For greater clarification …
FRZ … note that the circle is not a complete circle …
ATZ … the circle is a complete circle …
Both superimposed … note the complete circle over the unclosed circle.
I would also recommend using Drone Scene, which provides more layers of information (see the key on the right of those screen shots) and better manipulation of those layers than that offered by NATS’ Drone Assist.
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it isn’t DJI’s doing, it’s the law!
My screen shot is very much DJIs own doing and nothing like the law 
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As Rich says … there is NO (logical/overlaying/common) link between DJI’s Geo Zones (not law!) and UK FRZs (law!)
A randomly chosen location …
Law! FRZs!
Not Law! DGI Geo Zones
Have a good read of Can you fly? DJI NFZs v UK FRZs and other Air Space.
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OzoneVibe. Thanks for clearing that up. I obviously got confused with all the overlaying.
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To the best of my understanding:-
FRZ = Cylinder from ground, vertical upwards - Do not Fly. Law
ATZ = Conical (ish) from 500ft diagonally out to . . CTR. Law
CTR = Controlled Traffic region from 500 ft to 2000 ft at periphery. Law
All the other stuff is DJI’s suggestions, Not law!
I’m sure someone will very politely correct me if I’m wrong.
Kirk
Firstly -
… was in reply to Rich’s post of the DJI GEO Zones screen shot - which is DJI’s doing and isn’t law. Totally opposite to what you posted…
Secondly …
Not always cylindrical AND you have omitted the Runway Protection Zones.
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The Flight Restriction Zone consists of the following three elements:
-
A zone with the same dimensions as the Aerodrome Traffic Zone: A 2 or 2.5 nautical mile radius ‘cylinder’ around the aerodrome, extending 2000 ft above ground level, centred on the longest runway.
-
Runway Protection Zones: A rectangle extending 5Km from the threshold of each runway away from the aerodrome, along the extended runway centreline, and 500m either side - also to a height of 2000 ft above ground level.
-
Additional Zones: In the case where a line that is drawn 1Km beyond the boundary of an aerodrome extends beyond the Aerodrome traffic zone, and so would not be protected by it, the flight restriction zone will include a ‘bump’ (the airfield boundary + 1KM) to protect this part of the aerodrome.
“Airspace restrictions for unmanned aircraft and drones | UK Civil Aviation Authority” Drones | Civil Aviation Authority
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Two recently active threads that are both discussing this one overall topic have been merged into the older thread.
Thank you so much for being gentle on me but, DJI’s geozones don’t stop you flying in the DJI marked areas (The bow-ties), if however, you try to fly into the previously mentioned legally controlled areas, the drone will have a hissy fit and land!
FRZ, as far as I’m aware, is round from the ATC centre but, yes you got me on the runway protection zones which i failed to mention.
Regards.
Kirk
For DJI drones, that is specifically what DJI Geo Zones do - they prevent you flying into them.
ONLY if the two (FRZs and NFZs) are identical.
Please look at the two screen shots - there are NFZ’s that have no DJI Geo Zone counterpart. Even in a DJI drone you can fly straight through them, albeit illegally, … because your drone has absolutely no knowledge of them.
Twice in the thread already, the following has been posted …
- Additional Zones: In the case where a line that is drawn 1Km beyond the boundary of an aerodrome extends beyond the Aerodrome traffic zone, and so would not be protected by it, the flight restriction zone will include a ‘bump’ (the airfield boundary + 1KM) to protect this part of the aerodrome.
So they are not always round, even if the majority are.
I wasn’t trying to get you, but your posts contained inaccurate/misleading information, that may be thought accurate by others reading them.
For that reason, and since the odd shaped FRZs might not have matching DJI Geo Fence data, it is imperative that such errors are highlighted.
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Ok Ozonevibe, I’m sure you’re a nice person and only trying to make it clear for all to understand and I really appreciate it but, I’m also trying to educate people who know no better, like people who deliberately REMOVE the NFZ’s from the DJI drone, suffice to say, I live in close proximity to Birmingham International and have to deal with this issue EVERY time I wish to launch from my back garden so you’ll understand if I go through this one more time.
If I try to launch, my DJI drone will tell me I’m in a restricted area and must take responsibility for my flight, I do this by ticking a few boxes and off I go, simples, no problem, if however, I try to fly into the FRZ, my drone very politely tells me it will land in 90 seconds, I can cancel this but it will then tell me (90 seconds later) that it’s going to land! If I fly out of the FRZ, the warning ends and I can continue flying, unless I try to go back into the FRZ. DJI’s restrictions (in the bow-tie areas) are only height restrictions, NOT flight restrictions.
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Can you fly up above their base into them from below? Nope
Can you fly into them from the side at a height above their base? Nope.
In both cases they restrict your flight = a flight restriction.
You shouldn’t have been flying in the FRZ. The drone has no knowledge of any FRZs.
If you are referring to DJIs NFZs, that’s another matter.
To be honest, I’ve not tried but, I will do tomorrow and let you know the outcome.
Again - you might mean NFZ. I reiterate - your drone does not know about FRZs.
This distinction is all important - and not assuming they are the same is imperative.
Without knowing this you can easily fly into NFZs and illegally.
I fthe drone has no knowledge of the FRZ, why does it get upset if I try to fly into one?
Probably because you are confusing which is which.
I reiterate - your DJI drone has no knowledge of any FRZ.
The DJI drone only knows about their own NFZs.
There will be cases where the two may be the same - but this is so far from always being the case that to assume they are always the same is seriously flawed and can easily result in your flying illegally.
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Look at Retford …
That is an FRZ … your drone won’t blink flying through most of it because DJI only have warnings for some of it.
