NTSB Identification: MIA87FA191.
The docket is stored on NTSB microfiche number 35654.
Nonscheduled 14 CFR
Accident occurred Wednesday, June 24, 1987 in HILLIARD, FL
Probable Cause Approval Date: 02/24/1989
Aircraft: Rockwell 690A, registration: N57169
Injuries: 2 Fatal.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

RADAR DATA INDICATED THE ACFT CLIMBED NORMALLY TO 9,200 FEET AT WHICH TIME SOME MANUEVER WAS PERFORMED WITH THE ACFT. THE ACFT THEN ENTERED A NEAR VERTICAL DIVE AND THE LAST RADAR HIT WAS AT 6,900 FEET. EXAMINATION OF THE ACFT REVEALED IT EXPERIENCED AN INFLIGHT STRUCTUAL BREAKUP AND THERE WAS NO EVIDENCE TO INDICATE PREBREAKUP FAILURE OR MALFUNCTION OF THE ACFT STRUCTURE, FLIGHT CONTROLS, ENGINES, ENGINE MOUNTS, AUTOPILOT, OR SYSTEMS. THE OPERATOR REPORTED ONE EMPLOYEE OVERHEARD THE PLT AND PASSENGER TALK ABOUT ROLLING THE ACFT PRIOR TO DEPARTURE, AND TWO COMPANY EMPLOYEES REPORTED BEING ONBOARD WHEN THE PILOT HAD ROLLED IT ON PRIOR OCCASIONS. ONE OF THESE WAS AT NIGHT.

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

AEROBATICS..PERFORMED..PILOT IN COMMAND

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

DIRECTIONAL CONTROL..NOT MAINTAINED..PILOT IN COMMAND

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

DESIGN STRESS LIMITS OF AIRCRAFT..EXCEEDED..PILOT IN COMMAND

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

ALTITUDE..NOT MAINTAINED..PILOT IN COMMAND

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

OVERCONFIDENCE IN PERSONAL ABILITY..PILOT IN COMMAND

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