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Operator ID: |
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UAS Operating Safety Case |
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Document reference number: |
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Document version and date: |
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Amendment Number |
Date |
Amended by |
Details of changes |
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CAP722A Table 6
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UAS Model |
Avata 2 |
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UAS design & manufaturing organisations |
DJI |
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Empty Mass |
|
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Maximum Take-Off Mass (MTOM) |
Takeoff Weight: |
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Dimensions for Rotorcraft / Multirotor |
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Length of aircraft body |
Dimensions: |
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Width of aircraft body |
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Height of aircraft body |
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Propeller Configuration |
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Propeller Dimensions |
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Sound power level |
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Any other relevant information |
|
CAP722A Table 7
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Maximum airspeed |
Max Horizontal Speed (at sea level, no wind): |
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Minimum airspeed to maintain safe flight |
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Normal/typical operating height |
Max Takeoff Altitude: |
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Maximum operating height |
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Maximum flight time during normal operation |
Max Flight Time: |
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Maximum flight time on an ISA day at cruising speed at normal/typical operating height. |
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Maximum flight range on an ISA day (normal and emergency conditions) |
Max Flight Distance: |
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Glide distances |
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Maximum radio range of the C2 Link |
CAP722A Table 8
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Wind speed limits |
Max Wind Speed Resistance: |
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Turbulence restrictions |
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Precipitation limits |
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OAT limits |
Operating Temperature: |
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In-flight icing condition limits |
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Any other relevant information |
CAP722A Table 9
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Type of material |
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Material characteristics or properties |
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Any other relevant information |
CAP722A Table 10
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Batteries: |
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Battery type, model and manufacturer |
Capacity[1]: Battery Type: |
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Quantity |
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Arrangement |
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Generator: |
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Generator type, model and manufacturer |
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Specification |
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Electrical loads |
Energy: |
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Electrical load shedding functionality |
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Power supply redundancy |
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Procedures to charge and discharge batteries. |
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Safety provisions with regards to hazards inherent to high-voltage storage devices: |
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Procedures in place for safe handling by any person who may come into contact with high-voltage storage devices |
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Means of identifying high-voltage storage |
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Safety provisions for any person discovering the UA following an accident. |
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Procedures and safety provisions to mitigate the risk of battery thermal runaway. |
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Procedures for monitoring high-voltage storage devices. |
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HMI: |
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Information indicated to the remote pilot. |
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Alert messages indicated to the remote pilot. |
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Any other relevant information |
Charging Time: Charging Temperature: |
CAP722A Table 11
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Propulsion type |
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Engines: |
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Type, model and manufacturer |
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Propeller type, model and manufacturer |
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Quantity |
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Arrangement |
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Power output |
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Propeller guards |
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In-flight restart functionality |
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Performance monitoring |
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Health monitoring |
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Safety features and redundancy in the system that allow maintaining flight after a failure or degradation has occurred in the propulsion system. |
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Fuel-powered propulsion system – Safety features to mitigate the risk of engine loss when the following hazards occur: |
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Fuel starvation |
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Fuel contamination |
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Failed signal input from the control station |
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Engine controller failure |
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Indication to the remote pilot |
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Electric-powered propulsion system: |
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Power source and supply management with regards to other systems in the UA |
