aerials - Steve Carpenter on December 11, 2021 at 11:50 am

    Dylan, as usual, you’ve explained a question that sometime leads to an unknown. Thank You and Cheers!

  19. Gaston G. Loperena on December 11, 2021 at 11:51 am

    Another great video full of useful tips!!!! Many, many thanks!!! Cheers from Argentina, Dylan!

  20. Kingston Eldridge on December 11, 2021 at 11:52 am

    Why doesn’t the map in the app contain elevation data like Google maps does? The app shows me the drones location on that map and the drone knows it’s current height above takeoff so all the app has to do is send the map location height under the drone’s location to the drone and it’s current height AGL is therefore (terrain elevation at current location – takeoff elevation + height difference from launch). Simple. Why isn’t it done?

  21. Exploring With Eden Valley Drones on December 11, 2021 at 11:52 am

    Thanks for the very useful information.

  22. STEVEZISSOU2007 on December 11, 2021 at 11:53 am

    It’s a tricky one if I’m top of a mountain which is 1000ft high I can fly up to my 400 feet limit knowing a plane will 500 feet above my take off point…..hopefully!? but if I then fly horizontally out so mountain falls away my drone could potentially be, for arguments sake 900 feet above the ground which would be in manned aircraft airspace! So you would have to drop down! Works different from the bottom of the mountain because I thought it would go up as the mountain side went up but it doesn’t it stops at 400 ft then you fly into the side of a mountain it’s 400 feet from point of take off. I know I’m stating the obvious but it was something I recently experienced and didn’t fully comprehend how the mechanics of flying from an elevated position worked.

  23. Patrick Murphy on December 11, 2021 at 11:53 am

    Great video…this has become my favorite YouTube Channel. I got a lot out of this one…never thought of planes flying below me before until I saw the shot of the airplane In this video.

  24. Leo on December 11, 2021 at 11:57 am

    Hi Dylan!
    So I am trying to get the most out of my DJI spark footage and am still practising. I was just wondering whether you know how to colour grade/enhance footage to make more colour stand out. I currently use iMovie (not a great editor I know) and am looking for a new editor. Any help would be greatly appreciated 😀
    #Mail

  25. marcel-nine-one-one on December 11, 2021 at 11:58 am

    If I was flying a light aircraft I think I would keep 500ft above any hill or structure. If you flew your UAV 400ft above a hill, you’re not likely to meet a pilot skimming the top and waving his fist at you. I thought all this 400ft nonsense was for aircraft over 7.5kg. For anything under that weight it’s just a recommendation. I’m sure it was ikopta himself that showed that in the official rules.

  26. Free Man on December 11, 2021 at 11:58 am

    So my question is this. I launch from the top of a 30 story High Rise building. I have set my RTH at 30 ft. I fly out and drop my altitude down to about 100 feet from the ground below or -200 ft. below the top of the High Rise. So in essence, my drone is now about 100 feet from the ground at a distance of about half a mile away. I hit RTH. Will my drown climb back up 230 feet to the GPS saved homepoint or will it come straight back at 100 feet up raise only 30 feet right before hitting the building. I haven’t tested this yet but I believe a GPS saved home point consists of Height + Latitude + Longitude. I am hoping it rises to the original position in time and space. Any comments?

  27. darren vaughan on December 11, 2021 at 12:03 pm

    pressure on a flat earth is density levels

  28. DRONER MX on December 11, 2021 at 12:04 pm

    Great tip Dylan, Thanks.

  29. Youtube Deleted Comment on December 11, 2021 at 12:07 pm

    I lived in Arizona for 15 years. You don’t want to go there, but if you must go in the winter. It’s 99F (37.2C) right now at 10 pm.

  30. MarcosElMalo2 on December 11, 2021 at 12:07 pm

    Thanks for the terminology lesson. Now if only everyone would use it.

    I live over 6000 feet *elevation*, and I’m having a hell of a time finding videos of people operating these consumer UAVs from a high elevation starting point. This was the first video I’ve found that wasn’t “X-TREEEEM ALTITUDE TEST, DUDEBRO!!”

