In the case of low battery alarm, the rear LED of the aircraft will flash red. At this time, it
is necessary to return the safe landing point as soon as possible.
5.4 Flight restrictions
According to the controlled airspace and UAV management regulations of the ICAO and the
air traffic management authorities of each country, UAV must fly in the specified airspace.
For the sake of flight safety, the flight restrictions are activated by default, including height
and distance limits and flight restriction in special area.
Remark
Operator shall abide by all the local rules and regulations concerning flight.
5.4.1 Classification of restricted area
The restricted area is classified into two.
Class I: main airport & low-altitude area for manned aircraft
1. Restricted area
A circular area centered on this area and with a radius of 2.4km (subject to government rules)
2. Height limit area
An annular area centered on this area and with a radius of 2.4~8km. The flight height of the
aircraft is limited and such height limit varies with the radius. When the radius decreases from
8km to 2.4km, the maximum flight height will decrease from 120m to 10.5m.
3. Warning area
APP will give a warning information when the aircraft enters the area of 8.1km from the
airport.
Class II: Sensitive area or organization & military area & border between countries
1. Restricted area
A circular area centered on this area and with a radius of 1km
2. Warning area
