IFR MILITARY HELICOPTER WITH ZKC DESCRIBED NMAC WITH UNREPORTED VFR TRAFFIC COMMUNICATING WITH SLN TOWER; REPORTER ALLEGING INTER-FACILITY COMMUNICATION BREAKDOWN REGARDING APPROACH PROCEDURES.

2008-11 · NASA ASRS report 812555

Date: 2008-11 · Aircraft: Helicopter · Phase: approach

Anomalies: conflict-nmac

Synopsis

IFR MILITARY HELICOPTER WITH ZKC DESCRIBED NMAC WITH UNREPORTED VFR TRAFFIC COMMUNICATING WITH SLN TOWER; REPORTER ALLEGING INTER-FACILITY COMMUNICATION BREAKDOWN REGARDING APPROACH PROCEDURES.

Narrative

I WAS ON AN IMC FLT PLAN IN CONTACT WITH ZKC. IT WAS OUTBOUND FROM FLORY NDB INITIATING A TURN INBOUND FROM A PARALLEL ENTRY WHEN A BONANZA ON A VMC FLT PLAN CROSSED OUR NOSE R TO L AT APPROX 200 FT BELOW AND 300 FT DIAGONAL SEPARATION APCHING FLORY ON THE ILS APCH (A VMC PRACTICE APCH). SALINA TWR WAS AWARE OF THE PRESENCE BOTH ACFT AND THE VFR TFC HAD VISUAL CONTACT (TWR HAD ADVISED THEM). CTR HAD NOT ADVISED US OF THE VMC TFC AT THE TIME APCHING THEIR L FRONT. THE L SEAT PLT WAS ON THE CTLS AND THE CREW CHIEF WAS ON THE R SIDE OF THE ACFT; NO VISUAL CONTACT WAS MADE PRIOR TO THE TURN. TWR WAS CONTACTED AFTER LNDG AND THEY INDICATED THAT THEY HAD NOTIFIED CTR OF THE VFR TFC. OTHER PEOPLE THAT HAD BEEN MONITORING THE RADIOS SAID TWR AND THE BONANZA HAD DISCUSSED THE PRESENCE OF THE HELI AND THE BONANZA HAD VISUAL CONTACT. IN MY OPINION; CTR FAILED TO COMMUNICATE WITH BOTH THE HELI IN THEIR CTL AND THE TWR; BY NOT LETTING THEM KNOW THE INTENT OF THE HELI. ALSO; THE HDOF TO TWR WAS LATER THAN NORMAL. THE TWR AND THE VFR ACFT COULD HAVE CHOSEN TO BREAK OFF THE APCH AT A DISTANCE THAT WOULD HAVE AVOIDED A DANGEROUS SITUATION OCCURRING. THE DISCUSSION WITH THE TWR REVEALED A CERTAIN AMOUNT OF FRUSTRATION BTWN THE 2 ENTITIES THAT NEEDS TO BE RESOLVED. THE OTHER CONTRIBUTING FACTOR COULD BE THAT CTR'S RADAR DOES NOT ADEQUATELY RECEIVE TARGETS AT LOWER ALTS IN THE SALINA AREA.

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

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