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Redundant power sources |
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Maximum continuous power output of the motor |
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Maximum peak power output of the motor |
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Electrical distribution architecture |
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Electrical load shedding functionality |
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HMI: |
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Information indicated to the remote pilot. |
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Alert messages indicated to the remote pilot. |
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Any other relevant information |
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CAP722A Table 12
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Fuel type |
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Safety provisions with regards to hazardous substances within the fuel system: |
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List of hazardous substances and their characteristics. |
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Procedures in place for safe handling of the UA by any person who may come into contact with the hazardous substances. |
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Means of identifying the hazardous substances. |
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Safety provisions for any person discovering the UA following an accident. |
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HMI: |
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Information indicated to the remote pilot. |
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Alert messages indicated to the remote pilot. |
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Any other relevant information |
|
CAP722A Table 13
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Design and operation of flight control units, surfaces, actuators, control linkages, etc. |
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Flight controller: |
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Type, model and manufacturer |
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Functions |
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Flight modes available |
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Automatic functions: |
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Take-off and landing |
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Stabilisation |
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Autopilot |
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Return to home |
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If functions are provided by COTS equipment, provide type, model and manufacturer. |
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Safety features and redundancy in the system which allow maintaining flight after a failure or degradation of the flight control system, including indication to the remote pilot. |
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HMI: |
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Information indicated to the remote pilot. |
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Alert messages indicated to the remote pilot. |
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Any other relevant information |
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CAP722A Table 14
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Sensors |
|
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Type, model and manufacturer |
Global Navigation Satellite System: |
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Quantity |
|
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Telemetry links |
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Method to determine current position. |
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Method to navigate to intended destination. |
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Automatic/automated navigation functions |
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Geo-awareness functions |
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Containment functions |
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Safety features and redundancy in the system which allow maintaining flight after a failure or degradation has occurred in the navigation system: |
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Backup means of navigation |
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Detection of and response to loss of primary means and secondary means of navigation. |
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Indication to the remote pilot |
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HMI: |
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Information indicated to the remote pilot. |
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Alert messages indicated to the remote pilot. |
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Any other relevant information |
|
CAP722A Table 15
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DAA system functions |
Sensing Type: Backward: Downward: |
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Devices used |
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Technology used |
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Interface between the DAA system and the flight control computer |
|
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Limitations of the DAA system |
Operating Environment: |
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Evidence of equipment qualification and approval. |
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DAA event sequence: |
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Level of automation |
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Actions required by the remote pilot |
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Means to verify normal system operation. |
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HMI: |
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Information indicated to the remote pilot. |
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Alert messages indicated to the remote pilot. |
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Any other relevant information |
|
CAP722A Table 16
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|
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Power sources, supply management and redundancy. |
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Radio signal: |
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Determination of the signal strength and health value. |
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Threshold values which represent a critically degraded signal. |
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Control handover between two CUs |
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Safety features to mitigate the risk of inadvertent command activation: |
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List of critical commands |
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Mitigation means |
