General Information

Data Source:                          NTSB AVIATION ACCIDENT/INCIDENT DATABASE
   Report Number:                        ATL96LA002 
   Local Date:                           10/02/1995
   Local Time:                           17:30 EDT
   State:                                AL    
   City:                                 DECATUR                            
   Airport Name:                         PRYOR FIELD RGNL         
   Airport Id:                           DCU   
   Event Type:                           ACCIDENT
   Injury Severity:                      NONE   
   Report Status:                        FINAL      
   Mid Air Collision:                    NO 

Operations Information

Category of Operation:                GENERAL AVIATION       
   Aircraft Type:                        AIRPLANE       
   Aircraft Damage:                      SUBSTANTIAL      
   Phase of Flight:                      520 TAKEOFF                                           
   Aircraft Make/Model:                  SOCATA TB-9-XXX                 
   Operator Doing Business As:                                         
   Operator Name:                                                      
   Operator Code:                            
   Operator:                                                                       
   Owner Name:                           UNIVERSITY OF NORTH DAKOTA    

Narrative

THE STUDENT PILOT REPORTED THAT HE LOST DIRECTIONAL CONTROL OF THE 
   AIRPLANE DURING AN ABORTED TOUCH AND GO ATTEMPT. THE DIRECTIONAL 
   CONTROL PROBLEM WAS COMPOUNDED WHEN THE THROTTLE KNOB CAME OFF OF THE 
   THROTTLE CONTROL AS THE STUDENT ATTEMPTED TO REDUCE ENGINE POWER.

Sequence of Events

Occurrence #: 1  260 LOSS OF CONTROL - ON GROUND/WATER
   Phase of Operation: 523 TAKEOFF - ABORTED

           Findings
           Subject - Modifier - Personnel Cause/Factor

   1b.   24539(S) - 3127(M) - 4000(P)  Cause
         DIRECTIONAL CONTROL - NOT MAINTAINED - PILOT IN COMMAND

   Occurrence #: 2  130 AIRFRAME/COMPONENT/SYSTEM FAILURE/MALFUNCTION
   Phase of Operation: 523 TAKEOFF - ABORTED

           Findings
           Subject - Modifier - Personnel Cause/Factor

   1a.   16000(S) - 1185(M)  Factor
         THROTTLE/POWER LEVER - STRIPPED THREAD

   Occurrence #: 3  192 NOSE GEAR COLLAPSED
   Phase of Operation: 523 TAKEOFF - ABORTED

           Findings
           Subject - Modifier - Personnel Cause/Factor

   1a.   10405(S) - 1171(M)
         LANDING GEAR, NOSE GEAR - OVERLOAD

Probable Cause

THE STUDENT PILOT'S FAILURE TO MAINTAIN DIRECTIONAL CONTROL DURING AN 
   ABORTED TAKEOFF ATTEMPT.  A FACTOR WAS THE STRIPPED THROTTLE KNOB THREADS.

Aircraft Information

Number of Seats:                      4  
   Aircraft Use:                         INSTRUCTIONAL      
   Type of Operation:                    14 CFR 91 
   Domestic/International:                            
   Passenger/Cargo:                                        
   Registration Number:                  152ND 
   Air Carrier Operating Certificates:   
   Aircraft Fire:                        NONE

                  Injuries
          Fatal  Serious  Minor  None
   Crew      0       0       0      1
   Pass      0       0       0      0
   Other     0       0       0      0
   Invlvd    0       0       0      1

   Landing Gear:                         TRICYCLE-FIXED
   Certificated Maximum Gross Weight:    1500
   Engine Make:                          LYCOMING     
   Engine Model:                         O-320-D2A    
   Number of Engines:                    1 
   Engine Type:                          RECIPROCATING-CARBURETOR    

Environment/Operations Information

Basic Weather Conditions:             VISUAL METEOROLOGICAL CONDITIONS (VMC)  
   Wind Direction (deg):                 90
   Wind Speed (knots):                   4
   Visibility (sm):                      10
   Visibility RVR (ft):                  0
   Visibility RVV (sm):                  0
   Cloud Height Above Ground Level (ft): 0
   Visibility Restrictions:              NONE
   Precipitation Type:                   NONE
   Light Condition:                      DAYLIGHT
   Departure Airport Id:                 HSV 
   Departure City:                       HUNTSVILLE
   Departure State:                      AL
   Destination Airport Id:                   
   Destination City:                     
   Destination State:                      
   Flight Plan Filed:                    NONE
   ATC Clearance:                        NONE
   VFR Approach/Landing:                 TOUCH AND GO
   Event Location:                       ON AIRPORT

Pilot-in-Command

Certificates:                         STUDENT
   Ratings:
     Plane:                              NONE
     Non-Plane:                          NONE
     Instrument:                         NONE
   Had Current BFR:                      NO
   Months Since Last BFR:                0  
   Medical Certificate:                  CLASS 3
   Medical Certificate Validity:         VALID MEDICAL-WITH WAIVERS/LIMITATIONS

              Flight Time (Hours)
   Total       :     32  Last 24 Hrs :    1
   Make/Model  :     32  Last 30 Days:   20
   Instrument  :      0  Last 90 Days:   32
   Multi-Engine:      0  Rotorcraft  :    0