What was found
(CAN) AFTER 26 DAYS OF FLYING IN AND AROUND THE NORTHERN DOMESTIC AIRSPACE (NDA) AND FOLLOWING FMS 45 (FLIGHT MANUAL SUPPLEMENT 45 - AREA OF MAGNETIC DISTURBANCE OPERATION WITH ADAHRS) IT IS THE PILOT`S OPINION THAT THE AIR DATA AND ATTITUDE HEADING REFERENCE SYSTEM (ADAHRS) DOES NOT WORK AS PUBLISHED BY BELL AND DEMONSTRATES A DEGREE OF INSTABILITY. CONCERNS EXPRESSED BY THE PILOT INCLUDE: DESENSITIZATION TO MESSAGES AND WARNINGS, LOSS OF ORIENTATION DURING FLIGHT, AND PILOT DISTRACTION DURING HIGH RISK OPERATIONS (I.E. MARGINAL CONDITIONS, SLINGING, SAR, ETC.)