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Safety features to mitigate the risk of display or HMI lock-up. |
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Safety features to maintain flight-critical processing when multiple programs are running concurrently. |
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HMI: |
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Information indicated to the remote pilot. |
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Radio signal strength and/or health indication to the remote pilot. |
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Alert messages indicated to the remote pilot. |
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Any other relevant information |
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CAP722A Table 17
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RLOS |
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BRLOS |
|
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Antennas: |
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Type, model and manufacturer |
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Locations on the UAS |
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Transceivers / Modems: |
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Power levels |
Transmitter Power (EIRP): Transmitter Power (EIRP): |
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Transmission schemes |
Protocol: |
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Operating frequencies |
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Details of frequency spectrum approvals |
Operating Frequency[1]: Operating Frequency: |
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Maximum power output/range |
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Type of signal processing |
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Datalink margin in terms of the overall link bandwidth at the maximum anticipated distance from the CU. |
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Operational C2 link management: |
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Frequency switchovers |
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Contingency situations |
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Third party link service provider |
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Radio signal: |
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Determination of the signal strength and health value |
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Threshold values which represent a critically degraded signal. |
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Minimum and average assured data rates |
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Minimum and average assured latencies |
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Design features and procedures to maintain availability, continuity, and integrity of the datalink: |
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RF or other interference |
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Flight beyond communications range |
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Antenna masking |
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Loss of CU functionality |
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Loss of UA functionality |
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Atmospheric attenuation |
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Safety features to mitigate the risk of loss of C2 link: |
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C2 links redundancy |
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Automatic triggering of an emergency recovery function |
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Automatic return to home |
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Safety features to mitigate the risk of harmful interference. |
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HMI: |
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Information indicated to the remote pilot. |
|
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Radio signal strength and/or health indication to the remote pilot. |
|
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Alert messages indicated to the remote pilot. |
|
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Any other relevant information |
|
CAP722A Table 18
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Antennas: |
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Type, model and manufacturer |
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Locations on the UAS |
|
|
Communication method: |
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VHF |
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GSM network |
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Satellite |
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Safety features to mitigate the loss of communication function: |
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Primary communication means |
|
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Secondary / back-up communication means |
|
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HMI: |
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Information indicated to the remote pilot. |
|
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Radio signal strength and/or health indication to the remote pilot. |
|
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Alert messages indicated to the remote pilot. |
|
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Any other relevant information |
|
CAP722A Table 19
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Wheels, skids, rails, launchers, etc. |
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If various mechanisms can be fitted: |
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Primary mechanism |
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Secondary mechanisms |
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Operational conditions/requirements for each mechanism. |
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Any other relevant information |
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CAP722A Table 20
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Mode of operation |
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Safety features which mitigate the risk of loss of control or situational awareness. |
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Means to verify normal system operation. |
|
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HMI: |
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Information indicated to the remote pilot. |
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Alert messages indicated to the remote pilot. |
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Any other relevant information |
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CAP722A Table 21
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Type, model and manufacturer |
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Locations on the UA |
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Colour |
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Operation |
