IFR SMT ACFT WITH NO TRANSPONDER ON MAINT FLT; DESCRIBED ATC ALLEGED CONFLICT; CITING ATC NON RADAR FAMILIARITY AS CAUSAL. PLTDEV RECORDED.

Date: 2008-03 · Aircraft: Small Transport; Low Wing; 2 Turboprop Eng · Phase: cruise

Anomalies: conflict-airborne-conflict|deviation-track-heading-all-types

Synopsis

IFR SMT ACFT WITH NO TRANSPONDER ON MAINT FLT; DESCRIBED ATC ALLEGED CONFLICT; CITING ATC NON RADAR FAMILIARITY AS CAUSAL. PLTDEV RECORDED.

Narrative

DURING A REPOS FLT FOR MAINT TO HAVE XPONDER REPAIRED; ATC ACCEPTED ME; THUS ASSUMED RESPONSIBILITY FOR ACFT SEPARATION EVEN THOUGH I HAD NO RADAR POS ABILITY. AT ALT; THERE WAS A STRONG 35-45 KT XWIND WHICH PUSHED ME TO THE E. EVEN THOUGH I COMPLIED WITH ALL INSTRUCTIONS; I WAS IDENTED; BY HDG CHANGES; TO BE IN A TFC CONFLICTING POS; THUS HAVE BEEN ACCUSED OF A PLTDEV. FACTORS THAT PRECIPITATED THIS SITUATION WERE: 1) ATL ACCEPTED MY FLT UNDER ADVERSE CONDITIONS DURING A HIGH DENSITY TFC SITUATION . 2) ATC FAILED TO INSTRUCT MY FLT SO AS TO DETER ANY CONFLICTS WITH OTHER TFC. EVEN THOUGH I WAS NON RADAR; SHOULD HAVE TAKEN EXTRA PRECAUTIONS. CTLRS NOT UP TO SPD ON NON RADAR CTLING. 3) CTLRS FAILED TO MOVE OTHER ACFT AND INCREASE SPACING FOR SAFETY CONSIDERATIONS WITH NO RADAR ACFT. CORRECTIVE ACTIONS: 1) CTLRS NEED REVIEW FOR THESE S IN CTLING NON RADAR ACFT. 2)CTLRS SHOULD BE SURE NON RADAR ACFT ARE DIVERTED AWAY FROM CONFLICTS. 3) CTLRS SHOULD NOT RELY ON PIREPS AS THERE ARE OTHER FACTORS THAT AFFECT PIREPS SUCH AS WINDS; ERRONEOUS INSTRUCTIONS AND FAILED EQUIP USED FOR RPTS. 4) THIS CASE IN PARTICULAR SHOWED THE CTLRS WERE NOT UP TO SPD ON NON RADAR PROCS. MORE TRAINING IS NEEDED OR UPDATED FOR CTLRS.

Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.