A CARJ AIRLINE CREW EXPERIENCES NUMEROUS MALFUNCTIONS WITH THE FLT GUIDANCE SYS AND THE CREW FOUND THEMSELVES DISTR BY THESE PROBS.

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RECURRENT EFIS COMP MON CAUTION MESSAGE AND HDG FLAG (PFD) ENRTE. CAPT HSI REPEATEDLY OUT OF SYNCH WITH MAGNETIC COMPASS AND FO SIDE. QRH SLEWING PROCS DID NOT CORRECT PROB. AUTOPLT XFERRED TO COPLT SIDE PER QRH. SUGGESTED CALLING MAINT TO RPT PROB AND ASK ADVICE. CAPT SAID NO; WOULD RPT PROB AFTER RETURN TO CVG THE NEXT DAY. AGAIN REFERRED CAPT TO OPS MANUAL 3-7 CONCERNING TIMELY NOTIFICATION OF PROBS THEN COMPLETED CALL TO MAINT. IDG1 CAUTION MESSAGE AT FL300 UPON DSCNT INTO DSM TERMINAL AREA. FOLLOWED QRH PROC AFTER XFERRING RADIO DUTY TO CAPT. WHILE PERFORMING QRH PROC; 1) CAPT INADVERTENTLY DISPLACED APCH CTL FROM ACTIVE COM FREQ TO CALL DSM OPS; ASK THEM TO CALL HOTEL VAN AND CALL MAINT ABOUT IDG PROB. 2) UPON LEVELOFF AT 3000 FT (ASSIGNED ALT PRIOR TO DISPLACEMENT OF APCH CTL FROM ACTIVE COM FREQ); FLT SPOILERS WERE INADVERTENTLY LEFT DEPLOYED. SENSING LEVELOFF AND AIRSPD LOSS; I LOOKED UP FROM QRH MANUAL TO FIND AIRSPD DECREASING BELOW GREEN LINE AND CAPT STILL TALKING TO DSM OPS ON COM #1; UNAWARE OF EITHER IMPROPER RADIO TUNING OR FLT SPOILER POS. BROUGHT CAPT'S ATTN TO BOTH PROBS AND CORRECTED. AFTER RE-ESTABLISHING COM WITH DSM APCH; SUGGESTED WE REQUEST DELAY VECTORS OR HOLDING TO ALLOW COMPLETION OF NORMAL CHKLISTS AND QRH PROC FOR L WINDSHIELD HEAT THAT APPEARED WHEN IDG1 WAS DISCONNECTED. CAPT SAID NO; WE WOULD LAND IMMEDIATELY AND COMMANDED SET-UP FOR APCH; ILS RWY 31R DSM. COMPLIED. CALLED 'GREATER THAN 1 DOT' UPON OBSERVING 2-DOT DISPLACEMENT FROM BOTH LOC AND GS COURSES INSIDE FAF (CAPT HAND FLYING). CAPT SAID POOR TRACKING DUE TO HIS REFING OF MY PFD FOR COMMAND BAR GUIDANCE; AS HIS FOR DIRECTOR BARS NOT PROVIDING ACCURATE APCH GUIDANCE. SUGGESTED IMMEDIATE XFER OF CTLS TO MY SIDE AND/OR MISSED APCH. CAPT DECLINED; SAYING 'VFR; NO PROB.' LANDED UNEVENTFULLY. DEPLANED PAX. FERRIED ACFT BACK TO CVG AT XA00 AFTER DSM MECH DEFERRED IDG1/GEN1 AND SELECTED SOURCE SELECT ATTITUDE/HDG KNOB TO MY SIDE FOR EFIS COMP MON PROB. CONCERNS: RELUCTANCE TO SOLICIT MAINT OR ATC ASSISTANCE. FAILURE TO COMPLETE QRH PROCS (IE; FOR L WINDSHIELD HEAT) IN FAVOR OF EXPEDITING LNDG. LACK OF CREW COM LEADING TO COMPROMISE OF SAFETY -- EG; FAILURE TO XFER CTLS ON APCH. LACK OF COMPLIANCE WITH FLT STANDARDS MANUAL; OPS MANUAL SOPS.