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Operating modes |
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Purpose |
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HMI: |
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Information indicated to the remote pilot. |
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Alert messages indicated to the remote pilot. |
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Any other relevant information |
|
CAP722A Table 22
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Types |
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Mass |
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Interfaces with the UA: |
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Mechanical interface |
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Electrical interface |
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Data interface |
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Release mechanism |
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Any other interface |
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Procedures to install the payload onto the UA. |
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Effects of the payload on the UA |
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Sensors |
Image Sensor: |
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Safety features to mitigate the risk of the payload affecting the flight of the UA: |
|
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Effects on aerodynamics |
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Effects of electro-magnetic interference. |
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Effects of electrical power and / or data connection failures on the UAS. |
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Effects of complete detachment of the payload from the UA (either caused by a failure or through intentional lowering / dropping of the payload). |
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Effects of partial detachment of the payload from the UA. |
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Distraction of the remote pilot generated by the payload during flight. |
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Procedures to verify the attachment points to the UA. |
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Procedures to verify the UA MTOM and CG location. |
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Procedures to detect and mitigate any failure of the payload in flight. |
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Safety provisions with regards to hazards inherent to the payload |
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Procedures in place for safe handling of the payload. |
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Means of identifying hazards. |
|
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HMI: |
|
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Information indicated to the remote pilot. |
|
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Alert messages indicated to the remote pilot. |
|
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Any other relevant information |
|
CAP722A Table 23
|
UAS launch and recovery systems |
|
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Power sources |
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Transportation equipment |
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Backup or emergency equipment |
|
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Procedures to transport UA, CU, battery/fuel, and other equipment between operation sites and from the loading/off-loading area to the take-off/landing area. |
|
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Storage of ground support equipment. |
|
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Suitability of the ground support equipment and transportation method with regards to the UAS components’ fragility, sensitivity or inherent hazards. |
|
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Ground support equipment standards |
|
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Ground support equipment manufacturer's recommendations. |
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Any other relevant information |
CAP722A Table 24
|
Maintenance manual: |
|
|
Structure |
|
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Maintenance procedures: |
|
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Inspections |
|
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Overhaul |
|
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Repairs |
|
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Assurance of repair procedures |
|
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Batteries maintenance during storage periods |
|
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Origin of each procedure |
|
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Maintenance schedules |
|
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Procedures to record maintenance that has been carried out. |
|
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Storage of maintenance records |
|
|
Staff qualification and levels of approval. |
|
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Procedures to use the manual by the Maintenance staff |
|
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Configuration control |
|
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Any other relevant information |
|
CAP722A Table 25
|
Sources of procurement |
|
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Process to confirm the suitability of the part. |
|
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Any other relevant information |
CAP722A Table 26
|
Hardware, software, and firmware version control |
|
|
Modification standards |
|
|
Modification records storage |
|
|
Safety assessment associated with the modification |
|
|
Any other relevant information |
CAP722A Table 27
|
Step 1 – Identify the main functions of the UAS. |
|
||||
|
Step 2 – Identify the sub-functions. |
|
||||
|
Step 3 – Consider the ways each function may fail. |
|
||||
|
Step 4 – Identify the failure conditions. |
|
||||
|
Step 5 – Select those failure conditions that may lead to mid-air collision or harm to uninvolved people on the ground. (Identified Hazard) |
|
||||
|
Step 6 – Assurance |
|
||||
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Step 7 – Describe the consequence of the failure condition. |
|
||||
|
Step 8 – Describe the failure modes. (Unmitigated Failures) |
|
||||
|
Step 9 – Identify the single points of failure. |
|
||||
|
Step 10 – Describe the risk mitigation means. |
|
||||
CAP722A Table 28
Aircraft | |
| Takeoff Weight | Approx. 377 g |
| Dimensions | 185 x 212 x 64 mm (L x W x H) |
| Max Ascent Speed | 6 m/s (Normal mode) 9 m/s (Sport mode) |
| Max Descent Speed | 6 m/s (Normal mode) 9 m/s (Sport mode) |
| Max Horizontal Speed (at sea level, no wind) | 8 m/s (Normal mode) 16 m/s (Sport mode) 27 m/s (Manual mode)* * No faster than 19 m/s with the Manual mode in the EU regions. |
