NTSB Identification: ATL91FA176.
The docket is stored on NTSB microfiche number 46039.
Accident occurred Friday, September 20, 1991 in ALABASTER, AL
Probable Cause Approval Date: 04/23/1993
Aircraft: CESSNA C-172N, registration: N700CH
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.

THE FLIGHT STALLED AND CRASHED WHILE ON DOWNWIND TO RUNWAY 15. THE NEWLY CERTIFICATED PRIVATE PILOT FAILED TO MAINTAIN FLYING SPEED WHILE ON DOWNWIND FOR A FULL STOP LANDING. THE AIRPLANE STALLED AND CRASHED ON THE UTILITY COMPANY RIGHT OF WAY ADJACENT TO THE AIRPORT. THE VERTICAL IMPACT DISPLACED THE INSTRUMENT PANEL AFT TOWARDS THE PILOT'S STATION. WRECKAGE EXAMINATION FAILED TO DISCLOSE MECHANICAL PROBLEMS. HOWEVER, THE TOXICOLOGICAL EXAMINATION INDICATED THE PRESENCE OF DIAZEPAM, A TRANQUILIZER, IN THE PILOT'S BLOOD.

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

THE PILOT'S FAILURE TO MAINTAIN FLYING SPEED WHICH RESULTED IN AN UNINTENTIONAL STALL AND COLLISION WITH THE GROUND. A FACTOR WAS THE PILOT'S USE OF UNPRESCRIBED DRUGS.

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