CMA 9000, unexplained message
CMA 9000, unexplained message
One question for the 225 drivers, and now the 175, or any aircraft fitted with the CMA 9000: what does the 'BORESIGHT DISCREPANCY' message mean, and, more to the point, what is a boresight discrepancy ?
The internet ressources and the operator's manual are not very clear.
A direct answer or a link would be much appreciated.
Thank you in advance.
ATN
The internet ressources and the operator's manual are not very clear.
A direct answer or a link would be much appreciated.
Thank you in advance.
ATN
Join Date: May 2001
Location: UK
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All I can ascertain is that the message is showing a discrepancy between the boresight values that the FMS holds for the Embedded GPS/Inertial Navigation System (EGI) and the INS values that have been entered into the FMS.
Boresight discrepancy is the "angle in degrees between the centreline of the EGI (embedded GPS/INS) and body centreline of the aircraft" in pitch, roll and yaw, according to the CMA 9000 installation and flight line manual. Correction values are entered through the MAINT page.
