WATTS INNOVATIONS PRISM R.P.A.S., Flight Manual

Page: 95 / 141

PRISM FLIGHT MANUAL
95
If an IMU error occurs, the Autopilot will alert the PIC and will switch IMU control to one of
the redundant modules.
If a GPS error or failure occurs, the autopilot will alert the PIC and will automatically
switch to ALT HOLD mode. The RPA will on longer be able to hold its current horizontal
position, but it should not climb or descend uncontrollably. It is also possible that there is a
significant degradation of GPS signal strength, which is not recognized by the autopilot. In
this case, the RPA may begin an uncontrolled movement while still in POS HOLD MODE.
8.7.1 IMU FAILURE:
8.7.2 GPS FAILURE:
Confirm control of the RPA’s attitude. Maintain visual contact with the RPA and assist
the pilot with orientation and positioning.
If the pilot indicates that the RPA is not
controllable, move towards the emergency
landing area with the first aid kit and fire
extinguisher.
Be ready to unplug the RPA and use the fire
extinguisher if necessary.
If no control, declare emergency and try to
direct RPA to emergency area
Make use of the onboard pilot camera to
determine RPA attitude and orientation.
If controllable, fly back to the landing area,
avoiding overflying populated areas.
PILOT PAYLOAD OPERATOR / OBSERVER
ACTIONS TO BE PERFORMED BY: