Aircraft
The overall aircraft of Gauthali consists of a flight controller, smart communication
system, propulsion system and a battery management system.
Aircraft Status Indicator
The aircraft status indicator is an rgb led accompanied with the flight controller. It relays
the status of the flight controller system. The different status as indicated by the pattern of led
are:
LED Pattern
Description
Flashing red and blue
Initializing gyroscopes. Hold the vehicle still
and level while it initializes the sensors.
Flashing blue:
Disarmed, no GPS lock found. Autopilot,
loiter and return-to-launch modes require
GPS lock.
Solid blue:
Armed with no GPS lock
Flashing green
Disarmed (ready to arm), GPS lock acquired.
Quick double tone when disarming from the
armed state.
Fast Flashing green
Same as above but GPS is using SBAS (so
should have better position estimate).
Solid green - with single long tone at time of
arming:
Armed, GPS lock acquired. Ready to fly!
Double flashing yellow:Single Flashing yellow Failing pre-arm checks (system refuses to
arm).
Single Flashing yellow
Radio failsafe activated
Flashing yellow - with quick beeping tone
Battery failsafe activated
Flashing yellow and blue - with
high-high-high-low tone sequence:
GPS glitch or GPS failsafe activated
Flashing red and yellow - with rising tone:
EKF or Inertial Nav failure
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