NTSB Identification: DCA87MA029B.
The docket is stored on NTSB microfiche number 33071.
Accident occurred Friday, May 01, 1987 in ORLANDO, FL
Probable Cause Approval Date: 12/12/1988
Aircraft: NORTH AMERICAN SNJ-4, registration: N711SQ
Injuries: 4 Fatal.

NTSB investigators traveled in support of this investigation and used data obtained from various sources to prepare this aircraft accident report.

THE TWO ACFT, A CESSNA 340A AND A NORTH AMERICAN SNJ-4, COLLIDED IN FLT AT APRX 3000 FT MSL OVER ORLANDO FL IN VMC WITH A VISIBILITY OF 7 MILES. BOTH ACFT WERE IN CONTACT WITH AND BEING RADAR VECTORED BY ORLANDO APPROACH CONTROL. THE C-340 WAS IN LEVEL FLT AND THE SNJ WAS COMPLETING A RIGHT TURN AND STILL DESCENDING TO 1500 FT WHEN THE COLLISION OCCURRED. BOTH ACFT WERE OPERATING UNDER IFR FLT RULES WITH THE C-340 BEING VECTORED TO RWY 18R AT ORLANDO INTERNATIONALARPT (MCO) AND THE SNJ BEING DIRECTED TO ORLANDO EXECUTIVE ARPT (ORL). THE ACCIDENT OCCURRED 7 MILES NW OF ORL IN THE MCO ARPT RADAR SERVICE OUTER AREA. DURING THE VECTORING, THERE WAS A LACK OF COORDINATION BETWEEN CONTROLLERS DURING A TRANSFER OF CONTROL. THE RECEIVING CONTROLLER FAILED TO MAINTAIN RADAR TARGET IDENTIFICATION. THERE WAS ALSO A LACK OF TRAFFIC ADVISORIES. THE ACFT PLTS WERE LIMITED IN THEIR ABILITY TO SEE DUE TO ACFT STRUCTURE AND RELATIVE POSITIONS TO EACH OTHER. AFTER THE COLLISION BOTH ACFT CRASHED IN UNCONTROLLED DESCENT.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

CREW/GROUP COORDINATION..NOT PERFORMED..ATC PERSONNEL(DEP/APCH)

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

IDENTIFICATION OF AIRCRAFT ON RADAR..INADEQUATE..ATC PERSONNEL(DEP/APCH)


Contributing Factors

RADAR,APPROACH/DEPARTURE..INADEQUATE


Contributing Factors

TRAFFIC ADVISORY..NOT ISSUED..ATC PERSONNEL(DEP/APCH)


Contributing Factors

VISUAL LOOKOUT..INADEQUATE..PILOT IN COMMAND


Contributing Factors

VISUAL LOOKOUT..INADEQUATE..PILOT OF OTHER AIRCRAFT

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