    (I just want to tell them, “Dude, relax. If it’s high altitude, it’s a low pressure situation.”)

    Anyway, thanks for the informative video! Cheers!

  31. Mallah Dharmendra on December 11, 2021 at 12:07 pm

    Dear sir ,
    I want to fly a quadcopter of 1.5kg (including payload) at around 4.5 km altitude with 25 min endurance . The air density is around 0.7 kg/m3 . so is it possible to achieve this?? if yes then please guide the following steps to follow .

  32. Phil M on December 11, 2021 at 12:08 pm

    Since I haven’t done it yet. You take off from a cliff and you are 10 feet above the controller and you fly over the cliff edge that is say 900 feet high. What is my Mavic mini going to show on the DJI Fly app?

  33. Hannah Wootton 22 on December 11, 2021 at 12:09 pm

    1st.

  34. Kardoso Media on December 11, 2021 at 12:12 pm

    Another good one Dylan!

  35. Pura Vida dew on December 11, 2021 at 12:14 pm

    For me, I live in northern BC and I go out to the mountains and set my altitude at 500 m. All the mountains are another thousand metres or more above that. And I fly up the ravines and waterfalls so there’s no one else flying in these areas. For my purposes I wish the drone could fly another thousand metres higher so that I could get closer to the tops of these mountains.

  36. SONIC TONIC on December 11, 2021 at 12:14 pm

    Hi Dylan, quick question, should you hand catch the mavic pro? I’ve only done it once and the pull as you try to shut down was scary. #mail

  37. Kevin Howe on December 11, 2021 at 12:16 pm

    I so wanted to attach a video of a Chinook over my place, I’m certain he was less than 500ft, I could almost see the colour of his eyes. However this is for comments not video clips. How does that work. We get them fly over a lot from RAF Odiham. Keeping my wits about me when flying, if I hear one I pull my Phantom DOWN REALlow just in case. Thanks for #wednesday.

  38. Foodi Corner on December 11, 2021 at 12:17 pm

    Regardless of legal height (400ft.) or return to home height, will the Mavic Mini fly at a negative altitude off of a hill? Say it takes off from a 300 ft. hill (it reads that as 0 ft.) and I want to dip it down to 100 ft (or -200 ft). Will it auto-land or will it fly at a negative altitude reading?

  39. Wildlife Safaris Johannesburg on December 11, 2021 at 12:18 pm

    Great video ,new to drones have an AIR we have great canyons in South Africa but very worried about flying from the top with a 800 meter drop !!!! what will it read as it’s height very nervous as hate the air to drop to 30 meters which is a long way down ,thanking you

  40. Tom Bone on December 11, 2021 at 12:21 pm

    Hey again Dylan, Thanks for your prompt reply back to my question about flying over/around mountains and hills. As always, I appreciate the knowledge you share with us! In answer to your question about my camera settings… I was flying my Xiaomi Mi 4K Drone using the default settings, i.e. 4K, f/2.8, 3.5 mm focal length, 3840 x 2160p/30fps, EV 0.0, no filters used, saturation 50%. Thanks again Dylan for your help #MAIL Tom Bone. Another rather lengthy one, but it’s received a boat load of views… https://youtu.be/cL1sh_R7CsQ

  41. RICK HALBUR on December 11, 2021 at 12:23 pm

    Very good information Dylan thank you

  42. Fly Hi on December 11, 2021 at 12:23 pm

    Thankyou, because I’m hoping to take mine to Norway – I currently have max altitude limit set at 115m and max distance at 1km which rates with me as more than enough. I will also be doing cliffs around Durdle Door / Weymouth and maybe Scarborough / Whitby weather depending. And I ordered myself a rucksack 🙂

    Ikopter – if you go to America, my recommendation is Durango – its not well known with Europeans who stick to the better known National Parks, Grand Canyon, Monument Valley, Bryce Canyon – that is very good too I must say but Durango is a little Gem at the foothills of the Rockies, complete with a great steam train running regularly up to Silverton.

  43. Greg Traver on December 11, 2021 at 12:29 pm

    Cool! Thanks for the great videos!

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