Collision Avoidance Alert on Mission Planner for ADS-B and FLARM

@Severin_Leuenberger wrote:

Dear Michael
Dear Mission Planner Dev Team

I was testing the FLARM collision avoidance system last year on drones (see https://www.youtube.com/watch?v=pXIbra6P8zc&t=67s) in a joint effort between the FLARM Company and the Swiss Federation of Civil Drones. Now FLARM is offering a new light FLARM Module for drones, which delivers the MAVlink components and IDs to the serial port of Pixhawk. It will provide the MAVlink message ADSB_VEHICLE #246. My understanding is that the uavionix ping ADS-B receiver uses the same message, so the proposal is also valuable for users of ping.

Mission Planner already displays ADS-B targets on the map, which is great. For practical purposes this is often no sufficient however, e.g. when we fly with a too high zoom level such that the intruder is not shown on the map. Furthermore, the operator is often focused on the flight task at hand (e.g. checking camera view), and not able to monitor the map continuously.

It would thus be a big help if Mission Planner could raise the attention of the operator if a potential threat approaches. Ideally this comprises both aural and visual cues when a target enters some perimeter around the UAV. Specifically I suggest:
• Give aural and visual warning when a target intrudes a perimeter of 3000m, 1500m and 750m around the UAV. The aural signal could increase in intensity the closer the intruder is.
• Indicate on Mission Planner distance and relative altitude of the target.
• If the zoom level is such that the intruder is not visible, a placeholder symbol (e.g. an arrow) should be placed on the boundary, indicating the direction of the intruder
• Optionally, we may think about temporarily changing the zoom level to show the intruder

Could a Logic like that be implemented without too much effort?

Best wishes
Severin

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