NTSB Identification: LAX92LA157A.
The docket is stored on NTSB microfiche number 46761.
Accident occurred Tuesday, March 31, 1992 in PRESCOTT, AZ
Probable Cause Approval Date: 08/26/1993
Aircraft: CESSNA 172, registration: N250ER
Injuries: 4 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

BOTH AIRPLANES WERE IN THE TOWER CONTROLLED TRAFFIC PATTERN; ONE AIRPLANE WAS ON A LEFT DOWNWIND WITH A CFI, DUAL STUDENT, AND A STUDENT PILOT/OBSERVER OCCUPYING THE REAR SEAT; THE OTHER AIRPLANE WAS ON A RIGHT DOWNWIND AND WAS BEING FLOWN BY A SOLO STUDENT PILOT. THE LOCAL CONTROLLER CLEARED THE SOLO STUDENT PILOT ON THE RIGHT DOWNWIND TO LAND FOLLOWING AN AIRPLANE TO THE STUDENT PILOT'S LEFT. THE LOCAL CONTROLLER THEN CLEARED THE DUAL STUDENT'S FLIGHT TO FOLLOW THE SOLO STUDENT AIRPLANE'S ON THE RIGHT DOWNWIND. THE DUAL STUDENT'S FLIGHT ACKNOWLEDGED THE CLEARANCE, BUT BOTH PILOTS MISIDENTIFIED THE SOLO STUDENT'S AIRPLANE AND BEGAN FOLLOWING THE AIRPLANE AHEAD OF AND TO THE LEFT OF THE SOLO STUDENT'S AIRPLANE. AFTER THE LOCAL CONTROLLER CLEARED THE SOLO STUDENT TO LAND HE THEN CLEARED THE DUAL STUDENT'S FLIGHT TO FOLLOW THE SOLO STUDENT'S AIRPLANE. THE DUAL STUDENT'S FLIGHT FOLLOWED THE AIRPLANE AHEAD OF THE SOLO STUDENT AND BEGAN TO TURN ONTO THE FINAL APPROACH. SHORTLY THEREAFTER THE SOLO STUDENT'S AIRPLANE DESCENDED ONTO THE DUAL STUDENT'S AIRPLANE. THE SOLO STUDENT LANDED ON THE RUNWAY WITHOUT FURTHER INCIDENT. THE CFI IN THE DUAL STUDENT'S AIRPLANE EXECUTED A FORCED LANDING IN THE OPEN DESERT TERRAIN, BUT NOSED OVER DURING THE LANDING ROLL.

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

THE FLIGHT INSTRUCTOR'S POOR SUPERVISION OF THE FLIGHT; THE FLIGHT INSTRUCTOR'S AND DUAL STUDENT'S MISIDENTIFICATION OF THE OTHER AIRPLANE AND THE FLIGHT INSTRUCTOR'S AND DUAL STUDENT'S POOR VISUAL LOOKOUT. CONTRIBUTING TO THIS ACCIDENT WAS THE SOFT, ROUGH AND UNEVEN TERRAIN.

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