| Max Takeoff Altitude | 5000 m Measured in a windless environment when taking off from an altitude of 5000 m and ascending vertically by 500 m, using Sport mode, and from 100% battery level until 20%. Data is for reference only. Always pay attention to reminders on the goggles' screens during your flight. |
| Max Flight Time | Approx. 23 mins Measured when flying forward at a speed of 21.6 kph in a windless environment at sea level, with camera parameters set to 1080p/30fps, video mode off, and from 100% battery level until 0%. Data is for reference only. Always pay attention to reminders on the goggles' screens during your flight. |
| Max Hovering Time | Approx. 21 mins Measured when hovering in a windless environment at sea level, with camera parameters set to 1080p/30fps, video mode off, and from 100% battery level until 0%. Data is for reference only. Always pay attention to reminders on the goggles' screens during your flight. |
| Max Flight Distance | 13.0 km Measured when flying forward at a speed of 43.2 kph in a windless environment at sea level, with camera parameters set to 1080p/30fps, video mode off, and from 100% battery level until 0%. Data is for reference only. Always pay attention to reminders on the goggles' screens during your flight. |
| Max Wind Speed Resistance | 10.7 m/s (Level 5) |
| Operating Temperature | -10 Deg. to 40 Deg. C (14 Deg. to 104 Deg. F) |
| Global Navigation Satellite System | GPS + Galileo + BeiDou |
| Hovering Accuracy Range | Vertical: ±0.1 m (with vision positioning) ±0.5 m (with GNSS positioning) Horizontal: ±0.3 m (with vision positioning) ±1.5 m (with GNSS positioning) |
| Internal Storage | 46 GB |
Camera | |
| Image Sensor | 1/1.3-inch image sensor Effective Pixels: 12 MP |
| Lens | FOV: 155 Deg. Format Equivalent: 12 mm Aperture: f/2.8 Focus: 0.6 m to ∞ |
| ISO Range | 100-25600 (Auto) 100-25600 (Manual) |
| Shutter Speed | Video: 1/8000-1/30 s Photo: 1/8000-1/50 s |
| Max Image Size | 4000 x 2256 (16∶9) 4000 x 3000 (4∶3) |
| Still Photography Mode | Single shot |
| Photo Format | JPEG |
| Video Resolution | 4K (4∶3): 3840 x 2880@30/50/60fps 4K (16∶9): 3840 x 2160@30/50/60fps 2.7K (4∶3): 2688 x 2016@30/50/60fps 2.7K (16∶9): 2688 x 1512@30/50/120fps 1080p (4∶3): 1440 x 1080@30/50/120fps 1080p (16∶9): 1920 x 1080@30/50/120fps |
| Video Format | MP4 (H.264/H.265) |
| Max Video Bitrate | 130 Mbps |
| Supported File System | exFAT |
| Color Mode | Standard D-Log M |
| Camera FOV | Supports normal mode, wide-angle mode, and ultra-wide-angle mode. |
| EIS | Supports RockSteady 3.0+ and HorizonSteady Can be disabled* * When stabilization is turned off, footage captured with the wide-angle view supports offline stabilization Gyroflow. |
Gimbal | |
| Stabilization | Single-axis mechanical gimbal (tilt) |
| Mechanical Range | Tilt: -95 Deg. to 90 Deg. |
| Controllable Range | Tilt: -85 Deg. to 80 Deg. |
| Max Control Speed (tilt) | 100 Deg./s |
| Angular Vibration Range | ±0.01 Deg. |
| Electronic Roll Axis | Real-time screen correction is unavailable during recording, but can be applied to the footage recorded on the drone. |
Sensing | |
| Sensing Type | Downward and backward visual positioning |
| Downward | ToF Effective Measurement Height: 10 m Precise Hovering Range: 0.3-10 m Measurement Range: 0.3-20 m FOV: Horizontal 78 Deg., Vertical 78 Deg. |
| Backward | Measurement Range: 0.5-20 m FOV: Horizontal 78 Deg., Vertical 78 Deg. |
| Operating Environment | Diffuse reflective surfaces with discernible patterns, diffuse reflectivity > 20% (such as concrete pavement) Adequate lighting (lux > 15, normal indoor lighting conditions) |
Video Transmission | |
| Video Transmission System | O4 |
| Live View Quality | 1080p@30/50/60/100fps |
| Operating Frequency | 2.400-2.4835 GHz 5.170-5.250 GHz* 5.725-5.850 GHz* * 5.170-5.250 GHz and 5.725-5.850 GHz can be used only in countries and regions where permitted by local laws and regulations. |
| Transmitter Power (EIRP) | 2.4 GHz: <33 dBm (FCC) <20 dBm (CE/SRRC/MIC) 5.1 GHz: < 23 dBm (CE) 5.8 GHz: <33 dBm (FCC) <30 dBm (SRRC) < 14 dBm (CE) |
| Communication Bandwidth | Max 60 MHz |
| Max Transmission Distance (free of interference) | Low Interference and Obstructed by Buildings: approx. 0-0.5 km Low Interference and Obstructed by Trees: approx. 0.5-3 km Data tested under FCC standard in environments with typical low interference. Used for reference purposes only and provides no guarantee for actual transmission distance. |
| Max Download Speed | Wi-Fi: 30 MB/s* * Measured in a laboratory environment with little interference in countries/regions that support both 2.4 GHz and 5.8 GHz. Download speeds may vary depending on the actual conditions. |
| Lowest Latency | With DJI Goggles 3: 1080p/100fps Video Transmission Quality: 24 ms 1080p/60fps Video Transmission Quality: 40 ms |
| Max Video Bitrate | 60Mbps |
| Antennas | 4 antennas, 2T4R |
Wi-Fi | |
| Protocol | 802.11a/b/g/n/ac |
| Operating Frequency[1] | 2.400-2.4835 GHz 5.725-5.850 GHz |
| Transmitter Power (EIRP) | 2.4 GHz: <20 dBm (FCC/CE/SRRC/MIC) 5.8 GHz: <20 dBm (FCC/SRRC) < 14 dBm (CE) |
Bluetooth | |
| Protocol | Bluetooth 5.0 |
| Operating Frequency | 2.400-2.4835 GHz |
| Transmitter Power (EIRP) | <10 dBm |
Intelligent Flight Battery | |
| Capacity[1] | 2150 mAh |
| Weight | Approx. 145 g |
| Standard Voltage | 14.76 V |
| Max Charging Voltage | 17 V |
| Battery Type | Li-ion |
| Energy | 31.7 Wh@0.5C |
| Charging Temperature | 5 Deg. to 40 Deg. C (41 Deg. to 104 Deg. F) |
| Charging Time | With Charging Hub (60W max charging power): From 0 to 100%: approx. 45 min From 10 to 90%: approx. 30 min Directly Charging the Drone (30 W max charging power): From 0 to 100%: approx. 88 min From 10 to 90%: approx. 60 min |
Charger | |
| Recommended Charger | DJI 65W Portable Charger DJI 65W Car Charger USB Power Delivery charger |
Battery Charging Hub | |
| Input | 5-20 V, max 3 A |
| Output | 5 V, 2 A |
| Charging Type | Three batteries charged in sequence. |
| Compatibility | DJI Avata 2 Intelligent Flight Battery |
Storage | |
| Recommended microSD Cards | SanDisk Extreme PRO 32GB U3 A1 V30 microSDHC Lexar Professional 1066x 64GB U3 A2 V30 microSDXC Lexar Professional 1066x 128GB U3 A2 V30 microSDXC Lexar Professional 1066x 256GB U3 A2 V30 microSDXC Lexar Professional 1066x 512GB U3 A2 V30 microSDXC Kingston CANVAS Go! Plus 64GB U3 A2 V30 microSDXC Kingston CANVAS Go! Plus 128GB U3 A2 V30 microSDXC Kingston CANVAS React Plus 64GB U3 A1 V90 microSDXC Kingston CANVAS React Plus 128GB U3 A1 V90 microSDXC Kingston CANVAS React Plus 256GB U3 A1 V90 microSDXC Samsung EVO Plus 512GB U3 A2 V30 microSDXC |
DJI FPV Remote Controller 3 | |
| Max Operating Time | Approx. 10 hours |
| Operating Temperature | -10 Deg. to 40 Deg. C (14 Deg. to 104 Deg. F) |
| Charging Temperature | 0 Deg. to 50 Deg. C (32 Deg. to 122 Deg. F) |
| Charging Time | 2 hours |
| Charging Type | 5 V, 2 A |
| Battery Capacity | 2600 mAh |
| Weight | Approx. 240 g |
| Dimensions | 165 x 119 x 62 mm (L x W x H) |
| Operating Frequency | 2.400-2.4835 GHz |
| Transmitter Power (EIRP) | 2.400 GHz: <26 dBm (FCC) <20 dBm (CE/SRRC/MIC) |
Others | |
| Guaranteed software updates until | 2026/12/31 |
Data source: https://www.dji.com/avata-2/specs
Generated using dronespec.info
Source data acquired 2024-04-26 11:03:42